A(n) ______ is the smallest unit of an element that maintains the properties of that element.

Question 2 options:

molecule


nucleus


atom


particle

Answers

Answer 1
Particle or Subatomic particle

Related Questions

Anaerobic exercise, such as weight training. does not burn as many calories as aerobic exercise

Answers

is this a question or a statement ?????

A researcher is creating pedigrees for a trait he suspects to be dominant in humans. what are some of the likely features of his pedigrees for families with this trait?

Answers

A feature of a pedigree that indicate that a certain trait is a dominant trait is that one of the parents always have to have the trait.

There are, however, autosomal dominance and X-linked dominance.

For an autosomal dominant trait: 
- Appears equally frequent in both sexes.
- Both sexes transmit the trait.
- Present in all generations.
- When one parent has the trait and the other doesn't, approximately half of the offspring will present the trait.

For a X-linked dominant trait: 
- Both male and females can present the trait, but more females usually present it.
- Sons with the trait always have a mother that presents the trait as well.
- Daughters with the trait always have either a mother or father that presents the trait, or both.
- Fathers with the trait always have daughters with the same trait.

Answer:  

The trait will be shown more frequently in the family pedigree. Rest of the characteristics will depend on whether it is an autosomal or X linked dominant trait.  

Explanation:  

A pedigree analysis is used to study inheritance of genes in a family. It is used for many purposes like finding out the genetic source of a disorder in family or predicting the trait outcome for future progeny based on status of family members. If it's a dominant trait, it would be expressed even with a single copy so such a pedigree shows the trait more frequently.

Further Explanation:

Autosomal dominant trait:  

An autosomal dominant trait will express itself in both the sexes.  Both the sexes will pass on the trait.  Overall pedigree will have at least one affected member in every generation because it is dominant and sex independent.  If around half of the children are affected and one parent is unaffected that means other parent is affected and heterozygous for the trait .  

X-linked dominant trait:

A X linked dominant trait will be more frequently presented by a female.  A son with the trait will always have a mother with the trait because he inherited X chromosome from the mother.  Daughter with the trait will have either one or both the parents affected by the trait.  Fathers who have this trait will always have daughters with this trait becuase they will pass surely one X chromosome to the daughter.

Learn More:  

about pedigree: https://brainly.com/question/2952835 ( answer by JcAlmighty )

about different type of traits:  https://brainly.com/question/7135379?section=similar  ( answer by Palmss24 )

Keywords: pedigree, autosomal dominant, X-linked dominant, trait

The ________ is the part of the brain that holds the hemispheres together

Answers

The corpus callosum is made of nerve fibers, deep in the brain, that connect the twohalves of the cerebral hemispheres.

What is not a part of an organisms environment A.vegetation B. Available water C. Ancestry D air quality?

Answers

Ancestry is not part of an organism's environment.
The answer would be C. Ancestry

Why do we study atoms in biology?

Answers

Because the atom makes up every single thing in this world. A solid object is just tons of atoms piled together.
Because it holds everything on earth together without atoms nothing would be together it’s an important thing to know because without atoms nothing would be help together like it’s supposed to be

What important changes are occurring in the nucleus during the longest phase of mitosis?

Answers

The longest phase is prophase.

In prophase, the nuclear envelopes, breaks apart, and the replicated chromosomes condese to form the familiar X figures. The chromosomes then begin migrating to the middle cell. :D

Applicable beyond the time range of radiocarbon dating, amino-acid racemization is used primarily to date samples of

Answers

Amino-acid racemization is primarily used to date samples of bones, applicable beyond the time of range of radiocarbon dating. Amino-acid Racemization, the AAR rates not only change of the temperature but also with the concurrent effects of pH changes. L-amino acid is an example of racemization which is the process in which one enantiomer of a compound.

How does exercise help the nervous system?

Answers

This contributes to brand new brain cells and it increases the number of pathways for oxygen, energy, and to remove waste from the brain. Aerobic exercise is the most beneficial type of exercise on the nervous system. ... Exercise improves your cognitive function and makes you more alert, as well as reduces stress.

While at school, the client is called to the school nurse’s office. the school nurse is performing secondary prevention interventions. which would the nusre most likely be performing?

Answers

A school nurse performing secondary prevention interventions is likely focused on early detection and treatment of health issues.

