Which of the following best describes the main purpose of the sequences of nitrogenous bases in DNA? *


A gives DNA the shape needed for translation

B prevents mutations when coding for amino acids

C forming the hydrogen bonds between bases

D carries instructions for the traits of an organism

Answers

Answer 1
The answer is : D carries instructions for the traits of an organism
Answer 2

The sequences of nitrogenous bases present in the DNA is that they carry instructions for the traits of an organism. The information is passed in the form of DNA to next generation. Thus, the correct option is D.

What are Nitrogenous bases?

Nitrogenous base is a molecule which contains nitrogen and has specific chemical properties of base. Nitrogenous bases are classified into two types on the basis of ring present: a. Pyrimidine b. Purine.

Purine is a heterocyclic compound composed of a pyrimidine ring fused with an imidazole ring. It includes Adenine and Guanine. Pyrimidine is a heterocyclic compound that is composed of carbon and hydrogen similar to pyridine. It includes Cytosine, Thymine and Uracil.

Nitrogenous bases are important as contain the information to be transferred to offspring and they also used as energy carriers in biochemical reactions.

Therefore, the correct option is D.

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Related Questions

are these correct ? im not too sure thank you

Answers

Answer: Not quite.

Explanation: Photosynthesis takes place in the chloroplast, not cellular respiration. The reactants of photosynthesis are carbon dioxide and water and the products are glucose and oxygen. The reactants of cellular respiration are glucose and oxygen and the products are carbon dioxide and water.

What are many earthworks intended to do?

Answers

Answer:

Earthworks are intended to appreciate nature in different ways.

Explanation:

The beauty of nature and the relationship of nature were shown in the earthworks.

Earth-works:

It was an art movement during the 1960s- 1970s especially in Great Britain.  It is also known as land arts.

In this trend, artists create arts on land far away from the population center. Artists use the soil, stones, and vegetation to create an earthwork. From their artwork, they want to show the connection between humans and nature.

Some of them are small sculptures while others are very large. For example-  titled Spiral Jetty was created in the Great Salt Lake extended up to 1500 feet.

Therefore, many earthworks are intended to show the beauty of nature.

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Which statement is true about cellular respiration and photosynthesis

Answers

Answer:

Where are the statements

Explanation:

The map below shows the State and Local Air Monitoring Stations (SLAMS). Each red dot represents one of nearly 4,000 air quality monitoring stations in the SLAMS network. Data from these stations is compiled so that levels of air pollutants can be assessed by the Environmental Protection Agency.


Image courtesy of the EPA

Suppose that recent data from the SLAMS network showed a general rise in air pollution levels. What would such data most likely suggest?
A.
That stricter air quality controls are necessary to reduce emissions.
B.
That air quality controls are no longer needed to reduce emissions.
C.
That the SLAMS network as a whole is not functioning properly.
D.
That air quality controls need to be relaxed to reduce emissions.

Answers

Answer:

Explanation:

A. is the correct answer

Choose the correct answers from the drop-down menus.
What are the rangers doing to restore the population of the Sierra Nevada yellow-legged frogs?
If the organisms that preyed on and competed with the yellow-legged frogs were removed from the affected lakes,
what would most likely happen to the population of the garter snakes?

Answers

Answer: 1) B 2) A

Explanation:

Answer:

1. removing fish from affected lakes

2. Its population will increase

Explanation:

A plant takes in carbon dioxide (CO2) from the atmosphere and uses it to make glucose (C6H12O6) through photosynthesis. Later a deer eats the leaves of the plant obtaining the plant’s glucose. After respiration, the deer exhales carbon dioxide (CO2) back into the atmosphere. This is an example of _________________.

Answers

Answer:

the carbon cycle

Explanation:

The carbon cycle is illustrated by a plant using photosynthesis to create glucose from CO2, which is then consumed by a deer. After metabolizing the glucose through cellular respiration, the deer releases CO2 back into the atmosphere.

A plant takes in carbon dioxide (CO2) from the atmosphere and uses it to make glucose (C6H12O6) through photosynthesis. Later a deer eats the leaves of the plant, obtaining the plant's glucose. After respiration, the deer exhales carbon dioxide (CO2) back into the atmosphere. This is an example of the carbon cycle.

During this carbon cycle, carbon dioxide is used by plants to make carbohydrates such as glucose. Through the process of photosynthesis, they convert atmospheric carbon dioxide into organic carbon, with oxygen being released as a byproduct. When an animal like a deer consumes the plant, it takes in the carbon within the glucose. Through cellular respiration, animals metabolize the glucose, which combines with oxygen to produce carbon dioxide, water, and energy. The carbon dioxide, now a byproduct of respiration, is released back into the atmosphere, completing the cycle.

