Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 26.1, Problem 2P
Draw the structure for each of the following:
a. dCDP
b. dTTP
c. dUMP
d. UDP
e. guanosine triphosphate
f. adenosine 5+-monophosphate
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30. Which of these will not give a blue solution with Ninhydrin test
b. Phe
d. Cys
Pro
31. A neutral molecule with a positive and negative electrical charge.
a. Isoelectric point
a.
C.
Ala
b. Zwitterions
Buffer
d. Amphoteric
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QUESTION 7
Insulin, collagen, and keratin are examples of :
a. Nucleic Acids
O b. Carbohydrate
O. Lipids
d. Proteins
7. In polysaccharides, monosaccharaides are joined by
C. Glucose bond
B. Glycosidic bond
8. Which of the following is a reducing sugar?
B. Erythulos
A. Covalent bond
D. Peptide bond
A. Dihydroxyacetone
C. Glucose
D. Lactose
9. Carbohydrates accounts
B. 30% in plants and 10% in animals
D. 50% in plants and 50% in animals
A. 30% in plants and 20% in animals
C. 30% in plants and 1% in animals
10. The general formula of carbohydrate is
B. (C4H2O)n
A. (CH2O)n
C. (CoH2O)n D. (C2H2O)n COOH.
11. The sugar present in milk is_
A. Glucose
B. Lactose
C. Maltose
D. Sucrose
12. Which one of the four classes of blologically important molecules does CELLULOSE belong to?
B. lipids C. nucleic acids
A. carbohydrates
D. protein
13. Which of the following is a correct pair?
A. Glucose : Disaccharide
C. Starch : polysaccharide
B. Sucrose : mionosaccharide
D. Triglyceride : Polysaccharide
14, Which of the following groups are all classified as polysaccharide'?
A. glycogen, cellulose and starch
B. glycogen,…
Chapter 26 Solutions
Organic Chemistry (8th Edition)
Ch. 26.1 - In acidic solutions, nucleosides are hydrolyzed to...Ch. 26.1 - Draw the structure for each of the following: a....Ch. 26.3 - Indicate whether each functional group of the five...Ch. 26.3 - Prob. 4PCh. 26.3 - If one of the strands of DNA has the following...Ch. 26.4 - The 2',3-cyclic phosphodiester that is formed...Ch. 26.5 - Using a dark line for the original parental DNA...Ch. 26.7 - Why do both thymine and uracil specify the...Ch. 26.9 - If methionine is always the first amino acid...Ch. 26.9 - Four Cs occur in a row in the segment of mRNA...
Ch. 26.9 - UAA is a stop codon. Why does the UAA sequence in...Ch. 26.9 - Prob. 12PCh. 26.9 - Write the sequences of bases in the sense strand...Ch. 26.9 - List the possible codons on mRNA that speciy each...Ch. 26.10 - Adenine can be deaminated to hypoxanthine, and...Ch. 26.10 - Explain why thymine cannot be deaminated.Ch. 26.12 - Which of the following base sequences is most...Ch. 26 - What nonapeptide is coded for by the following...Ch. 26 - What is the sequence of bases in the template...Ch. 26 - Prob. 20PCh. 26 - A segment of DNA has 18 base pairs. It has 7...Ch. 26 - Name the following:Ch. 26 - Prob. 23PCh. 26 - Propose a mechanism for the following reaction:Ch. 26 - The first amino acid incorporated into a...Ch. 26 - Match the codon with the anticodon:Ch. 26 - a. Using the single-letter abbreviations for the...Ch. 26 - Which of the following pairs of dinucleotides are...Ch. 26 - Human immunodeficiency virus (HIV) is the...Ch. 26 - If a mRNA contained only U and G in random...Ch. 26 - Why is the codon a triplet rather than a doublet...Ch. 26 - RNAase, the enzyme that catalyzes the hydrolysis...Ch. 26 - The amino acid sequences of peptide fragments...Ch. 26 - Which cytosine in the following sense strand of...Ch. 26 - Prob. 36PCh. 26 - Sodium nitrite, a common food preservative (page...Ch. 26 - Why does DNA not unravel completely before...Ch. 26 - Staphylococcus nuclease is an enzyme that...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- (a) Draw the structural formula for the sugar -D-2 -deoxyribose. (b) Draw the structural formula for the nucleoside deoxyadenosine (it consists of -D-2-deoxyribose and adenine). (c) Draw the structural formula for the nucleotide deoxyadenosine 5'-monophosphate.arrow_forwardDraw the structure for the dipeptide Ala-Gly. How is this dipeptide different from the one in problem 59?arrow_forward(a) Draw the structural formula for the sugar -D-ribose. (b) Draw the structural formula for the nucleoside adenosine (it consists of -D-ribose and adenine). (c) Draw the structural formula for the nucleotide adenosine 5'-monophosphate.arrow_forward
- Once a polypeptide chain has begun growing during protein synthesis, an incoming RNA carrying the next amino acid of the sequence will bond at the _______ site of the ribosomal complex a. A b. P c. 5' d. 3'arrow_forwardChemistry 1a. The lack of an asymmetric carbons and ease of rotation make glycine rich protein sequences: a. Fibrous b. Helical c. Cyclic d. Flexible e. Globular 1b. Introducing D-amino acids into peptides can be useful as a strategy to: a. Change pKa b. Reduce thermal stability c. Alter ionic strength d. Slow degradation e. Increase solubility 1c. Cellulose is not useful dietary carbohydrate because humans: a. Don’t have sufficient non-mitochondrial ATP b. Lack a 1,4-beta glycosidase c. Can’t digest branched chain carbohydrates d. Loose lactase as they mature e. Can’t absorb pentise subunitsarrow_forward34 35arrow_forward
- 26. Almost all proteins are composed from a set of about amino acids. 20 d. 50 a. 4 27. a. 5 b. 10 amino acids are considered essential. b. 10 C. C. 15 d. 20arrow_forwardNAD+ stands for the coenzyme a. niacin adenine dinucleotide b. nicotinic acid diphosphate c. nicotinamide diphosphate d. nicotine adenosine dinucleotide e. nicotinamide adenine dinucleotide.arrow_forward29. A polypeptide sequence is a protein's structure. a. primary b. secondary c. tertiary d. quaternaryarrow_forward
- Question 5 Which of the following polysaccharide will be MORE VISCOUS at acidic pH? O a. cellulose O b. carrageenans Oc. amylose d. amylopectinarrow_forward10. Which of the following is a monosaccharide which is used in dextrose? A. fructose C. glucose D. lactose B. galactose Which of the following is the major function of carbohydrates? 1. structural framework 2. storage 3. energy production A. 1 only Which is termed as the blueprint of life? A. deoxyribonucleic acid B. fatty acid Proteins are composed of four elements, namely: carbon, hydrogen, oxygen and 11. B. 2 only C. 3 only D. 1& 3 only 12. C. nucleic acid D. ribonucleic acid 13. what other element? A. magnesium B. nitrogen C. phosphorous D. sulfur The sugar in RNA is A. deoxyribose, ribose B. ribose, deoxyribose the sugar in DNA is C. ribose, phosphate D. ribose, uracil 14. Which is NOTa part of a nucleotide? A. nitrogenous base B. phosphate group 15. C. saturated fats D. sugararrow_forwardTrue / False: Guanine to cytosine intermolecular interactions (hydrogen bonding) is stronger than adenine to thymine. A. True B. Falsearrow_forward
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