Answer the following statements true (T) or false (F)
1. When a molecule of NAD+ gains a hydrogen atom, the molecule becomes reduced.
2. Proteins and fats may be used as energy sources to drive aerobic respiration.
3. During the energy investment phase of glycolysis, glucose has a decrease in free energy.
4. The rate of photosynthesis is much greater in green light than red light.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
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A unique feature of the red algae life cycle is the occurrence of four multicellular stages: two sporophytes, a female gametophyte, and a male gametophyte
Indicate whether the statement is true or false
A U.S. submarine surfaced ____ miles from the nearest land in the Arctic and found polar bears hunting on the frozen
sea. a. 10 b. 100 c. 200 d. 500 e. 1,000
Small, hollow membrane vesicles used to deliver therapeutic genes for gene therapy are called ________
A) liposomes B) gold particles C) retroviruses D) biocapsules E) None of these choices
As cells grow, the amount of surface area increases by the ____ but volume increases by the ____.
A. square (X2), cube (X3) B. cube (X3), square (X2) C. minute, hour D. minute, day