Sugars, phosphates, and bases are the basic components that construct a spiral ladder-shaped molecule of   a. amino acids.   b. proteins.   c. a cell’s DNA.   d. all of the above.   e. none of the above.

Q: Which of the following statements about chaperones is FALSE? a.   Chaperones prevent incorrect…

A: Proteins mostly get folded into their native states spontaneously. Some proteins require assistance…

Q: Cells can store energy as starches (long polymer forms of carbohydrates, or sugars) and fats. If you…

A: Nutrients are biomolecules that act as a source of energy. Nutrients are classified into…

Q: DNA is a hereditary molecule that is composed of a. deoxyribose, phosphate, and nitrogen bases b.…

A: A molecular structure characterized by the presence of two polypeptide chains forming a…

Q: An RNA nucleotide differs from a DNA molecule in that RNA hasa. a ribose sugar.b. a uracil base.c. a…

A: Macromolecules are very large molecules commonly composed of the polymerization of smaller subunits…

Q: Breaking the hydrogen bonds that hold the bases together requires energy. Which of these two will be…

A: DNA is made up of nucleotides. Each nucleotide is made up of the deixyribose sugar, nitrogenous base…

Q: The study of protein synthesis often uses a cell-free system where cells are ground with an abrasive…

A: The protein synthesis can be studied by growing the cells in a cell free system where the cells are…

Q: certain molecule will not dissolve in water and has a structure consisting of glycerol covalently…

A: Given: A certain molecule will not dissolve in water. It has a structure consisting of glycerol…

Q: Which of the following does NOT apply to an enzyme: a. Catalyst b. Inorganic c. Protein d. All of…

A: Numerous biochemical metabolic pathways operate simultaneously in a living cell. In order to…

Q: Phospholipids are important components of A. bacterial cell walls B. ribosomes C. carbohydrates…

A: Phospholipids are defined as the class of lipids whose molecule will have a hydrophilic head…

Q: Which of the following describes lactose? A. A nonreducing disaccharide containing glucose and…

A: Lactose is a disaccharide derived from the condensation of galactose and glucose with the molecular…

Q: Which of the following alters proteins and membranes? a. Alcohols b. Iodine c. All other choices…

A: Several factors influence antimicrobial activity: The population size of microbes The duration of…

Q: DNA replication involve parent and daughter DM

A: Catabolism is the set of metabolic pathways that breaks down molecules into smaller units that are…

Q: The carbon-to-nitrogen bond that joins amino acids together is called a.a glycosidic bond. b.a…

A: Carbohydrates are the organic compounds that comprises of carbon, hydrogen and oxygen. The ratio of…

Q: Correctly match each item below to the corresponding nucleic acid(s).     1. Contains Deoxyribose…

A: 1. Contains deoxyribose sugar  2. Contains phosphate group  3. Never contains Uracil  4. Found in…

Q: Denaturation  of a protein   A. adds hydrogen bonds to the primary level of protein structure.…

A: Proteins are a class of complex macromolecules that are essential for the normal functioning of the…

Q: Which of the following is/are not found in DNA? a. adenineb. uracilc. cytosined. deoxyribosee. both…

A: Nucleic acids are the polynucleotides which are held together by phosphate backbone. Generally, it…

Q: When a protein is folded in aqueous solution, some residues are driven inside to form a “hydrophobic…

A: Introduction Proteins are the most abundant macromolecule present in our body. Proteins performs…

Q: Adding a Meat Tenderizer to solid Jello dissolves the Jello because:

A: Meat tenderizer refers to a powdered naturally derived enzyme powder. The enzyme most commonly used…

Q: Which of the following is the function of transfer RNA?   A. Carries the message that guides…

A: Ribonucleic acid (RNA) are polymeric organic molecules, which are essential for carrying out various…

Q: The sugars in RNA and DNA are almost identical. The main difference is the presence or absence of…

A: DNA/RNA are polymers of nucleotides. A nucleotide consists of a nitrogenous base(A, T, G, C)…

Q: The heme group, part of the protein globin, contains a carbon-ring structure that holds oxygen for…

A: Hemoglobin is a protein present in the red blood cells (RBCs). Hemoglobin comprises heme (iron) and…

