The smallest living cell is that of a (a) bacterium (b) bread mold (c) mycoplasma (d) virus

The smallest living cell is that of a (a) bacterium (b) bread mold (c) mycoplasma (d) virus
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Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Last Answer : (b) Mycoplasma

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Last Answer : (2) Mycoplasma

The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

The smallest known prokatyotic organism is – (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

Description : The smallest known prokatyotic organism is – (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

Last Answer : (2) Mycoplasma Explanation: Mycoplasmas are the smallest and simplest prokaryotes capable of self-replication. Keeping the number of structural elements, metabolic pathways and components of the protein ... to an essential minimum places Myeoplasmas closest to the concept of 'minimum cells'.

The smallest known prokaryotic organism is (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

Description : The smallest known prokaryotic organism is (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

Last Answer : Mycoplasma

Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Mycoplasma (4) Virus

Description : Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Mycoplasma (4) Virus

Last Answer : (4) Virus Explanation: Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of pathogens, such as viruses, bacteria, parasites, ... named for their ability to "interfere" with viral replication by protecting cells from virus infections.

Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these

Description : Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these

Last Answer : C.rickettsial antigens and antigens of certain strains of Proteus

Interferons are synthesized in response to (1) Bacteria (2) Fungi (3) Mycoplasma(4) Virus

Description : Interferons are synthesized in response to (1) Bacteria (2) Fungi (3) Mycoplasma(4) Virus

Last Answer : Virus

Which is the smallest bacterium ?

Description : Which is the smallest bacterium ?

Last Answer : answer : dialister

Which of the following structures is the smallest? A- Viriod B- Hydrogen atom C- .Bacterium D- Mitochondrion

Description : Which of the following structures is the smallest? A- Viriod B- Hydrogen atom C- .Bacterium D- Mitochondrion

Last Answer : Hydrogen atom

All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix nitrogen in the free-living state (c) cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids (d) like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host’s cortex

Description : All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix ... its host plant through root hair deformation and stimulates cell proliferation in the host's cortex

Last Answer : (b) can fix nitrogen in the free-living state

What are the possible physical aftereffects from eating moldy bread (including the mold)?

Description : What are the possible physical aftereffects from eating moldy bread (including the mold)?

Last Answer : A bad taste in your mouth.

Why does rye bread tend to mold sooner than wholewheat bread?

Description : Why does rye bread tend to mold sooner than wholewheat bread?

Last Answer : Perhaps it is moister? Moister bread molds more quickly. When I make potato bread, it molds very quickly because it’s so much moister than other breads, for example.

How dangerous is bread mold?

Description : How dangerous is bread mold?

Last Answer : Should be fine, from past experience.

Are yeast mushrooms bread mold and algae all fungi?

Description : Are yeast mushrooms bread mold and algae all fungi?

Last Answer : No, the exception is algae which is a plant not a fungus.

How dangerous is it if you accidentally inhaled mold dust cloud from when throwing out moldy bread?

Description : How dangerous is it if you accidentally inhaled mold dust cloud from when throwing out moldy bread?

Last Answer : What is the answer ?

Bread mold is a member of which phylum? Sexual mating types fuse forming a _____. a. Zygomycota, zyogospores b. Glomeromycota, sporangiospores c. Ascomycota, ascospores d. Basidiomycota, basidiospores

Description : Bread mold is a member of which phylum? Sexual mating types fuse forming a _____. a. Zygomycota, zyogospores b. Glomeromycota, sporangiospores c. Ascomycota, ascospores d. Basidiomycota, basidiospores

Last Answer : a. Zygomycota, zyogospores

The bread mold Rhizopusstolonifer belongs to which of the following fungal divisions? A- Ascomycota B- Deuteromycota C- Oomycota D- Zygomycota

Description : The bread mold Rhizopusstolonifer belongs to which of the following fungal divisions? A- Ascomycota B- Deuteromycota C- Oomycota D- Zygomycota

Last Answer : Zygomycota

What is the difference between a virus and a bacterium?

Description : What is the difference between a virus and a bacterium?

Last Answer : A: A virus is smaller and can only reproduce inside a living host, while a bacterium can reproduce on its own.

A virus infecting a bacterium is -Science

Description : A virus infecting a bacterium is -Science

Last Answer : A VIRUS INFECTING A BACTERIUM IS CALLED BACTERIOPHAGES; OR PHAGES.

