Nucleic acids _____.

are the largest of the four main biological macromolecules
determine whether an organism is a bacterium, tree, mouse, or human
are the building blocks of proteins
consist of DNA and RNA

Answers

Answer 1
I would believe the correct responses would be option 1,2,4.
Answer 2
answer choices 1,3,4 are correct

Related Questions

The wood thrush makes its nest in woodlands in the northern and eastern united states. as patches of woods become smaller, increasing numbers of wood thrush nests have eggs laid in them by the brown-headed cowbird. cowbirds live in open fields and are nest parasites; the female cowbird flies up to an unattended nest, quickly lays an egg in another bird's nest, and leaves the host parents to raise their "adopted" young. wood thrushes are decreasing in numbers because ________.

Answers

The wood thrushes in the country are decreasing in numbers because habitat fragmentation makes it easier for cowbird parasitism to occur. So, in this statement the reason why the wood thrushes re decreasing in numbers is because habitat fragmentation makes it easier for cowbird parasitism to occur. The answer in this question is habitat fragmentation makes it easier for cowbird parasitism to occur.

Answer:

habitat fragmentation makes it easier for cowbird parasitism to occur.

Explanation:

just got it right

What trend do you see in the changes in plant communities over the course of ecological succession?

Answers

Final answer:

The trend in ecological succession involves a sequence from pioneer species to intermediate species, and potentially to a climax community. This process can result from either primary or secondary succession, with the latter generally progressing more quickly due to existing soil resources.

Explanation:

The trend observed in the changes in plant communities during ecological succession is a generally predictable sequence of growth and change. After a disturbance, pioneer species like annual plants will start to grow, usually followed by grasses and perennials. These early colonizers modify the environment in ways that favor succeeding phases of plant community development. As time progresses, grasses may give way to shrubs and trees such as pines, oaks, and hickories - known as intermediate species. After many years or even centuries, a climax community will form, although modern ecology suggests that rather than being a final stage, these communities too are dynamic and subject to change with further disturbances.

There are two types of succession: primary succession, which occurs on land that has never been colonized before, and secondary succession, which takes place in areas that were previously inhabited but have been disturbed. Both processes see shifts in species composition over time, but secondary succession often proceeds faster because the soil already has a seed bank and nutrients to facilitate growth.

In summary, the common trend in ecological succession is a change from a simple initial community of organisms to increasingly complex and diverse communities, potentially leading to a more stable climax community, which nonetheless may be altered by new disturbances.

Alkylating agents work to prevent the cell from replicating its genetic material, thus preventing cell division. which checkpoint would the cell most likely stop at?

Answers

Final answer:

Alkylating agents would most likely cause the cell to halt at the G₁ checkpoint, where the cell checks for DNA damage before proceeding to DNA replication. However, the G₂ checkpoint also plays a key role in checking for DNA damage or incomplete replication before a cell enters mitosis.

Explanation:

Alkylating agents act by preventing cell division through inhibition of genetic material replication. In terms of cell cycle checkpoints, these agents would most likely cause the cell to halt at the G₁ checkpoint, primarily regulated by proteins Rb, p53, and p21. During the G₁ phase, the cell prepares for DNA replication, which occurs in the subsequent S phase. But if there is a presence of damaged DNA, proteins like p53 halt the cell cycle and call upon enzymes to repair the genetic material. If repair is not possible, p53 can trigger a process called apoptosis to prevent the propagation of damaged DNA.

However, consideration should also be given to the G₂ checkpoint. This checkpoint bars entry into the mitotic phase if it detects DNA damage or incomplete replication, triggering repair mechanisms or a complete halt to the cell cycle. It thus ensures that cells entering mitosis have accurately replicated their DNA.

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ATP molecules store cellular energy. When phosphate groups are removed and molecules of ADP are formed, energy is released. This energy can be used to perform

Answers

photosynthesis is the answer
Final answer:

Adenosine triphosphate (ATP) is the primary cellular energy currency. When ATP is converted to ADP and a phosphate group, energy is released. This energy is used for various cellular activities, such as muscle contraction or glucose metabolism.

Explanation:

Adenosine triphosphate, or ATP, is the primary energy currency in cells. ATP stores energy in the form of phosphate ester bonds. When these phosphodiester bonds are broken, usually by the removal of a terminal phosphate group, ATP is converted to ADP and a phosphate group, and energy is released. This released energy is used to perform various cellular activities.

