Which is correct about nucleic acid?
DNA
RNA
DNA and RNA
spherosomes
A polysaccharide, which is synthesized and stored in liver cells, is ______________.
Lactose
galactose
arabinose
glycogen
A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is _________________.
120
240
60
480
Living cell contains 60 - 75% water. Water present in human body is ________________.
60 - 65%
50 - 55%
75 - 80%
65 - 70%
Mineral associated with cytochrome is ________________.
Cu
Mg
Fe and Mg
Fe and Cu
Glycogen is a polymer of ________________.
glucose
fructose
sucrose
The four elements making 99% of living systems are ______________.
CHOS
CHOP
CHON
CNOP
Which is wrong about nucleic acids?
DNA is single stranded in some viruses
RNA is single stranded occasionally
Length of one helix is 45 Å in B -DNA
One turn of Z - DNA has 12 bases
The pyrenoids are made up of _______________.
proteniaceous centre and starchy sheath
core of protein surrounded by fatty sheath
core of starch surrounded by fatty sheath
core of nucleic acid surrounded by protein sheath
In which one of the following groups, all the three are example of polysaccharides?
starch, glycogen, cellulose
sucrose, maltose, glucose
glucose, fructose, lactose
Galactose, starch, sucrose
