Q: Name a solution whose concentration is greater than that of cell sap.
A: Osmosis is a process in which water molecules from the low concentration of solute to the areas…
Q: explain the liquid growth analysis process in your own words
A: Growth media in a liquid form is called as Nutrient broth. It's composition mainly consists of…
Q: How does the membrane of an oil body differ from that of the plasmamembrane:
A: Oil bodies are found predominantly in the seeds of plants as well as in some fruits, such as olives…
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: During cell couting, when the data are plotted in an ordinary graph or on a cross-section paper, why…
A: For experiments involving growth of cells whether bacterial or eukaryotic the results of a growth…
Q: Decomposition is faster if deteritus is rich in nitrogen and water soluble substance like sugars.…
A: Decomposition is the conversion of complex organic matter into inorganic substances by decomposers…
Q: How do I find the amount of substrate consumed using the given concentration of substrate, measured…
A: A standard curve, or calibration curve or calibration line, is a type of graph used in quantitative…
Q: Why does a surgeon use sterile distilled water rather than sterile isotonicsaline to irrigate a…
A: Sterile distilled water comes under the category of hypotonic solutions. When our cells are kept in…
Q: Differentiate between a microbistatic and microbicidal agent.
A: Microbicidal and microbiostatic generally fall within the antibacterial scope. The toxic gas…
Q: What is the difference between defined media and complex media?
A: media is a solution in which is rich in nutrients. it is very suitable for the growth of microbes…
Q: What happens to bacterial cells as they are cooled from rom teperature to 18 degrees Celisus?
A: Bacteria are the type of microorganism that belongs to prokaryotes. Bacteria grow and divide to give…
Q: What is aquaporins ? Why it is used ?
A: Answer- There are many intergral proteins that are embedded in the plasma membrane.
Q: What is demanufacturing, and why is it used for some types of waste?
A: Demanufacturing was suggested as a way to reduce the environmental footprint while maintaining the…
Q: how many bacteria/ml of the diluted broth would be present on average
A: 37 bacteria/ml of the diluted broth would be present on average.
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: What is a Conditioned cell-free medium(CCFM)?
A: Culture medium is a liquid or gel designed to support the growth of microorganisms. There are…
Q: Name the process by which raisins get inflated when put in water.
A: Raisin is dried grape which is a component of dry fruits. As it is dried the watery component get…
Q: A microorganism found living under conditions of high ________ is a barophile. carbon dioxide…
A: A microorganisms naturally grow in conditions that are far from optimal, which causes them to become…
Q: Where is there more solute in this image (inside the bag or outside the bag in the beaker)? 0.8M 0…
A: the molarity is defined as the number of moles of a solute dissolved in 1000 ml of the solution .…
Q: What would happen if an inhibitor of atp regeneration by the cell were added to the beaker once the…
A: ATP synthase (F0F1) is a membrane-associated multisubunit protein complex that catalyses the…
Q: How to know from the table when the potato is hypo, hyper and isotonic?
A: This is a case of osmosis. In osmosis the water molecules move from higher concentration to lower…
Q: In some cases, why does a chemical is more effective as a microbicide when it is diluted rather…
A: An antimicrobial is an agent that kills microorganisms or stops their growth. Antimicrobial…
Q: If I placed pieces of beetroot in a test tube and the test tube was placed in hot water, making the…
A: Beetroot contains a reddish purple color pigment which belongs to the chemical family called as…
Q: How would the pH of the culture medium be influenced by sugar fermentation? By urea hydrolysis?
A: Microorganisms grow well at their optimal pH. The concentration of hydrogen ion affects the growth…
Q: What is the relationship of a solvent concentration to the penetration coefficient of cell membrane?
A: A solvent is anything that dissolves solute molecules in it. Water is also known as the universal…
Q: Why do the leaf disks in the baking soda solution (treatment) begin to float?
A: The baking soda solution used in floating disk photosynthesis demonstration. Release of Oxygen in…
Q: ..is the optimum condition for bacterial growth in soil? O Alkali O Acidic O Slightly acidic to…
A: Slightly acidic to neutral
Q: Of what practical importance are air borne microorganisms to the laboratory workers? What…
A: Questions related to the microbiology labs. Note: each questions are answered under particular…
Q: What prevents Elodea cells from becoming shriveled up like a blood cell would become if placed in a…
A: Hypersonic solutions are those which have high concentration of salt in it.
Q: How is motility associated with pathogenicity
A: Motility is a characteristic of bacteria which can move freely using their own cell processes…
Q: What are aquaporins?
A: Introduction :- Aquaporins (AQP) are membrane proteins that are fundamental for the movement of…
Q: If you have a 15 mg/100 ml stock solution of GA3 and you need a 1 mg GA3 in 25 ml, how much stock…
A: Given: volume of stock solution is 15 mg/100 ml Needed amount is 1 mg kinetin in 25 ml Volume of…
Q: you add &ml of baderial Suspensfon ath Concentration water 2x1d cellolmi to13 ml what is the new…
A: A serial dilution of a bacterial culture is the stepwise dilution of the culture in which the…
Q: why should the ethanol/lystate boundary not be distrubed
A: Ethanol lysate boundary is very much important in the case of DNA extraction experiments, where…
Q: What is the limit to growth at low pH?
A: As we know growth is being affected by many external and internal conditions. Out of those few are…
Q: How can you account different diffusion rates of three dyes through the agarose media in the Petri…
A: Agar is used as a support medium for bacterial growth and culture in labs.This is extracted from sea…
Q: What medical challenges do biofilms present?
A: Biofilms are microbial colonies that are linked to one another and enclosed in an exo-polysaccharide…
Q: What chemical ingredients make MSA differential? How (in your own words) do those chemical…
A: Introduction A liquid medium known as enrichment media contains specific selective agents,…
Q: Given the ultimate location of aquaporins in the cell, where would they be manufactured?
A: Aquaporins (AQPs) are transmembrane protein which help in the regulation of water flow into and…
Q: what happens to an Elodea cell when placed in a hypertonic solution and then add distilled water?
A: Answer: ELODEA cells: these are the plant cell present in the leaf. It has nucleus and cell wall ,…
Q: A person is trying to extract a pigment found in the thylakoid membrane of a plant cell. Which would…
A: Pigments in photosynthetic cells absorb light. Different pigments respond to visible light at…
Q: What is the purpose of the different types of media (solid, semi-solid, broth)?
A: Culture medium is the medium consist of mixture of nutrients and substances which are required for…
Q: Why are plates incubated in a candle jar or CO2 incubator?
A: Plates contain the minimal media for growth of micro organism. The candle is burnt by utilising…
Q: What are the four basic stages of biofilm formation?
A: The biofilm is a thin mucous layer that is formed by a bacterial colony and a few other…
Q: In what type of cell, gram-positive or gram-negative, would you find lipopolysaccharide in its cell…
A: Bacteria are members of a large group of unicellular microorganisms. Bacteria have cell walls but…
Step by step
Solved in 2 steps
- What is the limit to growth at low pH?Why does bacterial growth stop temporarily when the glucose supply in the medium is used up?How do I find the amount of substrate consumed using the given concentration of substrate, measured absorbance, and standard curve? The video I watched says compare the measured absorbance to the standard curve. How do I do that?