Protein synthesis in an animal cell occurs
Only on the ribosomes present in cytosol
On ribosomes present in cytoplasm as well as in mitochondria
Only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
On ribosomes present in the nucleolus as well as in cytoplasm
Full Forms : E. coli
Which of the following statements are correct?
$i. r-RNA$ provides the template for synthesis of proteins.
$ii.$$ t-RNA$ brings amino acids and reads the genetic code.
$iii. $$RNA$ polymerase binds to promoter and initiates transcription.
$iv. $A segment of $DNA$ coding for polypeptide is called intron.
Which one of the following statements about the particular entity is true ?
Differentiate between the followings:
$(a)$ Repetitive $DNA$ and Satellite $DNA$
$(b)$ $mRNA$ and $tRNA$
$(c)$ Template strand and Coding strand
After a mutation at a genetic locus the character of an organism changes due to the change in