Answer:
1. Allele
2. Dominant
3. Genotype
4. Heterozygous
5. Homozygous
6. Hybrid
Explanation:
Allele can be defined as a variation of a gene. A gene for a particular trait can come in different forms, depending on what was inherited from the parents. For example, freckles is a trait that can be inherited from a parent. One parent who has freckles and another without can still have children with or without freckles.
Dominant allele typically masks the recessive allele. This means that whatever the trait the dominant allele expresses, will show up physically, even when an organism possesses a recessive allele.
The genotype of an organism shows the genes. It is represented by letters. A capital letter usually represents the dominant trait, while a lower case latter represents the recessive trait. For example, F represents Freckles, while f represents no freckles. Freckles is the dominant trait while no freckles is the recessive trait.
When the genes or not identical, using the example above, Ff, this means that the organism is HETEROZYGOUS for the trait. In cases like this, the dominant trait is usually expressed. So in this organism with Ff, freckles will be expressed.
On the other hand when the genes are homozygous, it means that they have two alleles present for that specific trait. Again, using the example earlier:
FF = Freckles
ff = no freckles
Notice that the genotype shows the same allele for the specific trait.
When a cross between parents that has different phenotypes of a specific traits occurs, they create a hybrid. For example, FF x ff
If we cross this, the offsprings will have a genotype of Ff. Notice that the offspring genotype are not similar to the ones of the parents.
what is holocrine gland?
Answer:
A gland whose secretion consists of its own disintegrated secretory cells along with its secretory product. I think this is what a holocrine gland is im not entiery sure
Explanation:
A holocrine gland is a type of exocrine gland that secretes products by rupturing the secreting cell, with sebaceous glands being a common example. Holocrine secretion involves the death of the mature cell, which releases secretory products along with cell remnants, and is succeeded by new cell differentiation from surrounding tissue.
Explanation:What is a Holocrine Gland?
A holocrine gland is a type of exocrine gland that releases its product by rupturing and destroying the entire gland cell. The mature cell accumulates secretory products and, upon bursting, releases these products along with the remnants of the dead cell. This process is known as holocrine secretion. One of the most common examples of holocrine glands in the human body is the sebaceous glands, which secrete oils that lubricate and protect the skin and hair. After the gland cells release their contents and are destroyed, new cells differentiate from the surrounding tissue to replace them, ensuring continuous function.
Other types of glandular secretion include merocrine secretion, where cells secrete their products without damage, and apocrine secretion, where the top part of the cell (apex) is released with the secretion. Holocrine glands, such as the sebaceous glands, are distinct because they result in the death of the secreting cells. The process of holocrine secretion is highly effective for the continuous supply of oils essential for skin and hair health.
Which of the fallowing structures is built to protect boats from large breaking waves?
Jetty
Groin
Breakwater
Seawall
Breakwater is built to protect boats from large breaking waves.
Why do you think adding clothes process lowers body temperature?
Answer:
Because the surrounding doesn't go exactly go into the body.
It has to go through the clothes first
Final answer:
Clothing lowers body temperature by reducing heat transfer due to its insulating properties, slowing down both conduction and convection. Clothing also has a lower emissivity, meaning it radiates less heat than skin.
Explanation:
Adding clothing helps to lower body temperature by reducing heat transfer to the environment. This occurs because clothes act as insulators that slow down both conduction and convection. Conduction is when heat is transferred through materials, while convection is the transfer of heat by the movement of fluids, like air. Wearing clothing, particularly thicker or numerous layers, creates an insulating barrier that traps heat close to the body, preventing it from being easily transferred to the cooler surrounding air.
Clothing also exhibits a lower emissivity than skin, particularly if it's light-colored, which means that it doesn't radiate as much heat as bare skin would. This is significant because air convection naturally removes heat from our body, and by wearing clothing, we lessen the rate of heat lost through these mechanisms. Proper clothing allows for body temperature regulation, ensuring that our body remains at a comfortable and healthy temperature by balancing between the heat produced by metabolic activity and the heat lost to the environment.
Which structures are listed in order from the least complex to the most complex
Answer:
chloroplast, plant cell, leaf, rose bush
Structures of biological organisms can be ranked by complexity as follows: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and the biosphere.
