Which type of transport is used to move a molecule from a region of low concentration to a region of high concentration? O A. Passive transport O B. Osmosis )C. Diffusion OD. Active transport

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Which material is commonly used as a culture medium for living cells

What characteristic makes a cell membrane selectively permeable