Homework Answers
The following statements are incorrect regard codons;
- They are short segments of a gene
The following bonds is associated with lipids;
b. Ester (AS this bond is a bond between an alcoholic group OH and a carboxylic acid (-COOH), group
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Question 22 (1 point) Which of the following statements concerning codons is incorrect? a) They are...
Question 5 (1 point) The language or information of DNA is stored as within the sequence...
Question 5 (1 point) The language or information of DNA is stored as within the sequence of amino acids. within the sequence of nucleotides. in the pattern of hydrogen bonding. by the peptide bonds.
Question 2 (1 point) In order to target a protein to the endomembrane system, which of...
Question 2 (1 point) In order to target a protein to the endomembrane system, which of the following is required first? O a ER bound ribosome signal peptide on the N terminus of the polypeptide chaperone protein signal peptide on the C terminus of the polypeptide O signal-recognition particles A tRNA is chemically modified so that the amino acid bound is different than the one specified by its anticodon. Which codon in the mRNA would the tRNA recognize: the one...
Question 15 (1 point) Which one of the following statements concerning carbohydrates is incorrect? a) Type...
Question 15 (1 point) Which one of the following statements concerning carbohydrates is incorrect? a) Type 1 diabetes mellitus is considered "insulin-dependent" diabetes and typically appears in juvenile patients. b) Glycolysis produces pyruvate, which is converted to acetyl CoA, and via the Krebs' cycle, forms ATP. The process of glycogen formation occurring in the liver and skeletal muscle is referred to as glycogenolysis. d) Monosaccharides are formed from the breakdown of starches and disaccharides in the small intestine. Question 16...
Which of the following statements concerning the various forms of DNA is incorrect? a. B-DNA is...
Which of the following statements concerning the various forms of DNA is incorrect? a. B-DNA is the conformation observed under physiological conditions. b. A-DNA occurs in a partially dehydrated environment. c. A-DNA and Z-DNA are right handed helices, while B-DNA is left handed d. Z-DNA is formed by alternating C-G nucleotides.
Listed below are features of biological molecules
.1. Listed below are features of biological molecules. For each, indicate if the feature describes a characteristic of DNA, or RNA, neither DNA nor RNA, or both DNA and RNA. Single stranded Contains hydrogen bonds Is a long molecule Contains covalent bonds Is translated to protein Contains complex carbohydrate Contains thymine Double stranded Is a short molecule Contains uracil Has peptide bonds Contains nucleotides Contains guanine Is confined to the nucleus Makes a replication fork 2. What is a protein? 3. A peptide bond (check "Yes" if correct; "No" if incorrect): Yes Ne A. Joins nucleotides in a...
Question 33 2 pts Which of the following statements about the process of DNA replication is...
Question 33 2 pts Which of the following statements about the process of DNA replication is true? It involves the enzyme DNA ligase, which corrects point mutations. It utilizes DNA polymerase, which catalyzes the reaction that adds a new nucleotide to the growing strand. The sequence on the new strand is always identical to one of the old parent strands. Adenine pairs with guanine, and cytosine pairs with thymine. Question 34 2 pts The DNA base...
1. Which of the following statements concerning transcription of bacterial mRNA is not true? Bacterial mRNA...
1. Which of the following statements concerning transcription of bacterial mRNA is not true? Bacterial mRNA must have intron material removed before it can be used in the process of protein translation.* Energy necessary for transcription is provided by the breaking of phosphate bonds carried by ribonucleotide triphosphates (rNTPs). A sigma factor recognizes the promoter site sequences on the DNA strand during transcription. A guanine-rich sequence on the template DNA molecule causes the growing RNA strand to loop and detach.
The following questions are based on the molecules below. f- 16) Which molecule has both hydrophilic...
The following questions are based on the molecules below. f- 16) Which molecule has both hydrophilic and hydrophobic properties and would be found in plasma membranes? A) 1 B) 6 C)12 D) 14 E)5 17) Which of the following molecules could be joined together by a peptide bond as a result of a dehydration reaction? A) 2 and 3 B) 12 and 13 C7 and 8 D) 3 and 7 E) 8 and 9 18) Which of the following statements...
1. Given the following peptide, which of the following statements is true? Question options: a) The...
1. Given the following peptide, which of the following
statements is true?
Question options:
a) The N-terminal residue is leucine.
b)This peptide contains 4 amino acid residues.
c) The peptide contains a total of 6 ionizable groups.
d) The net charge of this peptide at pH 7 is +1 Locate any
peptide bond along the backbone of the given peptide.
e) The bond between the C (of the C=O) and the N (of the N-H) of
a peptide bond has...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 5 (1 point) The language or information of DNA is stored as within the sequence of amino acids. within the sequence of nucleotides. in the pattern of hydrogen bonding. by the peptide bonds.
Question 2 (1 point) In order to target a protein to the endomembrane system, which of the following is required first? O a ER bound ribosome signal peptide on the N terminus of the polypeptide chaperone protein signal peptide on the C terminus of the polypeptide O signal-recognition particles A tRNA is chemically modified so that the amino acid bound is different than the one specified by its anticodon. Which codon in the mRNA would the tRNA recognize: the one...
Question 15 (1 point) Which one of the following statements concerning carbohydrates is incorrect? a) Type 1 diabetes mellitus is considered "insulin-dependent" diabetes and typically appears in juvenile patients. b) Glycolysis produces pyruvate, which is converted to acetyl CoA, and via the Krebs' cycle, forms ATP. The process of glycogen formation occurring in the liver and skeletal muscle is referred to as glycogenolysis. d) Monosaccharides are formed from the breakdown of starches and disaccharides in the small intestine. Question 16...
Which of the following statements concerning the various forms of DNA is incorrect? a. B-DNA is the conformation observed under physiological conditions. b. A-DNA occurs in a partially dehydrated environment. c. A-DNA and Z-DNA are right handed helices, while B-DNA is left handed d. Z-DNA is formed by alternating C-G nucleotides.
1. Which of the following statements concerning transcription of bacterial mRNA is not true? Bacterial mRNA must have intron material removed before it can be used in the process of protein translation.* Energy necessary for transcription is provided by the breaking of phosphate bonds carried by ribonucleotide triphosphates (rNTPs). A sigma factor recognizes the promoter site sequences on the DNA strand during transcription. A guanine-rich sequence on the template DNA molecule causes the growing RNA strand to loop and detach.
The following questions are based on the molecules below. f- 16) Which molecule has both hydrophilic and hydrophobic properties and would be found in plasma membranes? A) 1 B) 6 C)12 D) 14 E)5 17) Which of the following molecules could be joined together by a peptide bond as a result of a dehydration reaction? A) 2 and 3 B) 12 and 13 C7 and 8 D) 3 and 7 E) 8 and 9 18) Which of the following statements...
1. Given the following peptide, which of the following
statements is true?
Question options:
a) The N-terminal residue is leucine.
b)This peptide contains 4 amino acid residues.
c) The peptide contains a total of 6 ionizable groups.
d) The net charge of this peptide at pH 7 is +1 Locate any
peptide bond along the backbone of the given peptide.
e) The bond between the C (of the C=O) and the N (of the N-H) of
a peptide bond has...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
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