Which of the mechanisms listed below requires energy?
a. endocytosis
b. diffusion of oxygen into a red blood cell
c. osmosis of water across the cell membrane
d. facilitated diffusion of ions through a protein channel

What is the cause hearing loss in human being

Where substance is produced during cellular respiration

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43