Which of the following best describes the structure of a typical molecule of DNA?
A. helical
B. double-stranded
c. double-stranded helix
D. complementary

Answers

Answer 1

Answer:

may be Bor A is the answer but itay be eitherA orB

Answer 2
Answer:
C. Double- stranded helix

Related Questions

According to the diagram below how are metamorphic rocks formed
A. Wastes deposited by plants and animals decompose and weather
B. Other rocks experience intense heat and pressure
C. Sand and other particles are buried,compacted, and cemented together
D. Molten rock cools and turns solid

Answers

When rocks are exposed to extreme temperatures, high pressures, hot mineral-rich fluids, or, more frequently, some mixture of these conditions, metamorphic rocks are created. These kinds of conditions can be obtained deep within the planet or where plate tectonics collide.

What two processes result in metamorphic rocks?

Heat and pressure cause an existing rock to change into a new rock, creating metamorphic rocks. When hot magma hits rock, contact metamorphism takes place. Under the intense heat and pressure produced by tectonic forces, regional metamorphism changes substantial portions of existing rocks.

Most metamorphic rocks are formed where?

The majority of metamorphic rocks are formed underground. Extreme pressure and heat are used to produce them. This includes any procedure where heat, force, or the use of chemical fluids change the structure or makeup of a rock while it is still solid.

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Answer:

B. Other rocks experience intense heat and pressure

Explanation:

I got this same question

what is the scientific name for human??​

Answers

Answer:

HomoSapiens

Explanation:

What is not an example of radiant energy?

A. Light bulb
B. A heating pad
C. The sun
D. o2 released from plants

Answers

c. the sun^^^^^^^^^^^^^

A sort of radiant energy that is visible and moves in waves is light. It is the only type of energy that the human eye is capable of seeing, hence option D is correct.

What is radiant energy?

Radiant energy sources comprise the full electromagnetic radiation spectrum, including gamma rays, x-rays, radio frequencies, microwaves, light, and heat radiated by a bonfire.

Light energy is produced by the Sun and other stars, light bulbs, lasers, and heated things, heat coming off of a heated sidewalk. Radiant energy may be found in X-rays.

Any energy produced by the sun is referred to as solar energy, nuclear fusion occurs in the sun and produces solar energy.

Therefore, In the sun's core, fusion takes place when the protons of hydrogen atoms forcefully collide and fuse to form helium atoms, hence option D is correct.

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solve this your cool

Answers

Answer:

B. Sunlight

F. Water

Explanation:

Abiotic factors are nonliving components.

Sunlight and water is correct

what is a neuron ?
( don't answer this please )​

Answers

Answer: Glia outnumber neurons in some parts of the brain, but neurons are the key players in the brain. Neurons are information messengers. They use electrical impulses and chemical signals to transmit information between different areas of the brain, and between the brain and the rest of the nervous system.

Explanation:

Sorry for answering. i saw an opportunity for 5 points. SORRY!!!!

WILL GIVE BRAINLIEST
How does the process of natural selection account for the diversity of organisms that Darwin observed on the Galapagos Islands?

Answers

Answer:

Since each island is very different, birds from each of these islands all have different beaks, colorations, and sizes depending on the natural environmental factors surrounding their island.

Explanation:

I would also add in how birds had to adapt with different beak lengths and sizes in order to be able to get the food type that was most abundant. Natural selection was abundant in this case if one food source (say small seeds) was scarce, a bird with a small beak 1. Had very little if no small seeds to eat and 2. If there were large nuts that required breaking open (ability with birds for larger beaks to do so), the small bird could not break them open and then would unfortunately probably starve to death. Thus, natural selection occured so the birds with the large beaks were able to carry on their traits while the birds with the small beaks did not have as great of an opportunity (if not opportunity) to carry on their traits.

Since each island is very different, birds from each of these islands all have different beaks, colorations, and sizes depending on the natural environmental factors surrounding their island.

When can a species develop genetic diversity?

