Question 1

In the catabolism of arginine to generate ATP in Mollicutes,the first reaction is catalyzed by _______.

Accepted Answer

The catabolism of arginine to generate ATP in Mollicutes starts with the catalysis of arginine deaminase, which breaks down arginine into ornithine and ammonia.

Question 2

Which of these is NOT a location where you might find members of the phyla Chlorobi,Chloroflexi,or Cyanobacteria?

Accepted Answer

Deep ocean thermal vents are typically inhabited by members of the phyla Proteobacteria or Aquificae, but not Chlorobi, Chloroflexi, or Cyanobacteria.

Question 3

Ureaplasma urealyticum generates an electrochemical gradient,despite the absence of an electron transport chain,by synthesizing urea from ammonia/ammonium to generate chemiosmotic potentials.

Accepted Answer

Ureaplasma urealyticum does not synthesize urea from ammonia/ammonium; instead, it breaks down urea into ammonia and carbon dioxide using the enzyme urease, which helps in generating an electrochemical gradient across its membrane. This process is part of its energy metabolism, not a synthesis of urea.

Question 4

Some Mycoplasma species can be transmitted via sexual contact and lead to genitourinary tract infections in humans.

Accepted Answer

Mycoplasma species such as Mycoplasma genitalium can be transmitted via sexual contact and cause genitourinary tract infections in humans.

Question 5

Ureaplasma conserves energy and compensates for an absent electron transport chain by creating chemiosmotic energy gradients and ATP from the breakdown of _______ into ammonia/ammonium.

Accepted Answer

The answer of Ureaplasma conserves energy and compensates for an...

Question 6

While Deinococci can be isolated from sources such as meat and feces,their true natural habitat is as of yet unknown.

Accepted Answer

While Deinococci have been isolated from various sources, their natural habitat is still a subject of research and not completely understood.

Question 7

Acidimethylosilex fumarolicum can grow using ______ as a carbon source and energy source.

Accepted Answer

The answer of Acidimethylosilex fumarolicum can grow using ______ as...

Question 8

Which of these organisms most contributes to the global methane oxidation and greenhouse gas conversion?

Accepted Answer

Acidimethylosilex fumarolicum is a type of bacteria that is known to be a significant contributor to global methane oxidation and the conversion of greenhouse gases. It is able to convert methane gas into carbon dioxide, which helps to reduce the overall impact of methane on the environment. Chlamydia trachomatis and Treponema pallidum are both types of bacteria that cause diseases in humans, and Bacteroides fragilis is found in the human gut and does not play a significant role in methane oxidation or greenhouse gas conversion.

Question 9

Some Mycoplasmas,such as M.mobile,can move at a steady pace across a solid surface by using _______ _______.

Accepted Answer

The answer of Some Mycoplasmas,such as M.mobile,can move at a...

Question 10

Which of the following is NOT a reaction pathway involved in the catabolism of arginine to generate ATP?

Accepted Answer

Pathway A involves the conversion of arginine to citrulline and production of ATP, but not through the pathway involving carbamyl-P and ornithine. Therefore, pathway A is not involved in the catabolism of arginine to generate ATP. Pathways B, C, and D are all involved in the catabolism of arginine to generate ATP.

Question 11

Which of the following is properly paired for the anammox reaction?

Accepted Answer

The anammox reaction involves the conversion of ammonium (NH4+) and nitrite (NO2-) into nitrogen gas (N2), making ammonium the electron donor and nitrite the electron acceptor.

Question 12

Members of Mollicutes are commonly called _______; these bacteria are characterized by the absence of cell walls,their small genomes,and simplified metabolic pathways.

Accepted Answer

The answer of Members of Mollicutes are commonly called _______;...

Question 13

It is estimated that as much as _______ of the cycling nitrogen in the oceans is contributed by anammox bacteria.

Accepted Answer

The answer of It is estimated that as much as...

Question 14

While rather metabolically limited,Chlamydia reticulate bodies can still synthesize DNA,RNA,glycogen,lipids,and proteins if supplied with precursors from the host.

Accepted Answer

Chlamydia reticulate bodies are dependent on the host for energy and nutrients. However, they can still synthesize essential biomolecules such as DNA, RNA, glycogen, lipids, and proteins if supplied with precursors from the host. Therefore, the statement is true.

Question 15

Mollicutes,in the phylum Tenericutes,includes all bacteria that lack walls and do not synthesize peptidoglycan precursors.

Accepted Answer

Mollicutes are commonly known as mycoplasma and are unique because they lack a cell wall and do not synthesize peptidoglycan, which is a characteristic feature of most bacteria. This makes them structurally different from other bacteria and can influence their susceptibility to certain antibiotics.

Question 16

Mollicutes,such as Mycoplasma species,are able to colonize mucous membranes and can lead to pneumonia and respiratory tract disease.

Accepted Answer

Mollicutes, including Mycoplasma species, are known to colonize mucous membranes and can cause respiratory tract infections, including pneumonia.

Question 17

A newly reported member of the phylum Verrucomicrobia,Acidimethylosilex fumarolicum has been found to be thermophilic,acidophilic,and photosynthetic.

Accepted Answer

Acidimethylosilex fumarolicum is indeed a member of the phylum Verrucomicrobia and has been reported to be thermophilic and acidophilic, but it has not been described as photosynthetic. Members of Verrucomicrobia are generally not known for photosynthesis.

