Which part of the cell membrane is polar and allows the cell to exist in water? a. phosphate groups b. fatty acid chains c. nucleus d. globular proteins?

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs