Homework Answers
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Correct option (A)
Explanation-- Moist heat- utilized hot air that is heavily laden with water vapor and where this moisture plays the most important role in the process of sterilization Dry heat-damages microbes by Denaturing pritish..
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2. In contrast with moist heat, dry heat probably damages microbes by: A. Denaturing proteins B....
Many antimicrobial agents destroy microbes by denaturing proteins. How can these agents disrupt protein function? (PLEASE...
Many antimicrobial agents destroy microbes by denaturing proteins. How can these agents disrupt protein function? (PLEASE HELP I AM VERY CONFUSED, AND EXPLAIN) The answer is not all of them, and there is more than one answer. a. cause proteins to coagulate b. dissolve lipid bilayers c. break bonds between amino acids d. block the active site of the protein
Which of the following is NOT a dehydration synthesis reaction? a. amino acids forming proteins b....
Which of the following is NOT a dehydration synthesis reaction? a. amino acids forming proteins b. glycogen forming glucose molecules c. nucleotides forming DNA d. glucose units forming starch e .fatty acids and glycerol forming a fat 2) The monomer of a protein is a(n) monosaccharide. nucleotide. peptide. glycerol and three fatty acids. amino acid. 3) A starch molecule is to glucose as a protein is to a polypeptide. DNA is to an amino acid. a lipid is to nucleic...
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...
1.histones are proteins that make up nucleosomes. they bind to the backbone of DNA in chromosomes....
1.histones are proteins that make up nucleosomes. they bind to the backbone of DNA in chromosomes. A majority of the residues in these proteins must be ___ for this to occur a) hydrophobic b) neg charged c)hydrophilic and neutral d)pos charged e)cytseines 2. the stability of a protein secondary structure is mostly due to a) the hydrogen bonding between the amide groups within the backbone of the protein b) the attraction for water molecules by hydrophobic amino acid residues c)...
Which of the following molecules can exhibit enzymatic activity? (a) amino acids and proteins (b) proteins...
Which of the following molecules can exhibit enzymatic activity? (a) amino acids and proteins (b) proteins and RNA (c) RNA and aminoacids (d) DNA and proteins (e) Lipids and proteins
The four main groups of biological molecules are? DNA, ATP, H20 and CO2 nucleotides, amino acids,...
The four main groups of biological molecules are? DNA, ATP, H20 and CO2 nucleotides, amino acids, monosacharides and fatty acids 01. a. b. c. DNA, RNA, Starch and phospholipids nucleic acids, proteins, carbohydrates and fats d. 02. Large biomolecules are polymers of smaller subunits generally referred to as? a. monomers b. dimers c. monosaccharides d. bases 03. Which of the following properties apply to lipids? a. b. c. d. saturated versions are likely to be solid at room temperature some...
C4. Amino Acids and Proteins Amino acids are organic compounds that contain amine and carboxyl functional...
C4. Amino Acids and Proteins Amino acids are organic compounds that contain amine and carboxyl functional groups, along with a side chain specific to each amino acid. Clearly and concisely explain the process of dipeptide formation. [10 Marks) C5. Nucleic Acids Humans have two types of nucleic acids in their bodies: DNA and RNA. These molecules contain the set of instructions for our cells: they determine who and what we are. Compare and contrast DNA and RNA. [10 Marks] C6....
20) Lysozyme hydrolyzes A) peptides cross-link in peptidoglycan. B) the peptide bonds in proteins. C) disulfide...
20) Lysozyme hydrolyzes A) peptides cross-link in peptidoglycan. B) the peptide bonds in proteins. C) disulfide bonds in proteins. D) the glycosidic bonds in peptidoglycan. E) the glycosidic bonds in starch. 21) The terms "run" and "tumble" are generally associated with A) cell membrane structures. B) cell wall fluidity. C) flagella that uses ATP as a direct energy source to rotate. D) cell movement that responds spatial rather than temporal gradients of chemicals. E) taxic movements of the cell. 22)...
What is the primary method used by microbes to have water cross the membrane? Choose one:...
What is the primary method used by microbes to have water cross
the membrane?
Choose
one:
A. pumps
B. Membranes do not allow water into or out of cells.
C. diffusion
D. pinocytosis
E. aquaporins
Which of the following is the best example of an
extremophile?
Choose
one:
A. the facultative anaerobe Bacillus cereus
B. the Gram-negative plague-causing bacteria Yersinia
pestis
C. the hyperthermophile bacteria Methanopyrus
kandleri
D. the barotolerant bacterial strain DSK1
Of the reactions that involve reactive oxygen...
SCI260 – Introduction to Biochemistry Lesson #1 Biochemistry involves the production and degradation of biological molecules...
SCI260 – Introduction to Biochemistry Lesson #1 Biochemistry involves the production and degradation of biological molecules such as nucleic acids, proteins, lipids, carbohydrates, and vitamins. Changes in the production or degradation of these important molecules can cause disorders and diseases in humans. For each of the human disorders and diseases listed below, indicate whether it is caused by a change in: (A) nucleic acids (for example: DNA or RNA); (B) amino acids/proteins; (C) lipids (for example: cholesterol or triglycerides); (D)...
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 four main groups of biological molecules are? DNA, ATP, H20 and CO2 nucleotides, amino acids, monosacharides and fatty acids 01. a. b. c. DNA, RNA, Starch and phospholipids nucleic acids, proteins, carbohydrates and fats d. 02. Large biomolecules are polymers of smaller subunits generally referred to as? a. monomers b. dimers c. monosaccharides d. bases 03. Which of the following properties apply to lipids? a. b. c. d. saturated versions are likely to be solid at room temperature some...
C4. Amino Acids and Proteins Amino acids are organic compounds that contain amine and carboxyl functional groups, along with a side chain specific to each amino acid. Clearly and concisely explain the process of dipeptide formation. [10 Marks) C5. Nucleic Acids Humans have two types of nucleic acids in their bodies: DNA and RNA. These molecules contain the set of instructions for our cells: they determine who and what we are. Compare and contrast DNA and RNA. [10 Marks] C6....
20) Lysozyme hydrolyzes A) peptides cross-link in peptidoglycan. B) the peptide bonds in proteins. C) disulfide bonds in proteins. D) the glycosidic bonds in peptidoglycan. E) the glycosidic bonds in starch. 21) The terms "run" and "tumble" are generally associated with A) cell membrane structures. B) cell wall fluidity. C) flagella that uses ATP as a direct energy source to rotate. D) cell movement that responds spatial rather than temporal gradients of chemicals. E) taxic movements of the cell. 22)...
What is the primary method used by microbes to have water cross
the membrane?
Choose
one:
A. pumps
B. Membranes do not allow water into or out of cells.
C. diffusion
D. pinocytosis
E. aquaporins
Which of the following is the best example of an
extremophile?
Choose
one:
A. the facultative anaerobe Bacillus cereus
B. the Gram-negative plague-causing bacteria Yersinia
pestis
C. the hyperthermophile bacteria Methanopyrus
kandleri
D. the barotolerant bacterial strain DSK1
Of the reactions that involve reactive oxygen...
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