Why do birth control pills contain estrogen?

A. Eggs are made of estrogen.

B. Women normally have no estrogen in their bodies.

C. Sperm use progesterone to fertilize eggs.

D. Estrogen controls the ovulation process.

Which one of the following statements presents a condition of the Hardy-Weinberg principle? a. Gene flow is present. b. Genetic drift occurs. c. Random mating occurs. d. Mutations are present.

The prepartory reaction breaks: a) glucose into pyruvates. b) pyruvates into glucose. c) pyruvates into acetyl-CoA and carbon dioxide. d) pyruvates into acetyl-CoA and water. e) acetyl CoA into pyruvates and carbon dioxide.

During replication, which enzyme works to join newly created DNA strands together along various sites of the DNA macromolecule? RNA ligase DNA polymerase DNA ligase RNA polymerase

How much genetic material is present in a cell during prophase i compared to a cell that has completed meiosis ii?

An organism lives in a container with very little oxygen. It produces ethanol and carbon dioxide as waste products. Which process does it use to produce most of its ATP molecules? A. Lactic acid fermentation B. Glycolysis C.

How are the chromosomes of the off spring related to the chromosomes of the parents?

Organelle job description

Which of the following is true about the usage of public land? State parks are considered unprotected public land. All public land is managed by the Bureau of Land Management (BLM). Public land can be protected or unprotected.

What type of cell transport is used by chloroplasts to make hydrogen ions move against their concentration gradient

Which populations would benefit the most from the presence of decomposers?