____ is examples of drugs that are derived from the metabolism of microorganisms. a. Salvarsan b. Prontosil c. Penicillin d. A-C are correct

____ is examples of drugs that are derived from the metabolism of
microorganisms.
a. Salvarsan
b. Prontosil
c. Penicillin
d. A-C are correct
by

1 Answer

Answer :

c. Penicillin
by

Related questions

Ehrlich and Hata discovered that was used to treat a. Salvarsan; syphilis b. penicillin; surgical wounds c. Salvarsan; malaria. d. Prontosil; malaria

Description : Ehrlich and Hata discovered that was used to treat a. Salvarsan; syphilis b. penicillin; surgical wounds c. Salvarsan; malaria. d. Prontosil; malaria

Last Answer : a. Salvarsan; syphilis

Two drugs that affect cell wall synthesis are a. Erythromycin and penicillin. b. Vancomycin and cephalosporin. c. Tetracycline and polymyxin b. d. Chloramphenicol and streptomycin.

Description : Two drugs that affect cell wall synthesis are a. Erythromycin and penicillin. b. Vancomycin and cephalosporin. c. Tetracycline and polymyxin b. d. Chloramphenicol and streptomycin.

Last Answer : a. Erythromycin and penicillin.

Though few in number, some drugs, such as _____, can be used to treat some viral infections. a. penicillin and ampicillin b. isoniazid and dapsone c. amantadine and acyclovir d. streptomycin and amphotericin

Description : Though few in number, some drugs, such as _____, can be used to treat some viral infections. a. penicillin and ampicillin b. isoniazid and dapsone c. amantadine and acyclovir d. streptomycin and amphotericin

Last Answer : c. amantadine and acyclovir

Medications that can be used early in influenza are ____ and ____ because they inhibit the release of new virions. a. aspirin, decongestants b. Relenza, Tamifluc. Penicillin, ampicillin d. AZT, ribivirin

Description : Medications that can be used early in influenza are ____ and ____ because they inhibit the release of new virions. a. aspirin, decongestants b. Relenza, Tamiflu c. Penicillin, ampicillin d. AZT, ribivirin

Last Answer : b. Relenza, Tamiflu

When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct

Description : When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct

Last Answer : d. A-C above are correct

Spoiled food can be caused from _____. a. enterotoxins in food b. contaminating microorganisms from the air c. human food handling d. A-C are correct

Description : Spoiled food can be caused from _____. a. enterotoxins in food b. contaminating microorganisms from the air c. human food handling d. A-C are correct

Last Answer : d. A-C are correct

Which microorganisms are involved in the pickling process in food production?

Description : Which microorganisms are involved in the pickling process in food production?

Last Answer : In the pickling process, microorganisms grow and ferment the food in a salty environment while producing large amounts of acid from available carbohydrates. Species of Leuconostoc and Lactobacillus are ... . Different spices are added to prepare various forms of sauerkraut and pickled cucumbers. 

How do microorganisms influence the carbon cycle on Earth?

Description : How do microorganisms influence the carbon cycle on Earth?

Last Answer : Most of the organic matter present in soil originates in plant material from leaves, rotting trees, decaying roots, and other tissues. In the carbon cycle, soil bacteria and fungi recycle ... suffer an irreversible decline as the nutrients essential for life became tied up in complex molecules. 

Are there any unique ways that humans derive benefits from microorganisms?

Description : Are there any unique ways that humans derive benefits from microorganisms?

Last Answer : Humans derive substantial benefits from the activities of microorganisms. For example, many microbial species live in and on various parts of the body and prevent pathogenic bacteria from gaining a ... and used to produce vitamins, enzymes, organic acids, and other essential growth factors.

Food must be moist, with a minimum water content of _____before contamination by microorganisms and spoilage can occur. a. 18% to 20% b. 10 to 15% c. 5 to 10% d. 0 to 5%

Description : Food must be moist, with a minimum water content of _____before contamination by microorganisms and spoilage can occur. a. 18% to 20% b. 10 to 15% c. 5 to 10% d. 0 to 5%

Last Answer : a. 18% to 20%

All the following characteristics apply to fungi except: a. There may be 1.5 million species. b. They lack chlorophyll. c. They include molds and yeasts. d. They are prokaryotic microorganisms.

