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spin [16.1K]
3 years ago
10

Explain why the structure of DNA is described as a double helix

Biology
1 answer:
Hatshy [7]3 years ago
8 0

Answer:

The double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a spiral staircase. Each chain has a backbone in which a sugar (deoxyribose) and a phosphate group alternate.

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Select the correct answer from the drop down menu. Enzymes break down large molecules. In an experiment, a scientist adds lipase
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Answer:

There are no options to this question, however, it can be answered. The answers to the blank spaces are:

1. Fatty Acids

2. A decrease in the rate of lipid breakdown

Explanation:

Lipids are large biomolecules that are formed from monomeric units called FATTY ACIDS. Digestive enzymes such as lipase as described in this question breaks down lipids into its monomer called FATTY ACIDS.

However, enzymes are proteinous molecules, meaning they are subject to denaturation when exposed to adverse conditions such as heat. According to this question, the scientist heats the enzymes and finds that it can't bind onto the lipids anymore because it has been DENATURED. This situation will result in the DECREASE IN THE RATE OF LIPID BREAKDOWN because the enzyme in charge is no longer functional.

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Answer:

<u>Cilia</u>

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Cilia is also present in mammals to facilitate the movement of fluids in cells.

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