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irinina [24]
3 years ago
10

What defines a macromolecule as a lipid?

Biology
1 answer:
Damm [24]3 years ago
3 0

Answer:

A. All lipids are insoluble in water.

Explanation:

Macro molecules are also called polymers, which are formed as a result of polymerization of molecules such as carbon, hydrogen and oxygen.

There are four types of  macro molecules in the mammalian system which are

  • lipids
  • nucleic acid
  • protein
  • carbohydrates

Lipids are macro molecules that do not dissolve in water i.e. they are hydrophobic. they help in the formation of cell membranes and hormones in the body.

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Upon examination, a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of repli
irina1246 [14]

The Gap 2(G2) stage of Interphase

Explanation:

In a eukaryotic cell, the cell cycle refers to both -cell growth and cell division - leading to the production of identical daughter cells. The cell cycle is basically divided into interphase (I) and mitosis (M).

The interphase, during which the cell grows and replicates its DNA takes place by the following stages – Gap 1 (G1), Synthesis (S), Gap 2(G2).

The cells grow and increase in size during the G1 period.

The G2 phase or the second gap phase the cell utilizes energy and produces necessary proteins for undergoing chromosome manipulation and other organelles and prepares the cell for mitotic cell division.

DNA replication mainly takes place in the Synthesis or the S stage of interphase with each of the chromosomes (46) is replicated.  

Due to this DNA replication in the S stage, its content is doubled (4-N DNA content) when it enters the G2 stage and all the DNA is found within a single nucleus.

6 0
2 years ago
Do capillaries transport blood from arteries to veins?
igomit [66]

Answer:

Capillaries connect the arteries to the veins. The arteries deliver oxygen rich blood to the capillaries, where the exchange for oxygen and carbon dioxide occurs.

Explanation:

Hope this helps!

8 0
3 years ago
What happens to an enzyme once it catalyzes a chemical reaction?
Veronika [31]
Enzymes are not used in the reaction so usually the enzyme will sort of reset and be ready to use in another reaction . this is because enzymes are proteins and their shape is what they use in a chemical reaction so when the reaction is done the product is released (the reaction) and the enzyme can relax and go back to its normal shape
3 0
2 years ago
Describe how energy and matter move through the environment under both aerobic and anaerobic conditions answer in 1-2 paragraphs
Karo-lina-s [1.5K]

Answer:

6

Explanation:

6 0
3 years ago
Which statement best explains why decomposers are an important part of this food web
mojhsa [17]
Decomposers are important in the food web since these break down chemical substances.
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3 years ago
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