Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I (nRNA codons) |
Column II (Amino Acid) |
I. GUG II. UGG III. UAC IV. GAG |
1. Tryptophan 2. Valine 3. Glutamic acid 4. Tyrosine |
Codes
I II III IV
(1) 1 2 3 4
(2) 2 1 4 3
(3) 2 1 3 4
(4) 1 2 4 3
If there are 999 bases in an RNA that codes for a protein with 333 amino acids and the base at position 901 is deleted such that the length of teh RNA becomes 998 bases, how many codons will be altered?
(1) 1
(2) 11
(3) 33
(4) 333
DNA fragments are
(1) positively charged
(2) negatively charged
(3) neutral
(4) either positively or negatively charged depending on their size
During DNA replication, Okazaki fragments are used to elongate
(1) The leading strand towards replication fork
(2) The lagging strand towards replication fork
(3) The leading strand away from replication fork
(2) The lagging strand away from replication fork
Spliceosomes are not found in cells of
(1) plants
(2) fungi
(3) animals
(4) bacteria
The final proof for DNA as the genetic material come from the experiments of
1. Griffith
2. Hershey and chase
3. Avery, Macleod and McCarty
4. Hargobind Khorana
The association of histone H1 with a nucleosome indicates
(1) transcription is occuring
(2) DNA replication is occuring
(3) the DNA is condensed into chromatin fibre
(4) the DNA double helix is exposed
Which of the following RNAs should be most abundant in animals cell ?
(1) rRNA
(2) tRNA
(3) mRNA
(4) miRNA
Taylor conducted the experiments to prove semi-conservative mode of chromosome replication on
(1) Vinca rosea
(2) Vicia faba
(3) Drosophila melanogaster
(4) E. coli
The equivalent of a structural gene is
(1) muton
(2) cistron
(3) operon
(4) recon