What is true of glycolysis?

produces ATP through oxidative phosphorylation

What effect does adding an enzyme to a reaction cause?

decreases the activation energy

increasing the amount of energy necessary for the reaction

increases the activation energy

Increasing the time it takes for the reaction to occur

Succinate dehydrogenase catalyzes the conversation of succinate to fumarate. The reaction is inhibited by malonic acid, which resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the ratio of succinate to malonic acid reduces the inhibitory effect of the malonic acid. What is the purpose of using malonic acid in this experiment?

It blocks the binding of fumarate

It is a noncompetitive inhibitor

During competitive inhibition,

a substance competes for a spot on the active site

a substance consumes all of the available substrate

a substance attaches to a spot other than the active site

a substance breaks down the enzyme

What does glycolysis and fermentation have in common?

both occur only in the presence of oxygen

both utilize the electron transport chain

Which of the following questions will best direct an investigation of the mechanism of ATP synthase?

Is the phosphorylation of ADP by ATP synthase dependent on the formation of a proton gradient?

Can ATP synthase use the energy released by phosphorylation of ADP to pump protons against a concentration gradient?

What is the source of inorganic phosphate that is used to generate ATP from ADP?

Can oxidative phosphorylation be uncoupled from the electron transport chain?

Which of the following questions is most relevant to understand the Calvin Cycle?

How is ATP used in the formation of 3-carbon carbohydrates?

How is ATP produced in chemiosmosis?

How does chlorophyll capture light?

In the process of carbon fixation, RuBP attaches a CO2 to produce a 6-carbon molecule which is then split in two. After phosphorylation and reduction, what more needs to happen in the Calvin cycle?

Addition of a pair of electrons from NADPH

Inactivation of RuBP carboxylase enzyme

Succinate dehydrogenase catalyzes the conversation of succinate to fumarate. The reaction is inhibited by malonic acid, which resembles succinate but cannot be acted upon by succinate dehydrogenase. Increasing the ratio of succinate to malonic acid reduces the inhibitory effect of the malonic acid. Which of the following is correct?

Succinate is the substrate, and fumarate is the product.

Succinate dehydrogenase is the enzyme, and fumarate is the substrate.

Fumarate is the product, and malonic acid is the noncompetitive inhibitor.

Succinate dehydrogenase is the enzyme, and malonic acid is the substrate.

During what process is an ETC utilized?

respiration, photosynthesis, and fermentation

In chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP?

Energy released from movement of protons through ATP synthase

Energy released from ATP synthase pumping hydrogen ions from the mitochondrial matrix.

Energy released from substrate-level phosphorylation.

Energy released as electrons flow through the ETC.

Where do the light dependent reactions occur?

inner membrane of the mitochondria

The primary role of oxygen in cellular respiration is

Act as a final acceptor for electrons and hydrogen, forming water.

Combine with lactate, forming pyruvate.

Combine with carbon, forming CO2

Yield energy from the form of ATP as it is passed down the respiratory chain.

Which of the following statements regarding enzymes is true?

Enzymes increase the rate of reaction

Enzymes change the direction of chemical reactions

Enzymes decrease the free energy of a reaction

Enzymes are permanently altered by the reactions they catalyze

The reaction-center chlorophyll of PS I is known as P700 because

This pigment is best at absorbing light with wavelength of 700 nm

There are 700 PSI compounds to each chloroplast

It absorbs 700 photons per microsecond

The 700 chlorophyll molecules in the center

Which of the following is true for exergonic reactions?

The reactants proceed with a net release of free energy.

A net input of energy from the surroundings is required for the reaction to proceed.

Some reactants will be converted to products.

The products have more total energy than the reactants

Unit 3 ap bio

Authored by Santos undefined

Science

9th - 12th Grade

NGSS covered

Used 11+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is produced during the light dependent reactions?

ATP and NADPH

ATP

sugar

NADPH

Tags

NGSS.HS-LS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What occurs during anabolic reactions?

complex breakdown to simple

34ish ATP are produced

energy is made available

simpler combine to produce more complex

Tags

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where in the cell is ATP synthase located?

Both cristae membrane and thylakoid membrane

Both nuclear membrane and thylakoid membrane

In the thylakoid membrane of the chloroplast

In the cristae membrane of the mitochondria

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true of enzymes?

They are typically proteins

Functionality is dependent upon shape

They increase the rate of a reaction

Functionality is dependent upon temp and pH

All options are true of enzymes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following occurs during fermentation?

reduction of NADH

All answers are true

oxidation of NADH

oxygen is used to make ATP and oxidation of NADH

oxygen is used to make ATP

Tags

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enzyme X has an optimum rate of reaction at 97 degrees Fahrenheit. How would rate of reaction be affected if temperature fell to 92 degrees Fahrenheit?

increase - not as hot

decrease - cause a change in the shape of the protein

increase - more substrate would be produce

decrease - no substrate would be produced

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During photosynthesis, where do the electrons come from?

sunlight

carbon dioxide

water

Glucose

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Unit 3 ap bio

What is produced during the light dependent reactions?

What occurs during anabolic reactions?

Where in the cell is ATP synthase located?

Which of the following is true of enzymes?

Which of the following occurs during fermentation?

Enzyme X has an optimum rate of reaction at 97 degrees Fahrenheit. How would rate of reaction be affected if temperature fell to 92 degrees Fahrenheit?

During photosynthesis, where do the electrons come from?

What is true of glycolysis?

Which of the following is not a stage of the Calvin Cycle?

What term is used to describe the transfer of free energy from catabolic pathways to anabolic pathways?

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