EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
12th Edition
ISBN: 8220103633604
Author: KELLER
Publisher: PEARSON
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Chapter 2, Problem 36SAE
What is the structural unit of
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The following define nucleic acids EXCEPT
A) They are polyionic molecules of high molecular weight composed of subunits or monomers called nucleosides.
B) They are chainlike macromolecules that function in the storage and transfer of genetic information.
C They are polynucleotides.
They contain genes that encode for polypeptides and RNAS.
Compare nucleic acids with polysaccharides. Which of the following is NOT true?
Group of answer choices
A) Both have monomers that contain simple sugars.
B) Both function as structural support for cells.
C) Both types of molecules are organic.
D) Both are polymerized by dehydration reactions.
.
Which of the following types of bonds are not involved in maintaining the tertiary
structure of proteins?
A) Hydrogen Bonds
B) Disulfide Bonds
C) Ionic Bonds
D) Peptide Bonds
Chapter 2 Solutions
EBK ESSENTIALS OF HUMAN ANATOMY & PHYSI
Ch. 2 - Prob. 1MCCh. 2 - 2. Pick out the correct match(es) of element and...Ch. 2 - Important functions of water include which of the...Ch. 2 - 4. Alkaline substances include which of the...Ch. 2 - Glucose is to starch as a. a steroid is to a...Ch. 2 - 6. What lipid type is stored in fat deposits...Ch. 2 - Absence of which of the following...Ch. 2 - ATP is not associated with a. a basic nucleotide...Ch. 2 - The element essential for normal thyroid function...Ch. 2 - 10. Factors that increase the speed of chemical...
Ch. 2 - Why is a study of basic chemistry essential to...Ch. 2 - Matter occupies space and has mass. Explain how...Ch. 2 - Prob. 13SAECh. 2 - Prob. 14SAECh. 2 - Prob. 15SAECh. 2 - Prob. 16SAECh. 2 - All atoms are neutral. Explain the basis of this...Ch. 2 - Fill in the following table to fully describe an...Ch. 2 - Define radioactivity. If an element has three...Ch. 2 - Prob. 20SAECh. 2 - Prob. 21SAECh. 2 - Prob. 22SAECh. 2 - The two oxygen atoms forming molecules of oxygen...Ch. 2 - Prob. 24SAECh. 2 - 25. Identify each of the following reactions as a...Ch. 2 - Prob. 26SAECh. 2 - Prob. 27SAECh. 2 - 28. Define pH. The pH range of blood is from 7.35...Ch. 2 - Prob. 29SAECh. 2 - Prob. 30SAECh. 2 - Prob. 31SAECh. 2 - Prob. 32SAECh. 2 - 33. Name the two protein classes based on...Ch. 2 - Prob. 34SAECh. 2 - Prob. 35SAECh. 2 - 36. What is the structural unit of nucleic acids?...Ch. 2 - Prob. 37SAECh. 2 - 38. Explain why you can “stack” water slightly...Ch. 2 - Water is a precious natural resource in...Ch. 2 - Explain the unique chemical makeup and...Ch. 2 - 41. Several antibiotics act by binding to certain...Ch. 2 - 42. Mrs. Roberts, who is in a diabetic coma, has...Ch. 2 - Sarah is quite proud of her slender, model-like...Ch. 2 - Prob. 44CTCh. 2 - Prob. 45CT
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- How many amino acids and peptide bonds does a tetrapeptide have? A) four amino acids and three peptide bonds B) four amino acids and four peptide bonds C) three amino acids and four peptide bonds D) four amino acids and two peptide bondsarrow_forwardThe following structurally define nucleic acids EXCEPT Molecularly, they contain genes that encode for polypeptides and RNA molecules. They are chainlike macromolecules that function in the storage and transfer of genetic information. (C) They are polynucleotides connected covalent linkages. They are polyionic molecules of high molecular weight composed of a specific sequence of subunits called nucleosides.arrow_forwardHow many different molecules composed of (a) two, (b) three, and (c) four amino acids, linked together by peptide bonds, can be made from the set of 20 naturally occurring amino acids?arrow_forward
- What constitutes the backbone of a nucleic acid?arrow_forwardSeveral substances found in nature or within living organisms themselves are essential to the life. Thus, for each of the following substances, please give a concrete example briefly describing how their properties make them essential to life. A) Acid (pH below 7) B) Lipidarrow_forwardWhere do terms 5’, 3’ in nucleic acids come from?arrow_forward
- DNA and RNA are examples of which FAMILY of BIOLOGICAL MACROMOLECULES? What are the five specific differences between them?arrow_forwardWhich of the following structures represent the same stereoisomer? a) only I and II b)only II and III c) I,II, and III d) only I and IIIarrow_forwardThe substitution of one amino acid for another in a polypeptide chain can affect the __________ of the resulting protein. A) primary structure B) secondary structure C) tertiary structure D) quaternary structure E) all levels of protein structure can be affected by substituting one amino acid for another.arrow_forward
- In Protein structure: a). Write the name of the four levels of protein structure, b). Explain the structural characteristics at each level,arrow_forwardThe nucleic acid bases: A)absorb ultraviolet (260 nm) light. B)have all of these described characteristics. C)are roughly planar. D)are relatively hydrophobic. E)have none of these described characteristics.arrow_forwardWhat is the name of the bond formed between adjacent amino acids in a protein?Question 34 options: A) hydrogen B) carboxyl C) peptide D) ester E) phosphodiesterarrow_forward
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