4. Ionic bonding A. is seen in water B. is seen in H2 C. is seen in NaCI D. is d

Question

4. Ionic bonding A. is seen in water B. is seen in H2 C. is seen in NaCI D. is defined as proton donation and acceptance by E. both C and D components of a molecule 85. Certain nucleotides are A. made up of amino acids B. made up of PO, ribose and nitrogenous basers C. D. both A and B E. both B and C monomers of DNA and RNA MATCHING-Refer to PRINCIPLES OF INHERITANCE Figure for Nos. 86-87 86. Figure "A" is a diagram of the A. molecular model of a phospholipid B. ribonucleic acid (RNA) C. enzymatic action that brings two reacting molecules to D. synthesis reaction in which two amino acids combine to E. two nucleotide strands of DNA molecule. form a dipeptide. 87. Figure "B" is a diagram of the A. molecular model of a phospholipid B. ribonucleic acid (RNA) C. enzymatic action that brings two reacting molecules together synthesis reaction in which two amino acids combine to form a dipeptide. E. two nucleotide strands of DNA molecule. MATCHING - Refer to PRINCIPLES OF CELLULAR LIFE Figure for Nos. 88-89 88. Figure "C" is a diagram of the A. saturated fatty acid with single covalent bonds between carbon atoms. B. unsaturated fatty acid with one or more double covalent bonds between carbon atoms. C. phosphate group- sugar- nitrogenous base nucleotide D. protein containing carbon, hydrogen, oxygen, and nitrogen bound tog E. lipid containing carbon, hydrogen, and oxygen. 89. Figure "D" is a diagram of the A saturated fatty acid with single covalent bonds between carbon atoms. 8. unsaturated fatty acid with one or more double covalent bonds between carbon ator phosphate group-sugar-nitrogenous base nucleotide . protein containing carbon, hydrogen, oxygen, and nitrogen bound together by cov lipid containing carbon, hydrogen, and oxygen. 10

Explanation / Answer

84) The correct option is C. is seen NaCl.

NaCl is an example of an ionic compound. The Na atom loses an electron to become Na+ and Cl atom gains an electron to become Cl-.

85) The correct is E. both B and C.

Nucleotides consist of three subunit molecules: a nitrogenous base, a five-carbon sugar such as ribose or deoxyribose and at least one phosphate group.DNA and RNA are polymers and nucleotides are their monomers.

86) The correct option is E. two nucleotide strands of DNA molecule.

Each molecule of DNA is formed from two complementary strands of nucleotides, which is held together by hydrogen bonds between G-C and A-T base pairs.

87) The correct option is B. ribonucleic acid(RNA).

RNA stands for ribonucleic acid. It has long chains of nucleotides. RNA contains a nitrogenous base, a ribose sugar and a phosphate.

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