1. What's the primary way that fungi spread and reproduce on Earth?
2. What's the role of mycorrhizae in plants? What kind of relationship is this?
3. What are the three main substances that fungi are able to turn into usable forms for other organisms?
4. What's one way that fungi help to maintain homeostasis in ecosystems?
5. Why is it helpful that fungi attack and kill other parasitic organisms?

Answers

Answer:

1. The primary way that fungi reproduce and spread their species on Earth is through spores. These spores are carried by the wind or by other organisms.

2. The role of mycorrhizae in plants is that they live in the roots of plants and turn unusable matter into minerals and water for the plants. The plants also provide energy and a place for the mycorrhiza to live.

3. The three main substances that fungi convert into usable forms for other organisms are phosphorus, nitrogen, and carbon.

4. Fungi break down organic matter and convert it into usable nutrients.

5. It's helpful that fungi attack and kill other organisms that are parasitic because these parasitic organisms can wreak havoc on the ecosystem. The fungi help to protect other species and populations by controlling and curbing the growth of the parasitic organism.

Explanation:

Penn Foster

6. Fungus is an organism not drawn in the above
food chain although it has a very important
role. Describe an important role of organisms
such as fungi and bhacteria:

Answers

Answer:

Fungi and bacteria help other things such as wast and minerals break down and reproduce. They are very important role of organisms. Without them our grounds would be full of trash and non broken down minerals. Our lands would be toxic on the outside, and many animals would die. It isn't on the food chain because, nothing really eats it, because some are toxic, but we also need them for the environment and breaking down things.  

Explanation:

I searched it up. I hope this helps! Have a nice day. Bye. :)

Organisms like fungi and bacteria are not drawn into the food chain because they perform the role of decomposers in nature. While the food chain gets initiated with the producers which are plants.

What is a Food chain?

The food chain may be defined as the process through which the transfer of energy from producers to top consumers through a series of organisms. One organism can hold only one position. The flow of energy is very easy to calculate.

Both fungi and bacteria break down the complex substance into smaller components which are easily consumed by plants and other organisms. They make the earth free from toxic compounds by breaking them into smaller usable forms. So, they are also known as the sweepers of the environment.

Therefore, fungi and bacteria perform the role of decomposers in nature.

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What is the photosynthetic structure of plants

Answers

Answer:

What is the photosynthetic structure of plants?

The photosynthetic structure of plants is chlorophyl

Explanation:

Chlorophyls is contained in the chloroplast, it is the chlorophyl that gives green pigmentation that traps sunlight and enhances photosynthesis

Which action would be completed by skeleton muscle tissue

Answers

Answer:

Kicking a soccer ball

Explanation:

1.  digesting lunch

2. Blood moving through arteries

3. increasing the heartbeat

4. kicking a soccer ball

Answer:

D: Kicking a soccer ball

Explanation:

A fish tank is a type of human-made ecosystem. Which of the following lists only abiotic factors found in a fish tank ecosystem?
A. water, fish, constant temperature
B. snails, tank, water filter
C. water filter, rocks, plants
D. water, oxygen, constant temperature

Answers

D. Water, Oxygen, Constant temperature

The answer is D water,oxygen,constant temperature

All living things are made of one or more cells. Here are two types of cells: an animal cell and a plant cell. Explain why animal cells do not have the organelle called the chloroplast but the plant cell does.
A) Plants do not move but animals do move. Because plants do not move they need the chloroplast for protection.
B) Plants make food, glucose, through photosynthesis in the chloroplast.
C) Animals undergo photosynthesis to stay alive and for this, they use the chloroplast.
D) The chloroplast helps plant cells regulate the water that moves in and out of the vacuole.

Answers

Answer:

B) Plants make food, glucose, through photosynthesis in the chloroplast.

Plants make food, glucose, through photosynthesis in the chloroplast. Therefore, option (B) is correct.

What is a chloroplast?

A chloroplast is an organelle found in plant cells and some protists that is responsible for photosynthesis. It contains a green pigment called chlorophyll, which is responsible for the plant's green color and helps absorb light energy from the sun. The chloroplasts use this energy, along with carbon dioxide and water, to produce glucose and oxygen through a process called photosynthesis.

