Which repair mechanism is an error-prone system that uses bypass polymerases to replicate short segments of daughter strands whose normal replication is blocked by lesions in template strand DNA?
What will be an ideal response?
translesion DNA synthesis
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Botox is a toxin produced by the bacterium Clostridium botulinum. When ingested with tainted food, botox can cause distress by paralyzing the intestines, and, in high doses, can kill by paralyzing muscles needed for breathing and heartbeating. Why would botox be an adaptation for Clostridium botulinum?
A. Botox allows the bacteria to gain more oxygen. B. Botox prevents other bacteria from entering the gut. C. Botox prevents antibiotics from entering the gut. D. Botox allows the bacteria to gain more food. E. Botox prevents the intestines from removing the bacteria.
All of the following are goals of conservation
biology EXCEPT a. to investigate the decline in genetic diversity. b. to survey the range of biodiversity. c. to determine if loss of any specific species would be detrimental to mankind. d. to identify ways to maintain and use biodiversity to help man. e. all of these are goals of conservation biology.
Genetically modifying human eggs and sperms may directly affect future generations.
a. true b. false
Bacteria that grow in mine drainage at pH 1-2 are probably which of the following?
A. alkaliphiles B. acidophiles C. neutrophiles D. obligate anaerobes