Polar biomolecules dissolve readily in water because they can replace more energetically favorable with A) water-water interactions, water-solute interactions. B) water-solute interactions, water-water interactions C) water-water interactions, solute-solute interactions. D) All of these.

Q: When analyzing urine from a patient with kidney disease, which organic molecules might be detected?…

A: A urinalysis refers to the testing of urine that involves checking the appearance, concentration and…

Q: volumetric flask is made to prepare a certain chemical concentration through dilution for example if…

A: Asked : There is no volumetric flasks prepare 0.2N of acetic acid from 1 N acetic acid stock…

Q: Define the term Tonicity of Solutions?

A: Any solution has 2 components – solute and solvent. Solute is substance which gets dissolved and…

Q: Which of the following materials will have the greatest effect on colligative properties of a…

A: Pure water and solutions of ionic or covalent compounds behave differently in their physical…

Q: Hydrogen bonding between water molecules results in a. submersion. b. adhesion. c.…

A: Introduction: Water molecule is composed of two hydrogen atoms and one oxygen atom. The two hydrogen…

Q: What is insensible water?

A: Water is one of the most important compound needed for the survival of life on earth.

Q: Many of the buffers used these days, such asHEPES and PIPES, were developed because they have…

A: A buffer is a solution that prevents the pH of a sample from decreasing or increasing when acids or…

Q: Why not all ergastic substances are metabolically inert?

A: An ergastic substance is a material used in cells that is not protoplasm. These are normally…

Q: Why is water important for metabolism?

A: Metabolism is a process that happens in our body to convert what we eat(food) and drink into energy…

Q: Explain why high concentration of suger, salt and acid do not support microbial growth, only it have…

A: Microbial Growth refers to the growth of a microbial population i.e., an increase in its cell number…

Q: How much solute do you need to make 250 ml of a 3M stock of glucose?

A: The Molarity of a solution is the number of moles of a solute dissolved in a liter of solution. That…

Q: Why do some bacteria grow in the presence of salts?

A: Carl woese in 1990, devide living world in three groups or domains Archaea, Bacteria and Eukarya.…

Q: Explain how osmotic pressure and pH are used in preserving foods. What effects do they have on…

A: The microbes play important role in the food technology and food manufacturing industry. They can…

Q: Organisms that live in fresh water are almost always hypertonic to their environment .In what way is…

A: The net movement of water exerts a pressure recognized as osmotic pressure out of or into a cell.…

Q: Match the following terms:___Solute                       (a) A mixture of two or more…

A: Solution is a homogenous mixture that consists of two or more substances to form a single phase. The…

Q: Which of the following is the most basic?   A. Group of answer choices B. Ocean water (pH 8) C.…

A: Introduction  pH plays and important role in determining the concentration of H+ ions in the…

Q: What important role do buffers play in organisms? What prevents a strong acid or strong base from…

A: Introduction: Acid-base balance is a mechanism that the body employs to maintain the pH of the body…

Q: What might be the impact to the environment if water molecule losses its polarity?

A: Water is a polar molecule. It consists of two hydrogen molecules and one oxygen molecule. The basis…

Q: Why are buffers important in living systems? please explain

A: A buffer is a solution that can withstand pH changes when acidic or basic substances are added to…

Q: Can you change the acidic/alkaline nature of foods by varying ingredients and cooking methods? What…

A: Foods are categorized as acidic or alkaline. A food is acidic if its pH is between 0 and 6.9,…

Q: Define and differentiate the following terms: a.Halophilic , b.Capnophilic, and  c.Microaerophilic

A:

Q: What are the effects of temperature, and pH on microbial growth?

A: Living organisms grow and reproduce. When microbes are provided with sufficient nutrients and…

Q: Explain why bacteria are limited to growth within a given temperature range? Explain why bacteria…

A: Bacteria are single-celled organisms with a small size. Bacteria can be found practically everywhere…

Q: How is water harmful to life on Earth?

A: Earth contains about 70% of the water on its surface. All the animals and plants can not live…

Q: How does pH influence the growth of microbes? Why do microbes grow best at a particular pH and not…

A: pH influences the occurrence and distribution of microorganisms, Microorganisms grow best at their…

Q: Discuss 3 properties of water that are importan

A: Water has certain properties that make it the main constituent of living cells as about 70% of the…

Q: What forms around a non-polar molecule in an aqueous environment? a. clathrate b. hydroclath c.…

A: Non-polar molecules, electrical charges are evenly distributed. Non-polar molecules are symmetric.…

Q: Describe the special properties of water that make it vital to living systems, including: polarity,…

A: Water is about 50%-65% in an adult human body. It is the most important compound our body need.

Q: Explain the biological importance of water?

A: Most of the roles of water in supporting life are due to its molecular structure and some of it's…

Q: In what ways can CO2 inhibit microbial growth?

A: Microbial growth is the proliferation of microorganisms in conditions that support the growth of the…

Q: What are the main biological functions of water?

A: Water is a transparent, inorganic, odorless, tasteless, and nearly colorless chemical substance. It…

Q: why is water considered a vital ingredient of life?

A: Chemical formula for water is H2O. Water can exist in all the forms I.e liquid , solid and gas.…

Q: A buffer system consists of A. a weak acid and its conjugate base. B. a weak acid and a proton…

A: A buffer is a aqueous solution which is used to resist the pH change upon addition of acid or base.…

Q: Explain briefly effects and importance of following phenomena on bioreactor design. oxygen demand…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: part 1What is the % v/v obtained when 20 ml of acetic acid is added to 200ml water? part 2How many…

A: % v/v is Percent volume/volume defined as the concentration of a solute in solution in terms of…

Q: When applying a disinfectant to kill microbes, our bead experiment showed that what two factors…

A: The disinfectants are the compounds that destroys or inactivates the microbes given it is on an…

Q: Molarity is the ratio between:   Select one: a. the number of moles of a solute and the volume of…

A: Concentration of a solution is defined as the amount of solute dissolved in a particular amount of…

Q: Which of the following statements is true of chemoautotrophs?

A: Chemoautotrophs are able to synthesize their own organic molecules from the fixation of carbon…

Q: Explain why osmosis is really just a special case of facilitated diffusion

A: Impediments for Bioremediation of Soils Contaminated with OrganicsBioremediation isn't with next to…

Q: How to reduce/control selenium pollution?

A: Selenium is a trace element that has emerged as a contaminant of concern in water bodies. The…

Q: Define nitrogenous base

A: Nucleic acids include DNA and ribonucleic acid (RNA). DNA is a molecule made up of two…

Q: describe the biologically important properties of water;

A: Almost 75% of the human body is composed of water. About 70% of the earth's surface is composed of…

Q: Using correct terminology about water activity, explain why making jam is a good way to preserve…

A: As we know most of the microbes thrive well in the presence of water, food, and oxygen. They survive…

Q: . Describe how the properties of water contribute to itsphysiological functions.

A: Water is an excellent solvent that is made up of tiny molecules of hydrogen and oxygen. It is…

Q: Is water a hypertonic, hypotonic, or isotonic solution?

A: Organisms exist as long as their living cells can sustain suitable physical and chemical conditions…

Q: How do you think the cohesive nature of water relates to its evaporation?

A: