An igneous intrusion that cuts through a layer of sedimentary rock must be older than the sedimentary rock it cuts through.

True

False

Which of the following regarding antimicrobial control agents is FALSE? A. Alcohols effectively inactivate nonenveloped viruses by attacking lipids. B. Some agents affect microbial cell membranes by dissolving lipids. C.

A cell must expend energy to transport substance using

Why is the blood that drains into the hepatic portal circulation nutrient-rich

What does not move accross axons? a) neither electrons nor ions b) electrons c) ions and electrons d) ions

Main function of lymphatic circulation is

Identify the following as part of active transport or passive transport. transport protein binds with the needed molecule a. active transport b. passive transport

Gametogenesis is the term for a. the fertilization of eggs. b. the development of polar bodies. c. the movement of sperm. d. the production of gametes.

Why is glucose needed for cellular respiration?

Which type of galaxy probably started as a different shape and then changed over time

Why do scientist publish their work