Which three components are common to the circulatory systems of most living animals?

a. arteries, veins, capillaries
b. vessels, heart, circulating fluid
c. aorta, ventricles, atria
d. blood, heart, cavities

What does the chemical formula c3h6o2 tell about a molecule of the compound it represents

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d