Q: On what basis slime moulds characterized?
A: Slime molds are considered as fungus because they produce fruiting bodies similar to fungus and aids…
Q: Where are extreme halophiles found, and what is unusual about their cell walls and growth…
A: Extreme halophilic archaea or haloarchaea are the group of microorganisms that thrive in the…
Q: What is the effect of light on microbial growth?
A: Introduction:- The quantity of bacteria in a population, rather than the size of individual cells,…
Q: How does plastic effect the growth of bacteria
A: Plastics are the polymers of organic compounds formed from the chains of carbon, sulfur, nitrogen.…
Q: . If you wanted to determine the number of endospores in a sample of soil, what could you do before…
A: Endospores are defined as the differentiated cell formed or produced within cells of a particular…
Q: How do cyanobacteria prevent erosion in cold desert regions?
A: These bacteria do not have a significant variety of shape, and though they are tiny, they are great…
Q: How does tempature, PH, and aw affect mold growth ?
A: Mold is a fungal organism that exhibits filamentous growth in the form of hyphae. These are…
Q: How do bacteria grow in a petri dish?
A: Microbial culture is a method of growing microbial organisms by letting them reproduce in a…
Q: How do bacteria differ in terms of optimal temperature for growth?
A: The optimum temperature of the bacteria is defined as the suitable temperature where the maximum…
Q: What substances control pigment production in a bacteria cell in microbiology?
A: An organism is a living thing that refers to prokaryotes and eukaryotes. A microscopic organism made…
Q: How does bacteria grow on agar plates?
A: Bacteria are the most primitive organisms on Earth. They can survive in most extreme environments as…
Q: Why are there just colonies and not a lawn of growth on plates (+) LB/AMP/ARA and (+)LB/AMP?
A: The LB+/AMP and LB + AMP/ARA represents the experimental plates having the antibiotic ampicillin in…
Q: What is ellipticity in Circular Dichroism?
A: In spectroscopy, Circular dichroism(CD) is defined as the differential absorbance of the left…
Q: 1.Procedure for celloidin embedding ? 2.Procedure for vacuum embedding? 3.Procedure for epoxy…
A: 1.Procedure for celloidin embedding Celloidin is utilized in arrangement, generally in a 1:1…
Q: A process that employs microbes to extract fibers from materials is called O plaiting O ginning…
A: Fibres are the dead , robust , rigid elongated strand and is a kind of sclerenchymatous tissue . It…
Q: Why are microorganisms called extremophiles?
A: Microorganisms are simplest form of organisms that cannot be seen by the unaided eye and are present…
Q: Does temperature affect the rate at which mould grows?
A: The moulds are the type of fungi. They are multicellular microorganisms because they have many…
Q: During the preparation of a routine H&E slide, how is the tissue preserved? A Fixation В Embedding…
A: H& E slide : Hematoxylin and eosin slide . Steps to prepare the slide for microscopic…
Q: Differentiate between trace metals and growth factors. How arethese used by the cell?
A: Cell culture is a very important technique in the prospect of life science. It is basically the…
Q: Why are many vitamin supplements sold as antioxidants? How does this relate to material in this…
A: Antioxidants are substances that can prevent or slow damage to cells caused by free radicals,…
Q: How is microbial growth directly dependent on temperature?
A: Microbes are minute, unicellular/multicellular, prokaryotic living organisms that cannot be seen…
Q: How would a change in the temperature at which something was incubated affect the amount of mold…
A: The differential growth patterns of organisms are due to the temperature sensitivity of the enzymes.…
Q: Why does a one-step growth curve differ in shapefrom that of a bacterial growth curve?
A: Growth curves are generally the description of the density of cell populations in liquid culture…
Q: Where do spoilage microorganisms come from? What are some of the most common spoilage…
A: Food spoilage is a metabolic process which causes food to be undesirable or unacceptable for…
Q: if straph are only suppose to grow on the plate what could possibly be wrong with the media ?
A: Staphylococcus aureus is a Gram-positive bacterium which is cocci shaped. It is a facultative…
Q: Whats the difference between brewers yeast and bakers yeast?
A: Yeast is part of the fungus family and can be found anywhere there is an environment it can live in.…
Q: In the isolation of metabolites and tests for phytochemicals, why should people dry the leaves in…
A: Phytochemicals are compounds that are produced mostly by plants and have biological activity. Plants…
Q: What is mineralization, and which organisms are responsible for it?
