What is the MOST important short-term energy storage molecule?
a. nucleic acids
b. carbohydrates
c. proteins
d. adenosine triphosphate
Answer: d
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, gene swapping between two species is
A. impossible, but it happened frequently in the distant past. B. infrequent but possible; it happened more often in the distant past. C. much more frequent compared to in the distant past. D. only possible if they are in the same family of organisms, such as lions and tigers.
The flagella of bacteria rotate at their bases like propellers
Indicate whether the statement is true or false.
Answer the question using the accompanying figure. What is occurring in step 11?
a. cytoplasmic division b. fusion c. fertilization d. the first meiotic division e. the second meiotic division
Which nucleotide is added to the end of a completed messenger RNA transcript?
a. adenine b. thymine c. cytosine d. guanine e. alternating adenine and thymine