A potato cube is placed in a solution. The volume of the potato increases. which statement below is the correct interpretation of this

Q: Basically, catalase tests is performed to confirm if an organism is an: A) Carbon dioxide producer…

A: The catalase test is basically performed to identify organisms that are capable of producing the…

Q: If the result of an unknown bacteria is “poor growth” and “red growth,” can this result be…

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

Q: Identify the following polysaccharides for each of the following uses: a.) Plants i.) Cell wall ii.)…

A: Polysaccharides are made up of more than 10 monosaccharide units that are joint together by…

Q: Ch. 6: Water intoxication may be due to: a) administration of too much hypotonic solution b)…

A: Water is the liquid present in the cells. It has salts and other chemicals dissolved in it.

Q: Most human bacterial pathogens are labeled as __ according to their temperature requirement: a)…

A: Microorganisms known as mesophiles thrive in habitats with moderate temperatures, often between 20°C…

Q: equires oxygen at a lower concentration than typically found in air.   Question 3 options:   a)…

A: Throughout nature, aerobic and anaerobic environments can be found in diverse niches. These…

Q: You perform a Gram staining technique on two bacterial species and observe that one is stained…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: What is the best growth medium that contains glucose that can be used to acclimatize bacteria? and…

A: A growth medium is a liquid, solid, or semi-solid preparation that supports the growth of a…

Q: Choose two from the following culture preservations that are best to use when only an ordinary…

A: Many laboratories and biological companies maintain large culture collection centres. These are…

Q: In a hypotonic solution why would potato stick become crispier?

A: A hypotonic solution has fewer dissolved particles (such as salt and other electrolytes) than normal…

Q: In microbiology, the term growth in a culture usually refers to an increase in O 1) the number and…

A: Microbes are the microscopic appearance creatures that are not visible to the naked eye. These…

Q: Which bacteria are inhibited from growing on eosin methylene blue (EMB) and agar? a)halophilic…

A: EOSIN METHYLENE BLUE  - eosin methylene blue is a selective strain for gram - negative bacteria . It…

Q: Which of the following can be CANNOT be generated through anaplerosis? a) b) Citrate c) Isocitrate…

A: In the TCA cycle, acetate is converted into citrate by citrate synthase, which uses oxaloacetate as…

Q: Cystic fibrosis usually results in chloride channels that do not work properly. This leads to many…

A: Introduction:-  In normal cells the CFTR gene does the function of moving chloride ion from the…

Q: ing is a recipe for a bacterial growth medium: 35 g Dextrose, 12 g Aga 1.2g Salt, 3 g Yeast cell…

A: Growth medium can be of many types. Growth media is a media which contains nutrients for chemical…

Q: 9) Which of the following is not a chemical buffer system? A) bicarbonate B) phosphate C) protein D)…

A: Introduction: The buffer mechanisms in the human body are incredibly effective, and they operate at…

Q: A bacterial organism is used to inoculate mannitol broth medium. Following incubation the broth is…

A: A nutrient growth medium is a type of solution or mixture that is designed to provide nutrients to…

Q: Which statement among A -D is false? A) O Active transport processes allow a bacterium to maintain…

A: Membrane permeability is an important aspect for the cells to survive. A semipermeable cytoplasmic…

Q: 4. Which of the following tests for reducing sugar? a) Iodine b) Benedicts c) Biuret d) Emulsion

A: There is a wide form of sugars in nature and has totally different chemical and biological…

Q: Describe the formation of bioprocess product. Please include the following: (a) Product of choice…

A: The above topics are answered below

Q: 3. We made 450 mL of 2.5% Luria Broth (LB) for our bacterial cultures. a) What is the final…

A: Every biological cell requires some kind of energy (nutrients) for its growth and development. For…

Q: The generation time of a bacterium was measured at two different temperatures. Which results would…

A: The small microscopic, unicellular organisms that are generally not visible to the naked eye are…

Q: A buffer system ....

A: Homeostasis is the state of steady inside, physical, and manufactured conditions kept up by living…

Q: Which of the following is a hypertonic solution? a) 0.45 % sodium chloride b) Oceans c) Red blood…

A: Osmosis is the process by which water molecules move across a semi-permeable membrane from an area…

Q: Why would hypertonic solution make a potato stick become limper?

