Each gene mutates at a characteristic frequency

Indicate whether this statement is true or false.


TRUE

Biology & Microbiology

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Introduced species become invasive when they

A. compete with native species without expanding their range. B. move from temperate to tropical settings. C. expand their range and outcompete native species. D. lead to a cost for humans. E. fill an empty ecological niche.

Biology & Microbiology

Sequencing the yeast genome received priority because

A) yeast causes infections in humans. B) yeast is essential in baking and brewing. C) the number of yeast genes is a round number - 6,000. D) one-third of the genome has its counterparts among mammals.

Biology & Microbiology

All of the following structures are associated with an intestinal fold except: a. salivary secretions

b. lymph vessel. c. microvilli. d. blood vessel. e. villi.

Biology & Microbiology

What is the function of the cryptochromes?

a. phototropism b. gravitropism c. circadian rhythm d. defense against herbivory

Biology & Microbiology