Question

1. the transformation of inorganic carbon to organic carbon is called carbon:

a. fixation.
b. exchange.
c. conversion.
d. sequestration.

1. the o₂ released during photosynthesis comes from splitting:

a. h₂o₂.
b. water.
c. glucose.
d. co₂.

1. the main energy currency of the cell (the molecule used to fuel the cell) is:

a. dna.
b. atp.
c. g3p.
d. adp.

1. which macromolecules have the greatest caloric value per gram?

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

1. what is the difference between a calorie and a calorie?

a. a calorie equals 100 calories.
b. a calorie equals 1,000 calories.
c. a calorie equals 100 calories.
d. a calorie equals 1,000 calories.

1. our bodies store extra energy in muscle and liver cells as:

a. fat.
b. glycogen.
c. glucose.
d. nucleic acids.

1. glycogen is considered ____ energy storage, and fat is ____ energy storage.

a. long - term; short - term
b. long - term; permanent
c. short - term; long - term
d. short - term; short - term

Explanation:

• Question 28: Carbon fixation is the process of converting inorganic carbon (such as CO₂) into organic - carbon compounds.
• Question 29: During photosynthesis, the oxygen (O₂) released comes from the splitting of water (H₂O).
• Question 30: Adenosine - triphosphate (ATP) is the main energy - currency molecule of the cell, used to fuel cellular processes.
• Question 31: Fats have the greatest caloric value per gram among macromolecules, providing about 9 calories per gram compared to about 4 calories per gram for proteins and carbohydrates.
• Question 32: A Calorie (with a capital 'C') is equal to 1,000 calories (with a lowercase 'c').
• Question 33: Our bodies store extra energy in muscle and liver cells as glycogen.
• Question 34: Glycogen is considered short - term energy storage, and fat is long - term energy storage.

Answer:

1. a. fixation
2. c. water
3. b. ATP
4. c. fats
5. b. A Calorie equals 1,000 calories.
6. b. glycogen
7. c. short - term; long - term