Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet” (AIPMT - 2009)

Related MCQs

• Select the correct answer / answers from the following 1. Ligase :- Joins short segments of DNA together 2. DNA Polymerase :- cuts DNA at specific sequence 3. Helicase :- Breaks the hydrogen bonds between complementary pairs during DNA replication 4. Gyrase : - Joins weak hydrogen bonds between complementary pairs
• In the genetic code dictionary how many codons are used to code for all the 20 essential amino-acids? (AIPMT - 2003)
• Match the following. Column – 1 Column – 2 (p) National Bureau of Plant (I) Conservation of biodiversity Genetic Resources (q) World Wild life Fund (ii) Conservation of gene of domesticated animal (r) National Bureau of fish (iii) Conservation of gene of crop plant Genetic Resources (s) National Bureau of Animal (iv) Conservation of gene of Economically valuable Genetic Resources species
• Select the correct option from Column-I and Column-II. Column-I Column-II (A) G1 phase (p) Synthesis of new DNA (B) G2 phase (q) Synthesis of DNA does not occur (C) S phase (r) DNA synthesis stops
• The organizations whose genetic material has been altered using genetic engineering is called as -
• Which one of the following triplet codes, is correctly matched with its specificity for an aminoacid in protein synthesis or as ‘start’ or ‘stop’ codon ?
• Two bacteria found to be very useful in genetic engineering experiments are......
• .The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to having AIPMT - 2009
• . Sickle cell anemia is AIPMT - 2009
• .Which one of the following can not be explained on the basis of Mendel's law of dominance? AIPMT - 2009