Which two of the following form the base pairs in DNA?

Answers

Answer 1

Answer:  These 2 are called the double helix made up of sugar and phosphate groups. Attached to each sugar is one of four bases--adenine, cytosine, guanine, and thymine.


Related Questions

Is a river an abiotic or biotic factor

Answers

It’s an abiotic factor because it’s not living.

Is a river abiotic or biotic? A river is an abiotic factor.

Why? A biotic factor is anything living or used to be living while a biotic factor is something that is nonliving and was always non-living like a rock.  

Consider a simple food web. Assume that the grass 1000 Kcal of energy. Using your understanding of energy transfer, evaluate each of the statements provided choose all that are correct.

A) There is 100 Kcal available to the snake
B) There is 1 Kcal of energy available to the hawk
C) There is 10 Kcal available to the shrew
D) There is 100 Kcal available to the rabbit
E) There is 900 Kcal available to the grasshopper

* Select all that apply *

Answers

Evaluating each of the statements provided about energy flow in a food web, the correct statements are:

B) There is 1 Kcal of energy available to the hawkC) There is 10 Kcal available to the shrewD) There is 100 Kcal available to the rabbit

What is the flow of energy in a food web?

The flow of energy in a food web is the transfer of energy from one organism to another as they consume and are consumed by other organisms.

The energy flow in a food web typically starts with primary producers, such as plants, algae, and some bacteria, which convert sunlight or chemical energy into organic matter through photosynthesis or chemosynthesis.

For every higher level, only 10% of the energy of the lower level is transferred.

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A wasp lays eggs on an orb-weaving spider to...
a) force it to protect the wasp and it's larva.
b) make it provide a home and meal for it's larva.
c) use it to carry it's larva Long distance.
d) make it create a cocoon for the larva. ​

Answers

Answer:make it provide a home and meal for it's larva.

Explanation:i did a little bit of research, and the spider provides food and shelter for the larva

Create a food chain using the following: algae, tadpole, minnow, sun, Blue Heron, alligator. Make sure to include the arrows pointing in the correct direction.

Answers

Answer:

sun-->algae--> tadpole--> minnow-->Blue Heron--> alligator

Explanation:

The food chain for the following is: sun ---> algae ---> tadpole ---> minnow ---> Blue Heron ---> alligator.

What is food chain?"Food chain is the sequence of transfers of matter and energy in the form of food from organism to organism."

The food chain of the given organisms is as follows:

The sun is the ultimate source of energy. In its presence the green plants and algae make their own food.Tadpole is the larva of frog which gets its nutrition from the algae.Minnow are small fishes which eats larva. These are being eaten by blue heron (bird).At last the blue heron gets eaten by alligator.

The interconnection of more than one food chains are called food web.

Hence, the correct sequence is: sun ---> algae ---> tadpole ---> minnow ---> Blue Heron ---> alligator.

To know more about food chain here

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.
9.
I generally remain in the nucleus [in eukaryotic cells).
11.
I am made up of nucleotides.

Answers

Answer:

ADN

Explanation:

Pues el ADN permanece en el núcleo de las células eucariotas y en las procariotas está disperso por el citoplasma y sobre todo está formado por nucleótidos  

What causes the difference in humidity between Florida and Las Vegas

Answers

Answer:

yep

Explanation:

Little or no humidity is not so true anymore, with the building up and more greenery. Las Vegas the humidly is not at all that low as it once once

The difference in humidity between Florida and Las Vegas is primarily due to their geographic locations and climate patterns.

What causes the difference in humidity between Florida and Las Vegas?

Florida is located in the southeastern United States and is surrounded by water on three sides, with the Atlantic Ocean to the east, the Gulf of Mexico to the west, and the Straits of Florida to the south.

This proximity to water and the warm ocean currents that flow nearby create a humid subtropical climate, characterized by hot summers and mild winters with high levels of humidity throughout the year.

The low humidity in Las Vegas is due to the fact that the dry air has little moisture in it, leading to a lower amount of moisture in the atmosphere. Thus, there is a difference in humidity between Florida and Las Vegas.

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Q. How is the sex of the child determined in human beings ?
Please answer dis also..thanks!​

Answers

➜ In human beings, sex of the child depends upon which kind of male gamete fertilise the female gamete. If sperm carrying X chromosome fertilises the ovum carrying X chromosome, then the child born will be a girl. If a sperm carrying Y chromosome fertilises the ovum which carries X chromosome, then the child born will be a boy.

compared to gases liquids are not easily compressed because particles of liquids do what?

