Which of the following group(s) are present in natural amino acids: a. Imidazole group c. Indole group b. Tetrapyrrole group d. Guanidinium group e. Keto group
Q: Which of the following is not a saturated fatty acid? A. Linoleic acid B. Caproic acid C. Myristic…
A: Fatty acid can be classified into saturated fatty acid and unsaturated fatty acid.
Q: Some amino acids are synthesized by replacing the keto group (CO) of an organic acid known as an…
A: Amino acids are organic compounds that contain amine and carboxyl functional groups, along with a…
Q: When cis peptide bonds are found in proteins, which amino acid is most often flanking that peptide…
A: A peptide bond is a type of covalent bond that is planar and exists in two-state .they are cis…
Q: Amino acids show unusual chemical behavior especially because they A) are all found in living…
A: Amino acids are the building blocks of proteins. Proteins serve as structural support inside the…
Q: Which of the following families:amino acid classifications is/are correct? a.aromatic:Met…
A: Amino acids are biomolecules that have an amino group a carboxyl group and a side group attached to…
Q: Which of the following is/are NOT (an) essential fatty acids? A. arachidonic acid B. linoleic acid…
A: Essential fatty acids can be defined as those fatty acids which body cannot synthesis but are…
Q: Identify the components that are consistent between all 20 amino acids in the body. SELECT ALL THAT…
A: An amino acid is composed of basic amino NH2 group, acidic carboxyl COOH group and have side chain R…
Q: Write down the structure of the amino acid asparagine and explain why you would classify it as an…
A: Amino acids are the smallest units of proteins and polypeptides. Amino acids differ from each other…
Q: What type of intermolecular forces exist between the side chains of each of the following pairs of…
A: Amino acids are organic compounds that combine to form proteins. Amino acids and proteins are the…
Q: Depolymerization of disaccharides into two monosaccharides involves a/an _____ reaction: a)…
A: Disaccharides are made up of two monosaccharides joined together by a glycosidic bond. The formation…
Q: When we refer to the backbone of a polypeptide, we are referring to the attachment between: Select…
A: Proteins are polypeptide chains made by peptide bonds between Carboxyl and Amino functional groups…
Q: Which of the following is incorrect regarding nucleotides?a. They contain a sugar, a…
A: Introduction DNA is the basic genetic material found in most of the species. DNA stands for…
Q: The two reactions that convert glutamate to ornithine are, first, a of the y-carboxylate group of…
A: Ornithine is a proteogenic amino acid that plays a role in the urea cycle. It is mainly formed from…
Q: The difference between an aldose sugar and a ketose sugar is A) the number of carbon atoms B) the…
A: Carbohydrates are a sort of macromolecule that most people are familiar with. Glucose, a simple…
Q: Classify the following amino acids as nonpolar, polar basic, polar acidic, or polar neutral. (a) (b)…
A: Amino acids are the molecules that contain both amino and carboxylic acid groups. In living systems,…
Q: Which of the amino acids will nearly always be found buried in the center of proteins? a. aspartic…
A: Protein folding is the physical process by which a polypeptide chain is folded into its…
Q: Which of the following amino acids would be classified as a POLAR NEUTRAL amino acid? H. H3N*-C-COOH…
A: Amino acids are defined as organic compounds that join forming bigger peptides or proteins. Amino…
Q: The amino acid that is not optically active is ----- This is because its R group a. proline; forms a…
A: All amino acids except glycine are optically active i.e. they rotate the plane of plane polarized…
Q: Amino acids are different from each other by: O a. The presence of a central alpha C atom. O b. The…
A: Amino acids are building blocks of proteins. A number of amino acids are joined together by a…
Q: List down which amino acids are capable of the following interactions in the tertiary structures of…
A: There are 20 standard amino acids are there which make up all the proteins inside the cell. Amino…
Q: Yhich amino acid is considered to be hydrophilic? a. Methionine b. Alanine c. Glycine d. Threonine
A: Hydrophilic amino acids are those acids which are highly stable when present in water. They are…
Q: Which of these are considered “part” of each amino acid? A. Carboxyl acid group B. All of the…
A: Fact: There are around 450 naturally occurring amino acids that are known to form monomer units of…
Q: Amino acids are different from each other by: Oa. The presence of a central alpha C atom. o b. The…
A: (b) The amino acid R group
Q: Which of the following statements about amino acids is/are incorrect? I. The formation of a…
A: Amino acids make up proteins. Amino acids are joined to each other by peptide bonds. There are about…
Q: Glycoprotein oligosaccharides are usually linked to the amino acid: A. serine B. cysteine C.…
A: Biological macromolecules are those large molecules that are necessary for the survival and growth…
Q: What kind of bond would you expect between the side chains of the following amino acids?(a) Cysteine…
A: Amino acids are molecules which when combined together forms a macromolecule known as protein. It…
Q: A triglyceride consists of (a) glycerol plus three fatty acids, (b) a sugar-phosphate backbone to…
A: Introduction: The correct choice is option a) glycerol plus three fatty acids
Q: Which part of the amino acid varies between different types of amino acids? A. The amino group…
A: Need to find which part of the amino acid is responsible for creating different types of amino…
Q: Which of the following pairs of amino acids stabilizes a fold in a polypeptide chain through ionic…
A: Proteins are composed of a linear chain of amino acid sequences attached via peptide bonds. Proteins…
Q: The two amino acids having R groups with a negative net charge at pH 7.0 are _______ A. Aspartate…
A: Amino acids are composed of an amino group, carboxyl group, and R-group side chain. They are 20…
Q: The biological marcomolecules composed or multiple units of amino acids is
A: Molecules that are organic in nature and are required by our body to maintain the health of the…
Q: Polyunsaturated fatty acids a). are solid at room temperature b). have carbon-carbon double bonds…
A: Fatty acids are carboxylic acids with long hydrocarbon chain. There are two types of fatty acids -…
Q: Describe citrulline and ornithine based on their similarityto one of the 20 standard amino acids.