For instance, if a cell needs to contract a muscle, it will use the energy from ATP. Similarly, when glucose first enters a cell, a phosphate group is transferred from ATP, forming glucose phosphate and ADP. Once glucose is phosphorylated in this way, it can be stored as glycogen or metabolized for immediate energy.

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What should be done after a spill is wiped up with a cloth?

Answers

You would disinfect with a bleach solution.

A client is being discharged from the gynecological unit after treatment for an acute pelvic inflammatory disease (pid). what priority instruction regarding disease management should the nurse include?

Answers

In giving a priority instruction regarding the disease management of the patient a nurse should include the following: (1) Flush entirely the peritoneal pads in the toilet; (2) Place the pads in bio-hazard waste stacks; (3) Put the pads in the patient’s waste carrier; (4) Seal the used pads in a unsoiled paper bag. This should be instructed to a patient who is about to be discharged from the gynecological clinic after the treatment for acute pelvic inflammatory.

The portion of the cell's life cycle that does not involve cell division is known as: cytokinesis interphase metaphase mitosis prophase

Answers

The portion of the cell's life cycle that does not involve cell division is known as interphase because in interphase, the cell is preparing for division in a process called mitosis and meiosis.

Which one would have more mitochondria muscles, fat, skin, or hair cells?

Answers

Hello!

The correct answer is: Muscles would have more mitochondria.

I really hope this helped you! c:
Muscles is the right answer

When water freezes, its volume _____.


increases about 9%

increases more than 10%

decreases about 9%

decreases 10% or more

Answers

when water freezes, its volume increases by 9%
it increases about 9%

The spongy bone that is found within the ends of long bones is called

Answers

The answer is trabecular

Answer:

The answer is trabecular.

Explanation:

The junction between an axon and the muscle fiber itself is called a

Answers

Neuromuscular junction!
Final answer:

The junction between an axon and the muscle fiber is called the neuromuscular junction.

Explanation:

The junction between an axon and the muscle fiber itself is called the neuromuscular junction.

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A team of scientists is working to formulate a drug that can treat children who are diagnosed with gigantism. Which effect should the drug have on patients?

Answers

side effects or malfunction of cells i believe

Answer:

decreases the secretion of substances from the pituitary gland that cause growth

Explanation:

Gigantism is a disorder that occurs when the pituitary gland, the internal secretion gland, overproduces growth hormone. It is a disordered growth picture, especially in the arms and legs, and is accompanied by corresponding growth in height. For this reason, we can conclude that the effect of a drug that will act against gigantism will decrease the secretion of growth-causing pituitary substances.

The variability in marine salinity between habitats does not impact the fish living there

Answers

The answer is false.
The variability in marine salinity between habitats does impact the fish living there.
I hope this helps.

Answer:

The variability in marine salinity between habitats will have an impact on the fish living there as the change in the salt level can affect fish life cycle. It depends on the salt tolerance levels of fish. Fishes which adapt to the change   salt conditions will survive.

Choose the best option to complete the sentence. a disease in which a person contracts rabies virus after a bite from an infected raccoon would be a __________ disease.

Answers

A bite from an infected raccoon would be a transmitted disease. A disease is transmitted if it is passed from one living thing to another. In this case, the disease (rabies) was transmitted from the infected raccoon to the human being. The disease was transmitted through the bite.

Monoglycerides diglycerides and triglycerides are distinguished from one another by the

Answers

Final answer:

Monoglycerides contain one, diglycerides contain two, and triglycerides contain three fatty acid chains attached to a glycerol molecule, which is the distinguishing feature among them.

Explanation:

Monoglycerides, diglycerides, and triglycerides are distinguished from one another by the number of fatty acid chains attached to a glycerol molecule. Monoglycerides have one fatty acid chain, diglycerides have two, and triglycerides, which are the focus of our inquiry, have three. A glycerol molecule provides the backbone for these lipid structures, featuring three carbon atoms, each with an attached hydroxyl (-OH) group.

During the formation of a triglyceride, each of these hydroxyl groups can undergo a dehydration synthesis reaction, where a hydrogen atom from the glycerol combines with a hydroxyl group from a fatty acid (represented as -COOH) to form water, leaving behind a new bond between the glycerol and fatty acid—known as an ester bond. Tristearin and triolein are examples of simple triglycerides, as they contain three identical fatty acid chains. In contrast, mixed triglycerides include different fatty acid chains.