Explanation:The structures of the human body, and by extension all biological organisms, are usually classified in a hierarchy of complexity. This hierarchy extends from the smallest and least complex structures to the largest and most complex. In order, these structures are:
Subatomic particles: the smallest recognized division of matter, such as protons, neutrons, and electrons.Atoms: composed of subatomic particles and represent the smallest units of a chemical element.Molecules: made up of two or more atoms joined together chemically.Organelles: structures within cells that perform specific functions.Cells: the smallest unit of life, composed of organelles surrounded by a membrane.Tissues: groups of similar cells that perform a specific function.Organs: composed of different types of tissues that work together to perform a particular function.Organ systems: groups of organs that work together to perform complex functions. Organisms: individual living entities, like a human or a tree.Biosphere: the part of the earth where life exists; it includes all organisms and the environments in which they live and interact.Learn more about Organizational Complexity of Biological Structureshttps://brainly.com/question/12701370
SPJ3
which protein complex absorbs energy that is used to produce
Answer:
The answer for the question above is the photosystem I
Photosystem I is the second photosystem in the photosynthetic light reactions of algae, plants and some bacteria. It is an integral membrane protein complex that uses light energy to produce the high energy carriers ATP and NADPH.
Which of these indicates equilibrium in the community? A. seral B. pioneer C. ultimate D. intermediate E. climax
Answer:
E. climax
Explanation:
The point of equilibrium in a community is not the most common thing in nature, in fact it is a relatively rare one, though there are enough examples that have shown how this is achieved and how it works. In essence, the point of equilibrium is when there's a small number of species that are dominant and prominent, and they manage to create a stable ecosystem. The point of equilibrium in a community is also known as a climax community. A community of this type appears when the web of biotic interactions between the organisms becomes so intricate that there's simply no place for another species to be admitted in it.
explain the phases of the moon. what are the periods of rotation and revolution?
The Moon is the natural satellite of Earth. Its revolution lasts 27.322 days, while its rotation around its axis lasts 27 days. From the Earth's perspective, the Moon seems to have different phases, where it appears as fully lighted, partially lighted, or totally dark. What the Moon appears to be from the Earth depends on how the Earth, Moon, and Sun are aligned in relation to each other. If the Earth is between the Sun and the Moon, the Moon is full, with the reason being that the Sun is lighting up the side that is facing the Earth. If the Moon is between the Earth and Sun, then the Moon can not be seen, it is totally dark, and that is because the side that is facing the Earth is not lighted by the Sun at all. If the Moon is positioned sideways, not being in a straight line with the Earth and Sun, then it appears to be partially lighted, and that is the side that can be seen from Earth that is lighted by the Sun.
Whole milk contains calcium and vitamin D to support healthy bones, but food producers cannot make a
claim about calcium and a reduced risk of osteoporosis on the label of whole milk because of the high fat content.
Answer:
Although milk has been highly recommended for years to provide the calcium that bones need and thus avoid osteoporosis, the truth is that the quality of the milk that is currently consumed is very low, since the consumer can obtain discounted products with water or by-products that impersonate milk (such as whey), so the amount of calcium it currently provides is very low, to this must be added the fact that milk, even if it is of high quality, does contain fat, the latter inside the body forms together with calcium insoluble salts which the body is unable to assimilate, must be eliminated by the excrement or urine, further reducing the absorption of this element.
Explanation:
Currently, milk is not a recommended product to acquire the calcium that bones require, many nutritionists today prefer to recommend supplements or nuts, which are easier to absorb by organisms (unless they are allergic to any of these ), since it is recognized that, in addition to everything mentioned in the response, many people today are lactose intolerant, which is why consuming it can cause intestinal problems.
How can you tell the relative ages of rocks
Answer:
In horizontal rock layers, the oldest layer is at the bottom. Each higher layer is younger than the layers below it.
Explanation:
Answer:
Its difficult to determine the absolute age so geologists use method to find a rock's relative age. Use the: LAW OF SUPERPOSITION: in horizontal sedimentary rock layers, the oldest layer is at the bottom. Each higher layer is younger than the layers below it.
