What protein is responsible for creating new strands of mRNA?
a. DNA polymerase
b. RNA polymerase
c. telomerase
d. primase
b. RNA polymerase
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A salt will dissolve in water to form
a. acids. b. gases. c. ions. d. bases. e. polar solvents.
Chihuahuas, Border Collies, and Great Danes (all domestic dogs) descend from the same wolf species and can still interbreed. These varieties were produced by
A) speciation. B) artificial selection. C) natural selection. D) genetic drift. E) inheritance of acquired traits.
Explain how the 'greenhouse effect' works (in relation to global warming)
What will be an ideal response?
Of all the different codons that exist, three of
them a. are involved in mutations. b. do not specify a particular amino acid. c. cannot be copied. d. provide instructions such as STOP. e. do not specify a particular amino acid and provide instructions such as STOP