To test how fertilizer affects aquatic animals, a student prepared four identical containers with water fleas. The student then added different amounts of fertilizer mixed with distilled water to three of the containers and distilled water alone to one of the containers. What is the experimental group in this experiment? A. All the water fleas in the container with the most fertilizer B. The water fleas in the container with only distilled water C. The water fleas in all the containers receiving fertilizer D. All the water fleas in all the containers

Answers

The student then added different amounts of fertilizer mixed with distilled water to three of the containers and distilled water alone to one of the containers. The water fleas in all the containers receiving fertilizer.

What is fertilizer?

An element that is necessary or advantageous for plant growth and development or for the quality characteristics of the harvested product of a certain plant species grown in its natural or cultivated environment is known as a mineral plant nutrient.

Plants require 14 vital nutrients for growth and health, which fertilizers give, in addition to the carbon, hydrogen, and oxygen they obtain from the atmosphere and water.

The third main nutrient for crops and plants is potassium. Ores collected for mining are also used to make fertilizers with potassium. The potash rock can be transformed into plant nourishment through a number of chemical processes, including potassium chloride, sulphate, and nitrate.

Therefore, The student then added different amounts of fertilizer mixed with distilled water to three of the containers and distilled water alone to one of the containers. The water fleas in all the containers receiving fertilizer.

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Answer: B.

Explanation: The water fleas in the container with only distilled water

Areolar connective tissue is often considered to be the prototype of connective tissue proper

Answers

The statement above is TRUE.
Connective tissues are the most abundant primary tissues in the human body. There are four types of connective tissues, they are fat & fibrous, cartilage, blood and bone. Areolar is the most common connective type and is considered as the prototype of connective tissue proper.

Which state of matter is the most dense?

solid

gas

liquid

all the above

Answers

Solid. it's all stuck and linked together, while liquids are flowing along and gases fly around wherever they please. Hope this helps

Explain the role human body systems tissues cells and dna play in identity

Answers

The role of the human body systems, tissues, and cells shows a significant role in individuality because each of them comprises of unique traits that is the characteristic to each individual. Every individual has his or her own DNA that recognizes their individuality.


Petroleum and natural gas form from _____.


A. heating and cooling of magma in underground chambers

B. plant material that collected millions of years ago in swamps

C. the decay of radioactive sediments under ground

D. the remains of plants and animals buried in seas long ago

Answers

the remains of plants and animals buried in seas long ago.
The correct answer will be D

Hope I helped

Which theory would be most supported if the moon had an irregular shape, like an asteroid?

Answers

This would be the capture theory.
hope this helps!
The answer is Capture theory

The posterior, inner part of the eye is called the __________ of the eye.

Answers

The retina; I may be wrong.

Maria has drawn a flow chart using stars to track electron carriers (nadh and fadh2) during cellular respiration, but she has not completed her model. if twelve electron carriers are delivered to the electron transport chain (etc) per molecule of glucose, how many stars should she show being produced during glycolysis and pyruvate processing

Answers

During glycolysis, an anaerobic type of cellular respiration, generates 2 ATP molecules and 2 pyruvates. So, there would be 4 stars

Cellular respiration is how the cell processes and produces energy, ATP.

ATP is the energy currency of the cell, without its generation the cell would fail and cease to function. Now, ATP is produced through cellular respiration which occurs from the process of glycolysis, formation of acetyl coA, citric acid cycle and lastly, oxidative metabolism. 

If future editions of the dsm change to a dimensional approach in the diagnosis of personality disorders, clinicians will have to

Answers

The answer is rate the degree of dysfunctioning initiated by each traits of a person in identifying personality disorders. The diagnostic and statistical manual of mental disorders or as called as (DSM) is distributed by the american psychiatric association or as called as (APA) and deals a common language and standard criteria for the grouping of mental disorders.
Final answer:

If future editions of the DSM adopt a dimensional approach for diagnosing personality disorders, clinicians must learn to evaluate and diagnose based on a continuum of traits rather than fixed categories, requiring them to familiarize themselves with new assessment tools and principles.