Explanation:
(Rockaway Middle School)(Relative Ages Of Rocks)
Organisms that are the first to move into an area and begin forming soil for an ecosystem are known as A. pioneer species B. hardwood trees C. climax community D. bushes
Answer: Pioneer Species
Explanation: Because they are part of a hardy species that whom are the first to move to a previously bio diverse steady ecosystem.
Pioneer Species Because they are part of a hardy species that whom are the first to move to a previously bio diverse steady ecosystem.
What are Pioneer species?Pioneer species are the initial species of organisms such as lichens and moss.
These species appears in disturbed land where they break the rocks and at that time of their introduction to the area, there is enough amount of nutrition for their growth and survival.
Thus, option "A" is correct, Because they are part of a hardy species that whom are the first to move to a previously bio diverse steady ecosystem.
To learn more about pioneer species click here:
https://brainly.com/question/15164154
#SPJ2
Why are some people shy? I will mark Brainless
There can actually be multiple reasons.
People can be shy due to their life experiences. For example, a person who was once into rollercoasters, might have gotten into an accident in one. So that person would definitely be nervous to try it again.
There is also a fear factor involved.
When you are trying something new for the first time, your brain will immediately try to stay away from it. Its Kind of like an alarm in your head going DANGER DANGER! I DON'T KNOW WHAT THAT IS!
This is the same case with meeting new people. If a person meets a new person, most people won't talk much to them. But after talking to them and getting to know who they are, your brain feels less "scared" and you are not shy anymore.
Hello there!
This is a great question to be asking. Luckily, I have some information to tell you out so you can understand why people feel shy.
So when a person feels shy, their brain is interpreting a certain situation as a threat so say a person was talking up on a stage in front of others, their brain interprets talking no in front of a whole group of people as a threat. Usually people who are shy try to avoid any situations they can in front of a huge crowd or try to avoid eye contact. Also around 22% of people that are shy isn’t because their parents were.
I hope this helped you understand a little bit more.
Have a great day.
How does non-human life in an urban ecosystem differ from non-human life in an undeveloped forest ecosystem?
Answer:
Urban ecosystem has its own niche compared to nonhuman life. as humans we have adapted to our new technologies and inventions that animals and plants don't have.
Explanation:
Non-human life in urban ecosystems differs from non-human life in undeveloped forest ecosystems in terms of reduced biodiversity, presence of species adapted to urban environments, and limited access to natural resources.
Explanation:Non-human life in an urban ecosystem differs from non-human life in an undeveloped forest ecosystem in several ways. First, urban ecosystems are heavily influenced by human activities and infrastructure, such as buildings, roads, and pollution. This can lead to a reduction in biodiversity and the loss of natural habitats for many species. In contrast, undeveloped forest ecosystems have a higher biodiversity and provide more suitable habitats for a wider range of species. Second, urban ecosystems often have a higher density of non-human life that is adapted to urban environments, such as pigeons, rats, and insects. These species have successfully adapted to living in close proximity to humans and taking advantage of the resources available in urban areas. In undeveloped forest ecosystems, the non-human life is typically more diverse and includes a wider range of species adapted to the natural environment, such as birds, mammals, and insects. Lastly, urban ecosystems often have less natural resources and limited access to food and water sources, which can impact the survival and distribution of non-human life. Undeveloped forest ecosystems, on the other hand, typically have abundant natural resources, including food and water sources, which support a larger and more diverse array of non-human life.
Learn more about Non-human life in urban vs. forest ecosystems here:https://brainly.com/question/1952924
#SPJ12
Charles Darwins observation adventures of different species on the Galapagos islands have many similar physical characteristics supports the hypothesis hypothesis that these finches
Answer:
share the same ancestors
Explanation:
Charles Darwin noticed at the Galapagos Islands that the finches, despite obviously having unique traits that classified them as separate species, they actually had many things in common as well, much more than differences. His hypothesis was that all of the different finches on these islands actually have the same ancestors in a small group of finches that migrated to the islands. As the birds started to occupy different niches, they started to specialize, which was mostly manifested in their beaks, as the specialization was mostly in accordance to what they ate, thus gradually giving rise to several different species.
Darwin's study of Galapagos finches supported the idea of adaptive radiation, where one species evolves into many to fill various ecological niches, exemplifying natural selection.
Explanation:Charles Darwin's observation of finches on the Galapagos Islands led to the hypothesis that the variations in beak size and shape were indicative of adaptive radiation. This concept suggests that the finches originated from a single ancestral species and diversified into multiple species, each with adaptations specific to their environment, such as beak structure tailored to different food sources. For instance, some finches evolved strong, thick beaks to crack seeds, while others developed slender, sharp beaks suited for catching insects. Darwin's work provided crucial evidence for his theory of evolution by natural selection.
Mutations are avoided during replication because DNA polymerase is able to __________ A) repair itself B) repair the DNA C) encode a message D) add more codes. Please help
Mutations are avoided during replication because DNA polymerase is able to add more codes.
water that has evaporated returns to the earth as?
Answer:
Precipitation
Explanation:
When water evaporates, it forms clouds. Evaporation is when the sun makes bodies of water turn into clouds. I believe that is called condensation. Then when it rains,snows, hails or something like that, it is called precipitation.
answer : precipitation
These clouds may produce precipitation, which is the primary route for water to return to the Earth's surface within the water cycle.
what are sporophytes and gametophytes
A. Two different forms a plant can have
B. Two different kingdoms in the domain Eukarya
C. Two different kinds of seeds
D. Two different types of vascular systems
A: Two different forms a plant can have
What are the assumptions for the Hardy-Weinberg equation? What does it mean when a population is in Hardy-Weinberg equilibrium?
Answer:
the Hardy-Weinberg assumptions are: no mutation, random mating, no gene flow, infinite population size, and no selection.
When a population is in Hardy-Weinberg equilibrium? Evolution will not occur
***The Hardy-Weinberg equilibrium can be disturbed by a number of forces, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow***
Explanation:
In biology, the Hardy-Weinberg principle assumes a large population size, isolated gene pool, random mating, no mutations or natural selection, with genotype and allele frequencies remaining constant at equilibrium. Allele frequencies are used to calculate genotype frequencies; for instance, if the frequency of homozygous recessive (aa) is 0.04, the frequency of the recessive allele (q) is 0.2 and of the dominant allele (p) is 0.8, leading to a heterozygote (Aa) frequency of 0.32.
Assumptions for the Hardy-Weinberg Equation
The Hardy-Weinberg principle is grounded in several key assumptions to predict the genetic variation within a population. First, the population must be large to minimize random genetic drift. Second, there should be no gene flow, meaning the population is effectively isolated with no migration in or out. Furthermore, mating must be random to ensure all alleles are equally likely to be passed on to the next generation. Additionally, mutations should not occur so that allele frequencies remain constant. Finally, there should be no natural selection, which implies that all individuals contribute equally to the gene pool.
Hardy-Weinberg Equilibrium
When a population is in Hardy-Weinberg equilibrium, the allele and genotype frequencies remain constant from one generation to the next, in the absence of evolutionary pressures. A population in equilibrium must meet the assumptions discussed above. In practice, it's unlikely for natural populations to remain in equilibrium due to factors like genetic mutations, natural selection, and non-random mating patterns.
Allele and Genotype Frequencies
An allele is a variant form of a gene. Genetic equilibrium suggests that the frequency of alleles in a population's gene pool remains constant over time in the absence of evolutionary forces. The genotype frequencies, which are expressions of allele combinations such as AA, Aa, and aa in a population, can be projected based on allele frequencies (p for dominant allele A and q for recessive allele a) if Hardy-Weinberg conditions are met.
Example Calculation
If we assume that the frequency of the homozygous recessive genotype (aa) is 0.04 (4%), we can find the square root of this frequency to determine q, which is the frequency of allele a. Thus, q equals 0.2. Because p + q = 1, we find that p, the frequency of allele A, equals 0.8. To calculate the frequency of the heterozygous genotype (Aa), we use the equation 2pq, which equals 2(0.8)(0.2) or 0.32 (32%).
Which is an axial bone
Answer:
The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.
Axial skeleton is made up of the 80 bones within the central core of body.
This includes bones in skull (cranial and facial bones), Ears, neck, back (vertebrae, sacrum and tailbone)Ribcage (sternum and ribs).What is a bone?Bone is living tissue that makes up the body's skeleton.
