Endospores are able to produce viable cells after exposure to handsanitizer, bleach, or peroxide. This is...
Endospores are able to produce viable cells after exposure to handsanitizer, bleach, or peroxide. This is due to the presence of what molecule?
A- lipopolysaccharide
B- hopanoids
C- glycoprotiens
D- mycolic acid
E-dipicolinic acid
Homework Answers
E-dipicolinic acid
Dipicolinic acid forms a complex with calcium ions within the endospore core. It aids in endospore resistance to heat and oxidizing agents.
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Endospores are able to produce viable cells after exposure to
handsanitizer, bleach, or peroxide. This is...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce Te cells to function c. restrict antibody formation activate macrophages activate Th cells 30. Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanism? a. alteration of a metabolic pathway b. alteration of an enzyme c. development of enzymes d. alteration of target & d 31. Which one of the following is not an attribute of...
please explain with details sen peroxide is a colorless liquid at room temperature. It is soluble...
please explain with
details
sen peroxide is a colorless liquid at room temperature. It is soluble in water because of its unique structure. Figure 1 shows the structure, bond angles, and bond lengths in the molecule. Hydrogen pigure 1 shows Figure 1: Structure of hydrogen peroxide OLS 147.4 pm 1 0 9 95.0 pm .0pm OH 94.8 When heated hydrogen peroxide forms H20 and 02. The reaction is rapid in the presence of a catalyst like potassium iodide. Figure 2:...
1.Individuals with peanut allergies can exhibit a variety of symptoms following exposure to the peanut allergen....
1.Individuals with peanut allergies can exhibit a variety of symptoms following exposure to the peanut allergen. These symptoms can include a runny nose, skin reactions such as hives, itching in the mouth and throat, digestive problems such as cramps, diarrhea or vomiting, and shortness of breath or wheezing. This variety of symptoms is a result of: a. Systemic production of inflammatory mediators causing responses in many tissues b. The simultaneous exposure of skin, oral mucosa, throat, and gastrointestinal tract to...
A. Organisms heterozygous for inversions and translocations are viable and able to produce progeny but usually...
A. Organisms heterozygous for inversions and translocations are
viable and able to produce progeny but usually in fewer numbers.
Explain why this is so in general terms.
B. Also, explain how would you distinguish among pericentric
inversions, paracentric inverisons, reciprocal translocations and
non reciprocal translocations as sources of semi-sterility. You
need to consider meiotic figures.
C. How can these chromosome aberrations be used to map genes to
chromosomes or linkage groups. You may use a two-point mapping
system as an...
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric...
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric Acid Cycle or Glycolysis (b) If a cell ran out of NAD", then would that cell be able to continue performing glycolysis? If you say "no", then identify the specific step of glycolysis (draw it) that requires NAD. (c) During aerobic respiration, NAD* is regenerated when NADH donates its H atom to the electron transport chain. Explain how NAD is regenerated during fermentation. (d)...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
48. In all cells, glucose catabolism begins with a glycolysis. b. fermentation c. pyruvate oxidation. d....
48. In all cells, glucose catabolism begins with a glycolysis. b. fermentation c. pyruvate oxidation. d. the citric acid cycle. e. chemiosmosis Questions 49-51 apply to the diagram below 49. The diagram above most likely represent metabolic processes occurring in the a Endoplasmic reticulum b. Mitochondria c. Chloroplast d Golgi apparatus e Lysosome 50. Under aerobic conditions "X" is most likely the molecule: a. Hydrogen peroxide b. Superoxide dismutase c. Oxygen d. Carbon dioxide c. Nitrate 51. The structure indicated...
molecule. One glucose molecule and one galactose molecule would produce a) galactose b) sucrose maltose d)...
molecule. One glucose molecule and one galactose molecule would produce a) galactose b) sucrose maltose d) collagen e) lactose Which of the following is a correct match of monomer to polymer: a) glucose - protein b) glucose - lipid c) amino acid - protein d) amino acid - nucleic acid e) Nucleotide - protein The most abundant bio-organic molecule that is contained in any cell: a) lipid b) carbohydrate c) nucleic acid d) protein e) boeh a and care amount...
37. What is NOT correct about phagocytic, professional antigen-presenting cells? a. they produce a respiratory burst...
37. What is NOT correct about phagocytic, professional antigen-presenting cells? a. they produce a respiratory burst as soon as the phagosome is formed around the foreign particle b. They create toxic reactive oxygen species to immediately kill microorganisms c. They bind a foreign peptide antigen in the cleft between two chains of the MHC Class II d. e. molecule Have receptors for immunoglobulins and C3b all are correct
7 through 14 please 7. A superinfection occurs due to: A) a lack of drugs to...
7 through 14 please
7. A superinfection occurs due to: A) a lack of drugs to treat the infection; B) drug toxicity to kidneys: C) using the wrong drugs to treat the patient: D) destruction in normal flora leading to overgrowth of an unaffected species which in turn causes the disease; E) an allergic immune response 8. heat is more rapidly effective and efficient compared to heat. A) High, dry; B) High, moist; C) Dry, moist; D) Moist, dry, E)...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce Te cells to function c. restrict antibody formation activate macrophages activate Th cells 30. Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanism? a. alteration of a metabolic pathway b. alteration of an enzyme c. development of enzymes d. alteration of target & d 31. Which one of the following is not an attribute of...
please explain with
details
sen peroxide is a colorless liquid at room temperature. It is soluble in water because of its unique structure. Figure 1 shows the structure, bond angles, and bond lengths in the molecule. Hydrogen pigure 1 shows Figure 1: Structure of hydrogen peroxide OLS 147.4 pm 1 0 9 95.0 pm .0pm OH 94.8 When heated hydrogen peroxide forms H20 and 02. The reaction is rapid in the presence of a catalyst like potassium iodide. Figure 2:...
A. Organisms heterozygous for inversions and translocations are
viable and able to produce progeny but usually in fewer numbers.
Explain why this is so in general terms.
B. Also, explain how would you distinguish among pericentric
inversions, paracentric inverisons, reciprocal translocations and
non reciprocal translocations as sources of semi-sterility. You
need to consider meiotic figures.
C. How can these chromosome aberrations be used to map genes to
chromosomes or linkage groups. You may use a two-point mapping
system as an...
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric Acid Cycle or Glycolysis (b) If a cell ran out of NAD", then would that cell be able to continue performing glycolysis? If you say "no", then identify the specific step of glycolysis (draw it) that requires NAD. (c) During aerobic respiration, NAD* is regenerated when NADH donates its H atom to the electron transport chain. Explain how NAD is regenerated during fermentation. (d)...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
48. In all cells, glucose catabolism begins with a glycolysis. b. fermentation c. pyruvate oxidation. d. the citric acid cycle. e. chemiosmosis Questions 49-51 apply to the diagram below 49. The diagram above most likely represent metabolic processes occurring in the a Endoplasmic reticulum b. Mitochondria c. Chloroplast d Golgi apparatus e Lysosome 50. Under aerobic conditions "X" is most likely the molecule: a. Hydrogen peroxide b. Superoxide dismutase c. Oxygen d. Carbon dioxide c. Nitrate 51. The structure indicated...
molecule. One glucose molecule and one galactose molecule would produce a) galactose b) sucrose maltose d) collagen e) lactose Which of the following is a correct match of monomer to polymer: a) glucose - protein b) glucose - lipid c) amino acid - protein d) amino acid - nucleic acid e) Nucleotide - protein The most abundant bio-organic molecule that is contained in any cell: a) lipid b) carbohydrate c) nucleic acid d) protein e) boeh a and care amount...
37. What is NOT correct about phagocytic, professional antigen-presenting cells? a. they produce a respiratory burst as soon as the phagosome is formed around the foreign particle b. They create toxic reactive oxygen species to immediately kill microorganisms c. They bind a foreign peptide antigen in the cleft between two chains of the MHC Class II d. e. molecule Have receptors for immunoglobulins and C3b all are correct
7 through 14 please
7. A superinfection occurs due to: A) a lack of drugs to treat the infection; B) drug toxicity to kidneys: C) using the wrong drugs to treat the patient: D) destruction in normal flora leading to overgrowth of an unaffected species which in turn causes the disease; E) an allergic immune response 8. heat is more rapidly effective and efficient compared to heat. A) High, dry; B) High, moist; C) Dry, moist; D) Moist, dry, E)...
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