Which is the gametophyte form of most liverworts?
a. a seta
b. gemmae
c. a thallus
d. a frond
e. a prothallus
c
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Which of the following is a reactant or product during the process of photosynthesis?
a. oxygen b. FADH 2 c. NADH d. pyruvate
Four of the five answers listed below are molluscan body features. Select the exception
a. gills b. head and foot c. mantle d. conspicuous segmentation e. radula
Which of the following is not true concerning the cellular compartmentation of the steps of respiration or fermentation?
A) Acetyl CoA is produced only in the mitochondria. B) Lactate is produced only in the cytosol. C) NADH is produced only in the mitochondria. D) FADH2 is produced only in the mitochondria. E) ATP is produced in the cytosol and the mitochondria.
Why are endospores used to measure the effectiveness of autoclave sterilization?
A. Endospores are easy to store in the lab until needed. B. Endospores are very simple structures and easy to detect. C. Endospores are very hard to kill. D. Endospores are composed of all the molecules found in living cells. E. Endospores of different bacteria are destroyed at different temperatures and can be used to calibrate autoclave temperatures.