Answers

Over a long period of time

Answer:

over a long period of time ;)

Explanation:

I know this because another answer said this was the answer and it was answer expert verified... ;)

The following methods: budding, binary fission, regeneration, and cloning are all ___ reproduction.

A. meiosis
B. Mitosis
C. Variation

Answers

Answer:

Your answer is B) Mitosis.

I need the answer for number 4

Answers

Answer:

chicken wings I believe

I believe it would be butter

PLSSS HELP ITS EASY JUST THAT IM D_UMB

Sickle-cell anemia is a recessive trait in humans. In order to express the disease, an affected individual must inherit two recessive alleles (ss). What is the probability that the offspring of two heterozygous parents will also be heterozygous?

a) 0/4
b) 1/4
c) 1/2
d) 3/4

Answers

Answer:

The answer is 1/2 i tried and got it wrong ;-;

Explanation:

Explain the importance of CDK in the cell cycle

Answers

Answer: They are important because they help modify different proteins.

Explanation:

The importance of CDK in the cell cycle is that they are important because they help modify different proteins and CDK are important in the regulation of the cell cycle.

What are the importance of CDK?

CDKs are important in many reasons as they help in the regulation of the cell cycle. They carry out their function by adding phosphate groups to target proteins. Protein kinases called CDKs (cyclin-dependent kinases) are involved in controlling the cell cycle. The regulatory proteins known as cyclins are responsible for activating the cyclin-dependent kinases. As the cell moves through the cell cycle, the activity of different Cdks rises and then falls.

A cyclin-Cdk complex is created when a particular CDK binds to the associated cyclin. Proteins and other targets are phosphorylated by cyclin-Cdk complexes. Some of these proteins are activated by phosphorylation whereas the others are deactivated. For instance, phosphorylation causes the protein p27 to be broken down. Since p27 is one of the main inhibitors of cell division, low levels of p27 cause cells that aren't dividing to start doing so.

Therefore, The importance of CDK in the cell cycle is that they are important because they help modify different proteins and CDK are important in the regulation of the cell cycle.

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Name some specialized features that plants have that are used for reproduction. Please help!!

Answers

pollen and asexual reproduction are two :)

Match each movement with the correct label.


flexion

extension

adduction

abduction

elevation

depression

medial rotation

lateral rotation

Answers

Answer:

flexion - depression

extension - elevation

adduction - medial rotation

abduction - lateral rotation

Explanation:

Flexion is the process of bending an arm or leg. It occurs as a result of the contraction of the muscles. Depression is a downward movement. Hence, flexion refers to the depression of an arm or leg.

Extension is the process of stretching the body parts. Elevation is an upward movement. Hence, extension refers to the elevation of body parts.

Adduction is the movement of a limb or other part of the body towards the midline or another part of the body. The movement of the limb towards the midline of the body is known as medial rotation.

Abduction is the movement of a limb or other part of the body away from the midline of the body. The movement of the limb away from the midline of the body is known as lateral rotation.

Help me ASAP please I’m being timed

Answers

Answer:

i think it is 4 but i am not sure

Explanation:

Answer:

From common sense I would select B. But I have not gotten to biology, so I do not know for sure. if I get it wrong, I am truly sorry.

What atoms are rearranged by plants during photosynthesis?

Answers

Answer:

Inside the cells of plants, algae, and photosynthetic bacteria, chlorophyll, and enzymes use the light energy to rearrange the atoms of the reactants to form the products, molecules of glucose and oxygen gas.

Explanation:

Recessive traits appear only when an organism is

Answers

Answer:

If it carries two identical copies of the recessive trait.

Explanation:

Why do we cook our food?

Answers

Answer:

The way we cook our food is as important as the way we prepare and store it. Inadequate cooking is a common cause of food poisoning. ... Most foods, especially meat, poultry, fish and eggs, should be cooked thoroughly to kill most types of food poisoning bacteria.

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Determine the correct amino acid for the following codons: (type in all CAPS)
GCA :
AGU:
UAC:
AUG:

Answers

Answer:

1. GCA:arginine

2. AGU:cysteine

3.UAC:Tyrosine

4.AUG:Methionine

The correct amino acids which are encoded by the codons are GCA- Alanine, AGU- Serine, UAC- Tyrosine, and AUG- Methionine.

