Rad Bio Unit

The ATP cycle releases energy from ATP molecules when:

• a bond is broken in ATP releasing a phosphate

• a phosphate is bonded to ADP

• a bond is broken in a carbohydrate

• a phosphate is bonded to ATP

Tags

NGSS.HS-LS1-7

Paramecia are covered in cilia to interact with their environment and change location. Which statement best describes a direct role of ATP in a paramecium?

• ATP provides the energy to move cilia.

• ATP stores the genetic code for replication.

• ATP signals the presence of other nearby organisms.

• ATP senses changes in the surrounding aquatic environment.

Most prokaryotes and eukaryotes maintain a reserve of ATP. Which feature of prokaryotes and

eukaryotes makes the ATP reserve necessary?

• They have cell membranes.

• They can change over time.

• They use energy to function.

• They have the ability to reproduce.

Tags

NGSS.HS-LS1-7

A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation?

• The reaction produced water.

• The reaction consumed water.

• The reaction caused an output of energy.

• The reaction required an input of energy.

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-4

Which of the following organisms is a heterotroph?

• alga

• mushroom

• wheat

• sunflower

What is the function of NADPH and ATP in the light-independent reactions (Calvin cycle)?

• They provide the energy required to build high-energy sugars.

• They provide the energy to create needed oxygen.

• They provide the energy required to expel CO2.

• They provide enough energy for it to be stored for long periods.

The major products of the light-dependent reactions are

• ATP and NADPH

• NADPH and water

• O2 and C6H12O6

• ATP and biological macromolecules

Tags

NGSS.HS-LS1-5

The general chemical reactants that producers use to perform photosynthesis are:

• CO2 and H2O

• CO2 and H2

• C6H12O6 and O2.

• C6H12O6 and ATP

Tags

NGSS.HS-LS2-5

The photosystems contain pigments that absorb light and pass the energy in the form of electrons on to NADPH. Where do producers get additional electrons from?

• breakdown of oxygen molecules yielding water

• breakdown of water molecules yielding oxygen

• formation of water molecules yielding carbon dioxide

• breakdown of glucose molecules yielding carbon dioxide.

The diagram shows an energy transformation that typically occurs in plant cell plastids. Which statement best describes this role of plastids in the plant cell?

• Mitochondria transform light energy into chemical energy.

• Chloroplasts transform chemical energy into electromagnetic energy.

• Mitochondria transform chemical energy into electromagnetic energy.

• Chloroplasts transform light energy into chemical energy.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5