The necrotic ring spot disease of stone fruits (cherry, peach, plum, etc.) is caused by (a) a bacterium (b) fungal infection (c) molybdenum deficiency (d) virus

Description : The necrotic ring spot disease of stone fruits (cherry, peach, plum, etc.) is caused by (a) a bacterium (b) fungal infection (c) molybdenum deficiency (d) virus

Last Answer : Ans:(d)

The virus that infects a bacterium is (a) Arbovirus (b) Viremia (c) Bacteriophage (d) Baclofen

Description : The virus that infects a bacterium is (a) Arbovirus (b) Viremia (c) Bacteriophage (d) Baclofen

Last Answer : Ans:(c)

What causes mumps? A. Fungus B. Bacterium C. Deficiency of vitamins D. Virus (Answer)

Description : What causes mumps? A. Fungus B. Bacterium C. Deficiency of vitamins D. Virus (Answer)

Last Answer : D. Virus (Answer)

What is the difference between a virus and a bacterium?

Description : What is the difference between a virus and a bacterium?

Last Answer : A: A virus is an infectious agent that consists of genetic material surrounded by a protein coat and requires a host cell to replicate, while a bacterium is a single-celled organism that can exist and reproduce independently.

What is the difference between a virus and a bacterium?

Description : What is the difference between a virus and a bacterium?

Last Answer : A: A virus is a non-living particle that requires a host cell to reproduce, while a bacterium is a single-celled organism that can reproduce on its own. Bacteria are also much larger than viruses and have a more complex cellular structure.

What is the difference between a virus and a bacterium?

Description : What is the difference between a virus and a bacterium?

Last Answer : A: A virus is a non-living, infectious particle that requires a host cell to replicate, while a bacterium is a living microorganism that can replicate on its own and can cause infection or disease.

What is the difference between a virus and a bacterium?

Description : What is the difference between a virus and a bacterium?

Last Answer : A: A virus is a non-living particle that requires a host cell to replicate, while a bacterium is a living, single-celled organism.

The antibiotic penicillin is obtained from which of the following? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Description : The antibiotic penicillin is obtained from which of the following? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Last Answer : (3) fungus Explanation: Penicillins are a group of antibiotics used to treat a large range of bacterial infections. They are derived from Penicillium fungi and can be taken orally or via injection. Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming.

Typhoid fever is caused by – (1) Bacterium (3) Fungi (2) Protozoa (4) Virus

Description : Typhoid fever is caused by – (1) Bacterium (3) Fungi (2) Protozoa (4) Virus

Last Answer : (1) Bacterium

'ELISA' test is employed to diagnose - (1) Polio virus (2) AIDS antibodies (3) Tuberculosis bacterium (4) Cancer

Description : 'ELISA' test is employed to diagnose - (1) Polio virus (2) AIDS antibodies (3) Tuberculosis bacterium (4) Cancer

Last Answer : (3) Tuberculosis bacterium Explanation: ELISA is an abbreviation for "enzymelinked immunosorbent assay." An ELISA test uses components of the immune system and chemicals to detect immune responses In the body (for example, to infectious microbes).

Polio is caused by - (1) Bacterium (2) Fungus (3) Virus (4) Insect

Description : Polio is caused by - (1) Bacterium (2) Fungus (3) Virus (4) Insect

Last Answer : (3) Virus Explanation: Poliomyelitis , often called polio or infantile paralysis, is an acute, viral, infectious disease spread from person to person, primarily via the fecal-oral route.

Read the following four statements (A-D). (A) Colostrum is recommended for the new born because it is rich in antigens. (B) Chikungunya is caused by a Gram negative bacterium. (C) Tissue culture has proved useful in obtaining virus-free plants. (D) **** is manufactured by distillation of fermented grape juice. How many of the above statements are wrong? (a) Two (b) Three (c) Four (d) One

Description : Read the following four statements (A-D). (A) Colostrum is recommended for the new born because it is rich in antigens. (B) Chikungunya is caused by a Gram negative bacterium. (C) Tissue culture has proved useful ... . How many of the above statements are wrong? (a) Two (b) Three (c) Four (d) One

Last Answer : (B) Chikungunya is caused by a Gram negative bacterium.

Common cold is not cured by antibiotics because it is (a) caused by a virus (b) caused by a Gram-positive bacterium (c) caused by a Gram-negative bacterium (d) not an infectious disease.

Description : Common cold is not cured by antibiotics because it is (a) caused by a virus (b) caused by a Gram-positive bacterium (c) caused by a Gram-negative bacterium (d) not an infectious disease.

Last Answer : (b) caused by a Gram-positive bacterium

Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficienc(b) pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine (c) pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.y disease

Description : Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease (b) pneumonia can be prevented by a live attenuated ... infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

Last Answer : (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.

Description : The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.

