Homework Answers
5. The chemical properties of an amino acid are determined by
it's variable R group.
Hence, option, ''a'' is the correct answer.
6. Different amino acids are joined by dehydration synthesis to
make proteins. There are a total of 20 different amino acids.
Hence, option, ''c'' is the correct answer.
7. Normal lipids are composed of a glycerol moiety and three
fatty acid molecules are there.
Hence, option, ''d'' is the correct answer.
8. Phospholipids are composed of glycerol, non-polar polar
hydrocarbon tails, and has a polar phoaphate head. Thus, the
statement
Hence, option', ''e'' is the correct answer.
9. Cells were first discovered by Robert hook .
Hencw, option. ''a'' is the correct answer.
10. Rate of the diffusion of subdrncw substances, across the
cell membrane into the cell is influenced by the concentration of
the substrate but not on the temperature,
Hence, the given statement is ''True''.
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5. The chemical properties of an amino acid is determined by a. structure of it's group...
COLOR 2 mlogg albumen 2 mL. honey 2 ml. amino acid solution 2 mL. distilled water...
COLOR 2 mlogg albumen 2 mL. honey 2 ml. amino acid solution 2 mL. distilled water 2 mL. peosein solution bWhich contains more protein (C-N bonds), egg albu- men or honey? How can you tell? Amino acid Amino ackd e. Do free amino acids have peptide bonds? d. What are the functions of proteins in living organisms? но HOH O Polypeptide chain Figure 6.7 A peptide bond joins two amino acids, and pepside bonds link mmany amino acids to form...
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids...
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids and glycerol fatty acids and water fatty acids and sugar e) 61) The bond between two amino acids is a: a) hydrogen bond b) covalent bond c) peptide bond d) b and c e) none of the above 62) Hemoglobin has which tertiary structure: a) fibrous b) globular c) four subunits--two alpha chains, two beta chains d) alpha helix e) none of the above...
8. A macromolecule made up of multiple monomers of amino acids is called a:
8. A macromolecule made up of multiple monomers of amino acids is called a:a. Carbohydrateb. Proteinc. Nucleic acidd. Lipid9. The majority of carbohydrates have a carbon to hydrogen to oxygen ratio ofa: 1.1 .4b. 2.6 .2c. 1: 411d. 112: 110. The part of the cell envelope that is a phospholipid bilayer with embedded proteins is called:a. The plasma membraneb. The cell wallo. Cellulose,d. None of the above11. Which of the three kinds of Lipid molecules is characterized by their arrangement...
Colecuuls. Pal ADSUI Puuri allu Fat Structure hydrophilic 1. A fat molecule is composed of two...
Colecuuls. Pal ADSUI Puuri allu Fat Structure hydrophilic 1. A fat molecule is composed of two types of smaller molecules, including only one molecule of fatty acid triglyceride 2. Afat molecule also includes one, two or three molecules monoglyceride 3. A fat molecule with only one fatty acid is called a glycerol hydrocarbon chain 4. A fat molecule with three fatty acids is called a triacylglycerol, or a hydrophobic 5. A fatty acid includes a carboxyl group (-COOH) at one...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to the 3' end of the mRNA molecule? A. Peptide bond B.5 phosphate group C.3" hydroxyl group D. Amino (N-terminus) E. Carboxyl (C-terminus) QUESTION 14 Which of the following is true regarding pre-mRNA modifications/processing? O A. Alternative splicing allows for increased complexity and synthesis of protein isomers OB. The 5' cap is added after RNA polymerase dissociates from the gene OC. The poly A tail...
The structure of sphingolipids contains a) a phosphate group, amide, glycerol, phosphate, and alcohol. b) a...
The structure of sphingolipids contains a) a phosphate group, amide, glycerol, phosphate, and alcohol. b) a phosphate group, glycerol, two fatty acids, and an alcohol molecule. c) a phosphate group, a cyclic carbon ring, and variable numbers of fatty acids. d) a phosphate group, a carbohydrate molecule, an alcohol, and fatty acids.
a) which amino acid tested is most polar? b) look up the structure of the amino...
a) which amino acid tested is most polar?
b) look up the structure of the amino acids. explain why it
makes sense that the amino acid you listed is more polar than the
others?
c) what amino acids are in the fruit juice?
