Assessment 7 Phosphorylation of proteins: a. is enzymatically catalyzed b. is irreversible c. forms through hydrogen...
Assessment 7 Phosphorylation of proteins:
a. is enzymatically catalyzed
b. is irreversible
c. forms through hydrogen bonding
d. occurs on all aromatic amino acids
e. none of the above
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Assessment 7 Phosphorylation of proteins:
a. is enzymatically catalyzed
b. is irreversible
c. forms through hydrogen...
50) Water is formed during the synthesis of: a) proteins b) lipids c) carbohydrates d) nucleic...
50) Water is formed during the synthesis of: a) proteins b) lipids c) carbohydrates d) nucleic acids e) all of the above 51) Amino acids are held together by: a) ester bonds b) glycosidic bonds c) pasteur bonds d) all of the above e) none of the above 52) Sugars are held together by: a) ester bonds hydrogen bonds b) peptide bonds c) all of the above d) none of the above e) Nucleotides within the same strand of DNA...
The amino acids which occur in most proteins are a. none. b. all of the L-form....
The amino acids which occur in most proteins are a. none. b. all of the L-form. c. neither L-and D-forms d. either the L-or D-form. e. all of the D-form.
27. Integrins are single-pass integral membrane proteins in the plasma membrane of animal cells and are...
27. Integrins are single-pass integral membrane proteins in the plasma membrane of animal cells and are involved in the interaction of the cell with the surrounding extracellular matrix. Which of the following descriptions do you think matches the transmembrane part of an integrin molecule? A. It forms a B barrel. B. It is an a helix that is bent in the middle. C. It is about 10 amino acids long, with every other amino acid side chain being hydrophobic. D....
12) Which of the following types of enzyme carries out phosphorylation of a protein? (a) isomerase...
12) Which of the following types of enzyme carries out phosphorylation of a protein? (a) isomerase (b) kinase (c) phosphodiesterase (d) lyase (e) hydrolase 13) Flavin adenine nucleotide is a coenzyme for which of the following? (a) monoamine oxidase (b) trypsin (c) chymotrypsin (d) Na+ K+ ATPase (e) all of the above 14) A noncompetitive inhibitor (a) binds only to [ES] (b) binds either [E] or [ES] (c) binds only to [E] (d) binds only to [S] (15) Which of...
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...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form a triglyceride from glycerol Amino acids combine to form peptides an protonated aater molecule is removed when a carboxylate and and three fatty acids. One and thretis amine react. Figure 1: o- HI Carboxylate reacts with Protonated Amide forming amine 2. Consider the two amino acids, tryptophan and serine bonds can be formed between these acids? How many different peptide 3. Draw each of...
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of...
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of the following amino acid? A) high melting points and low solubility in water B) large dipole moments and no hydrogen bonding C) high melting points and large dipole moments D) low solubility in water and small dipole moments E) small dipole moments and are hydrophobic
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys,...
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
23) Transitional epithelium is found in a) The urinary system b) The respiratory system c) The...
23) Transitional epithelium is found in a) The urinary system b) The respiratory system c) The digestive system dj The reproductive system e) All of the above 24) The most abundant formed elements of blood are a) Plasma b) Erythrocytes c) Platelets Leukocytes e) Proteins 25) Which cells have a ruffed border and secrete hydrochloric acid a) Chondrocytes b) Osteocytes Oleg cells Oblasts e) Osteoclasts 26) A condyloldjoint a) is a bicial joint by includes the femur into the acetabulum...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do NOT proceed to equilibriunm 8. The process of br a. Phagocytosis b. Pinocytosis c. Receptor mediated endocytosis d. None of the above ringing large particles into the cell using vesicles is called 9. Water is capable of forming hydrogen bonds because a. the hydrogen atoms carry partial positive charges. b. the oxygen atom carries a partial negative charge. c. it...
50) Water is formed during the synthesis of: a) proteins b) lipids c) carbohydrates d) nucleic acids e) all of the above 51) Amino acids are held together by: a) ester bonds b) glycosidic bonds c) pasteur bonds d) all of the above e) none of the above 52) Sugars are held together by: a) ester bonds hydrogen bonds b) peptide bonds c) all of the above d) none of the above e) Nucleotides within the same strand of DNA...
The amino acids which occur in most proteins are a. none. b. all of the L-form. c. neither L-and D-forms d. either the L-or D-form. e. all of the D-form.
27. Integrins are single-pass integral membrane proteins in the plasma membrane of animal cells and are involved in the interaction of the cell with the surrounding extracellular matrix. Which of the following descriptions do you think matches the transmembrane part of an integrin molecule? A. It forms a B barrel. B. It is an a helix that is bent in the middle. C. It is about 10 amino acids long, with every other amino acid side chain being hydrophobic. D....
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...
s smı peptdes and ultimately proteins through a condensation fatt similar to the reactions that form a triglyceride from glycerol Amino acids combine to form peptides an protonated aater molecule is removed when a carboxylate and and three fatty acids. One and thretis amine react. Figure 1: o- HI Carboxylate reacts with Protonated Amide forming amine 2. Consider the two amino acids, tryptophan and serine bonds can be formed between these acids? How many different peptide 3. Draw each of...
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of the following amino acid? A) high melting points and low solubility in water B) large dipole moments and no hydrogen bonding C) high melting points and large dipole moments D) low solubility in water and small dipole moments E) small dipole moments and are hydrophobic
5. Which of the following molecules form complex structures linked by covalent bonds through Lys, HyLys, or His residues? A) Collagen B) Alpha keratin C) Hemoglobin D) Myoglobin E) Beta barrels 6. Which of the following correlates to the classic experiment demonstrating that reduced and denatured RNase A could refold into the native form? A) Disulfide bonds do not stabilize folded proteins B) Reducing agents denature proteins C) 1° structure can determine 3° structure D) Urea cleaves disulfide bonds E)...
23) Transitional epithelium is found in a) The urinary system b) The respiratory system c) The digestive system dj The reproductive system e) All of the above 24) The most abundant formed elements of blood are a) Plasma b) Erythrocytes c) Platelets Leukocytes e) Proteins 25) Which cells have a ruffed border and secrete hydrochloric acid a) Chondrocytes b) Osteocytes Oleg cells Oblasts e) Osteoclasts 26) A condyloldjoint a) is a bicial joint by includes the femur into the acetabulum...
The process(es) of a. osmosis b. diffusion c. facilitated diffusion d. active transport e. two of the above 7. do NOT proceed to equilibriunm 8. The process of br a. Phagocytosis b. Pinocytosis c. Receptor mediated endocytosis d. None of the above ringing large particles into the cell using vesicles is called 9. Water is capable of forming hydrogen bonds because a. the hydrogen atoms carry partial positive charges. b. the oxygen atom carries a partial negative charge. c. it...
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