Answer:
Chloroplasts
Explanation:
Chloroplasts are found in cells of leaves and green parts of the stem. They contain green pigment called chlorophyll which makes photosynthetic cells to appear green. They are sites of photosynthesis. Chlorophyll traps light energy from the sun. The energy is used to drive the manufacture of sugars from carbon dioxide and water, a process called photosynthesis.
What is in error in dna called
Errors in DNA are called mutations.
59:44
Which property of soil depends on the size of particles?
O color
O odor
O temperature
O texture
Mark this and return
Next
Submit
Answer:
The answer is O. Texture
Explanation:
Answer:
the answer is d texture
Explanation:
Most grasses of the prairies
are bunchgrasses
grow in clumps
grow in tufts
are sod-forming grasses
Answer:
are bunchgrasses
Explanation:
Water is made of two hydrogen atoms and one oxygen atom bonded together. Julia is describing how water undergoes a
physical change when it boils. She says that the particles shift to be farther apart and that the oxygen and hydrogen
separate. She also says that the total mass of the steam is the same as the initial water, and that heat energy was required
to cause the change. She finishes her description by saying that the steam can be turned back into water if it is cooled.
Which is the mistake in her description?
A>The total mass remains the same in physical changes.
B>The arrangement of particles may change in physical changes.
C>Atoms remain bonded to each other in physical changes.
D>Energy changes may occur in physical changes.
B
Julia made a mistake in her description that the arrangement of particles may change in physical changes.The arrangement of particles may change in physical changes.
Explanation:
Change of phases in a substance is a physical change. The chemical elements of the substance do not change, only their arrangement or form.
Therefore when water changes phase from liquid to water vapor, the water molecules chemical structure do not change. This can only occur by chemical changes, not physical changes. The water molecules merely get farther apart from each other due to the increased kinetic energy they acquired from the heating.
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The mistake in Julia's description is her statement that the hydrogen and oxygen atoms separate during boiling. In fact, atoms in a molecule stay bonded together in physical changes. The correct option is C.
Explanation:The mistake in Julia's description of water undergoing a physical change when it boils is her claim that the oxygen and hydrogen atoms separate. This statement is incorrect as the atoms within a molecule do not break apart during a physical change, such as the change from liquid water to steam.
In a physical change, the particles of a substance may move further apart, and the substance may absorb or release energy, but the molecules themselves do not break up. Therefore, the hydrogen and oxygen atoms in a water molecule stay bonded together whether the water is in liquid, solid, or gaseous state. This is reflective of choice C: Atoms remain bonded to each other in physical changes.
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The cell theory applies to___________
1
multicellular organisms.
2
all answers are correct.
3
bacteria.
4
plants and animals.
The cell theory applies to multicellular organisms, bacteria and plants and animals.
The cell theory:Cell theory is a theory that says all living organisms are made up of cells, cell is the basic structural,functional unit of all living organisms and every cell come from pre-existing cell. The cell is basic unit of reproduction also.
Viruses are not true cells. They lack the some important part of the cell i.e the protoplasm and hence the cell theory is only not applicable to viruses.
therefore, The cell theory applies to all answer are correct (option 2) is the correct answer.
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The cell theory applies to multicellular organisms, bacteria, plants and animals.
What is cell theory?Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
Matthias Schleiden, a German botanist, and Theodor Schwann, a British Zoologist formulated the cell theory in the mid-nineteenth century.
Knowing that all living things are made up of cells allows us to understand how organisms are created, grow, and die.
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Which of the following happens when a company goes public?
O
A. It gets taken over by the federal government
O
B. It starts offering its products for sale in the free market
O
C. It issues bonds that can be bought by anyone
O
D. It begins selling shares of stock in a public stock market
SUBMIT
Answer:
The company can increase its capital without going into debt.
Explanation:
Structures that are similar in structure but different in function
Answer:
Some organisms have anatomical structures that are very similar in embryological development and form, but very different in function. These are called homologous structures. Since these structures are so similar, they indicate an evolutionary relationship and a common ancestor of the species that possess them
Explanation:
What is a scientific theory?
A.
a reasonable guess based on instinct
B. an imaginative idea explaining natural phenomena
C. a broad, evidence-based explanation for a phenomenon
OD.
a tentative statement with little or no predictive power
Answer:
C. a broad, evidence-based explanation for a phenomenon
true or false?? it’s in the picture. i hope it’s easy to read
The statement that All organism that are internal fertilizers develop theri offerings internally is true
What organisms fertilize internally?
When a female organism undergoes internal fertilization, the procedure takes place inside her body. Mammals, reptiles, birds, and certain fish species all exhibit this frequently. The male gametes, or sperm, are placed inside the female reproductive canal during internal fertilization, where they join the female gametes, or eggs, to complete the fertilization process.
Internal fertilization occurs in species like humans, where the embryo grows inside the body of the female until it is ready to be birthed. In contrast, fertilization happens outside the body when using external nutrients, usually in water for aquatic organisms.
Most bony fish, numerous reptiles, some cartilaginous fish, the majority of amphibians, two mammals, and all birds exhibit this. Insects and reptiles lay leathery eggs, whereas birds and turtles lay eggs with
What is the Taxonomic System and why is it important? plz answer for 50 pts
Answer:
Taxonomic system of classification can be described as the method of classification on the basis of which organisms are classified into more and more inclusive groups. The taxonomic system of classification was devised by Carolus Linnaeus.
This system of classification is important because organisms can be grouped on the basis of their similarities. The organisms which are more closely related in terms of structure and function are more closely related to one another. Hence, it helps to group organisms on the basis of their similarities. It helps scientists to organize the diversity of life.
Disorder treated by restricting milk
Galactosemia is a disorder that is treated by restricting milk.
Explanation:
The lactose sugar present in the milk is made up of simpler subunit galactose and glucose. In some individuals, the enzyme galactase-1-phosphate uridyl transferase is not present or not working properly. This enzyme is required to convert galactose into glucose. As a result of this dysfunctional enzyme large amount of galactose is present in the blood. In such cases, milk is avoided.
What does a surface area/volume ratio of 6:1 mean for the cell’s ability to get the materials it needs that move across its surface?
Plz help) I'm offering 50 points and the brainliest
Answer and Explanation:
In a cell, the smaller the surface area in relation to its volume, the lower the rate of diffusion. The ratio of surface area to volume of an object decreases sharply with increase in its size. The materials move across the cell rapidly because the cell has a larger surface area to volume ratio thus the rate of diffusion of materials is high.
Blank is not the only factor in determining the characteristics of an Organism Environment is also a major factor
Answer:
Genes is not the only factor in determining the characteristics of an organism environment is also a major factor.
Explanation:
The organisms having the traits which are very favorable or suited in an environment have greater probability of surviving and reproducing at the higher rate than any organism which are less suited to that environment.When an organism start developing from one stage to another, the interaction of genes with the environment initiates at every moment of its life.The interaction of genes and environment determines the characteristics of that organism.Final answer:
The characteristics of an organism are influenced by both genetic and environmental factors, with abiotic and biotic components playing significant roles. Phenotypic expression can be affected by the environment, and changes in environmental conditions can lead to adaptations in organisms.
Explanation:
The environment plays a significant role in determining the characteristics of an organism, alongside genetic factors. In biology, this interplay between genetics and the environment is vital for understanding organismal traits and behaviors. Two main environmental factor categories influence organisms:
Abiotic factors: Non-living components such as sunlight, climate, soil, water, and air.
Biotic factors: Living components or those that were once living, like plants, animals, microorganisms, and their remains.
Organisms are not isolated entities; they are part of complex systems that require interaction with their surroundings to survive and thrive. The environment can affect phenotypic expression, such as in cases where sun exposure influences skin color, or temperature-dependent sex determination (TSD) can dictate the gender in some reptiles. Changes in the environment, including climate shifts or the introduction of new species, can have substantive effects on an organism's ability to maintain its population and can lead to adaptations that are essential for survival in changing conditions.
Meiosis results in _____.
4 haploid daughter cells
2 haploid daughter cells
4 diploid daughter cells
2 diploid daughter cells
Meiosis results in 4 haploid cells.
Explanation:
Meiosis undergoes two cycles namely: meiosis 1 and meiosis 2
Meiosis occurs in germ or sex cells in which four haploid daughter cells are formed each having one of a chromosome pair that exists in diploid cells.
Meiosis results in 4 haploid daughter cells.
Meiosis results in 4 haploid daughter cells. During meiosis, a diploid cell undergoes two rounds of cell division to produce four haploid cells, each with half the number of chromosomes as the parent cell.
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There are many factors that influence the number of different kinds of plants in a biome. Why is elevation, or height, a factor that influences what kinds of plants can live in any certain biome on Earth?
Answer:
A: The elevation helps to determine the temperature of the biome.
Explanation:
what is the general name for a liquid that is used to make cell structures under a microscope easier to see
Is it a stain???? Cause I don’t know
Please hellppp!!! Quick! X
Answer:
Cytoplasm is the answer.
Explanation:
An octopus reproduces only once in its life, but it may have more than 100,000 offspring, depending on the species. Certain species of penguin, by contrast, have only one chick at a time. If some species can reproduce as rapidly as the octopus (100,000 offspring every 3 or 4 years), how is it possible that a species that has only one young at a time is equally successful?
A.
Having a large number of offspring assures that at least some of them will escape being killed by predators.
B.
An octopus only reproduces one time, but penguins may reproduce between 4 and 12 times in their lives.
