Cellular respiration occurs in the
a. nucleus.
b. chloroplasts.
c. flagella.
d. mitochondria.
e. cell membranes.
D
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A computer program recognizes an ORF by looking for ribosomal binding sites, start codons, and stop codons with an appropriate number of nucleotides between each element. What is a drawback of this approach?
A) Too many ORFS are identified, most of which are stretches on non-coding junk DNA. B) Codon bias causes incorrect annotations. C) Unusual, but legitimate genes and non-coding RNA may be missed. D) We lack the computing power to complete the analyses in a timely manner, thus many genomes are only partially annotated.
What part of the reef receives the full impact of wave energy?
a. Forereef b. Drop off c. Reef crest d. Back reef
The reason why some individuals who inherit polydactyly (having an extra digit on the hand or feet) do not express the trait is due to
A. incomplete penetrance. B. gene linkage. C. pleiotropy. D. incomplete dominance. E. None of the answers are correct.
Which one of the following cell types typically divide throughout one's life?
A) osteocytes B) stem cells in the bone marrow C) neurons D) muscle cells E) liver cells