Answers

Answer:

LiquidsEdit

Because the particles can move, liquids don't have a definite shape, and they can flow. Because the particles are still packed close together, liquids can't easily be compressed and keep the same volume.

Explanation:

Answer:

particle of liquid exert pressure because they have low intermolecular space than compared to gas

What is the answer to this

Answers

Answer:

D

Explanation:

the female reproductive and endocrine system work interactively for which main purpose

Answers

To control hormone levels to prepare the body for pregnancy.

What kind of solution (hypertonic, hypotonic, or isotonic) is distilled water compared to the cell cytoplasm?

Answers

Answer:

i dont remember honestly

Explanation:

Two receptors bind to a same chemical messenger, but the concentration of this chemical messenger required to reach a certain number of bound messengers for one receptor is twice as great as the concentration for the other receptor. Thus, these two receptors have same ________, but different ________, to this chemical messenger

Answers

Answer:

binding specificity; affinity

Explanation:

Receptor binding specificity can be defined as the selectivity of a receptor to bind with a particular chemical messenger. Binding specificity is determined by the interaction between the chemical messenger and its specific receptor, as well as the binding site three-dimensional (3D) structure of both. This concept is contrary to receptor promiscuity, where a receptor can bind to many different chemical messengers. On the other hand, binding affinity can be defined as the overall affinity or avidity of binding. The binding affinity is determined by the accumulated strength of individual attractive forces between a chemical messenger (ligand) and its receptor.

Help
(1)THE BEGGAR: (outside) Bread. Bread. Give me some bread.
(2)THE KING: Ah! He is crying out again. His voice seems to me louder than it was before.
(3) THE SERVANT: Yes! He seems quite hungry.
(4) THE KING: That is not my business.
(5)THE SERVANT: Should I not perhaps fling him a crust from the window?
(6)THE KING: No! To feed a beggar is always foolish. Every crumb that is given to a beggar is an evil seed from which springs another fellow like him.
The playwright includes the metaphor in paragraph 6 to -
A. convey the king’s reason for not giving away food to beggars B. highlight the king’s change of heart C. suggest that the king only cares for himself D. compare the bread requested to seeds from something evil

Answers

It’s number 5 cause it sound right

1.plants produce carbon dioxide and water in the process of photosynthesis(true or false?)

2.most organisms depend on plants for oxygen(true or false?)

3.glucose is produced in the mitochondria of plants(true or false?)

4.cellular respiration occurs only in animals(true or false?)

5.chloroplasts release energy when they break down glucose(true or false)

6.both plants and animals depend on the carbon dioxide oxygen cycle(true or false?)

Answers

Answer:

Explanation:

1. true

2. true

3. false

4. false

5. true

6. true

Plz helpppppp!!!!!!!!

Answers

Answer:50%

Explanation:

Yes.

It’s either 50 or 25

PLEASE HELP (you’ll get 22 points for helping me). • 1 how an organism makes a living or fills a role
O B) habitat
O D) niche
O C) emigration
O A) endangered species

Answers

Answer:

habitat

Explanation:

I'm not that smart but I think when a organism adapts to a living is a habitat

the answer is B grrrr

wer the
Where is the energy of the
roller coaster cart entirely
potential?
A. When it moves up the hill at location A
B. When it stops for a brief moment at
location B
C. When it is traveling down the hill at
location C

Answers

Answer:

B. When it stops for a brief moment at location B

I think it is c so yeah

just a little help!

Answers

Answer:

Its C

Explanation:

Twins mostly share the same genes and genes can't mutate after birth

2. In the diagram below, west is to the left, east is to the right, and the observer is looking toward the north. What is the direction of the wind?

A. NE

B. NW

C. SE

D. SW

Answers

Answer: SW

Explanation:I got it wrong and it gives you the right answer so thats that

The direction of wind is SW direction. Hence option D is correct.

What is wind?

Wind is defined as the air movement brought on by the Earth's rotation and the sun's uneven heating of the surface. The uneven heating of the Earth by the sun and the rotation of the Earth result in wind, which is the movement of air. Light breezes to natural disasters like hurricanes and tornadoes are all types of winds. In addition to being a plentiful and limitless resource, wind also generates power without consuming any fuel or polluting the environment.

An anemometer can measure wind speed, and a weather vane or wind vane can detect wind direction. When put with anemometers, many wind vanes can be installed in numerous locations to calculate the overall wind profile of a specific area.

Thus, the direction of wind is SW direction. Hence option D is correct.

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Describe how protists are helpful and harmful to humans and other organisms
( put this in a paragraph please)
Also describe how fungi are helpful and harmful to humans and other organisms. ( put this in a paragraph also please)

Answers

Answer:

Plant-like protists produce almost one-half of the oxygen on the planet through photosynthesis. Other protists decompose and recycle nutrients that humans need to live.  For example, medicines made from protists are used in treatment of high blood pressure, digestion problems, ulcers, and arthritis. Fungi are very important ecologically, because they are one of the most important decomposers in most ecosystems. They help to break down plant fibers such as dead leaves and wood and allow the nutrients to be released into the soil. Fungi are useful to humans because they have economic value.

Hope this helps

Explanation:

What should the student do after he has collected and analyzed his data?
Write a lab report that summarizes his experiment
0 Share his results with his class and ask for their feedback
O
Remove all data that do not support his conclusions,

Based on scientific methods

Answers

Answer:

Write a lab report that summarizes his experiment

1. Which are the two important roles of the atmosphere?

Answers

The important role of the atmosphere is to supply oxygen, water, carbon dioxide and nutrients. It also protects all living things from extreme temperatures and radiation (protects us from harmful solar rays).

According to the graph, what were the results of the vaccination between 1954 and 1960?
A. The rate of polio remained the same.
B. The rate of polio decreased
C. The rate of polio decreased, then increased.
o
D. The rate of polio increased

Answers

Answer: B the rate of polio decreased

Explanation: looking at the graph, polio is going up around the year 1950-1960 but by 1970 when the March dimes organization vaccinated nearly 2 million people the people with polio began to decrease therefore its B

What factors can disrupt Earth's systems?

Answers

Answer:

Natural disasters and human activity.

Explanation:

1. overpopulation
2. pollution,
3. burning fossil fuels
4. deforestation.

BE
Be
DE
be
BE
BBEE
ВВЕe
BbEE
BbEe
Two fruit flies that are heterozygous for body color
and eye color are crossed. Brown body color is
dominant to black body color. Red eye color is
dominant to brown eye color.
Use the Punnett square to determine the ratio of
offspring with the described trait to the total
number of offspring:
Brown body and red eyes | I
Brown body and brown eyes
Black body and red eyes
Black body and brown eyes
Be
ВВЕe
BBee
BbEe
Bbee
DE
BbEE
BbEe
bbEE
bbEe
DONE
be
BbEe
Bbee
bbEe
bbee

Answers

Answer:

9 and 16 for the first row of boxes

3 and 16 for the second row

3 and 16 for the third row

1 and 16 for the last row

Explanation:

I did it on edge

The ratio of offspring with the described traits to the total number of offspring would be 9/16, 3/16, 3/16, and 1/16 respectively.

What are dihybrid crosses?

They are crosses involving two traits. when the traits are independent, the phenotypic ratio of the resulting offspring follows the ratio established by Mendel.

In this case, the two traits follow the Mendelian pattern and thus, assort independently.

Hence, the traits and their respective ratios would be:

Brown body, Red eyes - 9/16

Brown body, brown eyes - 3/16

Black body, red eyes - 3/16

Brown body, brown eyes - 1/16

More on dihybrid crosses can be found here: https://brainly.com/question/1185199

The muscle in Lanes arm would best be described as which of the following?

Answers

Answer:

what following

Explanation:

The "splitting apart" of cells is called :

options:

cell fissions
cell division

Answers

Answer:

 all

Cell division is the process by which a parent cell divides into two or more daughter cells :3

hope this helps :)

cell division.......

Consider the sphere. A sphere. A is the great circle, B is the diameter, c is the radius, and d is the center. Identify the parts of a sphere. a is the b is the c is the d is the

Answers

I think it’s diameter

Answer:

a is the great circle

b is the diameter

c is the radius

d is the center

Explanation:

I’ll mark u as brainliest!

Answers

Answer:

larger and glucose

Explanation:

A man has type A blood and his wife has type B blood. A physician types the blood of their four children and
finds that each of the children has a different blood type. What are the genotypes of the parents? How
would you explain that all four blood types could be represented by these four children?

Answers

Answer:

A person with type A blood receiving a transfusion of type B or AB blood would have an ABO incompatibility reaction. In an ABO incompatibility reaction, your immune system attacks the new blood cells and destroys them. If you have type AB blood, you have both A and B antigens.

hope it helps.

please mark me as brainliest

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