Which process is similar to binary fission?
A. genetic variation
B. crossing over
C. meiosis
D. mitosis
Answer: D. mitosis
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All organisms are alike in their
a. requirements for energy. b. participation in one or more nutrient cycles. c. ultimate dependence on the sun. d. interaction with other forms of life. e. all of these.
One type of mutation involves the replacement of a purine with a purine, whereas another causes the replacement of a pyrimidine with a purine or the reverse. What general terms are associated with these two mutational phenomena?
What will be an ideal response?
Eventually scientists will find fossil remains that link all groups of organisms in fine detail.
a. true b. false
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?