What are the primary evolutionary mechanisms that result in the great diversity and adaptation in
prokaryotes?
What will be an ideal response?
Genetic variability primarily arises due to mutation. Prokaryotes have approximately 1,000 times more
mutations per gene, per unit time, per individual, than do eukaryotes. Natural selection then works on
the large populations that result from rapid reproduction, leading to rapid adaptation.
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Which tissue is striated and can contract rapidly, producing voluntary movements?
a. skeletal muscle b. smooth muscle c. bone tissue d. cardiac muscle e. adipose tissue
Producers can be photosynthetic or chemosynthetic
Indicate whether the statement is true or false
Bacteria protect their own DNA from restriction enzyme damage by adding ________ groups to certain nucleotides
A) methyl B) hydroxyl C) phosphate D) amino E) carboxyl
How long are MOST bacteria?
a) 0.2 to 2 ?m b) 1 to 4 ?m c) 2 to 8 ?m d) 5 to 15 ?m