Why is DNA molecule more stable genetic meterial than RNA? OR DNA is more stable than RNA. Justify/Give reason.

Justify the statements . If the answer is false , change the underlined word(s) to make the statement true . i. The DNA molecule is double stranded and the RNA molecule is single stranded . ii. The process of translation occurs at the ribosome . iiii. The job of mRNA is to pick up amino acids and transport them to the ribosomes . iv Transcription must occur before translation may occur .

Recall the experiments done by Frederick Griffith, Avery, MacLeod and McCarty, where DNA was speculated to be the genetic material. If RNA, instead of DNA was the genetic material, would the heat killed strain of Pneumococcus have transformed the R- strain into virulent strain? Explain

Why is colour blindness more prevalent in males than in females? OR Why do more men suffer from heamophilia as compared to women?

Why is it beneficial to use satellite launch vehicles made of more than one stage?

Why do stable nuclei never have more protons than neutrons?

During the course of evolution why DNA was chosen over RNA as genetic material? Givereasons by first discussing thedesired criteriain a molecule that can act as genetic material and in the light of biochemical differences between DNA andRNA.

Why do stable nuclei have more neutrons than protons?

Justify the statements. If the answer is false, change the underlined word(s) to make the statement true: The DNA molecule is double stranded and the RNA molecule is single stranded.