Which of the following molecules is the subunit of DNA that links together to form strands of DNA?
A.
a polymerase
B.
a nucleotide
C.
a codon
D.
a phosphate base

Answers

Answer 1

Answer:

the answer is a nucleotide


Related Questions

Which chemical compund is formed during photosynthesis ?

Answers

Answer: carbon dioxide / CO2

During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose

True or false? Prokaryotic cells are simple and make up single-cellular and multi-cellular organisms.


Answer: False

Answers

Answer:

TRUE BECAUSE SINGLE CELLULAR ARE ORGANSISM.

Explanation:

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PLEASE HELP TWO QUESTION !!!!!!!!!!!! (2O POINTS!)

q1
Mosquitoes have many interesting sensory abilities. They have chemical sensors that can sense body sweat, humidity, and CO2 and they have heat sensors to find warm-blooded animals. What is the purpose of these sensors?

A For movement
B For obtaining food
C For protection
D For mating

q2
An artic fox develops a white coat of fur during the winter. This adaptation allows an organism to defend itself by blending into its environment called__?

A shedding
B migration
C hibernation
D camouflage

Answers

A, d, it is A and D

Which of these organisms are herbivores?
producer
primary consumer
decomposer
scavenger

Answers

It should be “primary consumer”,

because everything else eats the primary consumer which eats the producer

Climates are classified on_________​

Answers

Climates are classified on seasonal precipitation and temperature patterns.

Since self-driving cars have software that may potentially make life-or-death decisions, who must utilize ethical principles to judge those decisions? Select 2 options.
manufacturers who make the body of the car
governments who regulate the car industry
no one since the artificial intelligence software mimics human behavior
transportation departments that make the roads
the programmers who create the software that control the car

Answers

The utilization of ethical principles to judge the decisions are: no one, since the artificial intelligence software mimics human behavior, the programmers who create the software that control the car.

What are self-driving car?

Self-driving cars are the autonomous vehicles. These cars don't need a driver. These cars will run by themselves.

These cars are not launched currently, but work is in progress, self-driving cars will sense the people and any obstacle by the sensors.

Thus, the correct option is C, no one since the artificial intelligence software mimics human behavior and E, the programmers who create the software that control the car.

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Answer:

the programmers who create the software that control the car

governments who regulate the car industry

Explanation:

Which of these would cause the most physical weathering?
O A. A deep, fast-moving river
B. Sand being blown across a field
O C. The roots of a large tree
D. A shallow, slow-moving river

Answers

The roots of a large tree will cause the most physical weathering.

What is Physical weathering?

This is the process that causes the disintegration of rocks, mineral, and soils without chemical change.

The roots of a large tree grow into rocks and cracks thereby resulting in a large amount of weathering taking place.

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Answer:

its D

Explanation:

What is the relationship between the curve seen in the graph and the environmental health of the oceans?
An increased population will result in the improved environmental health of the oceans due to more scientists inventing better technologies.
An increased human population size means that the ocean's resources will be used more efficiently.
As the population goes up, the oceans are more likely to be used as a habitat for humans.
As the population increases, more demands are put on the ocean to support human life.

Answers

Answer:

As the population increases, more demands are put on the ocean to support human life.

Explanation:

Many countries rely on the ocean for transport and as food sources. Over fishing has continuously been a growing problem as more and more fish are required to sustain populations as well as support more gourmet markets. A higher population will also lead to higher trade rates as more materials that aren't available in one country will need to be imported from others.

Is the highlighted group a class or a clade?

A.
It is a clade, because not all of the descendants of the ancestral species are included.
B.
It is a class, because not all of the descendants of the ancestral species are included.
C.
It is a clade, because the cladogram does not show that the group is descended from a common ancestor.
D.
It is a class, because the cladogram does not show that the group is descended from a common ancestor.

Answers

Although we do not have access to the diagram to provide a complete answer, we can confirm that a clade is when all members of the group being highlighted belong to a common ancestor.

What is a clade?

As stated, this is when the members of a depicted group belong to the same ancestor. It would be a clade if the organisms present are all descendants of a common ancestor, such as the class Aves or birds.

Therefore, we can confirm that a clade is when all members of the group being highlighted belong to a common ancestor.

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What happens to sunlight photons?

Answers

Answer:

All of the infrared photons are absorbed and re-radiated by the glass pane.

Sunlight photons interact with the Earth's atmosphere, scattering, absorbing, and transmitting, influencing weather, photosynthesis, and regulating the planet's temperature.