Description : All the following characteristics apply to fungi except: a. There may be 1.5 million species. b. They lack chlorophyll. c. They include molds and yeasts. d. They are prokaryotic microorganisms.

Last Answer : d. They are prokaryotic microorganisms.

What part of the GI tract contains the largest population of microorganisms (micro biota)? a. Colon b. Jejunum c. Duodenum d. Stomach

Description : What part of the GI tract contains the largest population of microorganisms (micro biota)? a. Colon b. Jejunum c. Duodenum d. Stomach

Last Answer : a. Colon

Craig Venter‘s sampling of ocean microorganisms is an example of a. Microarrays. b. Horizontal Gene Transfer. c. Microbial Forensics. d. Metagenomics.

Description : Craig Venter‘s sampling of ocean microorganisms is an example of a. Microarrays. b. Horizontal Gene Transfer. c. Microbial Forensics. d. Metagenomics.

Last Answer : d. Metagenomics.

Microorganisms that use organic compounds as energy and carbon sources are a. Chemoheterotrophs. b. Chemoautotrophs. c. Photoautotrophs. d. Photoheterotrophs.

Description : Microorganisms that use organic compounds as energy and carbon sources are a. Chemoheterotrophs. b. Chemoautotrophs. c. Photoautotrophs. d. Photoheterotrophs.

Last Answer : c. Photoautotrophs.

When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called A.pentose phosphate pathway B.glycolyic pathway C.glyoxylate pathway D.oxaloacetate pathway

Description : When acetate is the sole source of carbon for some microorganisms, the cycle  which is used, is called A.pentose phosphate pathway B.glycolyic pathway C.glyoxylate pathway D.oxaloacetate pathway

Last Answer : C.glyoxylate pathway

Complete destruction of the microorganisms is commonly known as A- disinfection B- sterilizationC- antisepsis D- none of these

Description : Complete destruction of the microorganisms is commonly known as A- disinfection B- sterilization C- antisepsis D- none of these

Last Answer : antisepsis

The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as A- selective medium B- enrichment medium C- differential medium D- none of these

Description : The medium which allows the growth of more than one microorganisms of interest but with morphologically distinguishable colonies is known as A- selective medium B- enrichment medium C- differential medium D- none of these

Last Answer : differential medium

Which of the following microorganisms is classified as a member of archaebacteria? A- Gyanobacteria B- Methanobacteria C-Trichomonads D- Mycoplasma

Description : Which of the following microorganisms is classified as a member of archaebacteria? A- Gyanobacteria B- Methanobacteria C-Trichomonads D- Mycoplasma

Last Answer : Methanobacteria

Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above

Description : Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above

Last Answer : e. all the above

First person to describe microorganisms A Carolus Linnaeus B Robert Hooke C Francesco Redi D Antony van Leeuwenhoek

Description : First person to describe microorganisms A Carolus Linnaeus B Robert Hooke C Francesco Redi D Antony van Leeuwenhoek

Last Answer : B Robert Hooke

Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.

Description : Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Description : Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Last Answer : a. all living things are made of cells

Which of the following antibiotics work by targetting protein synthesis? a. Methicillin b. Chloramphenicol c. Penicillin d. Nystatin.

Description : Which of the following antibiotics work by targetting protein synthesis? a. Methicillin b. Chloramphenicol c. Penicillin d. Nystatin.

Last Answer : b. Chloramphenicol

Two major drawbacks to the use of ______ is allergies and beta- lactamases produced by resistant bacteria. a. Tetracyclineb. Penicillin c. Cephalosporin d. Bacitracin

Description : Two major drawbacks to the use of ______ is allergies and beta- lactamases produced by resistant bacteria. a. Tetracycline b. Penicillin c. Cephalosporin d. Bacitracin

Last Answer : b. Penicillin

Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi

Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi

Last Answer : c. Tetracycline-viruses

Two cyclic polypeptide antibiotics are a. Vancomycin and streptomycin. b. Penicillin and cephalosporin. c. Bacitracin and polymyxins d. .gentamicin and chloramphenicol

Description : Two cyclic polypeptide antibiotics are a. Vancomycin and streptomycin. b. Penicillin and cephalosporin. c. Bacitracin and polymyxins d. .gentamicin and chloramphenicol

Last Answer : c. Bacitracin and polymyxins

The re-isolation and purification of penicillin was carried out by a. Waksman. b. Florey and Chain. c. Domagk. d. Fleming.

