Proteins have very specific functions. Which of the following protein isnot correctly described.PeCanSelect one:a.Venom - secreted by some animals to function in defenseDoesb. Myosin - found in muscle cells functions in movementIs watc. Amylase - secreted in human saliva functions in lipid digestionWhat vd. Keratin - found in hair and nail have structural functionhttps://scieWhat HMar 13, 20:( Previous pageFinish reviewThese molehttps://bio.librJump to...2.2A: Wat742DECMacBook ProCSUescwhange/Wek et l-Mandoryrde!@#$%&134QWERYtabASD FGH.caps lockC VshiftCOヒN

Option c is incorrect. Amylase is secreted from human salivary gland which is also known as ptylin…

Proteins have very specific functions. Which of the following protein is not correctly described. Select one: a. Venom - secreted by some animals to function in defense b. Myosin - found in muscle cells functions in movement C. Amylase - secreted in human saliva functions in lipid digestion d. Keratin - found in hair and nail have structural function

Proteins have very specific functions. Which of the following protein is not correctly described. Select one: a. Venom - secreted by some animals to function in defense b. Myosin - found in muscle cells functions in movement C. Amylase - secreted in human saliva functions in lipid digestion d. Keratin - found in hair and nail have structural function

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter3: Biological Molecules: The Carbon Compounds Of Life

Section: Chapter Questions

Problem 1ITD

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In contrast to other fatty acids, essential fatty acidsa. are always saturated fats.b. cannot be synthesized by the organism and are necessary forsurvival.c. can act as building blocks for large, more complex macromolecules.d. are the simplest form of lipids found in plant cells.e. are structural components of plasma membranes.
Which of the following statement(s) correctly describe(s) fibrous proteins? A Insoluble B Irregular amino acid sequence C Not so sensitive to changes in pH & heat D Shape is long and narrow
Which of the following statements is/are TRUE for globular proteins? A. sensitive to changes in pH & heat B. regular amino acid sequence C. soluble in water D. structural role
a) what are the functions of protein in the human body
What causes a protein to fold? A. Chemical interactions between the specific R-groups of the protein chain B. Chemical interactions that draw certain nucleotides together C. Chemical attractions between amino groups and acid groups that form covalent bonds D. The protein folds into the shape that is most physically stable, depending upon the number of amino acids in the chain
Which of the following statements are correct about protein folding (select all that appy)? A. Protein folding is a very slow process with most proteins requiring >30 min to go from unfolded to native conformation B. The mature two-chain form of insulin spontaneously folds into the native conformation C. A sharp transition in the presence of denaturants (See Figue 8.1) suggests the protein folds without intermediates D. Proteins randomly sample each possible conformation before arriving final native state E. Proteins with disulfide bridges tend not follow a simple two-state folding mechanism.
Pepsin is the name given to a mix of several digestive enzymes secreted (as larger precursor proteins) by glands that line the stomach. Theseglands also secrete hydrochloric acid, which dissolves the particulate matter in food, allowing pepsin to enzymatically cleave individual protein molecules. The resulting mixture of food, HCl, and digestive enzymes is known as chyme and has a pH near 1.5. What pI would you predict for the pepsin proteins? What functional groups must be present to confer this pI on pepsin? Which amino acids in the proteins would contribute such groups?
……….. is (are) composed of two or more subunits, quaternary structure, presents normally in skeletal muscle and heart. Serum levels (activity) of this molecule is elevated in heart attack, trauma, or surgery A. Lactate dehydrogenase B. Creatine phosphokinase (creatine kinase) C. Insulin D. Myoglobin E. All of the above F. A and B
Which of the following statements about amino acids is true? A. Twenty two amino acids are commonly found in proteins. B. Amino acids are often linked together to form branched polymers. C. All amino acids contain an NH2 and a COOH group. D. Most of the amino acids used in protein biosynthesis have charged side chains.
Which of the following is not an example of a protein? a) Hemoglobin b) Keratin c) Insulin d) Chitin
The amino acids in proteins are classified based on how they interact within the biological system. One class of amino acids are nonpolar. The number of carboxyl groups and amino groups present, respectively, in this class is: a. 2 and 2 b. 2 and 1 c. 1 and 3 d. 1 and 2 e. 1 and 1
Some diets suggestseverely restricting the intake of lipids. Why is it nota good idea to eliminate all lipids from the diet?