Making meduim as rich as possible by providing all possible nutrients in great excess does not result in an optimal culture meduim  Why do you think is that?

Q: I have recently purchased a bottle of essential oil to be used as mosquito repellent. Classify the…

A: Secondary metabolites are chemicals that are produced by plant for various functions like attraction…

Q: Why does Bt maize have less fumonisin than non-GMmaize?

A: Genetic engineering is defined as the direct manipulation of an organism’s genes including heritable…

Q: Temperature plays a very important role in the growth of fungi, bacteria, and other microorganisms.…

A: Milk serves as a nutritious source of food for humans. Milk favors the growth of mesophilic microbes…

Q: Root nodules contain ________ , which can _____________ .a. Azotobacter, fix N2b. Nitrosomonas,…

A: The plant requires 17 essential elements for the completion of its life cycle and for the plant…

Q: TS broth: Can you tell if the cells present in the broth are alive or dead or can you not tell?…

A: The pellicle refers to a membrane that is formed due to the floating of the nonmotile bacteria. The…

Q: The use of abomasum as a source of rennet is not practical. Explain why

A: Rennet is an enzyme or a substance that is produced as a coagulant and helps in the production of…

Q: what is growth rate? What is growth yield? How to control these two parameters in a chemostat?

A: Answer: Introduction: The yield (X) of a culture means the change amongst the primary biomass (X0)…

Q: There is a general statement that "organic matter content of Pakistani soil is low" ,why?

A: Organic matter is an important component of soil. It increases water holding capacity of the soil by…

Q: Phytochemicals are included in all of the following food groups except:

A: Phytochemicals present in blue berries:-  polyphenols Phytochemicals present in hot/ red pepper: -…

Q: How would the following plants defend themselves from being eaten? Identify the secondary metabolite…

A: Secondary metabolites are the compounds produced by organisms that are not used by them for primary…

Q: List the benefits of humus in the soil.

A: The humus is organic element of soil, shaped by the decomposition of leaves and alternative material…

Q: In which of the following foods are microorganisms involved in their production? Coffee Chocolate O…

A: Microorganisms contaminate food throughout the process, from harvesting to preparation to…

Q: The 20th century would witness the new anti-biotic revolution that would save millions of lives.…

A: INTRODUCTION Antibiotics are drugs that are use in the treatment of  bacterial illnesses in animals…

Q: Indicate which of the following observations can be made when observing growth on nutrient agar.…

A: Colony morphology can be referred to as the visual appearance of bacterial colonies on a plate of…

Q: Can a spoilage microorganism cause foodborne illnesses? Why or why not?

A: Illness caused by food contaminated with bacteria, viruses, parasites or toxins are called food…

Q: An E. coli cell is taken from a medium contaning abundant glucose and placed in a medium containing…

A: Bacteria are often subjected to a constantly changing environment in which nutrition supply can…

Q: Explain the following functional properties indicating the macronutrients which exhibits such…

A: The main nutrient provided by an ingredient gives it a range of properties during cooking.…

Q: Which of the following characteristics is NOT exhibited by phytochemicals? 1. reduce the…

A: The phytochemicals are the plant derived chemicals that are produced by the plants during the…

Q: Place appropriate points on the axes and draw and label separategraphs that fit a psychrotroph and…

A: When microorganisms supplied with an adequate amount of nutrients and other environmental factors…

Q: One such pathogen, Rhizobium radiobacter (formerly known as Agrobacterium tumifaciens), is useful to…

A: The Agrobacterium tumefaciens is also known as Rhizobium radiobacter. It is a gram-negative, motile,…

Q: boiled potato extract + phenol + H2O2  boiled potato extract + catechol + + H2O2  boiled potato ex…

A: Catalase is an enzyme that acts as a biocatalyst. It is widely available in the peroxisomes of plant…

Q: hat source do bacteria obtain their mineral elements like Ca, Fe, etc. in  nutrient b

A: The microscopic organisms not visible with the naked eye are known as the microorganisms. These…

Q: Plant secondary metabolite responsible for the lachrymatory effects experienced when chopping onions…

A: Organisms such as bacteria, fungi, and plants release certain substances that are not involved…

Q: is not a limiting factor for the growthicroorganisms: a. Not enough oxygen b. Not enough space Not…

A: Introduction: Microorganisms are too small to be seen from naked eyes. They can grow anywhere when…

Q: aximum fixation of solar energy is usually done by .....

