If this molecule is destined to deliver an arginine to a ribosome for incorporation into a growing polypeptide, which one of the following 3' to 5' sequences would not be found in the region labeled (C)?
A. GCA
B. GCC
C. UCU
D. AGG
E. UCC
Answer: D
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More than one type of influenza virus can infect a given cell at a given time
Indicate whether the statement is true or false.
In spongy bone tissue, the spaces are filled with:
a. air b. blood c. cartilage d. red bone marrow e. lymph
"Sticky ends" are:a
the single-stranded ends of a DNA segment created by some restriction enzymes. b. a problem in recombinant DNA technology because they form loops of single-stranded DNA. c. double-stranded ends of a DNA segment created by some restriction enzymes. d. sites of the origin of replication in prokaryotes. e. sugar molecules that are bound to the ends of a DNA fragment
Bacteria collected from a severely inflamed wound are sent to the lab for analysis. The results come back as follows: Gram-positive cocci in irregular clusters, kinase and coagulase positive, and able to grow in the presence of most antibiotics except vancomycin. The bacteria in the wound are most likely
A. Enterococcus. B. Staphylococcus epidermidis. C. Staphylococcus aureus. D. methicillin-resistant Staphylococcus aureus (MRSA). E. Streptococcus pyogenes (group A streptococcus).