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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Chapter 3, Problem 8TY
Summary Introduction
Introduction:
Proteins play an important role in the body. Protein helps in the growth and development of the body, as well as protein acts as enzymes that help in biochemical reactions occur in the body. Proteins are made up of 20 different amino acids.
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Which of the following statements about proteins is correct?
There are 20 types of amino acids commonly found in proteins.
Proteins are composed of glyosidic bonds.
Proteins are never folded.
They do not contain any hydrophilic or hydrophobic residues.
Peptide bonds are composed of only carbon and oxygen atoms.
A dipeptide consists of how many amino acids, and how many peptide bonds?
three amino acids, and three peptide bonds
three amino acids, and four peptide bonds
three amino acids, and two peptide bonds
two amino acids, and three peptide bonds
two amino acids, and one peptide bond
In proteins, which of the following are the characteristic patterns that arise when hydrogen bonds form between amino acids?
A. Quaternary structure.
B. Tertiary structure
C. Primary structure
D. Secondary structure
Chapter 3 Solutions
Principles of Biology
Ch. 3.1 - Carbon has an atomic number of ___________ and has...Ch. 3.1 - Prob. 2TYKCh. 3.2 - Formation of polymers from monomers typically...Ch. 3.3 - Which of the following classes of organic...Ch. 3.4 - Prob. 1CCCh. 3.4 - Prob. 1BCCh. 3.4 - Glucose, galactose, and fructose are examples of...Ch. 3.4 - _____________ is a storage polysaccharide commonly...Ch. 3.5 - When water and oil are added to a test tube, the...Ch. 3.5 - For a more detailed view of the components of cell...
Ch. 3.5 - Hydrolysis of a triglyceride yields 3 glycerols...Ch. 3.5 - Which of the following are highly amphipathic?...Ch. 3.6 - Which of the following is the primary structure of...Ch. 3.6 - A peptide bond is formed between amino groups of...Ch. 3.7 - If the sequence of bases in one strand of a DNA...Ch. 3.7 - Prob. 1TYKCh. 3.7 - Which of the following is not found in DNA?...Ch. 3 - Which of the following is a common functional...Ch. 3 - Prob. 2TYCh. 3 - Prob. 3TYCh. 3 - Which of the following bonds is/are nonpolar?...Ch. 3 - Prob. 5TYCh. 3 - Prob. 6TYCh. 3 - Prob. 7TYCh. 3 - Prob. 8TYCh. 3 - Prob. 9TYCh. 3 - Prob. 10TYCh. 3 - Imagine that a proteins primary structure could...Ch. 3 - Explain the difference between saturated and...Ch. 3 - Prob. 3CCQCh. 3 - Prob. 1CBQCh. 3 - Prob. 2CBQ
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- Which of the following is the carbohydrate, the fatty acid, the amino acid, and the polypeptide? a. +NH3CHRCOO b. C6H12O6 c. (glycine)20 d. CH3(CH2)16COOHarrow_forwardThe monomers that make up proteins are called_____. a. nucleotides b. disaccharides c. amino acids d. chaperonesarrow_forwardWhich of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternaryarrow_forward
- _______ are to protein as ______ are to nucleic acids. a. Sugars; lipids c. Amino acids; hydrogen bonds b. Sugars; proteins d. Amino acids; nucleotidesarrow_forwardCellulose and starch are examples of______. a. monosaccharides b. disaccharides c. lipids d. polysaccharidesarrow_forwardThe monomers of proteins are __________, and these are linked bypolar covalent bonds commonly referred to as _______________.a. nucleotides, peptide bondsb. amino acids, ester bondsc. hydroxyl groups, ester bondsd. amino acids, peptide bondse. monosaccharides, glycosidic linkagesarrow_forward
- What type of bonding is present in the primary structure of proteins? A. peptide bond B. hydrogen bond C. ionic bond D. more than one choice is correctarrow_forwardWhich of the following statement(s) about proteins is true? a. proteins are polymers of amino acids chemically joined by dipeptide bondsb. proteins have 4 functional levelsc. proteins can be irreversibly denaturedd. fibrous proteins are functional and globular proteins are structurale. none of the abovearrow_forwardA protein is composed of amino acids, which are held together by the covalent bonds known as: phosphodiester bonds ester bonds glycosidic bonds ether bonds peptide bondsarrow_forward
- Which of the following statement(s) regarding the ends of polysaccharides are true? All polysaccharides have one or more reducing end. Some polysaccharides may have no reducing end. Some polysaccharides may have one reducing end and many non-reducing ends. A and C. B and C.arrow_forwardWhich of the following group(s) can be found in both an amino acid and a protein? a. Rgroup (side chain) only b. Free amino group and carboxyl group c. Free amino group, free carboxyl group and R groups d. Carbonyl group and free amino group and R groupsarrow_forwardComplex carbohydrates are comprised of which of the following? Disaccarides Oligosaccarides Polysaccharides All of abovearrow_forward
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