Exam 7: Photosynthesis: Using Light to Make Food

The electrons lost from the reaction center of photosystem II are replaced by electrons from

In photophosphorylation,energy from electron flow is used to transport from the to the thylakoid compartment,generating a concentration gradient of .

Which of the following colors contributes the least energy to photosynthesis?

According to this figure,how do H+ ions make their way from the stroma to the thylakoid interior?

Which of the following statements about the greenhouse effect is true?

Clusters of light- gathering pigments in a photosystem

cells in leaves are specialized for photosynthesis.

Ozone consists of _ _ oxygen atom(s).

Which of the following is an example of a photoautotroph?

Which of the following molecules is both a reactant and a product of photosynthesis?

CO2 enters and O2 escapes from a leaf via

It has been argued that cutting old- growth forests and replacing them with plantations of young trees would help to alleviate the threat of global greenhouse warming.What important fact does this argument ignore?

In the chloroplast,sugars are made in a compartment that is filled with a thick fluid called the

Plants use sugars as

What is the name given to organisms that can make their own food and thus sustain themselves without consuming organic molecules derived from other organisms?

In photosynthesis,the chemiosmotic production of ATP

Autotrophs that utilize light as their energy source are

Which of the following photosynthetic pigments can be found at the photosystem reaction center?

What is the likely origin of chloroplasts?

To produce one glucose,the Calvin cycle needs to be run through time(s).