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CH CH CH CH CHCH CH CH CH CH CH CH CH CH Cooh

This document contains 10 multiple choice questions testing knowledge of basic biomolecules: 1) Carbohydrates act as the main energy source. 2) Amino acids are the building blocks of proteins. 3) Nitrogen is present only in proteins. 4) Nucleic acids store an organism's genetic information.

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LOUIE JAY TUIZA
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44 views1 page

CH CH CH CH CHCH CH CH CH CH CH CH CH CH Cooh

This document contains 10 multiple choice questions testing knowledge of basic biomolecules: 1) Carbohydrates act as the main energy source. 2) Amino acids are the building blocks of proteins. 3) Nitrogen is present only in proteins. 4) Nucleic acids store an organism's genetic information.

Uploaded by

LOUIE JAY TUIZA
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Choose the letter of the correct answer.

1. In humans and other organisms which substance below acts as the main energy source?

a. Protein b. lipids c. carbohydrates d. water

2. Amino acids are the building blocks of (monomer) .

a. Protein b. lipidsc. carbohydrates d. nucleic acids

3. Which of the following is present only in protein?

a. carbon b. hydrogen c. oxygen d. nitrogen

4. An organism’s genetic information is stored in biomolecules known as .

a. proteins b. carbohydrates c. lipids d. nucleic acids

5. DNA and RNA are polymers made up of .

a. amino acid b. monosaccharide c. fatty acid d. nucleotides

6. Lipids are insoluble in water because lipid molecules are ?

a. hydrophilic b. neutral c. hydrophobic d. solid at room temperature

8. What kind of molecule is represented by the structure below?

CH 3 CH 2 CH 2 CH ❑=CHCH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 COOH ❑

a.monosaccharide b. unsaturated fatty acid

c. saturated fatty acid d. phospholipid

9. Which of the following sugars are the components of maltose?

a. glucose and galactose b. fructose and galactose

c. glucose and fructose d. glucose and glucose

10. The sugar is RNA is , the sugar is DNA is .

a. deoxyribose, ribose

b. ribose, deoxyribose

c. ribose, phosphate

d. ribose, uracil

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