How does the greenhouse effect influence the temperature of the atmosphere? Which properties of greenhouse gases in the atmosphere cause this effect?

Q: Suggest an argument forwhy eukaryotic cells havedeveloped an enclosednucleus unlike bacteria andarch...

A: Eukaryotes are cells, which are known to have well compartments as well as they have a well-defined ...

Q: What is the pH of a 9.7 × 10⁻⁴ M HClO₄ solution?

A: pH is the potential of hydrogen ions and the power of hydrogen ions as well. pH below 7 is acidic an...

Q: Intro. Medical microbiologists believe that overuse of antibiotics in animal feed may select for ant...

A: Antibiotic resistance (ABR) occurs when bacteria evolve mechanisms that protect them from the effect...

Q: Regions of DNA that are most easliy unwound have a- greater G C content b- alternating A and G c-abo...

A: A nucleotide is formed by nitrogenous base, sugar and phosphate. Commonly found bases in DNA and RNA...

Q: How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 39.0 L?

A: The ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation o...

Q: please help with both questions

A: Transcription is the first of several steps in gene expression in which a particular segment of DNA ...

Q: Why are such allosteric enzymes composed of more than one catalytic subunit?

A: Many enzymes are composed of multiple subunits.

Q: Answer TRUE or FALSE.a. A simple enzyme contains only nonprotein.b. The difference between a cofacto...

A: Enzymes catalyze the biological reactions by decreasing the activation energy and increasing the rat...

Q: What is the pH of a 7.5 × 10⁻⁴ M CsOH solution?

A: Introduction: pH is an indicator which is used to differentiate whether the solution is acidic or ba...

Q: Polysaccharides are synthesized by   a. plants and animals b. removal of water (dehydration synth...

A: Carbohydrates are polyhydroxy ketone or polyhydroxy aldehyde or compounds which produces them on hyd...

Q: which of the following are true regarding chemical equilibrium (choose all that are true)  a. chemic...

A: When the concentration of both reactant and product is the same in the chemical reaction, it is call...

Q: Which of the following statements about genes is TRUE? Alleles of genes located on the same chromoso...

A: Mendel's law of independent assortment states that the alleles of two or more different genes get so...

Q: Complete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP. How many ATP molecules ...

A: The citric acid (CAC) cycle is an aerobic metabolic pathway. During this pathway, the acetyl-CoA is ...

Q: By a stoichiometric calculation, determine the pH of a buffer solution prepared by dissolving 25.5 g...

A: The equation that relates the pH of an aqueous solution of an acid to the acid dissociation constant...

Q: What is the purpose of adding lemon juice when making guacamole?    What does the lemon juice do?

A: Guacamole Recipe is straightforward and with minimal ingredients. Fresh mashed avocados, lemon juice...

Q: An example of a glycerophospholipid that is involved in cell signaling is: O A. ceramide O B. arachi...

A: Lipids can be classified into fat, wax, oil, phospholipids, and sterols. Lipids are also classified ...

Q: Please answer very soon

A: The citric acid cycle is a series of chemical reactions used by all aerobic organisms to release sto...

Q: Question 4-2 Palmitic acid and oleic acid result from the degradation of more complex lipids, which ...

A: The fat content of milk is of economic importance because milk is sold on the basis of fat. Milk fat...

Q: Draw the Glutamic acid in it’s active protonation state for enzyme activity. Suggest a role for the ...

A: During the chemical reaction, the enzyme plays a crucial role in chemical catalysis. In the process,...

Q: in the synthesis of glycogen, the glycogen synthase uses UDP-glucose rather than glucose. Explain in...

A: Glycogen synthesis begins with Glucose-1-phosphate, which is converted to UDP-glucose, an 'activated...

Q: below is the structure of Acetyl-CoA. Click or select the part of the molecule that enters the krebs...

A: TCA cycle that is Tri carboxylic acid cycle is also known as Krebs cycle. This cycle involves series...

Q: Compare the delta ΔG0' values for the oxidation of succinate by NAD+ and by FAD. Use the data given ...

A: ∆G' 0= -nFE'0where n = number of electrons transferredF = Faraday's constant∆G' 0 = Standard Gibb's ...

Q: Which three amino acids are substrates or products of serine hydroxymethyltransferase?

A: Serine hydroxymethyltransferase (SHMT) is a member of the fold type I family of vitamin B6-dependent...

Q: Statements:(1) Fats and oils have the same general chemical structure.(2) Biological waxes have a th...

A: In science, fat normally implies any ester of unsaturated fats or a combination of such mixes; most ...

Q: A novel technique for determining the which lipids make up a pure homogenous lipid membrane has been...

A: The biological membrane is made up of lipids and proteins. Lipids play a wide variety of role in our...

Q: Suppose Biuret test is conducted to a solution of RNA. Will it give a positive result or not? Explai...

A: Ribonucleic acid is a polymeric molecule essential in various biological roles in coding, decoding, ...

Q: If a liter of a cough syrup weighs 1285g, what is the specific gravity?

A: Specific gravity can be defined as the ratio of the substance's weight to the weight of the equal vo...

Q: 2. If 318.0 mL of nitrogen ga reacts with excess iodine according to the following reaction, what ma...

A: The ideal gas equation is given by; PV = nRT Where n = number of moles; R = universal gas constant =...

Q: Which of the following statements is not true? a. Essential nutrients can be synthesized by the body...

A: Biomolecules are the chemicals or molecules present in the living organism. They are of two types: i...

Q: Use a diagram to identify the component of the tricarboxylic acid cycle. has two carboxyl groups as ...

A: In TCA cycle, acetyl CoA gets oxidized to carbon dioxide. TCA cycle occurs in mitochondrial matrix i...

Q: A post doc was working on charaterizing a new enzyme and found that in a 357 amino acid enzyme, the ...

A: Enzymes are proteins and proteins are composed of linear chain of amino acid attached via peptide bo...

Q: You are studying a drug that affects a cAMP signalling pathway that is normally initiated when a sig...

A: GPCRs are present in all eukaryotes. It is the largest family of cell surface receptors that transmi...

Q: please answer correctly.thanks

A: Genes come in pairs and are responsible for the inheritance and expression of the associated phenoty...

Q: The E1% at 280 nm of the protein myosin is 0.842. You take 40µl of a myosin solution of unknown conc...

A: E1% means 1% solution of myosin gives the absorbance of 0.842 at 280 nm. 1% means 1g in 100 ml solve...

Q: Compare the average N–O bond in NO3– to the average N–O bonds in NO2+ and NO2– (from above). Rank th...

A: NO3– , Nitrate is a nitrogen containing oxoanion that is formed by loss of a proton from nitric acid...

Q: Illustrate a chemical equation based on the following:   a. Hydrogenation of triarachidonin to Triar...

A: Dear students, The given question has multiple parts. According to the guidelines, we will attempt o...

Environmental Microbiology

Environmental biology deals with the study of microorganisms and their interaction with their surroundings. This term itself covers the microbial interactions with water, soil, air, and microbial too.