C.
The success of a species depends on the number of offspring that survive long enough to reproduce.
D.
Baby penguins are left to fend for themselves from the time they hatch, so they quickly become self-sufficient.
Answer:
The correct option is C) The success of a species depends on the number of offspring that survive long enough to reproduce.
Explanation:
Some species of animals such as the octopus might give rise to many offspring, but these offspring might not survive due to different reasons. Only a few of them will be able to survive until the age where they can reproduce.
On the other hand, the survival rate of offspring which are formed in lesser numbers is more. These offspring are taken care of by their parents usually or are better adapted to live in the environment. Hence, their survival rate is more.
Answer:
The success of a species depends on the number of offspring that survive long enough to reproduce
A scientist wrote a paper titled “Directional Selection in Action” after observing a population of mice for 15 years. The mice typically preferred to eat berries, although a few would also eat insects. After a drought in year 3, the scientist observed that more mice were eating insects. By year 10, most of the mice in the population ate insects in addition to berries. Which best describes her article?
Her title is accurate because two opposite extremes are favored.
Her title is accurate because one extreme is favored.
She should change her title because she is observing stabilizing selection.
She should change her title because selection cannot be observed.
Answer:
The correct option is B) Her title is accurate because one extreme is favored.
Explanation:
In ecological studies, directional selection can be described as a selection due to which an extreme phenotype is favoured by natural selection and evolution causes the change in allele frequencies in favour of the extreme phenotype.
In the condition described in the question, the phenotype for eating insects was the extreme phenotype which was favoured by natural selection. The allele frequency for this extreme phenotype became abundant due to evolution. Hence, option B is correct.
Answer:
b, on ed2020
What is included in the nervous system?
a) Heart
b) Skin
c) Brain
d) Lungs
Lungs and skin
Answer:
The answer is C) Brain. The brain processes the signals that are sent to it from the nerves in your body.
Answer:c) Brain
Explanation:
Nervous system is the seat of coordination of all actions and sensory information through sending of signals to all body part. It is divided into two; the central nervous system(CNS) and the pheripheral nervous system (PNS). The CNS comprise of the Brain and spinal cord.
The Brain is what is what is included in Nervous system
water molecules evaporate from a lake near the equator and rise into the atmosphere, as shown in the diagram below. as the molecules travel away from the equator, which step in the water cycle is most likely to happen next
Condensation in the atmosphere, leading to cloud formation and potential precipitation.
As water molecules evaporate from a lake near the equator and rise into the atmosphere, the next likely step in the water cycle is condensation. As the warm, moist air rises, it encounters cooler temperatures at higher altitudes. The decrease in temperature causes the water vapor to condense into tiny water droplets or ice crystals, forming clouds. These clouds are part of the condensation process in the atmosphere.
Subsequently, if the conditions are conducive, the accumulated water droplets in the clouds may coalesce and grow, eventually leading to precipitation in the form of rain, snow, sleet, or hail. This completes the cycle as the condensed water returns to the Earth's surface, replenishing the water in lakes, rivers, and other bodies of water, and continuing the dynamic process of the water cycle.
Why is fresh water a limited resource?
Groundwater is too difficult to access
Most water covering Earth is salt water.
The supply of water on Earth decreases over time.
Too much water is wasted on irrigation
Answer:
The supply decreases over time
Fresh water is a limited resource because too much water is wasted on irrigation.
What is irrigation?Irrigation is defined as the artificial means of watering plants in agriculture which includes canals from underground water.
This process in some areas are the only source of water for farming and this leads to wasting of excess fresh water on irrigation.
Therefore, fresh water is a limited resource because too much water is wasted on irrigation.
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An organic compound is a compound that contains Question 12 options: carbon. hydrogen. oxygen. sodium.
Answer: carbon
Explanation: a compound that contains carbon in its structure and made long chains and complex structures due to the presence of a carbon atom. An example is methane CH4.
Answer:
Carbon
Explanation:
An organic compound is a compound that contains carbon.
Carbon has the ability to form chains with other carbon atoms.
That ability is also known as catenation. So, carbon has the ability to catenate millions of organic compounds.
All known organs are made based on carbon. Without carbon there will not be life as we know it.
Which pair is correct?
a. Ge phase, DNA replication
b. Ga phase, preparation for mitosis
c. S phase, cell division
d. M phase, cell growth
Answer:
answer is d as m phase = cell growth
3. Which of the following reflect reasons for America's interest in the Panama Canal?
to protect the Americans who were in the Panama Canal zone
to protect its new holdings in the Pacific
to shorten the sailing time between the east and west coasts
to create a quick passage way to Japan so the Japanese could immigrate
to facilitate the faster movement of naval ships from the Atlantic to the Pacific
"To facilitate the faster movement of naval ships from the Atlantic to the Pacific" reflect one of the reasons for America's interest in the Panama Canal.
