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7. Hemoglobin, which carries oxygen to the cell, is an example b. storage of what type...
37. Which one of the following four organe Chydrocarbon molecules has the molecular formular CH2 A...
37. Which one of the following four organe Chydrocarbon molecules has the molecular formular CH2 A c-coc-c-c C-C-C-C-C * Check all of the following that involve a hydrolysis reaction. & points) a Breakup pomers, forming monomers Water is used to break bonds to form monomers e Nucleotides are joined together to form a nucleic acid Nucleic acid breaks up to form nucleotides Water breaks up, forming Hand-OH groups on separate monomers T-Hand-OH groups form water Preduces water as a by-product...
The active site of an enzyme ____. A. is remote form the site of substrate attachment...
The active site of an enzyme ____. A. is remote form the site of substrate attachment B. is converted to a product C. is the region where the reaction takes place D. increases the energy of reaction E. includes the entire enzyme In the lock-and-key model of enzyme actin, the enzyme active site is thought of as ___. A. a rigid, nonflexible shape that fits the substrate exactly B. an area of the enzyme that can adjust to fit the...
6. The final resulting daughter cells of meiosis II are haploid. True False 7.Which of the...
6. The final resulting daughter cells of meiosis II are haploid. True False 7.Which of the following describes a difference between DNA and RNA? A. In DNA adenine pairs with thymine; in RNA adenine pairs with uracil B. DNA is single-stranded; RNA is double-stranded C. DNA nucleotides contain ribose sugar; RNA nucleotides contain deoxyribose sugar D. DNA can leave the nucleus; RNA cannot leave the nucleus 8.Transfer RNA (tRNA) interacts directly with DNA, while messenger RNA (mRNA) does not. True...
of alanine has a pk of 9.87. What is the 153, The amino group charge on...
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
27) Lipids are used: a) to form the membrane of the cell b) to make proteins...
27) 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 28) Fatty acid tails are: a) hydrophilic b) hydrophobic e) amphipathic d) hydropathic e) hydrogen deficient 29) The sugar found in RNA is: a) glucose b) galactose c) ribose d) maltose e) dextrose 30) The sugar found in DNA has how many carbons: a) 1 b) 2...
43. Oxygen has 8 electrons and Argon has 18 electrons. What type of molecule would be...
43. Oxygen has 8 electrons and Argon has 18 electrons. What type of molecule would be formed it these two elements reacted. a) No reaction would occur. b) They would form an lonic hond with the Amon giving electrons to Oxygen. c) They would form a covalent bond by sharing 2 electrons. d) 2 argons would bond to oxygen. e) C and D are possible. 44. Magnesium (*2 Mg 24) forms bonds with how many Chlorine (CIS) atoms? a) 4,...
10) Would an amino acid with the given side chain be most likely found in the hydrophobic or hydrophilic region of a pr...
10) Would an amino acid with the given side chain be most likely found in the hydrophobic or hydrophilic region of a protein? -CH-CH3 он CH2-CH-CH3 он CH3 11) What process occurs when heat, acids, bases, and heavy metal ions cause loss of biological function of a protein? 12) Answer the following questions regarding enzyme activity: a) The optimum temperature and pH for most biological enzymes is b) The molecules to which an enzyme binds are called the c) The...
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 5 Which one of the following explains the RNA molecule the best? O A. It...
QUESTION 5 Which one of the following explains the RNA molecule the best? O A. It contains uracil in place of thymine O B. It is generally a single strand molecule O C. Its sugar is ribose O D. All of the above QUESTION 10 A form of replication in which the two parental DNA strands remain together following DNA replication is O semi-conservative O conservative o dispersive o all of the above QUESTION 11 Which of the following is...
at the two molecules to the che Choose A TRUE if the statement below applies to...
at the two molecules to the che Choose A TRUE if the statement below applies to these molecules. Choose B. FALSE if the statement below does NOT apply to these molecules These molecules will form hydrogen bonds with water The se molecules are both 5 carbon sugar Both of these molecules are found in DNA Only one of these molecules is found in RNA The molecule on the left is found in DNA 44. 45. 46. This molecule in DNA...
37. Which one of the following four organe Chydrocarbon molecules has the molecular formular CH2 A c-coc-c-c C-C-C-C-C * Check all of the following that involve a hydrolysis reaction. & points) a Breakup pomers, forming monomers Water is used to break bonds to form monomers e Nucleotides are joined together to form a nucleic acid Nucleic acid breaks up to form nucleotides Water breaks up, forming Hand-OH groups on separate monomers T-Hand-OH groups form water Preduces water as a by-product...
The active site of an enzyme ____. A. is remote form the site of substrate attachment B. is converted to a product C. is the region where the reaction takes place D. increases the energy of reaction E. includes the entire enzyme In the lock-and-key model of enzyme actin, the enzyme active site is thought of as ___. A. a rigid, nonflexible shape that fits the substrate exactly B. an area of the enzyme that can adjust to fit the...
of alanine has a pk of 9.87. What is the 153, The amino group charge on that amino group at pH 7.0 145. Which amino acid serves as the first amino acid at the hN terminus of a newly synthesized protein? (B) methionine (A) alanine 9.80. The side chain of that amino acid includes (A) an amine group (C) a carboxylic acid group. (D) an alcohol 154. A certain amino acid has a pl (or pH, isoelectric point) (D) threonine...
27) 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 28) Fatty acid tails are: a) hydrophilic b) hydrophobic e) amphipathic d) hydropathic e) hydrogen deficient 29) The sugar found in RNA is: a) glucose b) galactose c) ribose d) maltose e) dextrose 30) The sugar found in DNA has how many carbons: a) 1 b) 2...
43. Oxygen has 8 electrons and Argon has 18 electrons. What type of molecule would be formed it these two elements reacted. a) No reaction would occur. b) They would form an lonic hond with the Amon giving electrons to Oxygen. c) They would form a covalent bond by sharing 2 electrons. d) 2 argons would bond to oxygen. e) C and D are possible. 44. Magnesium (*2 Mg 24) forms bonds with how many Chlorine (CIS) atoms? a) 4,...
10) Would an amino acid with the given side chain be most likely found in the hydrophobic or hydrophilic region of a protein? -CH-CH3 он CH2-CH-CH3 он CH3 11) What process occurs when heat, acids, bases, and heavy metal ions cause loss of biological function of a protein? 12) Answer the following questions regarding enzyme activity: a) The optimum temperature and pH for most biological enzymes is b) The molecules to which an enzyme binds are called the c) The...
QUESTION 5 Which one of the following explains the RNA molecule the best? O A. It contains uracil in place of thymine O B. It is generally a single strand molecule O C. Its sugar is ribose O D. All of the above QUESTION 10 A form of replication in which the two parental DNA strands remain together following DNA replication is O semi-conservative O conservative o dispersive o all of the above QUESTION 11 Which of the following is...
at the two molecules to the che Choose A TRUE if the statement below applies to these molecules. Choose B. FALSE if the statement below does NOT apply to these molecules These molecules will form hydrogen bonds with water The se molecules are both 5 carbon sugar Both of these molecules are found in DNA Only one of these molecules is found in RNA The molecule on the left is found in DNA 44. 45. 46. This molecule in DNA...
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