Question

question 4
match each description with the correct term. (may repeat some answers).

column a

1. _____ carries genetic information
2. _____ \usually\ contain only carbon, oxygen and hydrogen and do not have a true monomer
3. _____ have carbon, oxygen, hydrogen and nitrogen. (usually no phosphorus)
4. _____ always contain phosphorous.
5. _____ glucose and starch are examples
6. _____ insulates and cushions
7. _____ \usually\ contain only carbon, oxygen and hydrogen and do have a true monomer

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

Explanation:

1. Nucleic acids (b) carry genetic information (DNA, RNA).
2. Lipids (a) usually have C, H, O (no true monomer like others).
3. Proteins (d) have C, H, O, N (rarely P).
4. Nucleic acids (b) always have phosphorus (in their structure).
5. Carbohydrates (c) include glucose (monomer) and starch (polymer).
6. Lipids (a) function in insulation/cushioning (e.g., fat).
7. Carbohydrates (c) usually have C, H, O and a true monomer (monosaccharides).

Answer:

1. b. nucleic acids
2. a. lipids
3. d. proteins
4. b. nucleic acids
5. c. carbohydrates
6. a. lipids
7. c. carbohydrates