Q: Are any cellular structures other than amyloplasts stained intensely by iodine?
A: An amyloplast is a plastid type of organelle which produces and stores starch-like materials in the…
Q: What are Comb Jellies ? Explain the importance of Comb Jellies ?
A: Ctenophora are invertebrate animals that thrive in the marine. Their body consists of cilia that…
Q: hoose the appropriate type of media for the development of Lac- ello
A: The nutrition medium known as minimal media is one that has the fewest nutrients necessary for…
Q: w HaT CompounDs can BE USED AS SOURCE OF THE ELEMENTAL caLcum nEEDED in THE FORMULATION?
A: Calcium is an important mineral for proper functioning of organism. It is required for muscle…
Q: How is it possible to maximize ethanol production using genetically modified yeasts?
A: A novel genetic engineering technique was used to make yeast more resistant to the negative effects…
Q: How does penicillin inhibit bacterial growth?
A: Antibiotics are substances which are able to inhibit or destroy growth of microorganisms. These…
Q: Which phase of cell growth is disrupted by antimetabolites? Explain how folate functions as…
A: Antimetabolites are the cytotoxic type of drug because they kill cells, they done their work by…
Q: What is the similarities of differential centrifugation and gradient centrifugation?
A: Similarities between differential centrifugation and gradient centrifugation is process involved…
Q: explain the possible factors affecting the growth of e.coli that results to no growth after doubling…
A: Bacterial growth are equated to cell number- one bacteria divides into two, then these two produce…
Q: What is the role of Agrobacterium tumefaciens in plant transformation?
A: The bacterium Agrobacterium tumefaciens is responsible for causing the crown gall disease in plants.…
Q: What is the application of differential centrifugation?
A: In the laboratories, different kinds of techniques and devices are used to separate components of a…
Q: How does Agrobacterium benefit from inducing a plant tumor?
A: Agrobacterium tumefaciens is that the causative agent of plant disease (the formation of tumours) in…
Q: Which is Baker's yeast?
A: A fungus is any member of the group of eukaryotic organisms that includes microorganism such as…
Q: Why is antifolate used as an anticancer agent?
A: Introduction Antifolates are a class of chemicals that are often used to treat cancer. They were one…
Q: What is the mechanism of action of cisplantine as an anticancer agent?
A: Cisplantine is a chemotherapeutic drug. It has been used for treatment of numerous human cancers…
Q: Explain the following application of kefir. I) As food preservatives
A: Kefir is the fermented milk drink . It is similar to the thin yogurt drink. It is also prepared by…
Q: If yellow xanthophylls were present in the extract, why did the extract appear green?
A: Introduction: Xanthophylls are a class of oxygen-containing carotenoid pigments that is liable for…
Q: How is the redox reaction different outside versus inside the body?
A: Any chemical change within which the number of a participating chemical species changes is thought…
Q: explain three starting compounds for industrial vanillin production. explain two genetic…
A: Vanillin, an important secondary metabolite makes up the main part of the natural vanilla. It is an…
Q: Which insect spreads kala-azar?
A: Kala azar is also known as dum dum fever. It means black sickness. It is common in east Asian…
Q: What is tabacum used for?
A: Introduction: Tabacum is an extract of Nicotiana tabacum which is a herb plant and is an annually-…
Q: Name the two plant which are produced by micropropagation?
A: Micropropagation is a rapid vegetative proportion technique to increase the number of plants with…
Q: Why yeast grow faster it growth medium is supplemented with erythromycin under aerobic growth…
A: Whenever any growth medium is inoculated with yeast, it is not just yeast that starts growing. It is…
Q: What are the advantages of live preparations?
A: Vaccines impart adaptive immunity against certain pathogens.
Q: Of Alcaligenes faecalis and Citrobacter freundii, which produce caseinase, or do both?
A: Alcaligenes faecalis and Citrobacter freundii are gram-negative bacteria. Caseinase is a proteolytic…
Q: Why antifolate use for anticancer?
A: Antifolates are compounds that are commonly used to treat different forms of cancer. They are the…
Q: Which is an electrogenic pump? Select one: O A. sucrose cotransporter O B. Both Na+/K+ pump and H+ O…
A: Electrogenic pumps These are the primary active transporters that help in hydrolyzed ATP and utilize…
Q: State two growth conditions necessary for the culture of the green and purple sulfur bacteria when…
A: Answer: Purple sulphur bacteria = These are the phototrophic bacteria which are responsible for…
Q: What is the nucleophile that chymotrypsin employs to attack the substrate carbonyl carbon atom?
A: Introduction: Chymotrypsin is a proteolytic enzyme (serine protease) acting in the digestive systems…
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: what is Rose Bengel Agar?
A: Rose Bengal Agar - Rose Bengal Agar is selective medium it is used to detect and enumerates yeast…
Q: Which is an electrogenic pump? Select one: O A. sucrose cotransporter O B. Both Na+/K+ pump and H+…
A: Answer is option b.) Both Na+/K+ and H+ pump.
Q: What is micropropogation? Mention its advantages.
A: With the advancement in science, scientists are creating new methods to create plants artificially…
Q: How can bacterial growth be retarded?
A: The bacteria are microscopic organism which are seen only under microscopes. They are present…
Q: Can too much sugar kill yeast?
A: Yeast requires food, warmth and moisture to grow. The food for yeast is sugar or starch (which is a…
Q: Diffeence between apiculture and artificial insemination?
A: BASIC INFORMATION ANIMAL BREEDING It is the process of deliberately mating the selected animals .…
Q: Describe how the minimum inhibitory concentration of anantibacterial agent is determined.
A: Minimum inhibitory concentration (MIC) is defined as the minimum or lowest concentration of any…
Q: What factors affect the enzymatic browning? What conditions prevented browning most?
A: It seems like the first question need some more information to be solved as you have not mentioned,…
Q: Why might the addition of inorganic nutrients stimulate oildegradation whereas the addition of…
A: Biomolecules are the biological molecules that are present inside the living organisms. These…
Q: Is yeast good for weight loss?
A: The bread mold or the Saccharomyces cerevisiae is extensively studied in the field of genetics. The…
Q: Changes observed during the three days period after the initial growth of molds in bread appeared?
A: Mold growths, or colonies, can start to grow on a damp surface within 24 to 48 hours. They reproduce…
Q: How will you determine whether the antibiotics kill the organism or only inhibit its growth
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: What is Bt cotton??
A: A GMO or genetically engineered organism is the outcome of recombinant DNA technology or RDT that…
Q: Create a scatterplot showing the change in mass as a function of sucrose concentration.
A: As the sucrose molarity in each bag increases, a greater change in mass occurs. More water diffuses…
Name the natural growth inhibitor?
Step by step
Solved in 2 steps
- The activity of the enzyme beta-galactosidase can be measured by X-gal in the growth media. Explain why X-gal turns blue when metabolized by beta-galactosidase.Aeroderma pigmentosum patients have a 10,000-fold increase in the risk of developing Skin cancer. These patients have to avoid exposure to UV light. Please explain why. To answer the question please: I) name the process that is affected and provide a scheme; 2) indicate template, substrates, sources of energy that are involved in the process; 3) propose the consequences of the process.How does penicillin inhibit bacterial growth?
- (c) Which phase of cell growth is disrupted by antimetabolites? Explain how as folate methotrexate functions antagonist. antimabolitesExplain the importance of Stemoamide ?When would you expect to see the E. coli produce the enzyme beta galactosidase if the growth media contained only glucose as an energy source?
- Enzyme used to inhibit kreb cycle?Describe nitrogen fixation and why it is important to agriculture.Sydney Brenner isolated Salmonella typhimurium mutants that were implicated in the biosynthesis of tryptophan and would not grow on minimal medium. When these bacterial mutants were tested on minimal medium to which one of four compounds (indole glycerol phosphate, indole, anthranilic acid, and tryptophan) had been added, the growth responses shown in the following table were obtained. Mutant Minimal medium Anthranilic Indole glycerol acid Indole Tryptoph phosphate trp-1 trp-2 trp-3 trp-4 trp-6 trp-7 trp-8 trp-9 trp-10 trp-11 - Give the order of indole glycerol phosphate, indole, anthranilic acid, and tryptophan in a biochemical pathway leading to the synthesis of tryptophan. Indicate which step in the pathway is affected by each of the mutations. + 1 + 1 II