Systolic pressure is the pressure in the arteries when the ventricles are contracting, while diastolic pressure is the pressure in blood vessels when the ventricles are relaxed. a. true b. false

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

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

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these