Which is a shared characteristic of all animals?

A)

are unicellular

B)

are vertebrates

C)

are invertebrates

D)

are multicellular

What is another name for Calvin Cycle?

If the government wants to reduce the burning of fossil fuels, it should impose a tax on a. sellers of gasoline. b. either buyers or sellers of gasoline. c. whichever side of the market is less elastic. d. buyers of gasoline.

Which groups of viruses require an rna-dependent rna polymerase?

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? What is created when an enzyme and a substrate combine together?

By definition, a vitamin is all of the following except: a. indispensable to body function b. a caloric nutrient c. required to prevent deficiency diseases d. an organic compound e. required in minute quantities

3 ways that living creatures use lipids

Absolute dating can be determined by which of the following. Select all that apply. A. tree-ring patterns B. Earth's magnetic field C. a historian's journal D. coral growth cycle E. radioactivity F. photo comparison

What conditions cause the contractile vacuole to fill with water?

Which of the following is most likely responsible for the fact that organic molecules no longer formed spontaneously on Earth? A. The amount of UV radiation increased B. The amount of oxygen in the atmosphere increased C.

EDTA is a/an: A: clotting factor B: Plasma protein C: anticoagulant D: hematology stain