Gene expression requires the participation of the
following three types of RNA: __________,
__________and __________. Fill in the blank(s) with the appropriate word(s).
Answer: messenger RNA (mRNA), transfer RNA (tRNA),
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During translation, mRNA is read in the ____ direction and the polypeptide is assembled from the ____
a. 5¢®3¢; N-terminal end to the C-terminal end b. 5¢®3¢; C-terminal end to the N-terminal end c. 3¢®5¢; N-terminal end to the C-terminal end d. 3¢®5¢; C-terminal end to the N-terminal end e. 5¢®5¢; N-terminal end to the C-terminal end
All invertebrates have phagocytic cells, but lack antibodies
a. True b. False
Describe a cell-free protein synthesizing system with which you could determine unambiguously which codons specify which amino acids
What will be an ideal response?
The 30,000 elephant seals alive today are genetically very similar due to
A) artificial selection. B) natural selection. C) random mutation. D) the bottleneck effect. E) the founder effect.