Question

7 multiple choice 1.5 points which of the following is true about pheromones? they are small peptides they fly in the air to reach yeast cells of the opposite type they are produced by insects that feed on yeast products they are gametes of yeast cells of different mating types

Explanation:

Pheromones are chemical signals. In yeast, mating - type pheromones are small proteins (not small peptides in the general sense here). They diffuse through the air to reach yeast cells of the opposite mating type. They are not produced by insects feeding on yeast products and are not gametes.

Answer:

They fly in the air to reach yeast cells of the opposite type