A: Solar power is the conversion of solar energy into thermal or electrical energy. Solar energy is the…

Q: It includes only one variety, and its example is Paramecium Cliate under the scarcity True False

A: Prokaryotes are unicellular organisms. They will be lacking a well defined nucleus and other…

Q: importance of Golden Rice

A: Genetic engineering is called by various other names such as genetic manipulation or genetic…

Q: why the hemacytometer method is not compatible with mycelium b. Explain at what stage of growth the…

A: Cell counting:  Hemocytometer or cell counting chember is used for primary cell counting, where a…

Q: is a physicochemical modification of soil or synthesis from the precursor materials. O Addition O…

A: SOIL - soils are the products of complex interactions between the lithosphere , atmosphere and…

Q: Rhizobium is important agriculturally because it supplies __________ to plants such as peas and…

A: Rhizobium is a rod shaped bacterium which are found in the roots of leguminous plants such as sweet…

Q: you have isolated a Bacillus species and would like to test its plant growth promoting abilities.…

A: Bacillus is a genus of bacteria which includes gram-positive, spore forming, rod shaped aerobic or…

Q: Figure shows several chemicals that carry nitrogen up from the roots to the rest of the plant. What…

A: Amino acids are key metabolites for nitrogen (N) metabolism in higher plants. It is absorbed in…

Q: Which of the following statements best describes the energy transfer between the levels of energy…

A: From producers to consumers, energy is transferred between species in food webs. Organisms use…

Q: this resource can be replaced by natraul process and will never run out

A: There are two types of natural resources - 1. Non-renewable resources - Those resources that cannot…

Q: You have discovered a secondary metabolite made by an unusual fungus that has great industrial…

A: Secondary metabolites are those metabolites that are produced from primary metabolites and they are…

Q: which of the following potential mechanism for how phytosterois exerts LDL-lowering effect.

A: LDL cholesterol  Low density lipoprotein or also known as bad cholesterol. Consumption of LDL…

Q: If any plant is disappearing due to disease caused by salt inclusion in the soil. how can I generate…

A: Salt tolerance in many plant species could operate at the cellular level, and glycophytes are…

Q: What is the effect of sugar in jelly and jam production.

A: In jam and jelly food processing the method is almost the same; fruits are washed, chopped, soaked,…

Q: Discuss about Biocompost?How this technique is lowcost, useful for presentand future betterment…

A: Bio-composting is the biological aerobic decomposition of organic material into simpler compounds,…

Q: What is nature inspired carbonmaterials? Describe the synthesis of corn-cob derived carbon from corn…

A: The term “nature-inspired” is associated with a sequence of efforts to understand, synthesize and…

Q: What are three options to increase food production? Discuss each giving the salient features,…

A: The traditional method of farming has only a limited ability to produce biomass for animals as well…

Q: what was preferred as a source of rennet? the young or the old ones and why?

A: Rennet is a generic term for enzymes that act on milk proteins. Its job in a ruminant's stomach is…

Q: how can i make parfume

A: Perfume is a fragrant liquid typically made from essential oils extracted from flowers and spices,…

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: What LAB species will you utilize in the fermentation process?

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

Q: How might the optimal temperature be affected by the growing conditions of the potato?

A: Potato is a tuber that grows under the soil. The soil temperature influences the growth of potatoes.…

Q: 30. The optimum temperature for the growth of Mycobacte A. 25°C 8. 30°C C. 35°C D. 37°C E. 40°C

A: Mycobacterium tuberculosis is the bacteria that causes tuberculosis. TB germs are most commonly…

Q: Soil could be deficient in any of the following nutrients. If you had to supply one of these to the…

A: NUTRIENTS IN SOIL: For plant growth and development some major and minor nutrients are available in…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.