Explanation:

If future editions of the DSM change to a dimensional approach in the diagnosis of personality disorders, clinicians will have to adapt to a more nuanced evaluation process. This new direction emphasizes assessing an individual's impairments in personality functioning and their pathological personality traits, rather than fitting them into a strict categorical diagnosis. Clinicians will need to familiarize themselves with the principles of the dimensional approach, which views personality disorders as existing on a continuum, reflecting the degree to which a person exhibits certain traits rather than a binary presence or absence of a disorder.

This shift requires a greater focus on individual differences and acknowledges that personality disorders can exhibit a wide range of intensity and manifestations. Practitioners will need to use assessment tools designed for this framework, such as the NEO-PI (Neuroticism-Extraversion-Openness Personality Inventory), to capture the nuances of a person's personality traits. This method allows for a more tailored approach to diagnosis and treatment, recognizing the unique expression of personality disorders in each individual.

Overall, adopting a dimensional approach in future DSM editions would necessitate a significant shift in clinical practice. Clinicians must be prepared for ongoing education and training to effectively use this approach, facilitating a more comprehensive and accurate understanding of personality disorders. This transition underscores the importance of flexibility and precision in psychiatric diagnosis and treatment.

What was one effect the battle of gettysburg had on the south?

Answers

The South never again fought on Union soil.

The dose of an antigen that kills 50% of animals in a test group and is used to estimate the virulence of a pathogen is known as

Answers

The answer is lethal dose 50 or LD50.

LD50 is a measure of a lethal dose of a substance that can be toxin, radioactive or pathogenic. The value of LD50 for that substance is the dose required to kill half of the animal population. For example, in a population of 100 rats, the dose necessary to kill 50 of them is the lethal dose.

Help!

Which of the following is false?

Lithospheric plates move during earthquakes
Lithospheric plates can move even if there is no earthquake
Lithospheric plates can move very slowly
Lithospheric plates do not move

Answers

The last one is false, the plates are almost always moving
Final answer:

The false statement is that 'Lithospheric plates do not move.' Lithospheric plates are constantly moving, albeit slowly, and their movement can cause earthquakes among other geological phenomena.

Explanation:

The statement that is false among the given options is: Lithospheric plates do not move. Lithospheric plates, which are large segments of the Earth's crust, indeed move around the globe at rates typically measured in millimeters to a few centimeters per year. These movements are analogous to the growth rate of human fingernails. Lithospheric plates do move during earthquakes when the stress that has built up along fault lines is released suddenly. They can also move without the occurrence of earthquakes, albeit very slowly. Tectonic plates engage in several types of interactions at their boundaries, including divergent, convergent, and transform motions, which can cause earthquakes and are associated with other geological phenomena such as mountain building and volcanic activity.

Which part of an egg is most similar to the cell membrane?

Answers

The shell is most similar to the cell membrane because it covers and surrounds Which part of an egg is most similar to the cell membrane?the egg and it protects it. It allows heat and other things to come in and out of it.
Final answer:

The egg's shell is most similar to the cell membrane, or plasma membrane. Both serve as semi-permeable barriers, offering protection and regulating the exchange of materials.

Explanation:

The part of an egg that is most similar to the cell membrane, often referred to as the plasma membrane, is the egg's shell. The plasma membrane and the egg shell both provide a protective barrier for the inside contents, regulate which materials can pass in or out, and are semi-permeable, meaning they allow certain molecules to pass through, while preventing others.

The plasma membrane is primarily composed of back-to-back phospholipids (a "bilayer"), cholesterol, and various proteins within the membrane, contributing to its functionality and fluidity. Similarly, an egg shell provides protection and regulates the permeability, allowing for the exchange of carbon dioxide and oxygen necessary for the developing embryo in the egg.

It's also noteworthy to mention that similar to the cell membrane in a cell, the egg shell in an egg separates the interior of the egg, containing the albumin and yolk providing nutrients to the embryo, from the external environment, thereby playing a significant role in maintaining a stable internal environment.

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Which type of drug-induced hormonal imbalance is likely to be observed in the client undergoing treatment with demeclocycline?

Answers

Demeclocycline or declomycine is a tetracycline antibiotic used to treat bacterial infections such as acne, bronchitis, etc. It is also used to treat SIADH (Syndrome of Inappropriate Antidiuretic Hormone).
Demeclocycline also leads to drug-induced hormonal imbalance by antagonistically affecting the anti-diuretic hormones. It interferes with the cellular action of anti-diuretic hormones. 