When a school nurse is performing secondary prevention interventions, they are likely focusing on actions that lead to early diagnosis and prompt treatment of a disease or condition with the goal of preventing more severe problems. This could involve administering health screenings, checking vaccination statuses, and providing care for acute illnesses or injuries. The nurse may also be performing health assessments to identify issues that require a referral to community resources such as social services, support groups, or mental health agencies.






Which question is most closely related to the field of biology?

A. How do you design a cheaper automobile?
B. What is the cause of cancer in mice?
C. What is the nearest planet to Earth?
D. How many planets are there in the solar system?

Answers

I think the answer is B. It has to do with life that's why.

What is the cause of cancer in mice? is most closely related to the field of biology.

What is biology?

A study of life is called biology. The Greek terms "bios" and "logos," which both imply "life," are the origin of the word "biology" (meaning "study"). Biologists generally research the composition, function, development, origin, evolution, and distribution of living things.

According to the Encyclopedia Britannica, biology is significant because it aids in our understanding of how organisms function and interact on a variety of levels (opens in new tab).

Researchers have been able to produce more food to feed a growing human population thanks to advances in biology. They have also been able to better understand how plants and animals may respond to environmental change and develop better medications and treatments for diseases.

Therefore, What is the cause of cancer in mice? is most closely related to the field of biology.

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A nurse is caring for a child with tinea pedis. which assessment finding should the nurse expect

Answers

Tinea Pedis is a foot infection that frequently caused by Trichophyton rubrum, it presents with a red scaling rash on the soles of the feet.

Which of the following best describes homeostasis in humans?

Answers

Answer:

Homeostasis is the tendency to maintain a relatively stable blood osmolarity despite taking in variable amounts of salt in the diet.

Explanation:

Homeostasis is the ability of an organism to maintain relatively stable internal conditions, such as stable blood osmolarity, despite the influence of external factors.

Final answer:

Homeostasis in humans is the maintenance of a stable internal state across various physiological systems through the coordinated efforts of the body's cells, tissues, organs, and organ systems, involving constant adjustments to internal conditions.

Explanation:

Which of the following best describes homeostasis in humans? Homeostasis in humans is the condition in which a system, such as the human body, is maintained in a more-or-less steady state. It is the responsibility of cells, tissues, organs, and organ systems throughout the body to maintain many different variables within narrow ranges that are compatible with life. This involves continuous monitoring of the internal environment and making constant adjustments to keep things in balance. Examples include maintaining a stable body temperature, blood glucose level, and hydration level. For instance, if the body becomes too warm, adjustments are made to cool it down, and if glucose levels in the blood rise, adjustments are made to lower them.

Why does the human population continue to grow exponentially apex?

Answers

There are enough resources for each new member of the population to use (apex) Earth science [sem 2]

There's multiple reasons as to why the human population is growing exponentially, some of which are:

- lack of education

The lack of education, especially in the less developed countries, results in very young marriages, teenage marriages, where the two teenagers imitate the behavior of the elderly people in their family and surroundings.

- pride and tradition

There's still lot of parts in the world where having as many kids as possible is considered as tradition, or as the biggest pride of the family, though the poverty and the living conditions for those kids are rarely taken into consideration.

- irresponsibility

In the less developed countries, where the birthrates are the highest, very often the kids are married by their parents at a very young age, they have to work from early teenage years, they live on the verge of existence as usually the families are poor but have lot of kids.

Which of the following balances is affecting by the local force of gravity

Answers

Please give me the options.

What is one essential amino acid which cats cannot produce but dogs can?

Answers

The essential amino acid for cats but not dogs is taurine. Taurine is an amino acid that is essential in the process of metabolizing fats. Cats need twelve essential amino acids compared to eleven needed by dogs. The deficiency of this amino acid is most diagnosed in cats ad it generally leads to blindness, deafness and heart failure in felines. 

Data from a scientific investigation should be presented in what format?


a.)Data should be presented in the original format it was recorded.

b.)Data should be presented in a clear and organized manner.

c.)Data should be presented orally.

Answers

The answer to this question would be: b.)Data should be presented in a clear and organized manner.

The data should be presented in the best way to read it. The original format of the data might be confusing to read. It could be graph or anything that make the reader can understand what point you want to make. Putting the research method also a good idea since the reader might want to verify the research validity before looking the data.
It doesn't have to be presented orally since most of the scientific report will be written.

Final answer:

Data from a scientific investigation should be presented in a way that is clear and organized, often by using charts or graphs, and after being analyzed with the help of statistics. This method facilitates understanding and demonstrates whether the data supports a scientific hypothesis. So the correct option is b.

