The structural material used in the cell walls of plants is called:

a. glucose

c. cellulose

b. chlorophyll

d. carbohydrate

What type of data do scientists use to predict tornadoes?

The anaerobic process is less efficient than complete cellular respiration because the anaerobic process a) two steps are used to break down food b) oxygen is added to break down food c) the food is broken down into carbon dioxide and water d) less

Which two organisms are closely related? A. Lamprey and gorilla B. Salamander and lizard C. Tiger and shark D. Lizard and lamprey

What problems might be caused by red blood cells that are sickle-shaped or have abnormal shapes?

Sister chromatids separate into individual chromosomes in what phase

The plasma membrane controls what enters and leaves the cell

What type of UV light is used during tanning beds and why is it so dangerous?

As a seed plant grows the roots grow downward due to the force of

Egg laying land animals have evolved to produce eggs with tough shells to ensure that

Which of the following statements describes a proton of an atom? A has a negative charge and is located in the nucleus. B has no charge and is located in the nucleus C has a positive charge and is located in outer energy levels.