Which of the following amino acids have a side chain that is capable of acting as a nucleophile? A. Cysteine B. methionine C. alanine D. proline

Q: The Vitamin required for the synthesis of nucleic acid is: A) Tocoferorl B) Folic acid C)…

A: Vitamins are the substance that our body needs to develop and function. Vitamin A,D,E,K and B are…

Q: Phospholipids are important components of __________. a. the plasma membrane of cells b. the ring…

A: Plasma membrane is a lipid bilayer. Alcohol, fatty acids, phosphates, and an alcohol attached to a…

Q: Thymidine is the result of A Removal of the ribose-5'-phosphate group from thymidylic acid B Removal…

A: Answer :  a.  Removal of the ribose-5'-phosphate group from thymidylic acid.

Q: what is an enyme

A: Cells perform chemical reactions to keep the cell alive and stable. Sometimes these chemical…

Q: Choose the combination of answers that most accurately completes the statement.The primary mode of…

A: The microbial control is of two types, chemical and physical. The use of chemicals in killing or…

Q: In what way do phospholipids differ from normal lipids called triglycerides? a.…

A: Biofilm formation is a natural process exhibited by most of the microbes and it helps to provide…

Q: Which classes would not work to treat a walking pneumonia patient? A. Aminoglycosides B.…

A:

Q: Which is found in DNA only? A free deoxyadenosine nucleoside B ribose c) N-C glycosidic bond D A-T…

A: DNA or deoxyribonucleic acid is a polymer made up of nucleotides. It is present in a double-stranded…

Q: A multinational company outside india tried to sell new varieties of turmeric without proper patent…

A: Patent is a grant for protection of one’s own invention. Owing a patent right means an individual’s…

Q: Explain why cellulose is a necessary component of our diet even though we don’t digest it

A: Absorption is the breakdown of huge insoluble food molecules into little water-solvent food…

Q: Do other enzymes like peptidase also help break down polysaccharides? How and why?

A: Carbohydrates are the major source of energy for the body. These are sugars, dietary fibers, and…

Q: Which is not an essential amino acid? a. Tryptophan b. Threonine c. Histidine d. Cysteine

A: On the basis of nutritional requirement amino acids are divided into three groups:-   1) Non…

Q: Define the following terms: a. GPI anchor b. glycolipid c. glycoprotein d. glycoconjugate e.…

A: Glycolipids are components of cellular membranes comprised of a hydrophobic lipid tail and one or…

Q: Essential oils are fat soluble and attracted to lipids and are, therefore, considered: Choose one…

A: The biomolecules have specific molecular structure that determine their characteristics and…

Q: What type of linkage is catalyzed by peptidyl transferase activity? a. anhydride b. mixed anhydride…

A: Peptidyl transferase is an enzyme that catalyzed the addition of amino acid to the growing…

Q: Which came first—the catalysts or the hereditary molecules?

A: During the course of evolution, the biological molecules were produced by abiotic factors by using…

Q: Addition of a phosphoester to a ceramide makes a(n): a. sphingomyelin b. plasmalogen C. sphingosine…

A: A lipid refers to the biomolecule that is made of a hydrocarbon chain linked with a carboxylic acid…

Q: Why are proteoglycans like airbags?

A: Proteoglycans are compound consisting of a protein, which is bonded to mucopolysaccharide groups.…

Q: Is the statement true or false, transition occurs when a pyrimidine is replaced by another…

A:

Q: This picture is of an enzyme, which is part of the group of macromolecules and is composed of chains…

A: Enzymes are the protein molecules which speed up the rate of biological reactions.

Q: In humans, sulfur of cysteine may participate in all of the following except The donation of the…

A:

Q: A) List six differences between prokaryotic and eukaryotic cells. B) Show how a triglyceride is…

A: 1.Prokaryotes lack membrane-bound organelles like mitochondria, chloroplast.Eukaryotes are…

Q: Compound A has been synthesized as a potential inhibitor of a urea-cycle enzyme. Which enzyme do you…

A: Urea cycle sequence reaction metabolizes ammonia [NH3 ]  to produce urea where it converts highly…

Q: The bases of purine nucleotides are degraded to_________________.

