Nucleoproteins and Nucleic Acids (Pre - Test)

What are the protein components of nucleoproteins?

• Fibrinogen, globulin, thrombin

• Hemoglobin, myoglobin, insulin

• Albumin, histones, protamines

• Collagen, elastin, keratin

Where are nucleoproteins abundantly found?

• Lungs, heart, brain

• Stomach, intestines, esophagus

• Skin, hair, nails

• Thymus, liver, spleen, kidney

What is the main function of DNA?

• Translation of information into protein structures

• Storage of genetic information

• Biosynthetic function of ribosomes

• Act as co-factors to enzymes promoting energy transfer

What are the pyrimidine bases in RNA?

• Cytosine (C) and thymine (T)

• Adenine (A) and thymine (T)

• Cytosine (C) and uracil (U)

• Adenine (A) and guanine (G)

What is the elemental composition of nucleic acids?

• Carbon, hydrogen, oxygen, nitrogen, phosphorus

• Carbon, hydrogen, oxygen, nitrogen, iron

• Carbon, hydrogen, oxygen, nitrogen, sulfur

• Carbon, hydrogen, oxygen, nitrogen, calcium

What is the structure of DNA?

• Single stranded

• Double stranded

• Triple stranded

• Quadruple stranded

What is the function of mRNA?

• Binding and carrying activated amino acids to ribosomes

• Biosynthetic function of ribosomes

• Serves as adapter in translation

• Template for protein synthesis

What is the structure of tRNA?

• Quadruple stranded

• Single stranded

• Triple stranded

• Double stranded

What is the main function of rRNA?

• Binding and carrying activated amino acids to ribosomes

• Serves as adapter in translation

• Template for protein synthesis

• Biosynthetic function of ribosomes

What is the structure of nucleosome?

• Double stranded RNA

• Single stranded DNA

• Proteins wrapped around a core of DNA

• DNA wrapped around a core of proteins