Q: Proteins serve as the "machinery" for the living cells. What type of molecules are used to produce…

A: Biomolecules or biological macromolecules are molecules made up of biological elements. These…

Q: Which of the following statements is a characteristic of a monomer ?   a. Larger molecules that…

A: Monomers are the smallest units of a macromolecule or a polymer. Monomers are small repeating…

Q: Amino acids with non-polar side chains are zwitterions at a. middle pH levels, between the pKa’s of…

A: Amino acids are compounds with an amino group, a carboxyl group, a hydrogen atom, and a variable…

Q: Consider the amino acids lysine, valine, and aspartic acid in an enzyme. Which of these amino acids…

A: Lysine is a basic or positively charged side chain containing amino acid. Valine is a non-polar side…

Q: reduces

A: C.reduce ,unfolds. Due to their covalent nature disulfide bonds can have profound effects on the…

Q: The function of proteins is limited to one or two tasks. Proteins play multiple roles in living…

A: Signalling protein - involved on cellular communication  Structural protein - proteim that…

Q: CH,OH H. но OH H.

A: Glucose is a sugar. It is made up of 6 carbon atoms and an aldehyde group. Its molecular formula is…

Q: The basic unit of the following is a nucleotide: a. DNA b. RNA c. ATP d. A and B e. All of the Above

A: Introduction:- A nucleobase, a five-carbon sugar (ribose or deoxyribose), and a phosphate group made…

Q: Pauling's model couldn't be right because:   A. the negative oxygen atoms of the phosphate groups…

A: DNA or deoxyribonucleic acid is the genetic material in most organisms. According to Pauling's…

Q: The phosphodiester bonds that link adjacent nucleotides in both RNA and DNA: a. always link A with…

A: Introduction: Nucleic acids are large complex biomolecules that store hereditary information…

Q: Which of the following is true about the structure of nucleotides? A. Purine nucleotides cannot…

A: Thymine is supplanted by uracil in RNA (U). A, G, C, T, and U's chemical structures. Due to their…

Q: A biochemist observes a molecule composed of RNA and protein, which acts to create chains of amino…

A: Enzymes are the protein molecules which are of biological origins or sometimes may be produced…

Q: Indicate the phase of protein synthesis during which each of the following processes occurs: a. A…

A: The process of synthesis of proteins is called translation. Translation occurs in mainly three…

Q: Proteins serve as the "machinery" for the living cells. What type of molecules are used to produce…

A: Proteins are one among the 4 biomacromolecules of life, along with carbohydrates, lipids and nucleic…

Q: Which macromolecule is NOT digested by the lysosome? A. Proteins B. Nucleic acids C. Polysaccharides…

A: A lysosome is an organelle found in eukaryotic cells. Its function is to the digestion of…

Q: The amino sequence of a protein is: alanine, leucine, valine, threonine.  This information reveals…

A: The main structure is the most fundamental kind of protein structure. An easy, linear chain of amino…

Q: Mark the following properties as belonging to either DNA or RNA. a. Contains the nucleotides A, G,…

A: The molecule that stores information and delivers it to the next generation from the parental…

Q: Which of the following is not a function of proteins? a. transport molecules b. acting as…

A: Introduction:- Proteins are big, complex molecules that play a number of important tasks in the…

Q: Which of the following statement(s) about proteins is true?

A: Proteins are polymers of amino acid. Denaturation of protein means loss of quaternary, tertiary and…

Q: Which of the following is NOT one of the four nucleic acids?

A: The nucleic acids such as DNA and RNA have three important moieties in their structure. These…

Q: What level of protein structure includes polypeptide aggregates?   A. Secondary   B. Quaternary   C.…

A: Protein is considered as a fuel source. It is a vital micronutrient.

Q: Which of the following statements explains what nucleic acids are? Select one: A. Nucleic acids…

A: Understanding the structure and function of nucleic acids is critical in many scientific domains,…

Q: DNA: O a. is a single strand of nucleotides. O b. transports amino acids during protein synthe OC.…

A: DNA is the genetic material present in the nucleus of the cell. It is a type of nucleic acid along…