(A) Which parts of an atom contribute most to its mass? protons

electrons

protons and neutrons
е

neutrons and electrons

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

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

For an animal living a diplontic cycle, meiosis is limited to: producing gametes producing growth fertilization development of the zygote