Biology Chapter 6: Cellular Respiration – Flashcards

Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is _____.

Which part(s) of cellular respiration require(s) oxygen gas?

What is/are the most important output(s) of glycolysis?

Unlike the Citric Acid cycle and electron transport, glycolysis occurs _____.

Glycolysis is the multi-step breakdown of _____. Several different _____ play a role in this process.

Which part(s) of cellular respiration take(s) place in the mitochondria?

What is the role of oxygen in cellular respiration?

Cellular respiration accomplishes two major processes: (1) it breaks glucose down into smaller molecules, and (2) it harvests the chemical energy released and stores it in ATP molecules. By the end of _____, the breakdown of glucose is complete; most ATP molecules are produced during _____.

NADH and FADH 2 are important in cellular respiration because they deliver high-energy electrons to the electron transport system. Electron transport produces _____ ATP molecule(s) per NADH molecule and _____ ATP molecules(s) per FADH 2 molecule

In electron transport, high-energy electrons "fall" to oxygen through a series of reactions. The energy released is used to _____.

Primarily, cellular respiration serves to _____.

The electron transport chain is a series of electron carrier molecules. In eukaryotes, where can this structure be found?

The electron transport chain is, in essence, a series of redox reactions that conclude cellular respiration. During these redox reactions, _____.

Cellular respiration completely breaks down a glucose molecule through glycolysis and the citric acid cycle. However, these two processes yield only a few ATPs. The majority of the energy the cell derives from glucose is _____.

Select the correct sequence of steps as energy is extracted from glucose during cellular respiration.

What is the correct general equation for cellular respiration?

Which of the following processes takes place in the cytosol of a eukaryotic cell?

In what organelle would you find acetyl CoA formation, the citric acid cycle, and the electron transport chain?

Which statement describes glycolysis?

Which statement describes the citric acid cycle?

Which statement describes the electron transport chain?

How do cells capture the energy released by cellular respiration?

Which of the following are products of cellular respiration?

Which of the following statements regarding cellular respiration is false?

The overall equation for the cellular respiration of glucose is

Humans use the calories they obtain from ________ as their source of energy.

A molecule that functions as the electron donor in a redox reaction _____.

During redox reactions,

Oxidation is the ________, and reduction is the ________.

During cellular respiration, NADH

Oxidative phosphorylation could not occur without glycolysis and the citric acid cycle, because _____.

Which of the following options lists the stages in cellular respiration in the correct order?

During which of the following phases of cellular respiration does substrate-level phosphorylation take place?

Glycolysis is the only stage of cellular respiration that _____.

As a result of glycolysis there is a net gain of ________ ATPs.

How many molecules of NADH are produced during glycolysis?

Pyruvate

Which step of the citric acid cycle requires both NAD+ and ADP as reactants?

At the end of the citric acid cycle, most of the energy remaining from the original glucose is stored in

In oxidative phosphorylation, electrons are passed from one electron carrier to another. The energy released is used to _____.

By-products of cellular respiration include

In the electron transport chain, the final electron acceptor is

Which of the following processes produces the most ATP per molecule of glucose oxidized?

Some friends are trying to make wine in their basement. They've added yeast to a sweet grape juice mixture and have allowed the yeast to grow. After several days they find that sugar levels in the grape juice have dropped, but there's no alcohol in the mixture. The most likely explanation is that

In yeast cells,

The function of cellular respiration is to _____.

Where does glycolysis occur in a eukaryotic cell?

Where do the reactions of the citric acid cycle occur in eukaryotic cells?

A small amount of ATP is made in glycolysis _____.

In preparing pyruvate to enter the citric acid cycle, which of the following steps occurs?

Most of the NADH that delivers high-energy electrons to the electron transport chain comes from _____.

The energy production per glucose molecule through the citric acid cycle is _____.

What happens to the energy that is given up by electrons as they move through the electron transport chain?

The ATP synthase in a human cell gets energy for making ATP directly from _____.

The enzyme ATP synthase catalyzes the phosphorylation of ADP to form ATP. In eukaryotic cells, the energy needed for this endergonic reaction is derived from

Where does most of the ATP produced in cellular respiration come from?

Through respiration, humans breathe in O2 and breathe out CO2. However, what would happen if we did not breathe in O2?

In the equation shown below, during cellular respiration _____ is oxidized and _____ is reduced.

Substrate-level phosphorylation directly generates ATP during a chemical reaction. As a single molecule of glucose is completely oxidized, in the presence of oxygen, how many molecules of ATP are gained by substrate-level phosphorylation?

During glycolysis, a molecule of glucose is partially oxidized. What is the net gain of ATP and NADH for each glucose molecule?

Sunlight is essential for the varied life on Earth. Sunlight provides energy to photosynthetic organisms by providing _____.

In a eukaryotic cell, the electron transport chain is precisely located in or on the _____.

Sodium fluoroacetate, or compound 1080, is a rodent poison that probably disrupts the citric acid cycle. In the body, the molecule is converted to a compound that prevents citrate from being used. Initially, when first exposed to this molecule, what is the theoretical energy produced per glucose molecule through the process of cellular respiration?

What is the fate of the electrons that are stripped from glucose during cellular respiration?

Using the ATP generated during cellular respiration, the intermediates of glycolysis and the citric acid cycle can be siphoned off and used to _____.

_____ is to a mitochondrion as _____ is to a chloroplast.

The principal molecules involved in transporting electrons to the electron transport chain are composed of _____.

Bacteria have no membrane-enclosed organelles. However, some still generate ATP through cellular respiration. Where is the electron transport chain found in these organisms?