Answer: Option E
Explanation:
Panama Canal is an artificial or man-made waterway of 82 km located in transcontinental country in Central America and South America named as "Panama". France was the very first nation to start work on the canal in 1881 but after some engineering issues they eliminated themselves from the project.
In 1901 the United States leaded the project which finally resulted into inaugural ceremony of the panama canal on 15th August, 1914.The bypass, one of the largest and most complex engineering projects ever undertaken, significantly reduced the time for ships to pass between the Atlantic and Pacific oceans. Therefore it allowed them to avoid the long, risky Cape Horn path around the southernmost tip of South America via the Drake Passage or Magellan Strait.
Final answer:
America's interest in the Panama Canal was due to strategic military needs for rapid naval deployment, economic benefits provided by a quicker route between oceans during the Gold Rush, and the enhanced global power projection that it enabled. So, the correct statement is "to facilitate the faster movement of naval ships from the Atlantic to the Pacific"
Explanation:
The reasons for America's interest in the Panama Canal were multifaceted. From a strategic military standpoint, the U.S. needed a faster way to move its naval fleet between the Atlantic and Pacific oceans, especially after experiencing the prolonged sailing time during the Spanish-American War. The Gold Rush and the expansion of U.S. holdings in the Pacific following the war showed the economic importance of a shortcut between the two coasts. Lastly, the canal would facilitate the faster movement of naval ships, strengthening America's defense and ability to project power globally.
Why is it important that cardiac muscle tissue does not tire
It is important that cardiac muscle tissue does not tire so that a continuous supply of Oxygen to the tissues is maintained.Otherwise, the metabolic activities of the body will cease.
Explanation:
Cardiac muscles are the muscles of the heart.
The pumping mechanism of the heart is due to the contraction and relaxation of cardiac muscles.
The blood that carries oxygen is transported to the different tissues of the body through the blood vessels and provides the oxygen to the tissues for metabolic functions.
If cardiac muscles tire, then the heart will stop pumping and oxygenated blood will not reach the cells. Deficiency of oxygen will result in reduced ATP production and soon the activities of tissues will cease and multiple organ failure will occur.
This will lead to the death of the individual.
Laboratory Re
3. MEIOTIC DIVISION
a. Considering meiosis in humans, indicate the:
1. number of chromosomes in the parent cell
2. number of chromatids in daughter cells formed by first division
3. number of chromosomes in daughter cells formed by first division
4. number of chromosomes in daughter cells of second division
5. number of haploid cells formed by meiotic division of parent cell
1. Number of chromosomes in the parent cell is 46
2. Number of chromatids in daughter cells formed by first division is 46
3. Number of chromosomes in daughter cells formed by first division is 23
4. Number of chromosomes in daughter cells of second division 23
5. Number of haploid cells formed by meiotic division of parent cell is 4
continues.
Part B
The pressurized plants and fungi mentioned in the video have some surprising similarities. What differences would you
expect them to have?
Answer:
Plants are autotrophic organisms which means they have the ability to produce their own food by using light energy from the sun. The cell wall of plants is made up of cellulose.
Fungi have heterotrophic mode of nutrition. They cannot make their own food and take in food as a source of energy. The cell wall of fungi is made up of chitin, not cellulose.
Answer:
The green plant would be able to photosynthesize, but the fungi wouldn’t. The plants would have cellulose in their cell walls, while the fungi would have chitin.
Explanation:
Which geological feature is most common at oceanic-continental convergent boundaries?
Faults
Trenches
Rift Valleys
Volcanic Mountain Ranges
Trenches are geological feature is most common at oceanic-continental convergent boundaries.
Explanation:
Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.
As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.
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Answer:
Explanation:
i think its volcanos
Question 10 of 10
2 Points
What does polymerase chain reaction (PCR) do?
O
A. Cuts a DNA sample into fragments
O
B. Separates DNA fragments by size
O
c. Provides an overall picture of a person's chromosomes
O D. Makes more copies of a sample of DNA
Option D
polymerase chain reaction (PCR) do Makes more copies of a sample of DNA
Explanation:
A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.
In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.
What happens when a sodium atom loses an electron in its outer energy
O
A. It becomes a negative ion
O
B. It has an increase in the number of protons.
O
C. It has an increase in the number of neutrons.
O Dit becomes a positive ion.
Answer:
The correct option is D) it becomes a positive ion.
Explanation:
The third shell of the sodium atom has one valence electron. In order to become stable, the sodium atom tends to lose its valence electron so that a stable configuration can be achieved. When a sodium atom loses an electron, the number of protons in the nucleus becomes greater than the number of electrons as one electron has been lost. As a result, the sodium atom becomes a positively charged ion with + 1 charge.
Answer:
D.) It becomes a positive ion
Explanation:
It's correct