Which of these processes are membrane-crossing mechanisms that require no energy input? Select all that apply. Osmosis
Facilitated diffusion
Sodium-potassium pump

How does photosynthesis show the conservation of mass and energy?

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?