What is a Codon?

A codon is a specific three nucleotide sequence of nucleotides such as DNA or RNA which are transcribed on an mRNA that corresponds to a specific amino acid or a stop signal during the process of protein translation in the ribosome of cytoplasm.

In the eukaryotic cells, there are 64 codons of four nucleotide are observed, from which 61 codons codes for twenty amino acids whereas three codes for stop codons or termination codons.

The amino acids which are encoded by the following codons include: GCA- Alanine, AGU- Serine, UAC- Tyrosine, AUG- Methionine. AUG also acts as the initiation codon i.e., it is responsible for the initiation of translation in the eukaryotic cell.

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Polysaccharides are made of?

a. One glucose molecule
b. Many glucose molecules
c. Many fatty acids
d. DNA

Answers

Answer:

b. Many glucose molecules

Explanation:

poly means many

D definetly
Hopefully this helps you
May God bless you

What could the other 98% of DNA be used for?​

Answers

Answer:

It takes just 2 percent of the human genome to code for all of the proteins that make cellular functions -- from producing energy to repairing tissues -- possible.

what are eukaryotes multicellular makes its own food are called?
A.Protista
B.Plantee
C.Fungi

Answers

Protista I think I’m not sure but I am pretty sur

Answer: B. Plantee

Explanation: Plants are eukaryotic and multicellular. They make their own food using photosynthesis.

How do the properties of water help it to shape the Earth?

Answers

Answer:

Match the term to its example or description.

 1 .  

Beowulf

ship-burial

 2 .  

Sutton Hoo

Canterbury Tales

 3 .  

French

an Anglo-Saxon king

 4 .  

Norman Conquest

influenced Middle English vocabulary

 5 .  

Chaucer

an elegy

 6 .  

The properties of water help Earth toc main

which stage of cellular respiration extracts the most energy

Answers

Answer:

glycolysis

Explanation:

Here’s a breakdown of how much energy were produced during glycolysis:

1. 2 ATPs
2. 2 NADHs
3. 2 Pyruvate Molecules (this itself enters the citric acid cycle to produce MORE energy aka nonstop)

6. What is the function of the vacuole in a cell?
A.)transports proteins to other locations in the cell
B.) breaks down food and releases energy
C.) stores water, waste products, and food
D.)manufactures proteins

Answers

Answer:

c, vacuoles are storage spaces

Answer:

[tex]vacuole \: in \: a \: cell \: stores \: water, \\ \: waste \: products ,\: and \: food.[/tex]

Which statement accurately compares archaebacteria and eubacteria?

Both take different shapes and sizes.
Both are always heterotrophs.
Both can sometimes live in extreme environments.
Both are known as "true" bacteria.

Answers

Answer: C - Both can sometimes live in extreme environments.

Explanation: On edge2021.

if wrong sorry but I Think A

Cold air is denser than warm air and therefore has higher what?
1.Air pressure
2.Amount of water vapor
3.Mass
4.Volume
.

Answers

The answer would be 3...mass!

Translating the code below is a dna

Answers

Where’s the DNA code?

In which way does genetic variation within a population help to ensure the survival of a species in response to the environment in which they live?
PLEASE HELP I WILL MARK AS BRAINLIEST




A.

Genetic variation causes the members of the population to require a different source of food.


B.

Environmental changes which affect one organism within the population may not affect others.


C.

Genetic variation occurs when environmental conditions remain stable for an extended period of time.


D.

Environmental changes decrease genetic variation so that the population experiences fewer adaptations.

Answers

Answer:

Genetic variation occurs when environmental conditions remain stable for an extended period of time

true or false: Plant cells need centrioles in mitosis.

Answers

False. Plant cells are able to reproduce without them.

PLEASE HURRY!!!!!Where on the membrane does an active transport pump work

Answers

Answer:

Active transport often takes place in the internal lining of the small intestine.

Explanation:

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