Description : The re-isolation and purification of penicillin was carried out by a. Waksman. b. Florey and Chain. c. Domagk. d. Fleming.

Last Answer : b. Florey and Chain.

Penicillin resistance in staphylococci is acquired due to A.conjugation B.mutation C.transformation D.transduction

Description : Penicillin resistance in staphylococci is acquired due to A.conjugation B.mutation C.transformation D.transduction

Last Answer : D.transduction

An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to A.0.6 micrograms of crystalline penicillin G of about 98% purity B.0.6 micrograms of crystalline penicillin F of about 98% purity C.0.8 micrograms of crystalline penicillin G of about 98% purity D.0.8 micrograms of crystalline penicillin G of about 90% purity

Description : An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to A.0.6 micrograms of crystalline penicillin G of about 98% purity B.0.6 micrograms of crystalline ... G of about 98% purity D.0.8 micrograms of crystalline penicillin G of about 90% purity

Last Answer : A.0.6 micrograms of crystalline penicillin G of about 98% purity

Which of the following may be most likely to be missing from a gram-positive bacterium? A.Penicillin binding protein B.Peptidoglycan C.Lipopolysaccharide D.Phospholipid bilayer membrane

Description : Which of the following may be most likely to be missing from a gram-positive bacterium? A.Penicillin binding protein B.Peptidoglycan C.Lipopolysaccharide D.Phospholipid bilayer membrane

Last Answer : C.Lipopolysaccharide

Penicillin resistance in staphylococci is acquired due to A- conjugation B- mutation C- transformation D- transduction

Description : Penicillin resistance in staphylococci is acquired due to A- conjugation B- mutation C- transformation D- transduction

Last Answer : transduction

The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein

Description : The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein

Last Answer : attaching two amino acids to form a cross-link

Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- .Bdellovibrios D- .Spirochetes

Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- .Bdellovibrios D- .Spirochetes

Last Answer : Mycoplasmas

Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- BdellovibriosD- Spirochetes

Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- Bdellovibrios D- Spirochetes

Last Answer : Mycoplasmas

Which German bacteriologist discovered Salvarsan, a compound used in the treatment of syphilis, before the introduction of antibiotics?

Description : Which German bacteriologist discovered Salvarsan, a compound used in the treatment of syphilis, before the introduction of antibiotics?

Last Answer : Paul Ehrlich

he dominant pharmacokinetic feature of penicillin G is: A. It is equally distributed extra- and intracellularly B. It is rapidly secreted by proximal renal tubules C. It has low oral bioavailability due to high first pass metabolism in liver D. It does not cross blood–CSF barrier even when meninges are inflamed

Description : he dominant pharmacokinetic feature of penicillin G is: A. It is equally distributed extra- and intracellularly B. It is rapidly secreted by proximal renal tubules C. It has low oral bioavailability ... pass metabolism in liver D. It does not cross blood-CSF barrier even when meninges are inflamed

Last Answer : B. It is rapidly secreted by proximal renal tubules

Which one of the following cell types is NOT derived from myeloid progenitors? a. Lymphocytes b. Monocytes c. Eosinophils d. Neutrophits

Description : Which one of the following cell types is NOT derived from myeloid progenitors? a. Lymphocytes b. Monocytes c. Eosinophils d. Neutrophits

Last Answer : a. Lymphocytes

Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Description : Viruses derived from fragments of cellular genetic material and macromolecules forms the basis of the a. Cellular Origins Hypothesis. b. Independent Entities Hypothesis. c. Rna World Hypothesis. d. Regressive Evolution Hypothesis.

Last Answer : a. Cellular Origins Hypothesis.

