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nadya68 [22]
3 years ago
14

1. Lipids, carbohydrates, and DNA all exist in human cells as long molecular chains. Which of the following describes how DNA di

ffers from lipids and carbohydrates?
A. Only DNA has carbon atoms
B. Only DNA is found in the cytoplasm.
C. Only DNA is needed to create new cells.
D. Only DNA contains genetic information

2. Diatoms are marine organisms with unique cell walls that contain the element silicon. Which of the following are two common elements found in the cells of diatoms?
A. aluminum and magnesium
B. helium and hydrogen
C. mercury and neon
D. nitrogen and phosphorus

If you don't know both, answering one of the questions will still help, thanks!
Biology
1 answer:
Nutka1998 [239]3 years ago
5 0

Answer:

1. D. Only DNA contains genetic information

2. D. Nitrogen and Phosphorus

Explanation:

1. Lipids are insoluble in water unlike other molecules. It stores energy within the fat tissues and cushion internal organs against trauma.

Carbohydrates are sugar units such as monosaccharides, disaccharides molecules which makes up starch that is fuel to your cells.

DNA is a type of nucleic acid that contains genetic information which influences your personal characteristics.

2. The family Rhopalodiaceae has the ability to perform nitrogen fixation, which allows diatoms to fix atmospheric nitrogen. And phosphorus has been found in some diatom species in the Black sea region which does not affect its reproduction rate and also helps in carbon cycle.

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