Arteriosclerosis reduces the flexibility of the blood vessels. Which components of blood vessels would be affected by this disease? Elastin of the tunica intima, Connective tissue of the tunica intima, Connective tissue of the tunica externa, Endothelial tissue of the tunica media

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins