2.

an enzyme is a biomolecule that increases the rate of a chemical reaction. which of the following is true about enzymes?

i. enzymes are not consumed during a chemical reaction.

ii. enzymes are specific to particular molecules.

iii. enzymes increase the energy produced by a chemical reaction

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

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

What is the meaning of endocytosis ?