Explanation:

Data from a scientific investigation should be presented in a clear and organized manner. This involves analyzing and interpreting raw data, which includes the measurements or observations collected during a study, to determine whether they support a hypothesis. Using statistics is commonplace to make sense of this data and to present it in ways that are meaningful and provide clear evidence for or against the hypothesis being tested.

Data can be quantitative, such as counts and measurements, or qualitative, which includes non-measurable information. Scientists will often use various methods to display data, such as creating graphs or tables. This approach helps in justifying the selection of the kind of data needed to answer specific scientific questions and ensures the research is logical and thorough.

Point b.) Data should be presented in a clear and organized manner is the correct answer to the presented question as it encompasses the professional standards for organizing and presenting scientific data.

explain the importance of nutrients to an organism of your choice

Answers

The importance of nutrients is to keep your body functioning. You need certain nutrients to carry out certain functions. For example, you need a certain amount of iron in your blood, otherwise you can faint, bruise easily, and even have severe health problems.

List examples of carbohydrates, lipids, proteins, and nucleic acids and name the function of each

Answers

Macromolecules are large molecules within your body that serve essential physiological functions. Encompassing carbohydrates, proteins, lipids and nucleic acids, macromolecules exhibit a number of similarities.

Biological macromolecules play a crucial role in the structure and function of living organisms. They are divided into four main categories: carbohydrates, lipids, proteins, and nucleic acids.

Carbohydrates are composed of carbon, hydrogen, and oxygen, and they serve as the body's primary source of energy. Examples include glucose, sucrose, and starch. Their function is to provide energy and structural support in cells.Lipids are nonpolar molecules that include fats, oils, and cholesterol. They serve as long-term energy storage, make up cell membranes, and can be hormones. Examples of lipids are triglycerides, phospholipids, and steroids.Proteins are made of amino acids and perform a wide range of functions such as acting as enzymes, hormones, and antibodies. Examples of proteins include hemoglobin, insulin, and antibodies.Nucleic acids include DNA and RNA, which store and transmit genetic information. DNA holds the instructions for protein synthesis while RNA translates these instructions to produce proteins.

Clare just felt someone touch her shoulder. her _____ cortex was stimulated.

Answers

The answer in the space provided is somatosensory cortex. These are cells that is responsible for sending signals through out our body in receiving sensory input such as having to feel the sense of touch as you touch something or when someone touch you in a certain part of your body such as the shoulder.

Describe the process by which proteins are made and then exported from the cell

Answers

The answer is simple Protein Synthesis

The process through which proteins are made is known as protein synthesis and exported from the cell to different organelles through the process of protein transportation or protein sorting.

What is Protein synthesis?

Protein synthesis may be defined as a type of biological process through which proteins are developed in the cell. It occurs in two major processes. They are as follows:

Transcription: convert DNA into mRNA. It occurs in the nucleus of the cell. Translation: Convert mRNA into the sequence of amino acids. It occurs in the cytoplasm of the cell.

Protein sorting is accomplished by the action of signal receptors which are present on the surface of each organelle. This is authorized by the involvement of secretory vesicles in which the developed protein is packaged and migrated to the site of action.

It distinctly involves two pathways such as anterograde from ER to the plasma membrane and retrogrades from the plasma membrane to the ER.

Therefore, the process by which proteins are made and then exported from the cell is well-described above.

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Identify the producers in a terrestrial ecosystem compared to those in an aquatic ecosystem

Answers

Producers are the organisms that provides the energy for all the other organisms in an ecosystem. In a terrestrial (land) ecosystem, the producers are the trees, grasses, flowers etc. While in an aquatic (water) ecosystem, the producers would be algae and other underwater plants. Both terrestrial and aquatic producers have the same basic details on how it works. Both uses sunlight and carbon dioxide to produce oxygen and sugars.

Terrestrial producers are mainly land plants such as trees and grasses, while aquatic producers include algae and phytoplankton.

Producers, or autotrophs, are organisms that produce their own food using energy from sunlight or chemical sources. They play a crucial role in the ecosystems by serving as the base of the food chain.

Terrestrial Ecosystem Producers

In terrestrial ecosystems, such as forests, deserts, and tundras, the primary producers are land plants. These include trees, shrubs, grasses, and other plants that utilize sunlight through the process of photosynthesis to create organic compounds.

