Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
11th Edition
ISBN: 9780133910605
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 32, Problem 1MC
Which of the following statements is False?
a. Overheating to 108˚F is likely to disrupt covalent bonds in enzymes.
b. Overly acidic conditions can disrupt protein structure.
c. Low body temperature will reduce the rate at which enzymes catalyze reactions.
d. Considerable
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Homeostatic systems maintain a steady-state set point over time using negative feedback. Which one of the following statement is NOT TRUE for stability of metabolic system:
Select one:
a. Step changes in a controlled variable will return the system to its original state using negative feedback
b. Metabolic systems that oscillate must have multiple control variables
c.A positive feedback system is stable over time, maintaining a steady state
d. Perturbations from steady state, either positive or negative, result in recovery reactions that returm the system to is original state.
Which of the following is true about the phosphorylation of proteins?
A. Proteins are usually phosphorylated at amino acids that have hydroxyl group-containing side chains.
B. Phosphorylation of proteins is catalyzed by phosphatases.
C. Phosphoryation always activates enzymes.
D. The specificity in phosphorylation is conferred solely by the amino acid to be phosphorylated.
Bile Salts are:
a. a mixture of amphipathic molecules which emulsify fatty acids in the small intestine
b. enzymes present in saliva that digest proteins into amino acids
c. made by the liver and secreted from the gall bladder into the duodenum
d. enzymes that digest “dietary fiber” (cellulose) in the esophagus
e. enzymes present in saliva that make bread taste sweet after chewing
Chapter 32 Solutions
Biology: Life on Earth with Physiology Plus Mastering Biology with Pearson eText -- Access Card Package (11th Edition)
Ch. 32.1 - Prob. 1CSCCh. 32.1 - define homeostasis and explain why organisms...Ch. 32.1 - Prob. 1HYEWCh. 32.1 - What would happen if a cold, shvering mammal...Ch. 32.1 - Prob. 2CSCCh. 32.1 - explain the difference between ectotherms and...Ch. 32.1 - Prob. 3CYLCh. 32.1 - Prob. 4CYLCh. 32.2 - Prob. 1CSRCh. 32.2 - By pumping carbon dioxide and other greenhouse...
Ch. 32.2 - Prob. 1CYLCh. 32.2 - Prob. 1ETCh. 32.2 - describe the four types of tissues?Ch. 32.2 - name and describe the major human organ systems?Ch. 32 - Why does life on land present particular...Ch. 32 - The ability of the body to maintain its internal...Ch. 32 - Which of the following statements is False? a....Ch. 32 - Define homeostasis, and explain how negative...Ch. 32 - Prob. 2ACCh. 32 - Prob. 2FIBCh. 32 - Prob. 2MCCh. 32 - Define and compare ectotherms and endotherms....Ch. 32 - Imagine you are a health care professional...Ch. 32 - Prob. 3FIBCh. 32 - Prob. 3MCCh. 32 - Prob. 3RQCh. 32 - Glands with ducts connecting them to the...Ch. 32 - Prob. 4MCCh. 32 - Prob. 4RQCh. 32 - Prob. 5FIBCh. 32 - Which of the following statements is True? a....Ch. 32 - Prob. 5RQCh. 32 - what property distinguishes connective tissue from...Ch. 32 - Prob. 7RQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true?a. Triglycerides have the least energy content per gram of the three majorenergy sources in the body.b. Fat catabolism generates new triglycerides for storage in adipose tissue.c. By mass, the total-body content of carbohydrates exceeds that of total triglycerides.d. Catabolism of fatty acids occurs in two-carbon steps.e. Triglycerides are the major lipids found in plasma membranesarrow_forwardWhich of the following choices describes a likely metabolic consequence of thiamin deficiency in animals. Select one: a. Increased gas production in the rumen b. Impaired vision c. Decreased ATP synthesis d. Increased osmotic water influx into the lumen of the small intestine e. Increased serum cholesterol in the bloodarrow_forwardWhich of the following statements regarding protein phosphorylation is FALSE? Select one: A. Phosphorylation is catalyzed by enzymes called protein kinases. B. Phosphorylation inhibits the activity of enzymes C. Aspartate residues can be phosphorylated. D. Phosphorylation is a reversible covalent modification of enzymes. Which is usually the slowest way to regulate a reaction in a metabolic pathway? Select one: A. Allosteric modulation B. Covalent modification C. Changing the enzyme concentration D. All of the above are usually equally as fastarrow_forward
- The following statements are either True or False. Please label accordingly. a. L-Amino reductase is an enzyme. b. Allosteric enzymes are composed of two or more protein chains. Heavy metals are examples of inhibitors. They function by binding to sulfur on cysteine amino acid residues. C. d. A reversible noncompetitive inhibitor temporarily blocks an enzyme's active site. Enzymes don't denature as easily as smaller proteins when heated or stressed due to their complex secondary and tertiary structure. e. Oxidative phosphorylation is the biochemical process by which ATP is synthesized from ADP when protons cross the inner mitochondrial membrane. f. g. DNA and RNA strands differ only in the fact that DNA forms a double helix. h. There is no secondary structure in RNA strands.arrow_forwardWhich of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsarrow_forwardWhich of the following is a primary function of the active site of an enzyme? a. It binds allosteric regulators of the enzyme. b. It binds noncompetitive inhibitors of the enzyme. c. It catalyzes the reaction associated with the enzyme. d. It is activated by the presence of the end product of the metabolic pathway in which the enzyme is involved. Clear my choice Question 2 Not yet answered Points out of 2.00 Flag question Question text Which of the following statement about the mass spectrometry is true? a. Large amount of protein sample is needed for mass spectrum, and thus it is very expensive. b. It is a powerful method to determine the 3-dimensional structure of proteins. c. It can be sued for protein location in a living cell. d. It can be used to measure the molecular weight of proteins. e. It can be used to determine the stability of a protein structure in solution. Clear my choice…arrow_forward
- Which of these statements about ATP is true?a.The bond joining ADP and the third phosphate is a high-energy bond.b.The formation of ATP is coupled to energy-liberating reactions.c.The conversion of ATP to ADP and Pi provides energy for biosynthesis, cell movement, and other cellular processes that require energy.d.ATP is the “universal energy carrier” of cells.e. .All of these are true.arrow_forwardEnzymes play a fundamental role in cell function. Regarding the biochemistry of enzymes, which of the following statements is correct? A. Enzymes increase the number of molecules that get to the transition state. B. Enzymes increase the rate of a spontaneous reaction by lowering the ΔG. C. Enzymes increase the enthalpy (H) of the products compared to the reactants. D. Most enzymes can bind and react with a wide range of different substrate molecules.arrow_forwardWhich of the following statements concerning enzymes is TRUE? a. Enzymes can increase the equilibrium constant of a reaction by 1000-fold. b. The activity of many enzymes can be regulated. c. Many enzymes are consumed in the reactions they catalyze. d. The rate of enzymatic catalysis is independent of pH.arrow_forward
- Which of the following statements is (are) accurate about aerobic and anaerobic respiration?a. Aerobic respiration is best for sprints.b. Anaerobic respiration is best for long distances because it does not need large amounts of oxygen.c. Aerobic respiration is faster.d. Aerobic respiration produces more energy per glucose molecule.e. Both aerobic respiration and anaerobic respiration start with glycolysis.arrow_forwardAmong the given statements, which ones are correct about the biological functions and commercial uses of carbohydrates? A. Glucose serves as the substrate for photosynthesis in plants. B. Glycogen serves as a repository of glucose in the myocytes. C. The cell wall of plants is reinforced by a polymer of beta-D-glucose. D. Lactose is widely used as filler in tablets and capsules in the pharmaceutical industry. E. Corn extract is commercially hydrolyzed to yield fructose-rich sweeteners.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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY