Which statement best describes the breakdown of food in the digestive system?

a. carbohydrate digestion starts in the stomach and protein digestion starts in the stomach.
b. carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.
c. carbohydrate digestion starts in the esophagus and protein digestion starts in the small intestine.
d. carbohydrate digestion starts in the small intestine and protein digestion starts in the esophagus.

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing