Sanger first sequenced the protein called ____________.

(a)

Inulin

(b)

Glycine

(c)

Insulin

(d)

Peptidase

The activity of salivary amylase is increased in the presence _________ of ions.

(a)

Na

(b)

Cl

(c)

H₂O

(d)

NH₃

The middle lamella is made up of ___________.

(a)

Muramic acid

(b)

Calcium pectate

(c)

Phosphoglycerol

(d)

Hemicellulose

Find out the mismatched pairs:

(a)

Protein - Important components of nucleus

(b)

Nucleic acid -Major components of chromosomes

(c)

Amino acid - An amphoteric compound

(d)

Enzymes - Colloidal catalysts

Which are the structural units of DNA?

(a)

Nitrogen base

(b)

Pentose sugar

(c)

Nucleotide

(d)

Phosphoric acid

How is peptide bond formed?

What are the three types of RNA?

Give a short note on tRNA.

What are the component percentage of the total cellular mass?

How waxes are formed?

Differentiate between competitive and Allostreic

Mention the properties of water

Write a short note on Lock and Key Mechanism of Enzyme

Why the sugar in DNA is a deoxyribose?

How will you identify the presence of protein in food samples?

Write the characteristic features of DNA.

Enumerate the main differences between DNA and RNA

How will you identify the presence of glucose in a given food sample.

Compare DNA with RNA.