If you were reading off the sequence of amino acids in the figure to a biologist friend, what should the first three letters be?
A) M-N-G
B) A-P-A
C) It does not matter, since the protein has no polarity or directionality.
Answer: A
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Which of the following processes is not a part of metagenomic analysis of an environment?
A. Polymerase chain reaction B. Extraction of DNA from original sample C. DNA sequence assembly D. Reverse transcription E. High-throughput sequencing
Two functions of bacterial appendages are ________ and ________.
A. antibiotic resistance; motility B. attachment; energy production C. motility; energy production D. attachment; motility
Which of the following statements is false?
A) Translation consists of initiation, elongation, and termination. B) During polypeptide initiation, an mRNA molecule, the first amino acid attached to its tRNA, and the two subunits of a ribosome are brought together. C) The start codon can be different depending on what kind of protein is to be translated. D) During the first step of initiation, an mRNA molecule binds to a small ribosomal subunit.
The rash described as "teardrops on rose petals" is characteristic of
A) anthrax. B) chickenpox. C) herpes. D) smallpox. E) warts.