For translation to take place, which of the following does NOT need to be present?
A. ribosome
B. DNA
C. rRNA
D. mRNA
E. tRNA-amino acid complex
Answer: B
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The Punnett square illustration above shows
that theoretically a. half of human sperm carry a Y chromosome. b. half of human zygotes are XY. c. all zygotes carry an X chromosome. d. gender depends upon which type of sperm fertilizes the egg. e. all of these are true
After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore
____________________ Indicate whether the statement is true or false.
Which of the following is NOT correct about plasmids?
A. Plasmids are small, circular DNA molecules that are separate from the much larger bacterial chromosome B. Plasmids can easily incorporate foreign DNA and are readily taken up by bacterial cells C. Plasmids act as DNA carriers that move genes from one cell to another d) all of the above are correct
A(n) ________ is a reproductive structure found only in the ascomycetes.
Fill in the blank(s) with the appropriate word(s).