I just need the answers. 1. Which of following is a covalent bond? A. B. C. D. E
ID: 144069 • Letter: I
Question
I just need the answers.
1. Which of following is a covalent bond? A. B. C. D. E. The bond between sodium and chlorine in salt The bond between adenine and thymine in DNA The bond holding H2O molecules together in a beaker of water The bond between adjacent carbon and nitrogen atoms in proteins All of the above are covalent bonds 2. Deoxvribose: A. Monosaccharide B. Protein C. Nucleic acid D. Polysaccharide E. Nucleotide 3. DNA: A. Monosaccharide B. Protein C. Nucleic acid D. Polysaccharide E. Nucleotide 4. Glucose: A. Monosaccharide B. Protein C. Nucleic acid D. Polysaccharide E. Nucleotide 5. Enzyme: A. Monosaccharide B. Protein C. Nucleic acid D. Polysaccharide E. Nucleotide 6. Glycogen: A. Monosaccharide B. Protein C. Nucleic acid D. Polysaccharide E. NucleotideExplanation / Answer
Q 1) Answer D. The bond between adjacent carbon and nitrogen atoms in protein is a covalent bond. Covelent bond is formed by sharing of electrons.
Option A is an ionic bond and option B and C is hydrogen bond
Q 2) Answer A. Deoxyribose is derived from ribose which is a monosaccharide
Q 3) Answer E. DNA is a polymer of nucleotide.
Q 4) Answer A. Glucose is monosaccharide
Q 5) Answer B. Enzymes are proteins formed from polmerisation of amino acids
Q 6) Answer D. Glycogen is a polysaccharide formed from glucose.