A: Introduction: Osmosis is diffusion of water or solvent through a semi-permeable membrane from the…

Q: -For each item listed below, select a sterilant that you feel is the most suitable and effective for…

A: A growth medium is intended to promote the growth of a variety of microorganisms or cells by the…

Q: Which of the following methods should NOT be used to thaw frozen meats? a) refrigerator thawing b)…

A: Thawing is the process of taking a frozen product from frozen to a temperature (usually above 0°C)…

Q: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…

A: Depending on their composition, media can be classified as defined and undefined media. Defined…

Q: Identify the single most correct choice: () a) lodine can inactivate microbial cellular proteins.…

A: There are two terms that are used in microbiology to determine the effect of antimicrobials. They…

Q: The following questions refer to membrane protein isolation A) What is the difficulty when working…

A: Proteins are considered biological, organic polymers made of amino acids. Amino acids are connected…

Q: If there is too much water outside a cell

A: Movement of water across semi-permeable membrane is known as osmosis. It is a passive transport and…

Q: A high concentration of hydrogen ions results in a) an electrochemical gradient. b) thick mucus. c)…

A: Introduction Cell membrane act as barrier between the cell and outer environment by separating it…

Q: Perhaps the safest way to thaw frozen meat is to Select one: O a.place it in the refrigerator, where…

A: The phenomenon of freezing point depression explains why applying a solute to a solvent causes the…

Q: Why are petri dishes ALWAYS stored and incubated upside down?   Question 17 options:   a)  helps…

A: ANSWER) Petri dish is a transparent dish which is shallow and is used with the purpose of holding…

Q: The difference in the colony appearance of bacteria cells growing on mannitol salt agar is detected…

A: Mannitol salt agar is a selective culture media that is used for the isolation of the pathogenic…

Q: i) Based on the above given scenario, describe the importance of lubricating in forming process. E…

A: Clay is formed from the weathering of rocks in the presence of air,water or steam. It is a very…

Q: Your microorganism produce black color in peptone iron agar grown at 37 degrees Celcius…

A: Enzymes are the biological catalysts that have the ability to increase the rate of metabolic…

Q: Which of these factors does not affect enzyme activity?a) Temperatureb) Inhibitorsc) Coenzymesd)…

A: Enzymes are proteins that aid in the speeding up of the bodies' metabolism, or chemical reactions.…

Q: What will happen to the color of the Coomassie reagent as more protein is added?

A: The Pierce Coomassie also known as  Bradford is a Protein Assay Kit. Is changes the colour of…

Q: Is the Mueller-Hinton Agar (MHA) a complex or defined medium? Explain based on its composition. Is…

A: Mueller and Hinton in 1941 developed Mueller Hinton Agar(MHA). MHA is used for routine…

Q: (b) In a batch bioreactor, the growth of a microbial population is often limited by the availability…

A: As the question contain two different questions, here we have only solved the second one. Bacteria…

Q: List five (5) factors that influences toward the formation of particle growth.

A: There are three processes or stages which are involved in the particle growth formation:- 1.…

Q: What cell types would be able to grow on the ECM in the following situations? F- , Hfr , Mix   a)…

A: Introduction  The ECM (extracellular matrix) is a complex mixture of proteins, glycoproteins, and…

Q: What is a chemostat? a) a chemical used as a substrate for growth of microbial cells b) a batch…

A: A chemostat is a laboratory device or bioreactor used in microbiology and biotechnology to maintain…

Q: A specimen of silty soil has a bulk density of (18 kN/m3) and a moisture content of (13%) determine:…

A: The loose covering of earth that covers the planet's surface is referred to as "soil," which is a…

Q: What cell phases do the alkylating agents work on? a)S phase b) G0 c) G1 d) G2 e) M phase

A: Anticancer drugs may be divided (on the basis of stage of cell cycle at which these act) into two…

Q: Which form of the Coomassie dye do you expect to be more prevalent in a low pH solution? Group of…

A: Coomassie dye binds to proteins through ionic interactions between sulfonic acid groups and…