How many types of nucleic acids are found in living systems?
Which nucleic acid, in some viruses, can also act as genetic material?
The process of making RNA from DNA is termed as
The genetic code
[A] is a sequence of nucleotides on rRNA
[B] determines the sequence of amino acid in proteins
[C] is universal in biological systems
[D] none of the above
The process of protein synthesis in biological systems is termed as
DNA is a polymer of
The length of DNA is defined in terms of
[A] No. of nucleotides
[B] Base pairs
[C] Both (a) and (b)
A bacteriophage &zye; x 174 has
[A] 5836 base pairs
[B] 5683 nucleotides
[C] 53 86 nucleotides
[D] 5638 base pairs
Bacteriophage lambda has _____ base pairs in nucleic acid (genetic material),
Which of the following holds true for Escherichia coli?
[A] E. coli has roughly 40 minutes of doubling time.
[B] E. coli is a parasite in human digestive tract.
[C] E. coli has 4.6 x 109 bp long genetic material.
[D] E. coli has 4.6 x 106bp long genetic material.
A nucleotide has the following components
[A] A phosphate group, nitrogenous base, a hexose sugar
[B] A phosphorous base, nitrogenous group, a ribose sugar
[C] A nitrogenous base, phosphate group, a ribose sugar
[D] A nitrogenous base, phosphate group, a hexose sugar
Which of the following is not a pyrimidine?
_____ is present in DNA only and _____ is present in RNA only
[A] Cytosine, thymine
[B] Thymine, uracil
[C] Uracil, thymine
[D] Thymine, cytosine
A nitrogenous base is linked to the pentose sugar through
[A] Phosphoester linkage
[B] O-Glycosidic linkage
[C] Phosphodiester linkage
[D] N-glycosidic linkage
In context of genetic material: Base + Sugar —>
[C] Nucleic acid