Aquatic Ecosystem Producers

In aquatic ecosystems, like oceans, lakes, and rivers, the main producers are algae and phytoplankton. These microscopic organisms perform photosynthesis and are responsible for a substantial portion of the Earth's oxygen production. They are quickly consumed by other aquatic organisms, contributing to high productivity despite their small biomass.

Both terrestrial and aquatic ecosystems have unique producers playing vital roles. While terrestrial ecosystems have larger, longer-lived plants, aquatic ecosystems rely heavily on microscopic phytoplankton, which are swiftly consumed but indispensable for marine life.

How does continental drift affect living organisms? check all that apply?

Answers

The continental drift refers to the separation process of Earth's surface in millions of years that happened due to the slow movements in tectonic plates inside the earth. So the answers are 

It causes climate change which puts selective pressure on organisms
it causes changes in habitats, such as when large amounts of shallow marine habitat were lost in the formation of Pangaea
 it may cause an increase or decrease in competition among different species
 it happens so slowly that it does not affect living organisms

A cell in prophase ii of meiosis contains 12 chromosomes. how many chromosomes would be present in a cell from the same organism if it were in prophase i of meiosis?
a. 6
b. 12
c. 24
d. 48
e. no correct answer is listed.

Answers

c24 i think so,
Cj so cool

Why are cohesion and adhesion important to life?

Answers

Since water is attracted to other molecules, adhesive force pulls the water towards other molecules. Water is transported in plants through both Cohesive and Adhesive forces, the forces pull water and resold minerals from the roots to leaves and other parts of the plant. Important because it keeps the plants or trees alive which gives us the ability to breathe
Final answer:

Cohesion and adhesion are vital to life processes, contributing to water transportation in plants and blood movement in animals. Water molecules adhere to one another in a process known as cohesion, whereas they adhere to other substances in a process known as adhesion. Without them, critical life processes would fail to occur.

Explanation:

Cohesion and adhesion are two critical properties of water that play a significant role in life processes. Cohesion refers to the ability of water molecules to stick together, due to their polarity, resulting in phenomena like surface tension. It's vital for the transportation of water in plants where water molecules 'stick' together to form a continuous stream from roots to leaves.

Adhesion, on the other hand, is the ability of water molecules to stick to other substances. It's helpful in various biological processes, like capillary action, where water can move up narrow tubes against the force of gravity. This is crucial for things like blood movement in tiny blood vessels in animals and water movement in plant roots.

Without these two properties, essential life processes might not be able to occur, thus making cohesion and adhesion very important to life.

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It would not have occurred to her that an action which is ineffectual thereby becomes meaningless. what action is winston recalling?why is this gesture important to winston

Answers

Based on the statement mentioned above,  Winston is alluding to his mom. His mom's sentiments had a place with an alternate time. Dedication, cherish, honorability was altogether intended to her despite the fact that they won't influence the result of a given circumstance.

Winston recalls a gesture from Julia in Orwell's 1984, where she brushes away a piece of dust. To Winston, this small act of normalcy and affection is deeply meaningful, symbolizing rebellion and connection in a controlled society.

The action Winston is recalling occurs in George Orwell's novel 1984. He recalls a time when Julia, his lover, made a gesture that seemed to be ineffectual but was deeply meaningful to him. Specifically, Winston remembers Julia calmly brushing away a piece of dust from the corner of a page in the book she was reading.

Winston finds this gesture important because it symbolizes normalcy, intimacy, and rebellion within a society that suppresses individual expression and affection. Although brushing away dust may seem like a trivial act, to Winston it represents a small yet significant act of defiance against the Party's attempts to control every aspect of their lives.

In a broader sense, this gesture is crucial to Winston because it reinforces his connection with Julia and his sense of humanity, which the Party strives to obliterate.

Describe what is meant when water is called a polar molecule

Answers

Polar molecules are the molecules which gives charged molecules upon dissolving into water or other polar solvents. Water is considered a polar molecule because it gives charged species upon separation.

What is Polar molecule?

A polar molecule is a molecule which has one end of the molecule slightly positive and the other end slightly negative. A diatomic molecule that consists of a polar covalent bond, such as HI, is a polar molecule. In this molecule, H is positively charged while I is negatively charged.

Water also written as H2O is a polar molecule. The bonds between hydrogen and oxygen are well-distributed. The hydrogen atoms are on both sides of the oxygen atom rather than evenly spaced. The oxygen in this molecule has a slight negative charge, while the side with the hydrogen atoms has a slight positive charge. This is called a polar molecule.

