8. Respiration

Introduction to Cellular Respiration

Cellular Respiration 1 - Overview

The text claims that the evolution of an oxygen-rich atmosphere paved the way for increasingly efficient cellular respiration and higher growth rates in organisms. Explain.

BioFlix: Cellular Respiration (Introduction)

Cellular respiration involves                   .
a. the aerobic metabolism of sugars in the mitochondria by a process called glycolysis;
b. an electron transport chain that releases carbon dioxide;
c. the synthesis of ATP, which is driven by the rushing of protons through an ATP synthase;
d, electron carriers that bring electrons to the citric acid cycle;
e. the production of water during the citric acid cycle

Animation: Overview of Cellular Respiration

Evaluate the following statements regarding motility in protists. Select True or False for each statement.
T/F Amoeboid motion is common in species with cell walls.
T/F Some protists use flagella to swim.
T/F Some protists use cilia to swim, which are shorter and more numerous than flagella.
T/F Amoeboid motion requires ATP and interactions between the proteins actin and myosin.

Introduction to Cellular Respiration Example 2

Aerobic Cellular Respiration is a Redox Reaction

Stages of Aerobic Cellular Respiration

A biochemist wanted to study how various substances were used in cellular respiration. In one experiment, she allowed a mouse to breathe air containing O2 “labeled” by a particular isotope. In the mouse, the labeled oxygen first showed up in
a. ATP.
b. NADH.
c. CO2.
d. H2O.

Introduction to Cellular Respiration Example 1

C6H12O6 is oxidized and O2 is reduced.

O2 is oxidized and H2O is reduced.

CO2 is reduced and O2 is oxidized.

O2 is reduced and CO2 is oxidized.

Which of the summary statements below describes the results of the following reaction?C6H12O6 + 6 O2 → 6 H2O + Energy a) C6H12O6 is oxidized and O2 is reduced.b) O2 is oxidized and H2O is reduced.c) CO2 is reduced and O2 is oxidized.d) O2 is reduced and CO2 is oxidized.

Cellular Respiration (UPDATED)

Oxygen is the final electron acceptor for lactic acid fermentation.

Oxygen is the final electron acceptor for alcohol fermentation.

Oxygen is the final electron acceptor for aerobic cellular respiration.

Oxygen is not important for the purposes of cellular respiration.

Based on the map of cellular respiration, why do we need to breathe in oxygen?a) Oxygen is the final electron acceptor for lactic acid fermentation.b) Oxygen is the final electron acceptor for alcohol fermentation.c) Oxygen is the final electron acceptor for aerobic cellular respiration.d) Oxygen is not important for the purposes of cellular respiration.

Remembering Stages of Aerobic Cellular Respiration

Map of the Lesson on Cellular Respiration

How Mitochondria Produce Energy

Animation: Energy Flow and Chemical Recycling

Which one of the following molecules is a by-product of cellular respiration?a) Water.b) Glucose.c) Pyruvate.d) Oxygen.e) ADP.

Oxidation of glucose to pyruvate; reduction of pyruvate; citric acid cycle; oxidative phosphorylation

No. Pyruvate is not reduced during cellular respiration.

Glycolysis; reduction of pyruvate; citric acid cycle; oxidative phosphorylation

No. The general sequence of events is correct; however, pyruvate is not reduced during cellular respiration.

Glycolysis; oxidative phosphorylation; citric acid cycle; oxidation of pyruvate

No. Although the events are accurately described, they are in the wrong order.

Oxidation of pyruvate; citric acid cycle; oxidation of glucose to pyruvate; oxidative phosphorylation

No. These are correct descriptions of the events of cellular respiration; however, the events are not in the correct sequence.

Oxidation of glucose to pyruvate; oxidation of pyruvate; citric acid cycle; oxidative phosphorylation

Think of the four major groups of reactions in cellular respiration.

Which of the following is a correct description of the events of cellular respiration in proper sequence?

What Is Cellular Respiration - How Do Cells Obtain Energy - Energy Production In The Body

What are the reactants and products of cellular respiration?

Cellular Respiration

Cellular Respiration Overview | Glycolysis, Krebs Cycle & Electron Transport Chain

BioFlix: Cellular Respiration

No. The reduction of CO2 is an energy-requiring process.

extract CO2 from the atmosphere

No. Cellular respiration produces carbon dioxide as a product.

No. Cellular respiration is a catabolic process.

No. Cellular respiration breaks down carbohydrates.

Why do you need to eat?

The function of cellular respiration is to __________.

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Redox Reactions

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