Answer;

Diabetes insipidus;

Explanation;

-Demeclocycline is a drug that can cause diabetes insipidus.

-Diabetes insipidus is a type of drug-induced hormonal imbalance that is likely to be observed in the client undergoing treatment with demeclocycline.

-Demeclocycline is a broad-spectrum antibiotic effective against a large range of gram-positive and gram-negative bacteria.

-The drug induces nephrogenic diabetes insipidus (dehydration due to the inability to concentrate urine).

The average pea pod contains about 7 peas. the round shape of peas is determined by a dominant allele (r). if heterozygous round pea plants (r/r) are self-fertilized, what proportion of pods in the f1 plants will have all round peas?

Answers

Final answer:

It is not possible to definitively determine whether the round pea parent plant is homozygous or heterozygous with the data of three round pea plants; however, if the plant is heterozygous, the probability that three randomly chosen offspring will all have round peas is roughly 42.2%.

Explanation:

In pea plants, having round peas is a trait caused by a dominant allele denoted as 'R', whereas wrinkled peas are associated with the recessive allele 'r'. A test cross involving a rr pea plant (wrinkled peas) and a plant with round peas of unknown genotype resulting in all round pea offspring does not definitively tell us if the round pea parent plant is homozygous dominant (RR) or heterozygous (Rr) because the presence of only round peas in the offspring could occur by chance even if the unknown parent were heterozygous.

When dealing with a heterozygous round pea plant (Rr), for each individual offspring, there is a 3/4 chance that it will exhibit the dominant round pea phenotype. Therefore, the probability that a random sample of three offspring will all show the round pea phenotype is calculated by multiplying the individual probabilities: (3/4) * (3/4) * (3/4) = 27/64 or approximately 0.422, which is higher than one-eighth as previously stated.

If heterozygous round pea plants (Rr) are self-fertilized, approximately 75% of the pods in the F1 generation will have all round peas.

In classical genetics, the principles of Mendelian inheritance can be applied to predict the outcomes of genetic crosses.

The round shape of peas is determined by the dominant allele (r), while the recessive allele (r) results in wrinkled peas.

When heterozygous round pea plants (Rr) are self-fertilized, the Punnett square can be used to determine the possible combinations of alleles in their offspring, known as the F1 generation.

In this case, the genotype of the heterozygous round pea plant (Rr) can produce two types of gametes: one carrying the dominant allele (R) and the other carrying the recessive allele (r).

The possible combinations of these gametes in the F1 generation include RR (round) and Rr (round).

Since both RR and Rr genotypes result in a round phenotype, the proportion of F1 plants with all round peas is the sum of the proportions of these two genotypes.

The genotype RR represents one-fourth (25%) of the possible combinations, and Rr represents half (50%).

Therefore, the proportion of F1 plants with all round peas is 25% (RR) + 50% (Rr) = 75%.

In , if heterozygous round pea plants (Rr) are self-fertilized, approximately 75% of the pods in the F1 generation will have all round peas.

Other Questions
* HELP* This is economics!! 1.)Which of the following is a disadvantage of mass production? A. Lost jobs B. Job gains C. Increased profits D. Productivity gains2.) Each worker doing a small part of the overall manufacturing process is known as A. automation. B. specialization. C. appreciation. D. interchangeable parts.3.) Which of the following is a disadvantage of the sole proprietorship form of ownership? A. Unlimited liability B. Control over the business C. Split responsibility D. Limited liability4.) The period of time when business slows, workers are laid off, and GDP declines is what part of the business cycle? A. Expansion B. Recession C. Trough D. Peak5.) The government has an interest in promoting competition between businesses because competition results in A. lower prices and lower-quality products B. higher prices and lower-quality products C. higher prices and higher-quality products D. lower prices and higher quality of products6.) Which of the following is an advantage of the sole proprietorship form of ownership? A. Limited liability B. Split responsibility C. Control over the business D. Unlimited liability7.) Which of the following groups decides who sits on the board of directors of a corporation? A. The US government B. Consumers C. American voters D. Shareholders8.) Limited liability is an advantage of what form of business ownership? A. Partnership B. Franchise C. Sole proprietorship D. Corporation9.). The plan for how the government will raise and spend money is known as the A. federal budget. B. federal treasury. C. spending plan. D. Federal Reserve.10.) Which of the following is a reason for the growth of federal government spending? A. Deflation B. Growing population C. Shrinking population D. 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