Protein is a polymer made of
Carbohydrates
Amino acids
Nucleic acids
Carboxylic acids
B.
Amino acids
Protein is a polymer, made of amino acids, the monomer of protein (i.e. a single amino acid) contain both the groups i.e. amine and carboxylic group in its molecule, e.g.
Enzymatic reactions are given in Column I and enzymes in Column II.
Column I | Column II |
A. Maltose → Glucose | i. Zymase |
B. Sucrose → Glucose + Fructose | ii. Pepsin |
C. Glucose → Ethyl alcohol + CO2 | iii. Maltase |
D. Starch → Maltose | iv. Invertase |
E. Proteins → Amino acids | v. Diastase |
Choose the correct matching of enzymatic reaction and enzyme that catalyses the correct reaction from the codes given below.
A - ii; B - iv; C - v; D - iii; E - i
A - iii; B - iv; C - i; D - v; E - ii
A - v; B - iv; C - ii; D - i; E - iii
A - v; B - iii; C - iv; D - ii; E - i
The letter 'D' in D-carbohydrates represents
Dextrorotation
Direct synthesis
Configuration
Mutarotation
In DNA, the consecutive deoxynucleotides are connected by
phosphodiester linkage
phosphomonoester linkage
phosphotriester linkage
amide linkage
In double strand helix structure of DNA, heterocyclic base cytosine forms hydrogen bond with
Adenine
Guanine
Purine
Uracil
What type of sugar molecule is present in DNA?
D-3-deoxyribose
D-ribose
D-2-deoxyribose
D-glucopyranose