Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13.1, Problem 1COMQ
Summary Introduction
Introduction:
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What is meant by the term cellular respiration?
A. The process by which cells breath
B. The process by which cells make their own food by assembling chemical bonds.
C. The process by which cells break down the chemical bonds in food to get energy
D. The process by which cells make oxygen for us to use in our bodies.
In the regulation of enzymes, which of the following represents a regulation process in which different forms of the same enzyme (which differ in amino acid sequence) controls the activity of the enzyme.
a Protein modification
b Allosterism
c Feedback control
d Isoenzymes
How could you use the diversity of metabolic pathways that produce the same or similar products to critique this argument?
Rank the steps from first to last.
a. New enzymes cause modification of the pathway in an advantageous way. b. The biochemical pathway is gradually modified. c. A pathway exists and accomplishes some functions. d. An organism with cellular enzymes has mutations that allow new enzymes to arise.
Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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Similar questions
- ________ is a regulatory mechanism in which the end product of a metabolic pathway inhibits an enzyme that catalyzes an early step in the pathway. a. Cooperative inhibition b. Feedback inhibition c. Allosteric inhibition d. Non-competitive inhibition e. Metabolic inhibitionarrow_forwardWhich of the following choices BEST describes metabolism? a. breakdown of biomolecules b. controlled by enzymes and involved ATP c. all of the choices are correct d. synthesis of biomoleculesarrow_forwarda) Briefly discuss aerobic and anaerobic glycolysis.b) Explain the phenomenon of "induced fit" using hexokinase as an example.c) Explain how enzymes function as molecular catalysts.d) ‘The origin of life is a co‐evolutionary process.’ Briefly explain.e) How does insulin maintain glucose level?arrow_forward
- What is it called when the final product of an enzymatic pathway acts as a modulator for the first enzyme in the pathway? a. isoenzyme activation b. relative specificity c. feed back inhibition d. competitive inhibitionarrow_forwardEnzymes catalyze a chemical reaction by A. decreasing the amount of ATP required to activate a reaction B. increasing the amount of ATP required to activate a reaction C. slowing down the reaction to obtain more products D. increasing the reaction to obtain more products E. decreasing the amount of ATP required and obtaining more products.arrow_forwardCells are able to extract energy from glucose during cellular respiration. Which of the following contributes to the release of energy? Answer can be multiple a Creating energy by breaking C-H and C-C bonds. b Breaking high energy bonds to release their energy. c Replacing glucose's high energy bonds with new low energy bonds. d The formation of strong C-O and O-H bonds.arrow_forward
- ATP is : A) produced in the mitochondria of cells B) produced in the nucleus of cells C) produced outside of the cells D) produced only in response to exercisearrow_forwardCyanide is a highly toxic molecule. It bonds to a cytochrome in the electron transport chain located in the mitochondria, rendering the electron transport chain useless. The ingestion of cyanide, therefore, results in death due to which of the following? a) Starvation, due to an inability to create glucose. b) Build up of lactic acid. c) Inability to take in oxygen through the lungs. d) Cellular death from lack of energy.arrow_forwardThe effect of high levels of ADP is to_inv_cellular respiration. a. increase the activity of specific enzymes b. decrease the activity of specific enzymes c. have no effect on the activity of specific enzymes d. slow down the pathwayarrow_forward
- Which of the following is not true about enzymes? a. They are consumed by the reactions they catalyze. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardWhich of the following is not true about enzymes?a. They are consumed by the reactions they catalyze.b. They are usually made of amino acids.c. They lower the activation energy of chemical reactions.d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardWhat distinguishes a linear metabolic pathway from a cyclic metabolic pathway? A. The last step of the pathway regenerates a reactant for the first step. B. The product inhibits an enzyme in the pathway, slowing or stopping the metabolic pathway. C. A linear pathway runs straight in one direction from reactant to product. D. Enzymes convert reactants into intermediates before separate enzymes convert intermediates into products.arrow_forward
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