In a hypothetical population of tree swallows, 18 individuals are homozygous for the c4 allele, 22 individuals are heterozygous for the allele, and 10 individuals lack the allele. What is the frequency of the c4 allele?

Which statement is a good description of biomes? a) Many types of water and land biomes exist on earth. b) Land biomes are more complex than water biomes. c) Biome types only refer to areas on land, not water.

Molecules with a relatively high lipid solubility are capable of crossing the membrane a. through specific lipid channels. b. directly through the lipid bilayer. c. only with the addition of energy. d. indirectly by moving across a carrier protein.

In humans, curly hair is dominant over straight hair. Which cross below has the correct probabilities listed

What is visible light?

Which of the following organisms does NOT have a cell wall? a: ferns b: roses c: portabella mushroom d: giraffe

Which of the following is an appropriate problem statement for a science experiment? A. What is the effect of microplastic on the digestion processes of small fish? B. The effect of microplastic on the gut of small fish is unknown to humans. C.

Which of the following is the adaptation that allows animals to survive in high altitudes which contains lower levels of oxygen A. Migration B. Higher levels of hemonoglobin C. Insulating feathers D. Higher body temperatures

What happens during the lysogenic cycle

As a seedling, the strangler fig and host tree have a relationship that is described as commensalism. Why is commensalism a good description for this relationship?

Glycogen is stored in the body for future use. if it is drawn upon, it will