A: All the geological cycles such as water cycle, gaseous cycles, or mineral cycles are part of the…
Q: What do you mean by slime moulds?
A: Living organisms are classified into kingdoms based on the common anatomical and physiological…
Q: Which stains are differential in microbiology?
A: In dis a staining process in which we use more than one chemical stain to differentiate between…
Q: What are the factors that have affected the growth of mold in your bread experiment?
A: Introduction Bread is a perfect environment for microscopic fungi known as mold to grow, The purpose…
Q: Did chemiosmosis precedefermentation as the source ofbiological energy, or did some form…
A: Chemiosmosis is the movement of ions across a selectively permeable membrane down their…
Q: PH paper used to identify if a substance is acidic or basic was previously derived from organisms…
A: The substances that are found naturally and can be used to infer the chemical nature of a solution…
Q: What are various characteristics of slime moulds?
A: Fungus-like protists are dependent on dead and decaying organisms for their food. They are mobile…
Q: why does carotene pigments are most stable at acidic pH, and they began to degrad at a…
A: Carotene pigments are photosynthetic pigments in plants and it is composed of unsaturated…
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 is brick weather resistant?
A: Brick is an excellent temperature regulator due to its thermal mass. The solid wall of the brick…
Q: What is the difference between microsporogenesis and megasporogenesis?
A: Pre-fertilisation are the events which occur before the fertilisation in plants. These events are…
Q: Differentiate between humification and mineralization.
A: Decomposition is a biological process which involves the breakdown of complex organic matter into…
Q: What are the health effects of moulds and air spores?
A: Fungi are eukaryotic organisms, which are heterotrophs and have important roles in nutrient cycling…
Q: What is unique about Thermomicrobium?
A: Micro-organism are tiny organisms that cannot be seen by the naked eye, but are visible under…
Q: How would light shone on one side of the Winogradsky column influence the growth of microorganisms?
A: Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and…
Q: Why does exposure to UV radiation cause death in vegetative cells but not endospores?
A: An endospore is a rough, non-reproductive, and dormant structure. It is produced by the bacteria in…
Q: What is difference between Grana and Thylakoid?
A: Plants consist of several structures like chloroplast that is an organelle that performs…
Q: Should one be concerned to find bacteria on the skin? How about molds? Explain.
A: Human beings have an enormous number of microorganisms that are present in the external as well as…
Q: Why is it easier for microorganisms to grown on plastic surface rather than wood?
A: Answer- Wood does have natural antibacterial properties. The organism of bacterium like- Ideonell…
Q: Why do we use turbidity as a method to measure bacterial growth? How does it work? How do you…
A: Turbidity measurement is one of the methods to measure the microbial cultures, helps determine the…
Q: Why Ethylene is sprayed on a mango tree?
A: Ethylene offers natural gas originally but ripens mangoes, kept in an affirmative atmosphere.
Q: What are trace elements in the cell?
A: Cell is the basic structural and functional unit of life.
Q: What is the preparation condition for culturing a mould sample?
A: Introduction: Mould is a fungal specimen which is grown in filamentous structure called hyphae. They…
How do you distinguish between humification and mineralisation?
The decomposers and transformers are the living components of the ecosystem. Fungi and bacteria are the examples of decomposer and transformer as they involved in the degradation of complex organic substances.
Step by step
Solved in 2 steps with 1 images
- How is brick weather resistant?3. Bome pieces of bread were placed in different.condiions as shown in the table below. Bread Presence of Temperaturs (C) Amount of water light (ml) Yes 20 No No Yes Yes D. No 30 Yes Yes 30 Yes (a) Which piece(s) of bread islare likely to have mould growing on it after one week? Explain your answer. (b) If Tom wanted to find out if the presence of light affected the growth of bread mould, which pieces of bread should he compare? Explain your answer.What type of agar is MacConkey agar?
- What is agar?What makes agar good support for microbial growth?All of the following are true about soil microorganismsEXCEPT:(a) They never affect or change the physical characteristicsof their soil microenvironment.(b) They are considered to be a part of the soil.(c) All major microbial taxonomic groups can be found insoil (bacteria, fungi, algae, protists, viruses).(d) Species of the genus Clostridium contain important hu-man pathogens found in soil.(e) They are important as decomposers in the carbon andnitrogen cycles.
