The processes of transcription and translation are coupled in
a. Eukaryotic cells.
b. Prokaryotic cells.
c. Both eukaryotic and prokaryotic cells.
d. Neither eukaryotic nor prokaryotic cells.
Ans: b. Prokaryotic cells.
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How many codons are in the mRNA sequence GGAAUGAAACAGGAACCC?
A. 0 because mRNA has only anticodons B. 6 C. 27 D. 9 E. 3
A tissue is represented by a group of __________ adapted to carry out __________
a. closely associated, similar cells; specific functions b. closely associated, different cells; specific functions c. loosely associated, different cells; different functions d. loosely associated, different cells; specific functions e. closely associated, similar cells; different function
Which of the following reproductive technologies would produce the greatest complications in defining the individuals who are considered the parents of the child?
A. gamete intrafallopian transfer B. artificial insemination by donor C. intracytoplasmic sperm injection D. in vitro fertilization E. using a surrogate mother
A breakfast cereal is advertised as containing essential vitamins and minerals. In this context, the word essential means __________.
a. that the substances contain the "essence" of the vegetables from which they are extracted b. that they are the nutrients that should comprise the largest component of our diet c. that they are necessary for life d. that the nutrients must be supplied in the diet and cannot be made in the body e. nothing: this is just a gimmick