Questions from Conceptual Biology

Q: A chromosome contains many different gene regions that are transcribed into different

A chromosome contains many different gene regions that are transcribed into different __________. a. proteins b. polypeptides c. RNAs d. a and b

Q: On the geologic time scale, life originated in the _______.

On the geologic time scale, life originated in the _______. a. Archaean b. Proterozoic c. Phanerozoic d. Cambrian

Q: What accumulates inside the thylakoid compartment of chloroplasts during the light-

What accumulates inside the thylakoid compartment of chloroplasts during the light-dependent reactions? a. glucose b. hydrogen ions c. O2 d. CO2

Q: Immerse a human red blood cell in a hypotonic solution, and

Immerse a human red blood cell in a hypotonic solution, and water _______. a. diffuses into the cell b. diffuses out of the cell c. shows no net movement d. moves in by endocytosis

Q: A molecule that donates electrons becomes ______, and the one that accepts

A molecule that donates electrons becomes ______, and the one that accepts electrons becomes ______. a. reduced; oxidized b. ionic; electrified c. oxidized; reduced d. electrified; ionic

Q: All antioxidants ______. a. prevent other molecules from being oxidized

All antioxidants ______. a. prevent other molecules from being oxidized b. are coenzymes c. balance charge d. deoxidize free radicals

Q: _______ cannot easily diffuse across a lipid bilayer. a.

_______ cannot easily diffuse across a lipid bilayer. a. Water b. Gases c. Ions d. all of the above

Q: A cat eats a bird, which ate a caterpillar that chewed

A cat eats a bird, which ate a caterpillar that chewed on a weed. Which organisms are autotrophs? Which ones are heterotrophs?

Q: While gazing into an aquarium, you see bubbles coming from an

While gazing into an aquarium, you see bubbles coming from an aquatic plant (right). What are the bubbles?

Q: 1. Photosynthesis runs on the energy of ______. a.

1. Photosynthesis runs on the energy of ______. a. light b. hydrogen ions c. O2 d. CO2 2. In cyanobacteria and photosynthetic eukaryotes, the light-dependent reactions proceed in/at the ______. a. th...