The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. since other substances are blocked from coming in, this membrane is called
a. perforated.
b. semi-permeable.
c. non-conductive.
d. permeable.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled