PCR has many uses and advantages. What is one disadvantage of this technology?
a. It is difficult to keep the amplified DNA strands intact.
b. PCR works on only some DNA sequences.
c. The amplified product is often degraded.
d. PCR is a slow and inefficient process.
e. PCR is easily contaminated with foreign DNA
e
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In the process of quorum sensing, bacteria release signaling molecules in ____ concentrations as cell density ____
a. increasing; decreases b. increasing; increases c. decreasing; increases d. decreasing; decreases e. constant; increases
Mitosis results in:
a) haploid gametes. b) somatic daughter cells with the same number and composition of chromosomes. c) diploid gametes. d) somatic cells with twice as much genetic material and a unique collection of alleles. e) four daughter cells.
During mutualism, one species benefits while the other is harmed.
a. true b. false
The microbial process of converting sugars to alcohol is known as
A) fermentation. B) pasteurization. C) tyndallization. D) lyophilization. E) alcoholism.