What color are the coolest stars

What are the building blocks of minerals? a. rocks b. elements c. isotopes d. electrons

Of the 200 to 400 million sperm cells released in a typical ejaculation, approximately how many do you think will reach the ovum?

What is a gene regulation

Jacob has just gotten an interview for a job he really wants. With his excitement, his heartbeat increases, his blood pressure rises, and he begins to perspire. Which nervous system is responsible for these physiological changes?

Why would we use the word transcribe to describe the process of making a complementary RNA sequence from a DNA template?

Researchers studying soil conditions and plant species between 0 and 500 meters from former Roman settlements found that sites closer to settlements had a. less species richness. b. greater species richness. c. lower soil pH. d.

What term is defined as the change in allele frequencies that occurs when a new population is established?

Round seeds (R) are dominant to wrinkled seeds (r), and yellow seeds (Y) are dominant to green seeds (y). A true-breeding plant with round and yellow seeds is crossed to a true-breeding plant with wrinkled and green seeds.

What do All cells use for energy?

The air space or material between two charged bodies that prevents the discharge of electricity from one body to the other is the a. insulator. c. dielectric. b. medium. d. conductor.