Boris is riding his bike on a path of hard sand. when he rides on a paved path, he can pedal his bike more easily. he can ride more easily on pavement because there is less a) drag. b) lift. c) friction. d) gravity.

Why would a drug that damages capsids treat a viral infection? a. capsids prevent the lytic cycle from beginning. b. transduction requires a capsid. c. viruses use capsids to increase genetic variation. d. capsids provide protection for viruses.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?