Why do phospholipids form a bilayer in water?
The phosphate portions repel each other.
The hydrophilic and hydrophobic parts attract each other.
The phosphate portions attract water, and the lipid portions repel water.
The lipid portions attract water, and the phosphate portions repel water.

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

The color of the fur is the genotypephenotype. the genetic combination of alleles that determine the fur color is called the genotypephenotype.