Bacteria that lack fimbriae are less likely to ________.a. adhere to cell surfacesb. swim through bodily fluidsc. synthesize proteinsd. retain the ability to divide

Q: ndospores :  A. are a dormant form of a bacterium AND are formed by members of medically relevant…

A: Endospores are pathogens and remain viable for years. The endospores are resistant to heat and…

Q: Which of the following is present in both gram-positive and gramnegativecell walls?a. an outer…

A: Bacteria are biological cells that represent a large domain of prokaryotes. Bacteria are considered…

Q: A(n) _______ organism is part of the normal microbial flora of the host    A. Acquired  B.…

A: The microorganisms are responsible for development of particular disease. But not all microorganisms…

Q: IgA Proteases are enzymes that... destroy antibodies in mucus secretions cause blood to clot break…

A: Enzymes like IgA proteases are secreted by the pathogenic bacteria like Streptococcus pneumoniae,…

Q: A bacteriophage can infect ________. a. the lungs b. viruses c. prions d. bacteria

A: The cell which does not have membrane-bound organelles and nucleus is termed as prokaryotic cells.…

Q: The structures that enable some Gram-positive bacteria to remaindormant for extremely long periods…

A: Bacteria are the prokaryotic organisms adapted to survive in a wide range of habitats.

Q: How would you argue against this statement: "To help prevent any type of bacterial infection all…

A: I do not agree with this statement.  From an immunology perspective, wiping all the bacteria from…

Q: he bacteria in your digestive system ___. Select one: a. can digest a sugar found in breastmilk b.…

A: Organisms happen within the body, but those in your intestine may have the foremost significant…

Q: _______________________ refers to chains of spherical bacterial cells whileclusters of spherical…

A: Some living organisms cannot be visible by the naked eye and only can be seen under the microscope.…

Q: Which of the following is present in certain Gram positive bacteria and functions in resistance? O…

A: Ans- b) Spores The most resistant part that is present in gram-positive bacteria is spores as it is…

Q: What is/are the usual habitat(s) of endospore-forming bacteria thatare agents of disease?a.…

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

Q: Why may some bacteria use extracellular enzymes to form blood clots? View Available Hint(s) for Part…

A: Option B. Blood clot can hide bacteria from the immune system

Q: Someone comes in to the hospital with an infection. The infection does not respond to antibiotics,…

A: In this question asked about the cause of infection.  Patient does not respond to antibiotic…

Q: In an experiment Staphylococcus, streptococcus and enterococcus are bacteria that are stained dark…

A: Introduction:  The bacteria are classified on the basis of staining as gram-positive and…

Q: Different types of bacteria are found inbiofilm. Bacteria with oxygen respiration are found at the…

A: A biofilm is the syntrophic consortium of microorganisms in which the cells stick to each other and…

Q: Choose which of the following traits are shared by archaea and bacteria? I. identical composition of…

A: Microorganisms or microbes are defined as organisms that cannot be viewed by unaided eyes and are…

Q: Which of the following is not considered a microorganism?a. alga b. bacterium c. protozoan  d. flea

A: A microorganism or Microscopic organisms are single-celled. Here we have to check which of the…

Q: The main difference between a gram-positive and a gram-negative bacteria, is that; a. Gram-positive…

A: The gram staining technique is used to distinguish bacteria into gram positive and gram negative…

Q: Bacteria produce two kinds of toxins: endotoxins and exotoxins.Whereas endotoxins are _____,…

A: Endotoxins and exotoxins

Q: IgA Proteases are enzymes that...

A: Introduction Proteases are the enzymes that break down peptides and proteins.

Q: Viruses ____. A. all have a round shape B. cannot have a long shape C. do not maintain any…

A: Viruses differ in terms of structure, replication method, host and target cells. Viruses are…

Q: Bacteria may be Gram + or Gram - due to their difference in staining. This stain is significant to…

A: Gram staining is one of the most common methods of staining used to classify bacterial species into…

Q: Which of the following types of pathogenic prokaryotes cause cholera? A. archaea that release an…

A: Introduction :- Exotoxins are toxic proteins secreted by certain types of bacteria, including some…

Q: particular bacterium requires techoic  acid in its medium in order to grow. What would the bacterium…

A: B. cell wall

Q: microbial biofilms

A:

Q: From the given option below what is the community of prokaryotes surrounded by slime and adhering to…

A: Prokaryotes are organisms whose cells lack a true nucleus and other membrane bound organelles.  Some…

Q: A bacterial exotoxin is a________ . a. membrane lipid c. secreted protein b. membrane protein d.…

A: Introduction:- Bacteria are classified as Gram-positive or Gram-negative depending on the makeup of…

Q: Which of the following is present in both gram-positive and gramnegativecell walls?a. an outer…

A: There are two types of bacteria Gram-positive and gram-negative.

Q: A microbe causing a bloodstream infection is likely all of the following except

A: Certain bacteria can lead to bloodstream infections causing septicemia. It may use an external route…

Q: Explain how some bacterial cells may be just as dangerouswhen they are dead as when they are alive.

A: Bacteria are very small living beings that can not be seen by naked eyes. A few living groups can…

Q: Viruses_______. a. all have a round shape b. cannot have a long shape c. do not maintain any shape…

A: Viruses are very small and can not be seen with a light microscope, except for the poxvirus, the…

Q: Antibiotics are medicines that are used to fight bacterialinfections. These medicines kill…

A: Yes, Antibiotics are the medicines that are used to fight bacterial infections. Prokaryotic cells…

Q: Features of continuous cell culture include the following, except ________ . a.addition of product…

A: Introduction: A single cell type that may be serially multiplied in culture for a set number of cell…

Q: The collection of bacteria, archaea, and eukaryotic microbes that normally inhabit the human body…

A: Opportunistic pathogens A group of microorganisms that do not usually infect healthy hosts but…

Q: If a "swarmer" Caulobacter bacterium wants to reproduce, it needs to first ... O find a suitable…

A: To understand the reproductive process of the "swarmer" Caulobacter bacterium.

Q: A persister cell is an individual bacterial cell that can survive: A. In an autoclave B. An…

A: Persisters are a unique variant of cells that exhibit a state of dormancy while exposed to…

Q: Which is NOT true of attachment or adherance? may be due to fimbriae Omay be due to capsules…

A: Bacteria are the unicellular, simple microbes found everywhere. They reproduce by the process of…

Q: The largest density (greatest number) of bacterla on the surfaces of the human body Is found on (In)…

A: Millions of bacteria resides on the human body forming an integral part of the human microbiota.…

Q: Some bacteria secrete a nonprotein material to cover their antigen. This allows it to go unnoticed…

A: Introduction Bacteria Are Single-celled Organisms That Do Not Belong To Either The Plant Or Animal…

Q: Some bacteria have a tube which allows materials to move directly into or out of the cytoplasm. This…

A: Bacteria may or may not poses surface appendages. Mainly three types of surface appendages can be…

Q: When Miescher added salt to the blood and pus solution, the cell nuclei ___.   A. rose to the top…

A: Miescher chose white blood cells, because they occurred as individual cells and were easy to obtain.…