Chloroplasts are unique because they have their own DNA and can replicate themselves. They are also surrounded by a double membrane that helps regulate what enters and exits the organelle. Within the chloroplast, there are stacked structures called thylakoids, which contain chlorophyll and other pigments. The thylakoids are arranged in stacks called grana, and the space between the grana is called the stroma. The stroma contains enzymes that are essential for the reactions of photosynthesis. Chloroplasts play a crucial role in the survival of plants and the food chain, as they are responsible for producing the energy that supports most life on earth.

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What do arrows in a food chain and food web represent?

Answers

Answer:

They represent where the flow of energy is going. Ex; a fish with an arrow pointing to a bear. The energy of the fish goes to the bear after the bear consumes the fish.

It represents where the energy goes next. If grass has 1000% energy a grass hopper will only get 100%. When the bird rates the grass hopper it will get 10% energy. When fungi eats the bird it will get 1% of its energy.

Just extra info for the future :)

what does the mitochondria do for our body, what benefits does it give?

Answers

Answer: Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.

Explanation:

Answer:

Mitochondria provides energy to the body.

Explanation:

Mitochondria is an important organelle of the cell. Mitochondria is also called power house of the cell because it generates energy in the form of Adenine tri phosphate (ATP) by the breakdown of glucose molecules in the process of respiration. In the presence of oxygen, mitochondria produce more ATP while without oxygen very low ATP is produced.

why do religious people refuse to except the theory of evolution?

Answers

Answer:

because they are set on their beliefs and on how the way the world should be and or act based on their religious book (bible) teachings

Explanation:

Answer:

why do religious people refuse to except the theory of evolution?

Scientists believes that human evolved which contradict beliefs by religious people as they believe that God created everything while science believes that human evolves from smaller organisms to bigger ones with different theory such as big bang theory among others

Explanation:


Before the Industrial Revolution (top picture), the bark of the trees was
light-colored. After the Industrial Revolution (bottom picture) the bark of
the trees was covered in soot and became dark-colored. The dark-colored
moths were then better suited for this new environment. This is an example
of *

Answers

This is an example of evolution through natural selection. The peppered moths started off with a light color scheme when the industrial revolution started, and they had this to blend into the trees. The better the moths could blend in, the less likely they were to be preyed upon. Once the trees changed colors, the light moths were vulnerable. The months that thrived in this change were the darkly colored moths. These moths then bred and spread their dark color pattern to best fit into the new environment.

Choose the correct sequence of the prokaryotic operon. A) gene, operator, promoter B) promoter, operator, gene C) operator, promoter, gene D) operator, gene, promoter

Answers

Answer:

The correct answer is option B, that is, promoter, operator, gene.

Explanation:

In a prokaryote, just in front of the operator, the promoter is located, and just in front of the structural genes, the operator is located. All these in combination give rise to an operon.  

Any gene, which codes for an enzyme or a structural protein is termed as a structural gene, in the lac operon, a structural gene codes for three distinct kinds of enzymes. A short sequence of DNA is situated just in front of the structural gene, which is known as the operator. An operator functions as a switch for transcription, that is, it monitors whether the process of transcription will take place or not.  

Just in front of an operator, a sequence of a promoter is present, and for the transcription and translation of all the structural genes, the RNA polymerase needs to combine first with the promoter. In case, if no transcription is to take place, then the operator allows the repressor to bind with it and prevent the attachment of RNA polymerase with the promoter. Hence, the correct sequence of a prokaryotic operon is a promoter, operator, and gene.  

Which organism will have DNA most similar to the bird? Why?

Answers

The organism that has DNA most similar to the bird is a crocodile.

What is DNA?

The full form of DNA should be deoxyribonucleic acid representing the molecule that comprises of the genetic code of organisms. This involved animals, plants, bacteria. etc. Also, it should be in the each and every cell in the organism.

Also, the crocodiles should be the closest living relative as compared to the birds that shared the common ancestor which live approx 240 million years ago.

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Define climate




Please and thanks

Answers

Answer: Climate is the long-term average of weather, typically averaged over a period of 30 years. Some of the meteorological variables that are commonly measured are temperature, humidity, atmospheric pressure, wind, and precipitation.

Explanation:

Answer: climate means weather

Explanation:

climate means the weather that can take place in a setting for example in a rainforest in is mostly rainy and a little foggy that would be the climate there in the rainforest so basicly climate is where weather is expected or takes place.

hope this helps(:

Differentiate between density dependent and density independent limiting factors and give at least two examples from the lesson of each

Answers

Answer:

Density-dependent limiting factors depend on the size of a population.

