Which two cellular structures provide protection to the cell? a. nuclear membrane and vacuole b. cellular membrane and cell wall c. cellular membrane and vacuole d. ribosomes and nuclear membrane

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

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

Can someone i have no idea of how to do this.