When sunlight photons reach the Earth's atmosphere, several interactions occur. First, a fraction of photons is absorbed by atmospheric gases, which excite their molecules. Some photons are scattered in various directions due to Rayleigh or Mie scattering, making the sky appear blue and contributing to diffuse light. Next, photons that pass through the atmosphere may interact with clouds, dust, and aerosols, leading to further scattering and absorption.

Eventually, the remaining photons reach the Earth's surface and may be absorbed, reflected, or transmitted. The absorbed photons can warm the Earth, driving weather patterns and supporting photosynthesis in plants. Reflecting and transmitting photons play a crucial role in regulating Earth's temperature and energy balance.

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The complete question is:

What happens to sunlight photons when they reach the Earth's atmosphere?

Guys, can you please be so generous to help me out

Answers

Answer:

Here you go. Sorry for taking so long.

Explanation:

HELP ME OUT PLS!!!!!!!

2) The rotational periods of four planets are listed in the table. Which of these planets has the SHORTEST day?

A) Earth

B) Jupiter

C) Saturn

D) Uranus​

Answers

Jupiter because if it has less hours than it has less days
jupiter because the day is only 10
hours long.

A population of mosquito larvae is living in a large pond. Mosquitofish are a type of fish that eat mosquito larvae. Which of the following describes a direct effect on the population of mosquito larvae when mosquitofish are introduced to the pond? *
A: immigration decreases
B: births decrease
C: emigration increases
D: deaths increase

Answers

Answer:

C.  emigration increases

Explanation:

Just took the test

Identify the plant phylum based on the description.
A tree that can be found in the mountains and produces seeds in cones is a type of
A tree that produces blossoms that can be fertilized and develop into fruit is a type of
This low-lying plant that requires damp surfaces and does not have a system to transport water is a

Answers

A tree that can be found in the mountains and produces seeds in cones is a type of gymnosperm.A tree that produces blossoms that can be fertilized and develop into fruit is a type of angiosperm. This low-lying plant that requires damp surfaces and does not have a system to transport water is a bryophyte.

How are plants classified?

Plants are a group of living organisms that belong to the kingdom Plantae.

They possess certain characteristics that distinguishes them from one another, hence, subdivision into phylum.

The Phyla of Kingdom Plantae are as follows:

Bryophyta: They are regarded as primitive plants with no mechanism for transporting water or nutrients.Angiosperms: They are regarded as flowering plants because they possess flowers that become fruits when fertilized.Gymnosperms: They are higher plants that do not produce fruits i.e. they bear their seeds in cones.

Therefore, the correct placement of each description is as follows:

A tree that can be found in the mountains and produces seeds in cones is a type of gymnosperm.A tree that produces blossoms that can be fertilized and develop into fruit is a type of angiosperm. This low-lying plant that requires damp surfaces and does not have a system to transport water is a bryophyte.

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Answer:

conifer, flowering plant moss

Explanation:

justtook assignment

Which is a no renewable source of energy?

Answers

Answer:

C) natural gas

Explanation:

Wind, water, and sunlight are abundant and easily renewable for energy. Natural gas is the only option that becomes more scarce as it is extracted from the earth.

HELP ME OUT PLS!!!!!!!!

7) If there is a third-quarter moon on July 2, what is the approximate date of the next full moon?

A) July 9th

B) July 16th

C) July 23rd

D) July 30th​

Answers

Answer:

A -- July 9th

Explanation:

I say July 9th because A full Moon happens roughly every 29.5 days. This is the length of time it takes for the Moon to go through one whole lunar phase cycle.

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

Why does a bird reproduce more birds and not more mammals? ​

Answers

cuz birds arent mammals ?????????? birds can only reproduce their own species


The diagram below represents one way an enzyme can be inhibited (stopped).

Which statement explains the effect of an inhibitor on an enzyme?
The substrate will not be able to attach to the enzyme's active site.
O The enzyme will likely be attacked by immune cells.

Answers

Answer:

The answer is The substrate will not be able to attach to the enzyme's active site.

Because the function of inhibitors is to block the enzyme's activity

Explanation:

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The substrate will not be able to attach to the enzyme's active site. So the correct option is A.

What is an enzyme inhibitor?

The inhibition is carried out by inhibitors that do not advance the product's development. The inhibitors may affect the enzyme as well as the substrate. Enzyme inhibition is the term used to describe the cessation of enzyme activity.