A: DNA stands for deoxyribonucleic acid. It is the genetic material of the organisms that transfer from…

Q: Use the following diagram to answer the question below. XNXXX -G---C a. Guanine. b. Thymine. c.…

A: Introduction  Deoxyribonucleic acid, also known as DNA, is the molecule that carries the genetic…

Q: If sucrase is the enzyme that binds with sucrose, what is the name for the enzyme that binds with…

A: Disaccharide is the type of carbohydrate which is made up of two monosaccharides. Sucrose is a…

Q: RNA molecules are more reactive than DNA molecules. Explain.

A: DNA is a deoxyribonucleotide which was a double-stranded molecule that has a long chain nucleotide…

Q: Many coenzymes containa. metals b. vitamins c. proteins d. substrates

A: Cofactor:        It is a non-protein chemical compound that is necessary for the enzyme's activity…

Q: What is the primary function of carbohydrates attached to the cell membrane

A: The cell membrane is also termed the plasma membrane. The cell membrane is present in all cells and…

Q: An earlier mission to Mars contained instruments that determined that amino acids were present on…

A: Amino acids are known as monomers of proteins that contain carbon, hydrogen, and oxygen atoms in…

Q: Which of the following is a nonreducing sugar? a. cellobiose b. maltose c. lactose d. sucrose

A: Non-reducing sugars do not have free ketone or aldehyde group. These sugars have acetal in place of…

Q: CH-C-2CoA 28. a triglyceride 29. a seap 30. a glycerophinplolipid

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

Q: he nitrogen on the 6-membered ring of a purine comes from A、glutamine B、Aspartate C、glutamate…

A: Asked : Nitrogen on the 6-member ring of purine comes from which of given options.

Q: The immediate donors of the nitrogen atoms of urea are: a. Aspartate and glutamate b. Glutamate and…

A: Urea cycle is a cyclic pathway related to the synthesis of urea, one nitrogen is derived from free…

Q: Which of those molecules has a primary structure? Select one: a. Tryptophan b. Cholesterol c. t-RNA…

A: t-RNA

Q: Give one example of a molecule that is made from cholesterol

A: Lipids are macromolecules that are made up of carbon, hydrogen, and oxygen just like carbohydrates…

Q: The incorporation of inorganic nitrogen into organic molecules is called _____________

A: The higher plants absorb the nitrogen which results in the formation of organic molecules further…

Q: a laboratory scientist isolates nucleic acids from samples of rough endoplasmic reticulum. which of…

A: Endoplasmic reticulum is an irregular network of double membrane bound tubules. These extend from…

Q: Why are proteins more effective catalysts than RNA molecules?

A: Proteins are more effective catalysts than RNA as they can fold in different ways.

Q: Use the nucleotide shown below to answer the following question. ÓH OH ÓH Does this nucleotide…

A: DNA and RNA are the two Nucleic acids present in the nature. These are the genetic material of all…

Q: Which of the following amino acid residues cannot act as a nucleophile? a. Serine b. Glutamate C.…

A: Amino acids are the building blocks of proteins. They have side chain R groups that are important…

Q: Why does the number of chiral carbon atoms in glucose increase when it mutarotates? You may include…

A: Introduction: The term “mutarotation” refers to the observed change in the optical rotation of the…

Q: When you take the antibiotic penicillin when you are ill, why does the penicillin kill a bacterial…

A: Penicillin : It is an antibiotic or group of antibiotics produced naturally by certain blue moulds,…

Q: Unfolding of a protein can be termed as a. Reduction b. Oxidation c. Denaturation d. Renaturation

A: Proteins have different levels of structural organization. They are, Primary structure Secondary…