MCQ
$DNA$ was first discovered by
  • A
    Beadle and Tatum
  • B
    Watson and Crick
  • Friedrich Miescher
  • D
    Kornberg

Answer

Correct option: C.
Friedrich Miescher
c
It's Obvious

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Silencing of mRNA has been used in pro- ducing transgenic plants resistant to:
Which of the following steps are involved in the process of recombinant biotechnology? Arrange in correct order

$I.$ Extraction of the desired gene product

$II.$ Amplification of the gene of interest

$III.$ Isolation of a desired $DNA$ fragment

$IV.$ Ligation of the $DNA$ fragment into a vector

$V.$ Insertion of recombinant $DNA$ into the host

Correct order is

Signals for parturition in human female originate from
Arrange the various steps of $DNA$ fingerprinting technique in the correct order

$(I)$ Separation of $DNA$ fragment by electrophoresis.

$(II)$ Digestion of $DNA$ by restriction endonucleases.

$(III)$ Hybridization using labeled $VNTR$ probe

$(IV)$ Isolation of $DNA$.

$(V)$ Detection of hybridized $DNA$ fragments by autoradiography.

$(VI)$ Transferring of separated $DNA$ fragment to synthetic membranes.

The Cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of _________.
Decrease in number of trees may cause:
Which one of the following has maximum genetic diversity in India?
Single cell protein refers to:
$A$ : The interaction between sea anemone and clown fish is commensalism.
$R$ : The fish gets protection from predators but anemone does not appear to derive any benefit.
Which of the following have been found to be very effective as emergency contraceptive as they could be used to avoid possible pregnancy due to rape if given within $72$ hours?

$A.$ Administration of progestogens
$B.$ Progestogen-estrogen combination
$C.$ $IUDs$ inserted within $72$ hours of coitus