Which of the following best describes the structure of the sides of the DNA molecule? a double helix b alternating c single helix d twisted

Answers

Answer 1

Answer:

a double helix best describes the structure of the sides of the DNA molecule. The correct option is A.

Thus, Deoxyribonucleic acid, or DNA, has a double helix-like structure. It is made up of two lengthy nucleotide strands that are spirally coiled around one another.

The complementary nitrogenous bases adenine (A) and thymine (T) and cytosine (C) and guanine (G) form hydrogen bonds that hold the two strands together.

This double helix structure is frequently compared to a spiral staircase or a twisted ladder.

Thus, a double helix best describes the structure of the sides of the DNA molecule. The correct option is A.

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Answer 2

Answer: The structure of a DNA molecule is
A.Double Helix

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The amount of water a body requires for survival is dependent upon the climate and individuals level of physical activity

Answers

The recommendation of health professionals is to drink 8-10 glasses of water daily. But this is dependent on the climate and the activity the person is engaged into. For instance, an athlete who is training needs to drink more water to replace all the water lost in his body during training than compared to a person not training or exercising.

Answer:

the answer is True

Explanation:

Match the definition with the correct term: narrow, deep bay with steep walls.Emergent

Lagoon

Barrier island

Fiord <-----My answer. Is this correct?

Answers

D is correct answer to this.

Compare the productivities of a swamp and a river, and give two reasons for the difference

Answers

A swamp is an area of a land that is permanently filled with water. It could be formed out from a former lake or pond overtaken by trees. It is also dominated by trees. Cypress and tupelo trees, bushes and shrubs grow in swamps and even tiny plants like the duckweed that almost covers the water surface.
A river is a large area where water flows to the ocean, the lake, etc. and its seawater consistently evaporates. Its source could be from a melting snow, a melting glacier, a lake with an out-flowing stream or a spring bubbling out of the ground.

Two reasons for the difference:
1. Swamps have many formed marine animals and insects while the river, you can only rarely find one (like fishes).
2. Rivers could be a source of water into houses, farms and even a drinking water for humans while swamps could not be a source for those.

Where is the Golgi Body in an animal cell?

Answers

Answer:

The Golgi apparatus, also called Golgi complex or Golgi body, is a membrane-bound organelle found in eukaryotic cells (cells with clearly defined nuclei) that is made up of a series of flattened stacked pouches called cisternae. It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus.

Explanation:

If a stationary body of water has a constant temperature from top to bottom it is most likely a(n) _______. a. lake b. pond c. ocean d. lagoon

Answers

The correct answer is B. Pond

Oceans and lakes have huge diversity when it comes to temperature, while lagoons also have them except they're not as vast.

Answer: The correct answer for the fill in the blank is Pond.

Pond is a small, shallow, and stationary water body. Therefore, sunlight penetrates properly throughout the body making a constant temperature from its top to the bottom.

On the contrary, ocean, lakes, and lagoon are the dynamic water bodies and have temperature gradients from top to their bottom.

Pancreatic juice is composed of _______ bicarbonate in the presence of hydrochloric acid.

Answers

Sodium bicarbonate! :)

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