There are 3 types of bone tissue, including the following:
Compact tissue. The harder, outer tissue of bones. Cancellous tissue.What is a tissue?Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material called the intercellular matrix, fills the spaces between the cells.This may be abundant in some tissues and minimal in others.
To know more about bone here
https://brainly.com/question/18916343
#SPJ2
what does the roots and the stem do differently?
Stem
1. Grows upward show negative gravitrotropism
2. Stems don't absorb water and nutrients
3.Stems have trichomes
Roots
1 show positive gravitrotropism
2 absorb water and Minerals
3 bears root hairs
Roots are the underground part of the plant, and the main function is the absorption of water and minerals from the soil, conduction, storage of reserve foods and mainly in the anchorage of the plant. The chief distinction from the stems is the lacking of buds and leaf scars, but have root cap and branches that originate from internal tissues than from buds. And Stems are the part of the plant, that possesses buds, leaves and roots at its basal ends. The primary function of the stem supports the leaves and to transport minerals and water to the leaves, where it proceeded to convert into useful products by the process of photosynthesis, and then further these are transported to other parts of the plants including roots.
Which phrase best describes a community?
i dont now but i think its c
Answer:
all populations of organisms in an living area
Explanation:
it makes more sense than the other 3 ;/
Methane is a(n) gas. Excess of methane in the atmosphere will lead to .
Answer:
Increased greenhouse effect
Explanation:
The methane is a gas that falls in the category of ''greenhouse gases''. It is actually the most effective ''greenhouse gas'', much more effective than the CO2, though it has to be mentioned that that is on the short run. Basically, the methane has a property that enables it to trap the heat into the atmosphere. When the heat is reflected from the surface of the Earth it moves back toward the space, but the methane manages to trap big portion of that heat, resulting in an increased greenhouse effect across the globe.
Compare and contrast open, closed, and isolated systems. Be sure to discuss the exchange of energy and exchange of matter, and provide at least one example of each.
Answer:
It can exchange both matter and energy, exchange energy but not matter, Isolated systems can exchange neither energy nor matter
Open, closed, and isolated systems refer to how matter and energy are exchanged with surroundings. Open systems allow both matter and energy exchange, illustrated by a pot of boiling water. Closed systems allow energy but disallow matter transfer, like a sealed soda bottle, while isolated systems, purely theoretical, would allow neither.
Explanation:An open system allows the exchange of both energy and matter with its surroundings. An example would be a pot of water on a stovetop, where heat (energy) can be lost to the air, and water can evaporate (matter) into the surrounding environment.
A closed system permits energy exchange but not matter. An example would be a bottle of soda with its cap on. Energy can be exchanged with the surroundings (the soda can be cooled or heated), but the matter (carbon dioxide in the soda) can't escape.
An isolated system allows neither the exchange of energy nor matter with its surroundings. An ideal example, although it doesn't exist in reality, would be a perfectly insulated box in which no energy or matter can enter or exit.
Learn more about Systems (Open, Closed, and Isolated) here:https://brainly.com/question/2846657
#SPJ3
Jillian has a condition called agenesis of the uterus a woman with this condition is born without a uterus what type of infertility treatment will suit Jillian
Answer:
I use edmentum also and i can confirm it is A
Explanation:
What are two of the products of the Krebs cycle
Answer:
What are two of the products of the Krebs cycle
the 2 molecules of pyruvic acid are broken down into carbon dioxide and during that process NADH and FADH2 molecules are made
NADH and FADH2 are the two products of the krebs cycle.
~batman wife dun dun dun....
Answer:
Krebs's cycle or citric acid cycle is a metabolic pathway in which substrate is broken down into a final product to yield energy. The two products of Kreb's cycle are NADH and [tex]\bold {\text{FADH}_{2}}[/tex]
Explanation:
Kreb's cycle is also known as the tricarboxylic acid pathway, TCA, which releases the stored energy by the oxidation of acetyl coenzyme A. The cycle takes place in the matrix of mitochondria. The acid yields NADH and [tex]\bold {\text{FADH}_{2}}[/tex] , which are high-energy molecules used in the electron transport chain. NADH stands for nicotinamide adenine dinucleotide and hydrogen, whereas [tex]\bold {\text{FADH}_{2}}[/tex] stands for flavin adenine dinucleotide.
Therefore, the two products of Kreb's cycle are NADH and [tex]\text {FADH}_{2}[/tex].
For Further Reference:
https://brainly.com/question/15749215?referrer=searchResults
What is the role of RNA polymerase in transcription?
Answer: synthesize RNA by following a strand of DNA. RNA polymerase is an enzyme that is responsible for copying a DNA sequence into RNA sequence, during the process of transcription
Explanation:
Answer: B-It binds to the promoter region of a gene and terminates the process of transcription.
Explanation:
what is a disadvantage of adult stem cells over embryonic stem cells? a) they are difficult to grow in large numbers b) they are difficult to locate since there are so few of them c) they can differentiate into a limited number of cell types d) all of the above are potential disadvantage for the use of adult stem cells
D) all of the above are potential disadvantage for the use of adult stem cells.
I hope this helps you. ☺
The disadvantages for the use of adult stem cells over embryonic stem cells are D. All of the above
Adult stem cells are multipotent undifferentiated cells that divide to replenish old cells and regenerate damaged tissues.
Embryonic stem cells are pluripotent stem cells, i.e., they are able to produce any cell in the human body, which are derived from the inner cell mass of the blastocyst.
Adult stem cells have the potential to renew themselves and differentiate in order to generate specialized cell types (e.g., skin cells); however, their potential to produce other types of cells in comparison to embryonic stem cells is limited.
Adult stem cells are generally difficult to locate (and also obtain). Embryonic stem cells are easier to locate because they can be found in the inner cell mass of the blastocyst.
Finally, different experiments have also demonstrated that adult stem cells are difficult to grow into a particular type of cell.
Learn more in:
https://brainly.com/question/8951249?referrer=searchResults
a scientist studies a species of duck. the male and female are about the same size. the females are brown, and the males are a bright mix of blue, white, and green. what can the scientist conclude about these ducks?
A. the females compete for mates.
B. the males choose mates.
C. the males compete to fertilize.
D. the females choose mates.
-apex
Answer:
Option D, the females choose mates
Explanation:
This is a common way to fertilize in animals where male put in efforts to allow the female to choose their partners. Here, in this case the male ducks are of different bright colors thus they would compete among themselves to attract the female ducks for mating. Therefore, a female duck gets the opportunity to choose the best partner for itself. This is a way of natural selection to fertilize.
Hence, option D is correct.
Answer:
d
Explanation:
Which of the following shows how energy is transferred from organism to organism? (2 points) Food webs Food chains Food trails Food squares
Answer:
Food webs and food chains.
A food web describes the flow of energy and nutrients through an ecosystem, while a food chain is a linear path through a food web
Which of the following is responsible for about half of the heat generated by Earth's core?
A. Sunlight
B. Residual heat from Earth's formation
C. Frictional heating
D. Radioactive decay of elements
half of the heat produced by the Earth's core is:
D. The decay of radioactive elements
Further Explanation
Geothermal energy is heat energy that is contained and formed in the bowels of the earth. geothermal energy comes from technological activities that exist in the earth that have occurred since the earth was created. Besides, geothermal heat also comes from sunlight that is absorbed by the earth's surface. In addition to the heat sources mentioned earlier, geothermal is thought to originate from the following phenomena:
- the decay of radioactive elements below the earth's surface.
- electromagnetic effects that are influenced by magnetic fields that exist on earth.
- the heat released by heavy metals due to sinking into the center of the earth.
Learn More
Geothermal https://brainly.com/question/8093605
Earth's heat generated https://brainly.com/question/13844667
Details
Grade: Middle School
Subject: Biology
keyword: geothermal, heat produced by the earth
Answer:
D. Radioactive decay of elements
Explanation:
Which system moves the body? integumentary endocrine digestive muscular
Answer:
muscular system helps move the body
Explanation:
Answer:
Muscular system
Explanation:
The muscular system is made of three types of muscles namely, smooth muscles, cardiac muscle, and skeletal muscles. Muscles are also attached to bones. Contraction of muscles leads to movement of the body. The main function of the integumentary system is to cover and protect the body. The digestive system is involved in ingestion of food, its breakdown into simpler elements and their absorption. The endocrine system maintains homeostasis by secretion of hormones.