These enzyme inhibitors can bind to active regions and prevent further action by stopping it. Both reversible and irreversible forms of binding are possible. The ability of an inhibitor to block an enzyme may be irreversible or reversible depending on its unique function. Enzyme inhibitors can block the binding site, which reduces the enzyme's catalytic activity by preventing the substrate from binding to the active site.

Reversible inhibitors bind to enzymes by non-covalent interactions such as ionic bonds, hydrogen bonds, and hydrophobic contacts. Reversible inhibitors do not conduct chemical reactions when they are linked to an enzyme and are quickly removed by dilution or dialysis.

However, irreversible inhibitors usually covalently change an enzyme, making it impossible to reverse inhibition.

Therefore, the correct option is A.

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Which of the following are true about the peripheral nervous system?
O A. Contains all the neural structures outside the brain and spinal cord.
B. It is divided into the somatic and autonomic nervous systems.
O C. It controls voluntary movements
O D. Includes the brain stem and the cerebellum
E. Dorsal and ventral horns fuse laterally to form spinal nerves.
OF. It's white matter includes the ventral, dorsal, and lateral white columns
O G. It's gray matter includes: gray commissure, dorsal horn, ventral horn, and lateral horn.
o H. It contains cranial and spinal nerves, ganglia, sensory receptors, and efferent motor endings

Answers

Answer:

pick one

Explanation:

big deal if you have it wrong

can any mountain have a volcano erupt from it?

Answers

Answer:

no

Explanation:

Can any mountain have a volcano erupt from it? The easiest answer here is no. However some mountains are volcanoes (Mt Kilimanjaro, Mt Etna….), they can definitely erupt if active or re activated.

7. What do sea spiders use for gas exchange?

Answers

Answer:

sea spiders are marine arthropods that lack gills and rely on cutaneous respiration but still grow to large sizes. Their cuticle contains pores, which may play a role in gas exchange

how do forensic scientists recover writing from a burned document?

Answers

The documents should be picked with the utmost care by placing hard paper underneath the charred documents. A stiff sheet of paper is stuffed underneath the charred documents in the fireplace and then gently pulled over to keep it on stiff cardboard.

Which of the following animals are examples of vertebrates? 
a. elephants, snakes, sea sponge, earthworms b. humans, hawks, sun fish, bullfrogs
c. humans, ants, spiders, bullfrogs
d. butterflies, clams, earthworms, jellyfish ​

Answers

Answer:

B: humans, hawks, sunfish, bullfrogs

Explanation:

B. Humans, hawks, sun fish, bullfrogs

What scientific term is a well-tested explanation for a set of observations or experimental results?

Answers

Answer:

A scientific theory is a well-tested explanation for a wide range of observations or experimental results.

Explanation:

Which material would most likely contribute to the formation of humus?

A.
basalt

B.
granite

C.
grass

D.
salt

Answers

Answer:

Encyclopedic entry. Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up.

Protist that uses a flagella for movement

Answers

Answer:

Giardia

Explanation:

Which of following has the least ecological tolerance to severe storms?

A very small island
A mainland coastal region
An inland area away from water
An island close to the mainland

Answers

a very small island

·Why does it make sense that blood flow varies throughout different organs

Answers

It is important that blood flow varies throughout different organs because of differences in the metabolic activities of the different organs.

What is the circulatory system?

The circulatory system refers to the system of organs and tissues which are involved in the circulation of blood around the body.

The circulatory system performs the essential function of delivering nutrients to tissues and cells as well as removing metabolic waste from them.

Since the different organs in the body perform specialized functions, some organs are actively involved in metabolic activities, therefore need greater blood flow.

Therefore, blood flow varies throughout different organs because of differences in their metabolic activities.

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Which of these is NOT one of the 4 chemicals used in DNA?

A. Adrenaline

B. Cytosine

C. Thymine

D. Adenine

Answers

Answer:

A. Adrenaline

Explanation:

adrenaline is a hormone

Answer:

A. Adrenaline

Explanation:

A is NOT correct because the actual 4 chemicals in DNA are Adenine,Cytosine, Thymine and Guanine.

Adrenaline is NOT part of the 4 chemicals of the DNA, which makes A correct answer.

ABO blood group determination is a example of

Answers

ABO blood group determination is a example of multiple Alleles.

What is Multiple Alleles?

Multiple alleles refer to a type of non-Mendelian inheritance pattern that comprises of more than the normal two typical alleles that is dorminant and recessive alleles that usually code for a certain characteristic in a species.

Examples of multiple Alleles is the genes of ABO blood group determination.

Therefore, ABO blood group determination is a example of multiple Alleles.

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