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 the RNA becomes 998 bases, how many codons will be altered?
1
11
33
33
C.
33
The association of histone H1 with a nucleosome indicates:
Transcription is occurring
DNA replication is occurring
The DNA is condensed into a Chromatin Fibre
The DNA is condensed into a Chromatin Fibre
C.
The DNA is condensed into a Chromatin Fibre
Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement
Both are due to a qualitative defect in globin
chain synthesis
Both are due to a quantitative defect in globin chain synthesis
Thalassemia is due to less synthesis of globin molecules
Thalassemia is due to less synthesis of globin molecules
C.
Thalassemia is due to less synthesis of globin molecules
DNA fragments are
Positively charged
Negatively charged
Neutral
Neutral
B.
Negatively charged
DNA fragments are negatively charged because of phosphate group