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

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

1 Answer

Answer :

D Rickettsia
by

Related questions

The unifying feature of the archaea that distinguishes them from the bacteria is A- habitats which are extreme environments with regard to acidity B- absence of a nuclear membrane temperature C- presence of a cell wall containing a characteristic outer membrane D- cytoplasmic ribosomes that are 70S

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All membranes of free-living organisms have phospholipid bilayers, but exception is A- bacteria B- fungi C- archaea D- protozoa

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Newborns exposed to Chlamydia trachomatis from an infected mother may experiencea. Toxic Shock Syndrome or Staphylococcal Skin Disease. b. Dental Caries When the Teeth Grow In. c. Destruction of the Reproductive Organs. d. Disease of the Eyes or Lungs.

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What bacterial species is most often associated with cystitis? a. Treponemo pallidum b. Escherichia coIi c. Chlamydia trachomatis d. Pseudomonas aeruginosa

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Besides chlamydia urethritis, what other STD is associated with another Serotype of Chlamydia trachomatis? a. Lymphogranuloma venereum (LGV) b. Genital warts c. Granuloma inguinale d. Chancroid

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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.

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A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, rather than L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine

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Last Answer : C.proteins are synthesized from

All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D- humans

Description : All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D- humans

Last Answer : archaea

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Last Answer : .proteins are synthesized from D-, rather than L-, isomers of amino acids

The domain Archaea includes all the following groups except the a. Mycoplasmas. b. Extreme halophiles. c. Crenarchaeota. d. Euryarchaeota.

Description : The domain Archaea includes all the following groups except the a. Mycoplasmas. b. Extreme halophiles. c. Crenarchaeota. d. Euryarchaeota.

Last Answer : a. Mycoplasmas.

In the three domain system, fungi would belong to the _____. a. Eukarya b. Bacteria c. plants d. Archaea

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Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista

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Last Answer : d. Protista

Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea

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Last Answer : d. Archaea

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Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae

Last Answer : d. Algae

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

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

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Last Answer : Methanobacteria

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Description : Which one of the following is NOT a genus within the gram-positive bacteria? a. Staphylococcus b. Methanogens c. Mycoplasma d. Bacillus and Clostridium

Last Answer : b. Methanogens

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

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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.

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Last Answer : (a) 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? (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

Organisms in the Archaea kingdom -Biology

Description : Organisms in the Archaea kingdom -Biology

Last Answer : answer:

(3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia into nitrite is performed by two groups of organisms, ammonia-oxidizing bacteria AOB) and ammonia-oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.

Description : (3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia ... -oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.

Last Answer : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorous (4) None of these

In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea completely differ from both prokaryotes and eukaryotes. (b) Archaea completely differ from prokaryotes. (c) Archaea resemble eukarya in all respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.

Description : In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea ... respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.

Last Answer : (d) Archaea have some novel features that are absent in other prokaryotes and eukaryote

Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups (a) eubacteria and archaea (b) cyanobacteria and diatoms (c) protists and mosses (d) liverworts and yeasts.

Description : Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups (a) eubacteria and archaea (b) cyanobacteria and diatoms (c) protists and mosses (d) liverworts and yeasts.

Last Answer : (a) eubacteria and archaea

In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five kingdom system of classification is used? (a) Plantae (b) Fungi (c) Protista (d) Monera

Description : In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five kingdom system of classification is used? (a) Plantae (b) Fungi (c) Protista (d) Monera

Last Answer : If the five-kingdom system of classification is used, the Archaea would be classified under the kingdom (d) Monera. This kingdom includes prokaryotic organisms such as bacteria and archaea. Archaea ... systems, such as the three-domain system that separates life into Bacteria, Archaea, and Eukarya.

Which of the following organisms possesses characteristics of a plant and an animal? (a) Euglena (b) Paramecium (c) Bacteria (d) Mycoplasma

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Last Answer : (a) Euglena

Select the disease caused by Mycoplasma like Organisms (MLO) a. Brinjal little leaf b. Rice yellow dwarf c. Sesamum phyllody d. All of these

Description : Select the disease caused by Mycoplasma like Organisms (MLO) a. Brinjal little leaf b. Rice yellow dwarf c. Sesamum phyllody d. All of these

Last Answer : d. All of these