Which functional group would you predict is part of abscisic acid (ABA)?
A. carboxyl
B. hydroxyl
C. carbonyl
D. amino
E. sulfhydryl
Ans: A. carboxyl
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A male is tested for cellular abnormalities. The technician notes that there are two Barr bodies present within each of his cells. As a result he has the genotype
A) XY. B) XO. C) XXX. D) XXY. E) XXXY.
The step of translation in which release factors bind to a stop codon is
A. mitosis. B. initiation. C. transcription. D. elongation. E. termination.
Permafrost, or permanently frozen subsoil, characterizes ________
A) temperate broadleaf forest B) chaparral C) tundra D) coniferous forest
Current analysis indicates that less than 2% of the human genome codes for proteins
Based on the systems approach employed by the ENCODE project, what percentage of the genome is estimated to contain functional elements (includes functional RNAs and regulatory sequences)? A) Less than 2% B) About 50% C) At least 80% D) 100%