What part of the human body is most similar in function to the spongy mesophyll layer in a leaf?
a. alveoli in the lungs
b. erythrocytes in the blood
c. villi in the small intestine
d. sweat glands in the skin

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.

What was the impact of the concordat of worms?