Which of the following describe the role of enzymes in digestion? select all that apply.

a. enzymes break down complex molecules into simpler molecules.

b. enzymes usually follow a lock-and-key pattern.

c. enzymes catalyze reactions in digestion.

d. enzymes provide energy for bodily functions.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Plants that have reproductive structures called cones are?

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?