Last Answer : (c) viroid

The experimental proof for semi-conservative replication of DNA was first shown in a (a) fungus (b) bacterium (c) plant (d) virus

Description : The experimental proof for semi-conservative replication of DNA was first shown in a (a) fungus (b) bacterium (c) plant (d) virus

Last Answer : (b) bacterium

Which among the following are Malicious Softwares: a) Virus and Worms b) Trojan Horse and Time Bomb c) Logic Bomb and Rabbit and Bacterium d) None of These e) All of the Above

Description : Which among the following are Malicious Softwares: a) Virus and Worms b) Trojan Horse and Time Bomb c) Logic Bomb and Rabbit and Bacterium d) None of These e) All of the Above

Last Answer : e) All of the Above

Which among the following are Malicious Softwares:va) Virus and Worms b) Trojan Horse and Time Bomb c) Logic Bomb and Rabbit and Bacterium d) None of These e) All of the Above

Description : Which among the following are Malicious Softwares: a) Virus and Worms b) Trojan Horse and Time Bomb c) Logic Bomb and Rabbit and Bacterium d) None of These e) All of the Above

Last Answer : e) All of the Above

The experimental proof for semiconservative replication of DNA was first shown in a (1) Fungus (2) Bacterium (3) Plant (4) Virus

Description : The experimental proof for semiconservative replication of DNA was first shown in a (1) Fungus (2) Bacterium (3) Plant (4) Virus

Last Answer : (2) Bacterium

The antibiotic penicillin is obtained from which of the following ? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Description : The antibiotic penicillin is obtained from which of the following ? (1) synthetic process (2) a bacterium (3) fungus (4) virus infected cells

Last Answer : fungus

Typhoid fever is caused by (1) Bacterium (2) Protozoa (3) Fungi (4) Virus

Description : Typhoid fever is caused by (1) Bacterium (2) Protozoa (3) Fungi (4) Virus

Last Answer : Bacterium

Polio is caused by (1) Bacterium (2) Fungus (3) Virus (4) Insect

Description : Polio is caused by (1) Bacterium (2) Fungus (3) Virus (4) Insect

Last Answer : Virus

‘ELISA’ test is employed to diagnose : (1) Polio virus (2) AIDS antibodies (3) Tuberculosis bacterium (4) Cancer

Description : ‘ELISA’ test is employed to diagnose : (1) Polio virus (2) AIDS antibodies (3) Tuberculosis bacterium (4) Cancer

Last Answer : Tuberculosis bacterium

Which among the following does not have a cell wall? (1) Euglena (2) Paramecium (3) Gonyaulax (4) Mycoplasma

Description : Which among the following does not have a cell wall? (1) Euglena (2) Paramecium (3) Gonyaulax (4) Mycoplasma

Last Answer : (4) Mycoplasma Explanation: Mycoplasma is a genus of bacteria that lacks a cell wall around their cell membrane Without a cell wall, they are unaffected by many common antibiotics such as penicillin or other beta-lactam antibiotics that target cell wall synthesis.

Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism.

Description : Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism.

Last Answer : (b) Pili and fimbriae are mainly involved in motility of bacterial cells.

Cell wall is absent in (a) Mycoplasma (b) Nostoc (c) Aspergillus (d) Funaria

Description : Cell wall is absent in (a) Mycoplasma (b) Nostoc (c) Aspergillus (d) Funaria

Last Answer : (a) Mycoplasma

Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen. (iii)Chemosynthetic autotrophic bacteria synthesize cellulose from glucose. (iv) Mycoplasma lack a cell wall and can survive without oxygenThe correct statements are (a) (ii) and (iii) (b) (i),(ii) and (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)..

Description : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).

Last Answer : (d) (i), (ii) and (iv)

Which of the following organisms do not have rigid cell wall A Archaea B Chlamydia C Mycoplasma D Rickettsia

Description : Which of the following organisms do not have rigid cell wall A Archaea B Chlamydia C Mycoplasma D Rickettsia

Last Answer : D Rickettsia

The largest cell is ______ a) PPLO b) Mycoplasma c)ostrich egg d)liver cell

Description : The largest cell is ______ a) PPLO b) Mycoplasma c)ostrich egg d)liver cell

Last Answer : c)ostrich egg

Which of the following is free-living aerobic non- photosynthetic nitrogen-fixing bacterium? (a) Nostoc (b) Azospirillum (c) Rhizobium (d) Azotobacter

Description : Which of the following is free-living aerobic non- photosynthetic nitrogen-fixing bacterium? (a) Nostoc (b) Azospirillum (c) Rhizobium (d) Azotobacter

Last Answer : (d) Azotobacter