Question 24 Which macromolecule provides structural support for cell membranes? A)Carbohydrates
B)Proteins
C)Nucleic Acids
D)Lipids

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%