Biomolecules practice · Mixed difficulty

The molecular weight of bio micromolecules found in acid soluble pool ranges between

A competitive inhibitor, competes with the substrate, for the substrate binding site of enzymes due to its

Which one of the following statements is wrong?

DNA and RNA, both are types of nucleic acid. Figure out the correct statements concerning DNA and RNA from below.
I. Adenine and guanine are bases that have a double ring structure.
II. An adenine nucleotide from DNA is the same as an adenine nucleotide from RNA; in DNA, adenine pairs with thymine and in RNA adenine pairs with uracil.
III. The base pairing that occurs in a double DNA helix and when RNA is synthesised during transcription, it follows the rule that a purine pairs with a pyrimidine.
IV. The two polynucleotide strands of a DNA molecule run in opposite directions so that the double helix formed has two strands that are parallel to each other.

The metabolic flow is called

When a metabolic disequilibrium is in effect, then only cells continue to function
How do cells avoid reaching metabolic equilibrium?

Select the correct which represents the homopolysaccharides made up of glucose monomers

If the DNA of a zygote has adenine, thymine in the gametic DNA is

In animal tissues, the categories of compounds present are called

Select the incorrect statement.

All the following amino acids aromatic, except

___ is the most abundant protein in animal world and ___ is the most abundant protein in the whole biosphere?

Which of the following are not polymeric?

Cellulose is made up of

Name the plant pigments present in the following I. Carrots II. Tomatoes

Aminoacids, as the name suggests, have both an amino group
and a carboxyl group in their structure. In addition, all naturally
occurring aminoacids (those which are found in proteins) are
called L-aminoacids. From this, can you guess from which
compound can the simplest aminoacid be made?

The physical and the chemical compositions of amino acids are essentially of the

Which of the following statement(s) are/is correct?
I. In the process of metabolism, all organic biomolecules are constantly being broken down but not being built up through chemical reactions
II. A product of metabolism in called a metabolite, but not always
III. Metabolism is always known to built up new products
IV. Metabolism is the characteristic feature of non-living things

Assertion: DNA is called deoxyribonucleic acid.
Reason: DNA is nucleic acid containing deoxyribose sugar

Table sugar consists of

How many Nucleotides are present in 170 ${A^ \circ }$ length of DNA

Sugar and amino acids are

Glycosidic bond is seen in

For a protein to have a quaternary structure, it must

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it ?

A typical fat molecules is made up of:

Following are the statements with reference to lipids. Pick the correct pair
I. Lipids having single bonds are unsaturated fatty acids
II. Lecithin is phospho lipid present in plasma membrane
III. Glycerol is chemically trihydroxypropane
IV. Palmitic acid contain 20 carbons including carboxyl group

What is the length of a fragment of dsB-DNA, if it is consisting of 500 H.B and 100 Adenine molecule

Statement-I : Starch $-\mathrm{I}_2$ is blue as starch can hold $\mathrm{I}_2$ molecules but cellulose cannot hold $\mathrm{I}_2$

Statement-II : Starch is a homopolymer whereas cellulose is a heteropolymer

Richest source of protein is