D. CHROMATOGRAPHY Chromatography is a general technique that is used to separate various materials. In this case, students can use the unique chemistry of the amino acid to determine its migration in a specific solvent. The solutions...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysi...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
Sanger's reagent is used A) to determine the amino acid sequence of a peptide. B) to...
Sanger's reagent is used A) to determine the amino acid sequence of a peptide. B) to determine the C-terminal amino acid of a peptide. C) to determine the isoelectric point of a peptide. D) to determine the number of amino acids in a peptide. E) to determine the N-terminal amino acid of a peptide. Ninhydrin is used A) to determine the N-terminal amino acid of a peptide. B) to sequence amino acids in a peptide. C) to detect amino acids...
The _______ of amino acids in a protein is referred to as its primary structure
24. The _______ of amino acids in a protein is referred to as its primary structure. A) twisting B) sequencing C) folding D) none of these 25. The structure of a protein is most important because the _______ of the amino acids determines its overall shape, function and properties. A) primary, twisting B) primary, sequencing C) secondary, twisting D) secondary, folding E) none of these 26. The secondary structure of a protein is due to_______ between amino acid residues. A) hydrophobic interactions B) hydrogen bonding...
COLOR 2 mlogg albumen 2 mL. honey 2 ml. amino acid solution 2 mL. distilled water 2 mL. peosein solution bWhich contains more protein (C-N bonds), egg albu- men or honey? How can you tell? Amino acid Amino ackd e. Do free amino acids have peptide bonds? d. What are the functions of proteins in living organisms? но HOH O Polypeptide chain Figure 6.7 A peptide bond joins two amino acids, and pepside bonds link mmany amino acids to form...
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids and glycerol fatty acids and water fatty acids and sugar e) 61) The bond between two amino acids is a: a) hydrogen bond b) covalent bond c) peptide bond d) b and c e) none of the above 62) Hemoglobin has which tertiary structure: a) fibrous b) globular c) four subunits--two alpha chains, two beta chains d) alpha helix e) none of the above...
Colecuuls. Pal ADSUI Puuri allu Fat Structure hydrophilic 1. A fat molecule is composed of two types of smaller molecules, including only one molecule of fatty acid triglyceride 2. Afat molecule also includes one, two or three molecules monoglyceride 3. A fat molecule with only one fatty acid is called a glycerol hydrocarbon chain 4. A fat molecule with three fatty acids is called a triacylglycerol, or a hydrophobic 5. A fatty acid includes a carboxyl group (-COOH) at one...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to the 3' end of the mRNA molecule? A. Peptide bond B.5 phosphate group C.3" hydroxyl group D. Amino (N-terminus) E. Carboxyl (C-terminus) QUESTION 14 Which of the following is true regarding pre-mRNA modifications/processing? O A. Alternative splicing allows for increased complexity and synthesis of protein isomers OB. The 5' cap is added after RNA polymerase dissociates from the gene OC. The poly A tail...
a) which amino acid tested is most polar?
b) look up the structure of the amino acids. explain why it
makes sense that the amino acid you listed is more polar than the
others?
c) what amino acids are in the fruit juice?
D. CHROMATOGRAPHY Chromatography is a general technique that is used to separate various materials. In this case, students can use the unique chemistry of the amino acid to determine its migration in a specific solvent. The solutions...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
Sanger's reagent is used A) to determine the amino acid sequence of a peptide. B) to determine the C-terminal amino acid of a peptide. C) to determine the isoelectric point of a peptide. D) to determine the number of amino acids in a peptide. E) to determine the N-terminal amino acid of a peptide. Ninhydrin is used A) to determine the N-terminal amino acid of a peptide. B) to sequence amino acids in a peptide. C) to detect amino acids...
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