Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 6.3, Problem 1TYK
Summary Introduction
Introduction:
The process of breaking down the complex molecules into small, simple molecules is described as catabolism. The main categories of organic molecules are proteins, lipids, carbohydrates, and
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In general, catabolic reactions
are oxidative and release energy
are reductive and require energy
are oxidative and require energy
are reductive and release energy
Which of the following is false concerning ATP?
A
The first and second phosphate bonds contain a lot of energy used to power cellular functions.
It contains lots of potential energy.
Is made by bonding ADP with a phosphate during cellular respiration.
D) Requires the actions of enzymes.
The major source of energy for most cells comes from
absorbing solar and geothermal energy.
utilizing high energy compounds.
breaking the last bond in ATP.
making the last bond in ATP.
Chapter 6 Solutions
Principles of Biology
Ch. 6.1 - Which do you think has more entropy, an NaCl...Ch. 6.1 - Prob. 1TYKCh. 6.1 - Prob. 2TYKCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.2 - Prob. 1TYKCh. 6.2 - An inhibitor raises the Km for an enzyme but has...Ch. 6.3 - Prob. 1CCCh. 6.3 - Prob. 1TYK
Ch. 6.3 - Prob. 2TYKCh. 6.3 - Prob. 3TYKCh. 6.4 - Prob. 1CCCh. 6.4 - Prob. 1BCCh. 6.4 - Prob. 1TYKCh. 6.4 - Prob. 2TYKCh. 6.4 - Prob. 2CCCh. 6.5 - Prob. 1TYKCh. 6.6 - During the citric acid cycle, what happens to...Ch. 6.7 - Prob. 1CCCh. 6.7 - Prob. 2CCCh. 6.7 - Prob. 3CCCh. 6.7 - Prob. 1TYKCh. 6.7 - Prob. 2TYKCh. 6.7 - Prob. 3TYKCh. 6.8 - Prob. 1CCCh. 6.8 - Prob. 1TYKCh. 6 - According to the second law of thermodynamics....Ch. 6 - Reactions that release free energy are exergonic....Ch. 6 - Prob. 3TYCh. 6 - Prob. 4TYCh. 6 - Prob. 5TYCh. 6 - Prob. 6TYCh. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Prob. 10TYCh. 6 - Describe the mechanism and purpose of feedback...Ch. 6 - What causes the rotation of the y subunit of ATP...Ch. 6 - PRINCIPLES A principle of biology is that living...Ch. 6 - Discuss how life can maintain its order in spite...Ch. 6 - Prob. 2CBQ
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- Energy is stored long-term in the bonds of _____ and used short-term to perform work from a(n)_____molecule. a. ATP : glucose b. an anabolic molecule : catabolic molecule c. glucose: ATP d. a catabolic molecule : anabolic moleculearrow_forwardThe capacity to do work best defines: a metabolic pathway. entropy. kinetic or potential energy. a chemical equilibrium. thermodynamics.arrow_forwardMC: Which of the following are true of an enzyme? An enzyme is never needed for an exothermic reaction An enzyme works by minimizing the AG An enzyme is never consumed in a reaction An enzyme is not always a proteinarrow_forward
- The hydrolysis of ATP can occur via more than one pathway. Which one yields the most energy, and what is involved? ATP to ADP, 2 water molecules ATP to AMP, 1 water molecule ATP to AMP, 2 water molecules ATP to ADP, hydride ion ATP to AMP, hydride ionarrow_forwardEnzymes are catalysts that increase the rate of reactions by pulling two substrates together. lowering the energy of activation. binding to a substrate and releasing protons. binding to a substrate and producing energy.arrow_forwardWhich of the following will occur if there is an increase in enzyme or substrate concentration? interfere with the reaction. increase the rate of reaction. decrease the rate of reaction. not change the rate of product produced reduce the rate of product produced.arrow_forward
- Indicate whether each of the following statements about enzyme terminology is TRUE or FALSE. All conjugated enzymes contain a cofactor. An apoenzyme has both a protein and nonprotein part. Metal ions cannot be present in a cofactor. An apoenzyme is present in all holoenzymes. Simple enzymes cannot contain cofactors. A holoenzyme has both a protein and nonprotein part. Metal atoms are present in all conjugated proteins. A cofactor is present in some, but not all, conjugated enzymes.arrow_forwardWhich of the following statements about anabolism is false? O As a rule, the anabolic pathway by which an organism makes a substance is the exact reverse of the catabolic pathway. Anabolic reactions "spend" ATP by transferring a phosphate group to another molecule. O Pathways that synthesize larger biomolecules from smaller ones are known as anabolism. Gluconeogenesis is the anabolic pathway by which organisms make glucose from pyruvate.arrow_forwardWhich of the following is/are TRUE of an enzyme? Enzymes lower the release of free energy Enzymes are not consumed in a reaction Not all enzymes are proteins Enzymes only affect endergonic reactions Enzymes only affect exergonic reactionsarrow_forward
- Enzymes are key components in biological reactions. Which of the following statements about enzyme function in biological systems is FALSE? Enzymes are key components in biological reactions. Which of the following statements about enzyme function in biological systems is FALSE? Enzymes increase the rate of a reaction, but do not change the free energy of a reaction. Enzymes frequently work in metabolic pathways, such that the activity of one enzyme can affect the activity of a second enzyme in the pathway by altering the concentration of a substrate or product of the second enzyme. Enzymes will alter the equilibrium of a reaction such that the enzyme increases the exergonic reaction relative to the endergonic reaction. Even if the enzyme forms a bond with a substrate during a reaction, the enzyme returns to its original form at the end of the reaction.arrow_forwardIn order to avoid wasting cell resources, feedback mechanisms to regulate enzyme activity are a feature of: Group of answer choices. Choose Allostery Kinetics Thermodynamics Metabolismarrow_forwardWhich of the following statements regarding ATP is FALSE? ATP is derived from a B vitamin. ATP holds energy in the covalent bonds between negatively charged phosphate groups. OATP can transfer it's terminal phosphate to other molecules forming high- energy intermediates. The formation of ATP from ADP is an endergonic reaction. ATP is similar to GTP in that they are both phosphate carriers.arrow_forward
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