Which of the following statements is wrong?
Prime numbers are only divisible by 1 and themselves
All odd numbers are prime
1 is a prime number
2 is the only even prime number
Related Questions
Following are the statements with reference to βlipidsβ.
a) Lipids having only single bonds are called unsaturated fatty acids
b) Lecithin is a phospholipid.
c) Trihydroxy propane is glycerol.
d) Palmitic acid has 20 carbon atoms including carboxyl carbon.
e) Arachidonic acid has 16 carbon atoms.
Choose the correct answer from the options given below.
(b) and (c) only
(b) and (e) only
(a) and (b) only
(c) and (d) only
Amino acids the substituted methanes. Name the four substituent groups occupying the four valency positions
Hydrogen, carboxyl group, amino group and a variable group (R )
Two carboxyl groups amino group and OH
Two hydrogen, one carboxyl group, amino group and a variable group (R )
Two amino groups, one hydrogen and one carboxyl group
The physical and the chemical compositions of amino acids are essentially of the
Only the carboxyl group
Only the R-functional group
Amino, carboxyl and R groups
Only amino group
Which of the following is the simplest amino acid?
Tyrosine
Asparagine
Glycine
Alanine
A bond formed between carboxyl group of one amino acid and amino group of adjacent amino acid, is called
Peptide bond
Hydrogen bond
Covalent bond
All of these
Amino acids are mostly synthesized from?
mineral salts
fatty acids
volatile acids
ketoglutaric acid
Which one of the following statements is wrong?
A square is a rhombus
A rectangle is a parallelogram
A rhombus is a square
A parallelogram is a trapezium
Identify the incorrect pair.
Lectins - Concanavalin A
Drugs - Ricin
Alkaloids - Codeine
Toxin - Abrin
How many of the twenty two amino acids are essential for children?
6
8
10
7
The amino acid Tryptophan is the precursor for the synthesis of:
Melatonin and Serotonin
Thyroxine and Triiodothyronine
Estrogen and Progesterone
Cortisol and Cortisone
