The arteries and arterioles of the circulatory system transport O2 to the? d. heart.

a. mouth.

b. lungs.

c. cells.

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Which of the following best describes the relationship between glucose and complex molecules such as hormones?