We feel uncomfortably warm on a muggy day because water molecules are
What will be an ideal response?
evaporating and condensing on our bodies at the same rate
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DNA replication always proceeds in only one direction because the ________ of the incoming nucleotide is attached to the free ________ of the growing DNA strand
A) 5'-phosphate / 3'-hydroxyl B) 3'-phosphate / 5'-hydroxyl C) 5'-deoxyribose / 3'-base D) 3'-base / 5'-deoxyribose
Red-green color blindness is a sex-linked recessive trait in humans. If a carrier female (heterozygous for the trait) mated with an affected man, what would be the expected outcome(s)?
A. None of the offspring would be color blind. B. None of the daughters would be color blind. C. Half of the daughters would be color blind. D. All of the sons would be color blind. E. Half of the daughters would be color blind, and all of the sons would be color blind.
The amino acids of a growing polypeptide chain are held together by what kind of bond during the elongation stage of translation?
A. hydrogen B. peptide C. glycosidic D. noncovalent E. lactose
A small, red, hard but painless lesion is a sign of infection with (gonorrhea/herpes/syphilis)
What will be an ideal response?