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Water is a polar molecule because of the uneven distribution of electron density, where oxygen is slightly negative and hydrogen is slightly positive, leading to unique properties like high surface tension and solvent abilities.

When water is referred to as a polar molecule, it means there is an uneven distribution of electron density across the molecule. Water, which has the chemical formula H2O, consists of one oxygen atom and two hydrogen atoms. The oxygen atom has a higher electronegativity, meaning it attracts the shared electrons more strongly than the hydrogen atoms. This results in the oxygen atom carrying a slightly negative charge, while the hydrogen atoms carry a slightly positive charge. The molecular structure of water is bent, not linear, which enhances its polarity. The consequence of this polar nature is that water molecules attract each other via hydrogen bonds, which is when the positive hydrogen end of one water molecule is attracted to the negative oxygen end of another. This unique property leads to the high surface tension and solvent abilities of water, making it critical for biological systems and chemical reactions.

guys read this and answer just one question plzzz

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In 1987 a strange nerve disease attacked the people in the Dutch East Indies. The disease was beriberi (pronounced berry-berry). Those who fell ill could not eat and became paralyzed and could not move. Scientists believed the disease may have been caused by bacteria in the blood.
The scientists used “infected” blood as the variable in their experiment. In the manipulated group they injected chickens with blood from beriberi patients. In the control group they did not inject chickens with blood from beriberi patients. The injected chickens became sick. However, so did the group of chickens that were not injected with the blood from beriberi patients. The scientists were confused by these results.
One of the scientists, Dr. Christiaan Eijkman (pronounced Ick–man), noticed something about the experiment. Normally all the chickens eat whole-grain rice, but during the experiment, the chickens ate white rice. Whole-grain rice or brown rice is covered with a seed coat.  The seed coat contains a vitamin called thiamine.  All of the chickens in the experiment ate white rice which does not have the seed coat. Dr. Eijkman researched this interesting case further. He found that white rice lacked thiamine (pronounced thigh–a-mean), a vitamin necessary for good health, which is also linked to beriberi.

question:. If you were Dr. Eijkman, how could you test your hypothesis?

Answers

do a similar experiment where you give one group of chicken the white rice and the other brown rice but you don't inject them with the blood since that will not be needed. repeat the experiment a few times to make sure that the result is correct

Explain three ways that human activity negatively affects Earth’s natural resources.

Answers

La tala de arboles
La mineria
Y el turismo demedido

Espero y te aya ayudado

Natural resources are the resources that are present in environment for the use of human. There are many ways in which the human activity is negatively affecting the natural resources. Among other activities, three activities are:

1 Deforestation : Cutting down of trees in large numbers leads to deforestation. Trees are of great importance in terms of oxygen, medicine, wood and other products. Human interventions is leading to destruction of natural resources. Trees are cut in large numbers for the sake of these products from it and  the rate at which the deforestation is increasing, it will lead to some serious issues in future.

2 Water Pollution : Water is a vital substance for the life of organisms. Human interventions are polluting the water at a very high rate.The aquatic life is hampered by water pollution. The percentage of water available for human consumption is decreasing due to wastage and pollution of water.

3 Over consumption of coal and petroleum: The coal and petroleum are consumed by the humans in such a way that there are possibilities that the future generation might not see it. The over consumption of fossils fuels is a very serious problem caused by human activity.



which two phyla are most closely related?

Answers

Any specific kind of phyla? Like animal phyla or plant phyla?

What hormone is released when the food you have just eaten reaches your stomach?
a. cck
b. secretin
c. gastrin
d. insulin?

Answers

When the food you have eaten reaches the stomach, the hormone released is what we call Gastrin. The ‘G’ cells produce  these hormones. These hormones are produced in the lining of the stomach and upper small intestine. When a person is having a meal, it is the gastrin which stimulates the stomach to release gastric acid. Aside from the proteins from the food that are broken down, the gastrin makes it possible for the vitamins to be absorbed by the stomach. Gastrin also serves as a disinfectant and kills most of the bacteria that enter the stomach with food, minimising the risk of infection within the gut. It also stimulates the stomach lining’s growth as well as it also increases muscle contractions of the gut to aid digestion. On the other hand, the gastrointestinal hormones or the gut hormones constitute a group of hormones secreted by enteroendocrine cells in the stomach, pancreas, and small intestine that control various functions of the digestive organs. 
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