What do the salivary glands, the pancreas, and the stomach have in common?

a) they all mechanically break down food.
b) they all are accessory structures of the digestive system.
c) they all in blood production.
d) they all secrete enzymes that break down food.

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

Which type of neuron stimulates muscles to contract?

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous