Homework Answers
Ans-29.) The main form of reproduction in bacteria is Sporulation.
Ans -30.) Halobacteria are able to able to survive in areas of high salt concentration. True
Ans - 31.) All of the given options are correct. Formation of stationary phase of the bacterial growth curve - pH change in the medium, reduction in nutrient supply / availability , increase in metabolic waste products .
Ans -32.) Optimum growth temperature range of psychrophiles is between 0 °C and 20° C.
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Please answer all.. Thank you
29) The main form of reproduction in bacteria is (1 pts)...
PLease answer all..... Thank you 13) The basic unit of bacterial measurement is the (1 pts)...
PLease answer all..... Thank you
13) The basic unit of bacterial measurement is the (1 pts) Omillimeter O micrometer O nanometer angstrom 14) The bacteria characterized by a very small size and pleomorphism are the (1pts) O mycobacteria mycoplasms Ospirochetes Ostaphylococci O streptococci 15) Spiral-shaped bacteria occur predominantly as (1pts) O diplobacilli clusters O filaments O palisades O single cells 16) Which of the following statements regarding bacterial capsules is/are true? (1 pts) the size of the capsule is related...
please answer all.... 25) Bacteria which grow best at temperature of 50°C are called (1pts) psychrophiles...
please answer all....
25) Bacteria which grow best at temperature of 50°C are called (1pts) psychrophiles O mesophiles thermophiles microaerophiles 26) Yeast extract is added to a peptone medium primarily to provide additional amounts of O B vitamins O carbohydrates gelatin inorganic salts Opeptidoglycans 27) Facultative anaerobic bacteria (1 pts) respire in the presence or absence of free oxygen reuqire an excess of carbon dioxide for growth Ogrow only in the presence of minute quantities of oxygen are obligate thermophiles...
Please answer all.... Thank you! (1p 37) Bacteria of energetic disadvantage rely on the process of...
Please answer all.... Thank you!
(1p 37) Bacteria of energetic disadvantage rely on the process of reversed energy flow for the generation of reducing power. O True O False 38) Reduction involves a (1 pts) loss of electrons gain of electrons O gain of neutrons 0 loss of neutrons 39) The total energy change in a system as it proceeds to equilibrium is called (1 pts) free energy activation energy maximum energy O All of the above are correct. (1p...
please answer all... Thank you! 41) The energy currency of the cell is (1 pts) OFAD...
please answer all... Thank you!
41) The energy currency of the cell is (1 pts) OFAD NAD+ ПАТР OPGAL (1 pts) 42) Some possible end product(s) of the aerobic catabolic pathways is(are): carbon dioxide ammonia water O ethyl alcohol Ohydrogen sulfide Several of the above are correct, but not all are correct. O All of the above are correct. 43) The final electron acceptor of the oxidative phosphorylation electron transport chain is O oxygen O pyruvate O Coenzyme- A O...
Please answer all.. Thank you 73.) Coenzymes serve as carrier molecule, the coenzyme may be? a.)...
Please answer all.. Thank you
73.) Coenzymes serve as carrier molecule, the coenzyme may
be?
a.) derived from vitamins
b) integral proteinsof all membrane
c.) both correct
d.) none is correct
(1 pts) 74) Which of the following cellular activities does (do) not require metabolic energy? heat production O motility facilitated diffusion active trasnport All of the above require metabolic energy 75) Which of the following statements regarding the peptide chain of peptidoglycan is true? i. Several of the amino...
PLease answer all... Thank you! 53) An enzyme is (1 pts) an organic catalyst able to...
PLease answer all... Thank you!
53) An enzyme is (1 pts) an organic catalyst able to change the rate of reaction a protein All of the above are correct. 54) Cyanide is a strong inhibitor of iron-containing enzymes because it binds with iron and deprives the enzyme of its cofactor. This is called O noncompetitive ihibition denaturation O competitive inhibition O constitutive enzymes 55) Enzymes which are produced by the cell only in response to a particular substrate are called...
Please answer all.... Thank you a.) a pentose sugar linked to a phosphate group b.) a...
Please answer all.... Thank you
a.) a pentose sugar linked to a phosphate group
b.) a pentose sugar linked to a nitrogenous base
c.) a hexose sugar linked to a nitrogenous base
d.) a nucleoside liked to a phosphate group
e.) none of the above are correct
85) The process by which donor bacterial genes are "absorbed" by the recipient cell from DNA fragments in the environment has been called transformation O conjugation transduction transversion O bacteriocinogenesis (1...
correct the ones marked wrong, and explain why they are the right answer Part I. Multiple...
correct the ones marked wrong, and explain why they are the
right answer
Part I. Multiple Choice. 1.5 points each, 32 questions, 48 points to Fill in the blank with the correct answer choice. 1. Which of the following is NOT required for microorganisms to grow and divide? ationefoliciningisson re edcorator als D replication b. binary fission um ormation injustt e@hours. This Cequatorial septum formation d. conjugation 2. A culture of Salmonella increases from 20 cells to over 10,000 cells...
Please answer all..... Thank you 1) The development of solid culture media and pure culture techniques...
Please answer all..... Thank you
1) The development of solid culture media and pure culture techniques is attributed to Koch Pasteur 0 Flemming Mechnikoff Needham 2) Lister's contribution to microbiology was associated with (1 pts) discovery of Listerine aseptic surgery O preservation of food O pasteurization O lyophilization 3) The concept of abiogenesis affirms (1 pts) the germ theory of disease the principle of immunization the theory of spontaneous generation the theory of pinocytosis None of the above are correct...
Please explain the correct answer to all three questions. Thank you! Incorrect Question 11 0/1 pts...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
PLease answer all..... Thank you
13) The basic unit of bacterial measurement is the (1 pts) Omillimeter O micrometer O nanometer angstrom 14) The bacteria characterized by a very small size and pleomorphism are the (1pts) O mycobacteria mycoplasms Ospirochetes Ostaphylococci O streptococci 15) Spiral-shaped bacteria occur predominantly as (1pts) O diplobacilli clusters O filaments O palisades O single cells 16) Which of the following statements regarding bacterial capsules is/are true? (1 pts) the size of the capsule is related...
please answer all....
25) Bacteria which grow best at temperature of 50°C are called (1pts) psychrophiles O mesophiles thermophiles microaerophiles 26) Yeast extract is added to a peptone medium primarily to provide additional amounts of O B vitamins O carbohydrates gelatin inorganic salts Opeptidoglycans 27) Facultative anaerobic bacteria (1 pts) respire in the presence or absence of free oxygen reuqire an excess of carbon dioxide for growth Ogrow only in the presence of minute quantities of oxygen are obligate thermophiles...
Please answer all.... Thank you!
(1p 37) Bacteria of energetic disadvantage rely on the process of reversed energy flow for the generation of reducing power. O True O False 38) Reduction involves a (1 pts) loss of electrons gain of electrons O gain of neutrons 0 loss of neutrons 39) The total energy change in a system as it proceeds to equilibrium is called (1 pts) free energy activation energy maximum energy O All of the above are correct. (1p...
please answer all... Thank you!
41) The energy currency of the cell is (1 pts) OFAD NAD+ ПАТР OPGAL (1 pts) 42) Some possible end product(s) of the aerobic catabolic pathways is(are): carbon dioxide ammonia water O ethyl alcohol Ohydrogen sulfide Several of the above are correct, but not all are correct. O All of the above are correct. 43) The final electron acceptor of the oxidative phosphorylation electron transport chain is O oxygen O pyruvate O Coenzyme- A O...
Please answer all.. Thank you
73.) Coenzymes serve as carrier molecule, the coenzyme may
be?
a.) derived from vitamins
b) integral proteinsof all membrane
c.) both correct
d.) none is correct
(1 pts) 74) Which of the following cellular activities does (do) not require metabolic energy? heat production O motility facilitated diffusion active trasnport All of the above require metabolic energy 75) Which of the following statements regarding the peptide chain of peptidoglycan is true? i. Several of the amino...
PLease answer all... Thank you!
53) An enzyme is (1 pts) an organic catalyst able to change the rate of reaction a protein All of the above are correct. 54) Cyanide is a strong inhibitor of iron-containing enzymes because it binds with iron and deprives the enzyme of its cofactor. This is called O noncompetitive ihibition denaturation O competitive inhibition O constitutive enzymes 55) Enzymes which are produced by the cell only in response to a particular substrate are called...
Please answer all.... Thank you
a.) a pentose sugar linked to a phosphate group
b.) a pentose sugar linked to a nitrogenous base
c.) a hexose sugar linked to a nitrogenous base
d.) a nucleoside liked to a phosphate group
e.) none of the above are correct
85) The process by which donor bacterial genes are "absorbed" by the recipient cell from DNA fragments in the environment has been called transformation O conjugation transduction transversion O bacteriocinogenesis (1...
correct the ones marked wrong, and explain why they are the
right answer
Part I. Multiple Choice. 1.5 points each, 32 questions, 48 points to Fill in the blank with the correct answer choice. 1. Which of the following is NOT required for microorganisms to grow and divide? ationefoliciningisson re edcorator als D replication b. binary fission um ormation injustt e@hours. This Cequatorial septum formation d. conjugation 2. A culture of Salmonella increases from 20 cells to over 10,000 cells...
Please answer all..... Thank you
1) The development of solid culture media and pure culture techniques is attributed to Koch Pasteur 0 Flemming Mechnikoff Needham 2) Lister's contribution to microbiology was associated with (1 pts) discovery of Listerine aseptic surgery O preservation of food O pasteurization O lyophilization 3) The concept of abiogenesis affirms (1 pts) the germ theory of disease the principle of immunization the theory of spontaneous generation the theory of pinocytosis None of the above are correct...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
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