Question 18

While methane is produced abiotically in certain geochemically active areas,these sites are also hotspots for aerobic methane oxidation because they are rich in H₂S,which microbes convert to sulfuric acid.

Accepted Answer

Geochemically active areas with abiotic methane production often have high levels of H₂S, which can be converted by microbes into sulfuric acid through aerobic methane oxidation.

Question 19

Specialized cell surface proteins on the neck of Mycoplasma mobile allow for ______.

Accepted Answer

The specialized cell surface proteins on the neck of Mycoplasma mobile allow for gliding motility.

Quiz 21: The Deinococci, Mollicutes, and Nonproteobacterial Gram-Negative Bacteria

In the catabolism of arginine to generate ATP in Mollicutes,the first reaction is catalyzed by _______.

Which of these is NOT a location where you might find members of the phyla Chlorobi,Chloroflexi,or Cyanobacteria?

Ureaplasma urealyticum generates an electrochemical gradient,despite the absence of an electron transport chain,by synthesizing urea from ammonia/ammonium to generate chemiosmotic potentials.

Some Mycoplasma species can be transmitted via sexual contact and lead to genitourinary tract infections in humans.

Ureaplasma conserves energy and compensates for an absent electron transport chain by creating chemiosmotic energy gradients and ATP from the breakdown of _______ into ammonia/ammonium.

While Deinococci can be isolated from sources such as meat and feces,their true natural habitat is as of yet unknown.

Acidimethylosilex fumarolicum can grow using ______ as a carbon source and energy source.

Which of these organisms most contributes to the global methane oxidation and greenhouse gas conversion?

Some Mycoplasmas,such as M.mobile,can move at a steady pace across a solid surface by using _ _.

Which of the following is NOT a reaction pathway involved in the catabolism of arginine to generate ATP?

Which of the following is properly paired for the anammox reaction?

Members of Mollicutes are commonly called _______; these bacteria are characterized by the absence of cell walls,their small genomes,and simplified metabolic pathways.

It is estimated that as much as _______ of the cycling nitrogen in the oceans is contributed by anammox bacteria.

While rather metabolically limited,Chlamydia reticulate bodies can still synthesize DNA,RNA,glycogen,lipids,and proteins if supplied with precursors from the host.

Mollicutes,in the phylum Tenericutes,includes all bacteria that lack walls and do not synthesize peptidoglycan precursors.

Mollicutes,such as Mycoplasma species,are able to colonize mucous membranes and can lead to pneumonia and respiratory tract disease.

A newly reported member of the phylum Verrucomicrobia,Acidimethylosilex fumarolicum has been found to be thermophilic,acidophilic,and photosynthetic.

While methane is produced abiotically in certain geochemically active areas,these sites are also hotspots for aerobic methane oxidation because they are rich in H₂S,which microbes convert to sulfuric acid.

Specialized cell surface proteins on the neck of Mycoplasma mobile allow for ______.

Quiz 21: The Deinococci, Mollicutes, and Nonproteobacterial Gram-Negative Bacteria

In the catabolism of arginine to generate ATP in Mollicutes,the first reaction is catalyzed by _______.

Which of these is NOT a location where you might find members of the phyla Chlorobi,Chloroflexi,or Cyanobacteria?

Ureaplasma urealyticum generates an electrochemical gradient,despite the absence of an electron transport chain,by synthesizing urea from ammonia/ammonium to generate chemiosmotic potentials.

Some Mycoplasma species can be transmitted via sexual contact and lead to genitourinary tract infections in humans.

Ureaplasma conserves energy and compensates for an absent electron transport chain by creating chemiosmotic energy gradients and ATP from the breakdown of _______ into ammonia/ammonium.

While Deinococci can be isolated from sources such as meat and feces,their true natural habitat is as of yet unknown.

Acidimethylosilex fumarolicum can grow using ______ as a carbon source and energy source.

Which of these organisms most contributes to the global methane oxidation and greenhouse gas conversion?

Some Mycoplasmas,such as M.mobile,can move at a steady pace across a solid surface by using _______ _______.

Which of the following is NOT a reaction pathway involved in the catabolism of arginine to generate ATP?

Which of the following is properly paired for the anammox reaction?

Members of Mollicutes are commonly called _______; these bacteria are characterized by the absence of cell walls,their small genomes,and simplified metabolic pathways.

It is estimated that as much as _______ of the cycling nitrogen in the oceans is contributed by anammox bacteria.

While rather metabolically limited,Chlamydia reticulate bodies can still synthesize DNA,RNA,glycogen,lipids,and proteins if supplied with precursors from the host.

Mollicutes,in the phylum Tenericutes,includes all bacteria that lack walls and do not synthesize peptidoglycan precursors.

Mollicutes,such as Mycoplasma species,are able to colonize mucous membranes and can lead to pneumonia and respiratory tract disease.

A newly reported member of the phylum Verrucomicrobia,Acidimethylosilex fumarolicum has been found to be thermophilic,acidophilic,and photosynthetic.

While methane is produced abiotically in certain geochemically active areas,these sites are also hotspots for aerobic methane oxidation because they are rich in H2S,which microbes convert to sulfuric acid.

Specialized cell surface proteins on the neck of Mycoplasma mobile allow for ______.

Some Mycoplasmas,such as M.mobile,can move at a steady pace across a solid surface by using _ _.

While methane is produced abiotically in certain geochemically active areas,these sites are also hotspots for aerobic methane oxidation because they are rich in H₂S,which microbes convert to sulfuric acid.