Which of the following best describes the relationship between the structure of the cell membrane and its function? a) the cell membrane folds upon itself easily, which facilitates cellular reproduction by mitosis. b) the membrane is rigid and inflexible, preventing the movement of substances across the cell membrane. c) the outer layer of the membrane is hydrophilic, which allows water to flow in and out of the cell easily to eliminate waste. d) the proteins that are embedded in the cell membrane act as channels to transport substances in and out of the cell

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?