HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

Give scientific reasons:

On boiling egg albumin becomes opaque white.

The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.

The polynucleotide is double stranded. (_______)

The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.

The polynucleotide contains uracil. (________)

The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.

The polynucleotide contains D-ribose. (_______)

The following statement applies to DNA only, some to RNA only, and some to both. Label them accordingly.

The polynucleotide contains guanine. (_______)

Write the sequence of the complementary strand for the following segment of a DNA molecule.

5' - CGTTTAAG - 3'

Write the sequence of the complementary strand for the following segment of a DNA molecule.

5' - CCGGTTAATACGGC - 3'

Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.

Write the names and schematic representations of all the possible dipeptides formed from alanine, glycine and tyrosine.

Give two evidences for presence of formyl group in glucose.

Draw a neat diagram for the following:

Haworth formula of glucopyranose.

Draw a neat diagram for the following:

Zwitter ion

Draw a neat diagram for the following:

Zwitter ion

Draw a neat diagram for the following:

Haworth formula of maltose

Draw a neat diagram for the following:

Secondary structure of protein

Draw a neat diagram for the following:

Secondary structure of protein

Draw a neat diagram for the following:

dAMP

Draw a neat diagram for the following:

One purine base from nucleic acid

Draw a neat diagram for the following:

Enzyme catalysis

Draw a neat diagram for the following:

Enzyme catalysis