Chapter 4 biology

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Pyruvate

Before cellular respiration, glucose is broken down in glycolysis into 2 3-carbon molecules called

Sunlight

Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of

has a phosphate group removed

Energy is released from an ATP molecule for cellular processes when it

capture the transfer energy

The function of the light-dependent reactions is to

Carbon dioxide

The light-independent reactions of photosynthesis need

Chlorophyll

The main light-absorbing molecules found in plant leaves are called

Glycolysis

The part of cellular respiration in which glucose is broken down is called

Mitochondria

The part of cellular respiration that needs oxygen takes place inside the

ATP and carbon dioxide

Two products of the krebs cycle are

Producer

What is the term for an organism that makes its own source of chemical energy?

ATP

What molecule carries chemical energy that cells use for their functions?

Krebs Cycle

What provides the electron transport chain in cellular respiration with the energy it needs

the breakdown of carbon-based molecules into smaller molecules

Where does the chemical energy to produce ATP come from?

Alcohol

Which end product of alcoholic fermentation is important in baking?

Lactic acid

Which end product of fermentation causes the burning feeling in muscles that are working hard?

carbon dioxide

Which of the following is a reactant in photosynthesis?

Chemical compounds

Which of the following is the source of energy used in chemosynthesis?

Carbohydrates

Which of the following molecules found in the foods we eat is most commonly broken down to make ATP?

Carbon-based molecules from food and oxygen are used to make ATP

Which of the following statements best describes cellular respiration?

chloroplasts absorb sunlight and store chemical energy

Which of the following statements best describes the process of photosynthesis?

they use chemical energy

Which of the following statements is true for all cells?

Animals only

Which of the following types of organism uses cellular respiration for their cellular energy

Takes place without oxygen

Which phrase about fermentation is correct

carries energy

Which phrase best describes the function of the ATP molecule?

allows glycolysis to continue making small amount of ATP

Which phrase best describes the main role of fermentation?

Cellular respiration

Which process breaks down sugars to make ATP when oxygen is present?

The runner's cells are making up for an oxygen deficit

Why does a runner breathe hard for a few minuets after finishing a race?


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