Question 68 Comparing bacterial exotoxins to endotoxins, matching. Match each characteristic described below to either endotoxin or exotoxin. heat sensitive, can be denatured [ Choose ] [ Choose ] heat resistant, still active even after neither endotoxins nor exotoxins autoclaving exotoxins toxic in small amounts, e,g, nanogram both endotoxins and exotoxins amounts endotoxins

Q: Which of the following is NOT a primary method used to regulate the activity of cyclin-dependent…

A: Cyclin-dependent kinases (CDKs) are the protein kinases which plays a  role in regulating the cell…

Q: Question 6 Is LC8 an enzyme? Why or why not?

A: LC8 performs several functions in the cell as a motor protein dynein component as well as in the…

Q: Question 41 The model describes the cell membrane as an assortment of integral proteins suspended…

A: Introduction:- The cell membrane, also known as the plasma membrane, is a thin membrane that…

Q: QUESTION 15 Which of the following is more likely to cause urinary tract infections? O a. fimbriated…

A: Urinary tract infection is an infection which occurs in any part of the urinary system. It is more…

Q: QUESTION 3 When a bacterial cell with a cell wall is placed in salt water with a higher-solute…

A:

Q: Question 20 Which of the following is an example of chemical defense? O Inflammatory cytokines O…

A: Inflammatory cytokines

Q: QUESTION 18 The immune system is capable of mounting specific responses to particular microorganisms…

A: Immunity is a strength generated inside the body so that body is capable of cope up and eliminate…

Q: Question 6 A ceramide with a single sugar is called? O phingomyelin Ganglioside Plasmalogen…

A: Biomolecules are the fundamental building components of all living things. They play an essential…

Q: Question 23 Which of the photographs in Exhibit 11.11 is an example of melanoma? O a. A O b.B O C.C…

A: Melanoma  Melanoma is a type of cancer when pigment producing cell of the body start dividing…

Q: Question 11 Which of the following is NOT a function of membranes? O signal transduction O…

A: Introduction:- In animal cells, the plasma membrane is the outer, elastic membrane. They are present…

Q: Question 3 of 20 If left untreated, which of these is the most li disorder?

A: Introduction: We know Binge eating disorder is found to be one of the most common types of eating…

Q: Question 1. Cytoplasmic kinases are typically activated in the cytoplasm:

A: Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane.

Q: Question 24 Which of these is a major part of the immune system? O spleen O kidney O liver O heart

A: Our immune system is important for our survival. while not an system, our bodies would be open to…

Q: QUESTION NO. 1 Statements: (1) Glucose is both a hexose and a aldose. (2) There can never be more…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Question 6: What do you think is the composition of the medium in the master plate (minimal, minimal…

A: Nutrient media A nutrient media is a medium that is used to support microbial growth in…

Q: Question 26 Gargling with warm salt water can temporarily relieve a sour or scratchy throat. This is…

A: Gargling Gargling includes rinsing the throat with warm salt water It  can help soothe a scratchy…

Q: In the first part of the experiment, there were only a few colonies on the streptomycin positive…

A: In 1943, penicillin was introduced as the “magic bullet” for curing many infectious diseases. By…

Q: What is catalase and why do some microorganisms have it? Name two other types of bacteria that are…

A: Introduction: Bacteria is a single celled prokaryotic organism. Their cell structure is simpler than…

Q: Question 13 Which of the following can determine location of glysosidic linkages? O Polarimetric…

A: A glycosidic linkage or bond is a type of covalent bond that joins the carbohydrate or sugar…

Q: QUESTION 9 Macrolides: O Bind to the 50S subunit O Contain a lactone ring O Include azithromycin (Z…

A: Hi! Thank you for the question. As you have posted multiple questions, I will be answering the first…

Q: QUESTION 32 Which of these would be expected to start out with a signal peptide? (Select all that…

A: INTRODUCTION Signal peptides function to prompt a cell to translocate the protein, usually to the…

Q: QUESTION 12 When a drop of dye is placed in water, the dye particles move from the area where the…

A: Diffusion : The movement of particles from a region of higer concentration to a region of lower…

Q: Question 35 Which of the following components is attached to lipids and proteins on the…

A: The plasma membrane, also called the cell membrane, is the membrane found in all cells and consists…

Q: Question 20 Let's say that you are able to colonize the gastrointestinal tract of mice with…

A: Microflora  The bacteria and other microorganisms that live inside the gut or intestine of the body…

Q: The following statement: Overall polarity/asymmetry of structure when subunits are polymerized…

A: Cytoskeleton is the network of polymers  found in many prokaryotic and  all eukaryotic cells. It…

Q: QUESTION 41 Which of the following cells is the most specialized? O Multipotent cell O Totipotent…

A: Cells, in the beginning, have the ability to become all different kinds of cells needed to make an…

Q: Human lysozyme is an enzyme active in lysosomes.  At approximately what pH would you expect this…

A: The enzyme activity is defined as the activity that is carried out by the enzymes in order to allow…

Q: QUESTION 44 In which of the following proteases, a water molecule serves as the nucleophile, rather…

A: Question 44 Cysteine protease, Aspartyl proteases, Metalloproteases these are the three classes of…

Q: Question 1 Example of a Protein Purification Scheme: Purification of the Enzyme Xanthine…

A:

Q: Protein makes up what percentage of the mass of the plasma membrane in a typical cell (e.g. red…

A: Most plasma membranes consist of approximately 50% lipid and 50% protein by weight, with the…

Q: IGH SCHOOL BIOLOGY QUESTION - please provide a junior/senior high school level response. Please do…

A: Cytochrome oxidase is a common respiratory enzyme that conserves energy generated when oxygen is…

Q: Question 16 Match the phrase with the enzyme or cofactor v water soluble and moves between enzymes a…

A: Enzyme acts as catalyst in a chemical reaction and plays an important role in our metabolism.…

Q: QUESTION 74 Look at the picture. What is the purpose of this structure attached to the bacteria that…

A: The given structure are the bacterial pili. They have any important role bacteria because they are…

Q: * Question 26 Which of the following best serves as an autoclave? heat lamp B bna 0AK MAN eovlge…

A: Microbial growth media and other liquids used for working with microbes must be sterilized to…

Q: Question 20 Which of the polysaccharides WILL DECREASE GELLING if acid is added to the sample?…

A: Gels are solid gelly-like structures that are composed of polysaccharides such as starch,…

Q: QUESTION 5 Though the assumption is that a CFU arises from a single bacterial colony, it may not…

A: The bacterial culture need not contain all living microorgansim . There might be few dead…

Q: Question #2: 45-year-old male had been working in his garden when he scratched the knuckle of his…

A: Microorganisms are present almost everywhere on the earth including the human body. Soil contains…

Q: Question 14 Which of the following would NOT kill bacterial endospores and hence would be unable…

A: Sterilization is microbial science is the process of killing or slowing down the growth of all…

Q: Question 28 "If you find purple colonies with metallic green sheen growing on your EMB plate…

A: Eosin Methylene Blue (EMB) agar is a both selective and differential culture medium. It is selective…

Q: Question 40 What is Schizogony? O Schizogony is seen in Ebola patients and triggers localized…

A: The schizony is found in the parasitic pathogen. Parasitic pathogens are those organism who survive…

Q: QUESTION 3 semipermeable brane Salt lecules Weter Mevemant of weter elendes Eql "aentreti" of weter…

A: Osmosis is the phenomenon by which water (solvent) will moves from lower water potential area to the…

Q: QUESTION 4 Shown here is a graph illustrating data from the original Pulse-Chase experiment…

A: The correct answer is- rough ER

Q: Do mitochondria raise or lower the pH of the region of the cell in which they are found? Breifly…

A: In animals, cellular respiration is a series of metabolic reactions and processes that take place in…

Q: Question 30 In the inflammation process chemotaxis is the attraction of neutrophils to an area of…

A: Introduction: The response of the body against the tissue injury is referred to as inflammation.

Q: QUESTION 18 A patient has had a serious accident and lost a lot of blood. In an attempt to replenish…

A:

Q: Question 314 Brain-heart infusion broth (BHIB) would best be described as: a) a selective medium O…

A: A growth medium, also known as a culture media, is a solid, liquid, or semi-solid solution used to…

Q: QUESTION 8 Triose Phosphate Isomerase uses the general enzyme mechanism called submitting your…

A: Enzymes are biocatalysts that help in catalyzing chemical reactions. They speed up the chemical…

Q: otease is an enzyme that cuts proteins. Where is its protein substrate?

A: Proteins are made up of various amino acids linked together by peptide bonds.  Enzymes are the…

Q: QUESTION 75 How does the action of exocytosis by dendritic cells and macrophages differ from that of…

A: The body contains different types of cells. The ones that become a part of the immune system and…

Q: Question 1 We have received a specialized blood sera that contains antibodies. We want to test…

A: Antibodies are proteins in the form of molecules. Proteins are biomolecules made up of several…

Pathogenicity

Infection and Transmission

The infections are generated by the pathogenic organisms present in the environment. They maintain the capacity to invade a host body and establish colonies. A disease caused by such infectious agents is called a communicable disease or transmissible disease. These diseases spread through diverse means including blood, food, water, air, or vectors.