Density-independent limiting factors affect all populations the same, regardless of population size.

Density-dependent limiting factors include disease, parasites, competition for food, water, and shelter, and predaters

Density-independent limiting factors include natural disasters, climate, and human activity.

Explain

Put your faith in it

Answer:

Density-dependent limiting factors depend on the size of a population.

Explanation:

Density-independent limiting factors affect all populations the same, regardless of population size.

In which structure is all the genetic information of an organism found?

Answers

Answer: The DNA

Explanation:

How are stars classified?

Answers

Answer:

Stars are classified by their spectra (the elements that they absorb) and their temperature. There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M.

Explanation:

O and B stars are uncommon but very bright. M stars are more common but dim.

mostly in summary by their spectra! hope this helped

A certain reptile species is a herbivore and exists only on an isolated island. Which of the following would most likely result in the extinction of the reptile species over a period of twenty thousand years?
A. The reptile species produces many offspring with many unique traits, and the vegetation remains constant.
B. The reptile species produces few offspring with some unique traits, and the vegetation remains constant.
C. The reptile species produces few offspring with no unique traits, and the vegetation changes quickly.
D. The reptile species produces many offspring with some unique traits, and the vegetation changes slowly.

Answers

Answer:

i think its b

Explanation:

Final answer:

Option C, where the reptile species produces few offspring with no unique traits, and the vegetation changes quickly, would most likely result in the extinction of the reptile species over a period of twenty thousand years.

Explanation:

The most likely scenario that would result in the extinction of the reptile species over a period of twenty thousand years is option C. This is because if the reptile species produces few offspring with no unique traits, and the vegetation changes quickly, the species will not have the ability to adapt to the new environment and may struggle to find enough food to survive.

Without the ability to adapt and thrive in the changing vegetation, the reptile species would likely face extinction over time.

PLEASE ANSWER. WILL MARK BRAINIEST.

Where does the pancreatic duct carry its sections?

Answers

Answer:

This large duct carries the digestive enzymes and bicarbonate down the length of the pancreas, from the tail to the head section, and into the duodenum. The common bile duct also runs through the head section of the pancreas, carrying bile from the liver and gallbladder into the small intestine

Explanation:

What are 2 ways that meiosis leads to genetic variation? How do they lead to variation?

Answers

Answer:

1. Through random mutations that happen during the reproductive process.

2. Different pairs of chromatids join together

Select the correct answer.
Which of the following is the correct explanation for linked genes?
O A.
genes located on the same chromosome and inherited together
O B. genes located on different chromosomes but inherited together
OC. genes located on mutated chromosomes that are inherited together

Answers

Answer:

genes exist in different forms, which we now call alleles. ... 2.11 In human beings, the gene for b-globin is located on chro- ... 3.22 The following pedigree shows the inheritance of a domi- ... 4.6 A woman with type O blood gave birth to a baby, also ... phase so that the two X chromosomes disjoin together.  Option (B)

Explanation:

your answer should be b

During the movie, Mufasa talks to Simba about the kingdom. He says “Everything you see, exists together in a delicate balance… you have to respect every living thing from the tiny ant to the antelope.” Why do you think that Mufasa believes that all living things are important?

Answers

Answer:

Explanation:

Look i was supposed to play simba in the lion king so i know this. He says that because he is king so he has to make sure his kingdom is great or else people will turn on him. Hope this helps!!!

Answer:

The food chain is balanced and when there is is too many or too little of something somethingelse will over populate or have too little making more of something else making whatever that thing eats scarse and causes a chain reaction.

Explanation:

Continents are made of_____.

A.) played
B.) lithosphere
C.) crystal rock
D.) mantle rock

Answers

the answer is d.) mantle rock

A continent is a large land mass and its surrounding shallow continental shelf. Both are composed primarily of granite, which is lighter than the liquid mantle of the Earth and therefore floats upon it like cork on water.

Granite would be the correct answer but i see you don't have that there, Lithosphere i would say may be the right answer. or this

The continents are made out of relatively brittle rock called the "Crust"

help is my example biotic or abiotic?

Answers

Answer: The answer is BIOTIC

Explanation: I SHOULD BE BRIANLIEST ;)

state two adaptations of capilaries to their functions​

Answers

Answer

There arteries and the blood vessels

Explanation:

Answer:

Capillaries have walls only one endothelial cell thick, meaning their walls are very thin. This makes them well adapted for gas exchange, as substances only have to diffuse over a short distance.

Explanation:

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