Summer School Biology - CH 4 - Sections I and IV Quiz

Energy from ATP is released when _____________.

• a phosphate group is added

• ATP is exposed to sunlight

• adenine bonds to ribose

• the bond holding the end phosphate group is broken

What type of organisms supply almost all of the energy in the biosphere?

• heterotrophs

• eukaryotes

• photosynthesizers

• predators

Animals that cannot make their own food are called __________.

• producers

• autotrophs

• photosynthesizers

• heterotrophs

Which is not a true statement about ATP?

• ATP consists of ribose, adenine, and a phosphate group.

• When ATP releases energy, ADP is formed.

• ATP provides energy for the mechanical functions of cells.

• Used ATP is discarded by the cell as waste.

Another name for heterotrophs is __________.

• consumers

• producers

• photosynthesizers

• algae

What are the three parts of an ATP molecule?

• adenine, thylakoids, and stroma

• stroma, grana, and pigment

• adenine, ribose, and a phosphate group

• NADH, NADPH, and FADH

The chief energy-storing molecule used by organisms is called ___________.

• the vacuole

• adenosine triphosphate

• pigment

• chlorophyll

A community of organisms and their abiotic environment.

• Environment

• Biosphere

• Ecosystem

• Community

Organisms that create their own energy from sunlight or chemicals

• Herbivore
• Omnivore
• Autotroph
• Heterotroph 

Where does the energy for the biosphere come from (almost entirely)?

• The oceans

• Volcanic vents

• The sun

• Lightning strikes