Choose the correct statement about essential amino acids. Essential amino acids are the only amino acids used in the building of muscle.
Essential amino acids are the only ones that humans need.
Essential amino acids are those that humans cannot make themselves, but are essential for proper functioning of the body
Essential amino acids are most often found in foods from the carbohydrates category.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.