Phenolics include chemical agents a. Such As The Iodophores. b. Derived From Carbolic Acid. c. Used As Tiñctures. d. Such As Formaldehyde. ,

Description : Phenolics include chemical agents a. Such As The Iodophores. b. Derived From Carbolic Acid. c. Used As Tiñctures. d. Such As Formaldehyde. ,

Last Answer : d. Such As Formaldehyde. ,

Polymorphonuclear leukocytes (or PMNs) A- can be attracted to the site of an infection following activation of complement B- are derived from bone marrow stem cells C- are a type of phagocyte that can engulf and kill bacteria D- .all of the above

Description : Polymorphonuclear leukocytes (or PMNs) A- can be attracted to the site of an infection following activation of complement B- are derived from bone marrow stem cells C- are a type of phagocyte that can engulf and kill bacteria D- .all of the above

Last Answer : .all of the above

The term antibiotic was coined by _________to refer to antimicrobial substances naturally derived from _______. a. Waksman; bacteria and fungi b. Domagk; other living organisms c. Fleming; fungi and bacteria d. Ehrlich; bacteria

Description : The term antibiotic was coined by _________to refer to antimicrobial substances naturally derived from _______. a. Waksman; bacteria and fungi b. Domagk; other living organisms c. Fleming; fungi and bacteria d. Ehrlich; bacteria

Last Answer : c. Fleming; fungi and bacteria

The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Leptospira interrogans has all the following characteristics except: a. Endoflagella. b. Aerobic Metabolism. c. Exotoxin Production. d. A Hook At One End Of The Cell.

Description : Leptospira interrogans has all the following characteristics except: a. Endoflagella. b. Aerobic Metabolism. c. Exotoxin Production. d. A Hook At One End Of The Cell.

Last Answer : c. Exotoxin Production.

In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Last Answer : a. Acid; Hydrogen Gas

Which one of the following macromolecules would NOT normally be used for microbial energy metabolism. a. DNA b. Proteins c. Carbohydrates d. Fats

Description : Which one of the following macromolecules would NOT normally be used for microbial energy metabolism. a. DNA b. Proteins c. Carbohydrates d. Fats

Last Answer : b. Proteins

The PCR/sequencing approach to rRNA is most likely to give information about A.the species to which the bacteria are most closely related B.morphology of the bacterium C.the type of energy metabolism the bacterium has D.whether the bacterium is motile

Description : The PCR/sequencing approach to rRNA is most likely to give information about A.the species to which the bacteria are most closely related B.morphology of the bacterium C.the type of energy metabolism the bacterium has D.whether the bacterium is motile

Last Answer : A.the species to which the bacteria are most closely related

The PCR/sequencing approach to rRNA is most likely to give information about A.the species to which the bacteria are most closely related B.morphology of the bacterium C.the type of energy metabolism the bacterium has D.whether the bacterium is motile

Description : The PCR/sequencing approach to rRNA is most likely to give information about A.the species to which the bacteria are most closely related B.morphology of the bacterium C.the type of energy metabolism the bacterium has D.whether the bacterium is motile

Last Answer : A.the species to which the bacteria are most closely related

In eukaryotic microbes, energy metabolism is associated with the _____. a. Golgi apparatus b. flagella c. cytoskeleton d. mitochondria

Description : In eukaryotic microbes, energy metabolism is associated with the _____. a. Golgi apparatus b. flagella c. cytoskeleton d. mitochondria

Last Answer : d. mitochondria

The ability to maintain a relatively stable internal state is called _____. a. Homeostasis b. Metabolism c. Equilibrium d. Balancing

Description : The ability to maintain a relatively stable internal state is called _____. a. Homeostasis b. Metabolism c. Equilibrium d. Balancing

Last Answer : a. Homeostasis

What is the term that describes the ability of organisms to maintain a stable internal state? a. Metabolism b. Homeostasis c. Biosphere d. Ecotype

Description : What is the term that describes the ability of organisms to maintain a stable internal state? a. Metabolism b. Homeostasis c. Biosphere d. Ecotype

Last Answer : b. Homeostasis