Why is fission likely to be a method of reproduction in early cells?
a. The easiest way to divide genetic material is to split it in two.
b. Hypercycles that become unstable split apart.
c. Modular genomes transfer well between cells.
d. Physical constraints of a sphere cause it to become unstable and break when it becomes too big.
D
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Transplantation of tissue from the same individual
Match each of the proteins involved in DNA replication with its function
a. DNA helicase b. Topoisomerase II c. Single-stranded binding proteins d. DNA polymerase _____ Attaches DNA nucleotides to an RNA primer _____ Unwinds the DNA duplex _____ Relieves the stress on the replication fork caused by unwinding _____ Proofreads the growing DNA strands and replaces mismatched nucleotides _____ Prevents strands of DNA from rejoining after being unwound What will be an ideal response?
What group of primates is referred to as "lesser apes," in comparison with larger apes?
A. Orangutan B. Gorilla C. Chimpanzee D. Monkey E. Gibbon
During unfavorable growth conditions, many protozoa can convert to a resistant, dormant stage called a _____.
Fill in the blank(s) with the appropriate word(s).