Microspores are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: b
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In aerobic respiration, what is the ultimate fate of the electrons released from the breakdown of glucose?
a. They are combined with NAD+. b. They are combined with ATP. c. They become hydrogen ions. d. They are moved through the electron transport chain. e. They are combined with oxygen and hydrogen ions to form water.
There are two properties of phospholipids that affect how tightly they pack together: the length of the hydrocarbon chain and the number of double bonds
The degree of packing, in turn, influences the relative mobility of these molecules in the membrane. Which of the following would yield the most highly mobile phospholipid (listed as number of carbons and number of double bonds, respectively)? (a) 24 carbons with 1 double bond (b) 15 carbons with 2 double bonds (c) 20 carbons with 2 double bonds (d) 16 carbons with no double bonds
The common bread mold Rhizopus stolonifer belongs to the ________.
A. Zygomycota B. Ascomycota C. Glomeromycota D. Basidiomycota
If a cell's DNA becomes damaged by radiation or chemicals, it is unlikely to ____
a. pass the G2 checkpoint b. synthesize cyclin-dependent kinases c. enter G1 from mitosis d. become arrested in G1 e. activate DNA repair mechanisms