multiple choice
1)A gene in DNA is the code for assembling a sequence of
Homework Answers
within the so called "genetic code," there are more than two nucleotides that justify an amino acid. with that said your answer would be : D
1. Enzymes catalyze reactions by diverse mechanisms, frequently involving multiple steps. Consider the well-studied enzyme called...
1. Enzymes catalyze reactions by diverse mechanisms, frequently involving multiple steps. Consider the well-studied enzyme called chymotrypsin, which has three amino acids in its active site: Asp102, His 57, and Ser 195. What is the catalytic role of His 57? A. covalent catalysis B. general acid-base C. catalysis catalysis by approximation D. metal ion catalysis 2. Which of the following functional groups are not found in carbohydrates? A. aldehydes B. hydroxyls C. ketones D. thiols 3. What are the components...
Biochemistry Use each word in the list below only once to best complete the following phrases....
Biochemistry Use each word in the list below only once to best complete the following phrases. Use the singular or plural form of the word as needed. Sugar, double helix, aldose, fat, protein, glycerol, phosphate group, steroid, enzyme, cellulose, glycoside, polypeptide, organic nitrogen base, ketose, fatty acid, wax, 5-carbon sugar, starch A) Examples of carbohydrates include and B) The following are the classes of lipids: and C) A fat is composed of and three D) Amino acids are used to...
35) Sugars contain which atoms:
35) Sugars contain which atoms: a) CHON b) CANT c) CHO d) NOT c) NOPE 36) Lipids are composed of: a) fatty acids and glycerol b) amino acids and glycerol c) nucleic acids and glycerol d) fatty acids and water e) fatty acids and sugar 37) Lipids are used: a) to form the membrane of the cell b) to make proteins c) to replenish amino acids d) to organize the DNA of the cell e) to form water 38) Fatty acid tails are: a) hydrophilic b) hydrophobic c) amphipathic d) hydropathic e) hydrogen deficient 39) The sugar found in RNA is: a) glucose b) galactose c) ribose d)...
A8. Which of the following describes carbohydrates? (a) a base, a sugar, and a phosphate b)...
A8. Which of the following describes carbohydrates? (a) a base, a sugar, and a phosphate b) aldchydes and ketones with two or more hydroxyl groups. c) acids with two or more hydroxyl groups. d) amines with two or more hydroxyl groups. e) always contain a phosphate group. A9. Which of the following is NOT correct regarding reducing sugars? a) Sugars that react with oxidizing agents are called reducing sugars. b) The cyclic form of a monosaccharide reacts with oxidizing agents....
A cell that is heterozygous for a nonsense mutation in a tumor suppressor gene would most...
A cell that is heterozygous for a nonsense mutation in a tumor suppressor gene would most likely: A) Group of answer choices B) grow but not divide C) have a normal cell cycle D) arrest and induce apoptosis E) have a slightly increased cell cycle and increased cell growth F) grow and divide uncontrollably Which of the following correctly describes an event that occurs during transcription: Group of answer choices A) A DNA molecule is chemically modified to become a...
Without carbohydrate in the diet, or in uncontrolled diabetes without an effective way to get glucose...
Without carbohydrate in the diet, or in uncontrolled diabetes without an effective way to get glucose into the cell, the body resorts to using ______ to try to make glucose but ends up with not enough glucose and with too many_______ _______. Group of answer choices fat; fatty acids protein; amino acids fat; ketone bodies
1. Four elements make up 96% of the molecules involved chemical a) Oxygen, (0), b) Nitrogen...
1. Four elements make up 96% of the molecules involved chemical a) Oxygen, (0), b) Nitrogen (N), c) Carbon (C), d) Hydrogen (H) Ne in chemical evolution. Which of the following is not one of these? 2. During Chemical Evolution, elements reacted with each other to form sl norga compounds is thought to have been a critical solvent for elements and simple molec Oxygen ef Water molecules? a) Formaldehyde b) Carbon dloxide c) Ammonia d lipid bilayer was important because:...
The monomer units of proteins, DNA and polysaccharides are, respectively, a. peptides, deoxyribose and fatty acids....
The monomer units of proteins, DNA and polysaccharides are, respectively, a. peptides, deoxyribose and fatty acids. b. nucleotides, amino acids, and starches. c. fatty acids, nitrogenous bases and starches. d. amino acids, nucleotides and simple sugars. e. dipeptides, sugars and vitamins.
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
QUESTION 7 A Peptide in the bond in a that connects many fatty acid, fat molecules...
QUESTION 7 A Peptide in the bond in a that connects many fatty acid, fat molecules DNA, bases phosphate, fatty acids O protein, amino acids Sulfide, amino acids QUESTION 8 The chromosomes are paired according to the morphology, size and banding pattern are called the Homologous chromosomes Median Chromosomes Homeologous chromosomes Heterologous chromosomes QUESTION 10 A bacterial genome does not possess: Any gene All of the above are present in a bacterial genome Any DNA Any Histone
Biochemistry Use each word in the list below only once to best complete the following phrases. Use the singular or plural form of the word as needed. Sugar, double helix, aldose, fat, protein, glycerol, phosphate group, steroid, enzyme, cellulose, glycoside, polypeptide, organic nitrogen base, ketose, fatty acid, wax, 5-carbon sugar, starch A) Examples of carbohydrates include and B) The following are the classes of lipids: and C) A fat is composed of and three D) Amino acids are used to...
A8. Which of the following describes carbohydrates? (a) a base, a sugar, and a phosphate b) aldchydes and ketones with two or more hydroxyl groups. c) acids with two or more hydroxyl groups. d) amines with two or more hydroxyl groups. e) always contain a phosphate group. A9. Which of the following is NOT correct regarding reducing sugars? a) Sugars that react with oxidizing agents are called reducing sugars. b) The cyclic form of a monosaccharide reacts with oxidizing agents....
1. Four elements make up 96% of the molecules involved chemical a) Oxygen, (0), b) Nitrogen (N), c) Carbon (C), d) Hydrogen (H) Ne in chemical evolution. Which of the following is not one of these? 2. During Chemical Evolution, elements reacted with each other to form sl norga compounds is thought to have been a critical solvent for elements and simple molec Oxygen ef Water molecules? a) Formaldehyde b) Carbon dloxide c) Ammonia d lipid bilayer was important because:...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
QUESTION 7 A Peptide in the bond in a that connects many fatty acid, fat molecules DNA, bases phosphate, fatty acids O protein, amino acids Sulfide, amino acids QUESTION 8 The chromosomes are paired according to the morphology, size and banding pattern are called the Homologous chromosomes Median Chromosomes Homeologous chromosomes Heterologous chromosomes QUESTION 10 A bacterial genome does not possess: Any gene All of the above are present in a bacterial genome Any DNA Any Histone
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