A: The 20 amino acids that make up all proteins on the planet are the same. Amino acids are the…
Q: Between which two amino acids do disulfide bonds form? A.Alanine-Glycine B.Serine-Threonine…
A:
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 amino acid is hydrophilic (dissolves in aqueous solutions)? Why?(a) isoleucine (b)…
A: Aminoacids are grouped into four categories based on polarity and they are 1.Nonpolar, aliphatic R…
Q: Which of the following pairs of amino acids can form hydrogen bonds between their side-chain groups?…
A: A hydrogen bond is formed between a molecule that can act as a hydrogen bond donor and a molecule…
Q: Which of the following are nonessential amino acids in humans? valine aspartic acid proline…
A: Amino acids are monomers of protein they are linked with each other by forming peptide bonds.…
Q: Branched-chain amino acids are important in metabolic processes for all of the following reasons…
A: Amino acids are generally used to make protein and poly peptide chain
Q: Which of the following amino acids has a net charge of +2 at a low pH? Which has a net charge of -2…
A: Amino acids are biological molecules that have both amino as well as carboxylic group in its…
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: How many carbon atoms are present in the R group in each of the following standard amino acids? 3-10…
A: The amino acid is the smaller subunit of proteins. They together form polypeptide chains to form a…
Q: Which one of the following pairs are semi-essential amino acids for humans? A. Histidine and…
A: Introduction: The correct choice is option C. Arginine and Histidine
Q: Which of the following lipids is most susceptible to lipid peroxidation? A. Stearic acid B. Oleic…
A:
Q: Which amino acid has an R-group that forms a covalent bond with the polypeptide backbone, thereby…
A: proteins are bimolecules which are formed by the condesnation reaction between different amino acids…
Q: Look at Table 18.3 and identify the type of noncovalent interaction expected between the side chains…
A: Non-covalent : Non covalent interaction differs from a covalent bond in that it does not involve the…
Q: Which of the following amino acids is polar in nature? A. Aspartic acid B. Alanine C. Proline D.…
A: On the basis of polarity amino acid can be divided into polar and no npolar amino acids.
Q: Which of the following is NOT essential fatty acids? A. Omega-3 fatty acid B. Alpha-linoleic acid C.…
A: Essential fatty acids, or EFAs, are fatty acids that humans and other animals must ingest because…
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- Which of the following is/are derived from isoprene? (Select all that apply!) __ A __ B __ C __ D __ E. None of theseWhich of the following statements concerning structural characteristics of bile acids is CORRECT? * A. No hydroxyl groups are present B. More hydroxyl groups are present than cholesterol C. Fewer hydroxyl groups are present than cholesterol D. Both have the same hydroxyl groups present with cholesterolAll of the following are repeating units of glycosaminoglycans EXCEPT: A. hyaluronate B. heparin C. hemoglobin D. keratin sulfate E. chondroitin 6-sulfate
- Edman's reagent is a. mercaptaethanol O b. dansyl chloride (1- dimethylamino-naphthalene- 5-sulfonyl chloride) O c. phenylisothiocyanate (PITC) O d. cynogen bromideWhich of the following lipids is most susceptible to lipid peroxidation? A. Stearic acid B. Oleic acid C. Linoleic acid D. Linolenic acidBile salts are synthesized from: a. Cholesterol b. Prostaglandin c. Triacylglycerol d. Ceramide
- Which of the following is not a saturated fatty acid? A. Linoleic acid B. Caproic acid C. Myristic acid D. Palmitic acidWhich of the following is/are NOT (an) essential fatty acids? A. arachidonic acid B. linoleic acid C. palmitic D. oleic acidGive some biological and medical applications of the following : a. formalin b. chloral c. urotropine
- A mixture containing glutamic acid, arginine, phenylalanine and valine was subjected to anion exchange chromatography at pH 7.0. Which of the amino acids interacted with the resin (anion exchanger) and last to be eluted with a buffer of decreasing pH? A. Glu B. Val C. Phe D. ArgDefine the following terms: a. lactose b. maltose c. homoglycans d. heteroglycans e. starchMild alkaline hydrolysis of glycophospholipids leads to, as major products, 1. Glycerol 2. Glycerol and L-glycerol 3-phosphate 3. Sphingosine 4. Choline O 2 O 4 O 3