MCQ
Formation of mRNA from DNA is called as:
- ATranslation
- BTranscription
- CTransformation
- DTransduction
Explanation:
Formation of mRNA from DNA is called as transcription. Transcription is when RNA is made from DNA. During transcription, RNA polymerase makes a copy of a gene from the DNA to mRNA as needed. During transcription, the DNA site at which RNA polymerase binds is called as promoter. Transcription commences with one or more sigma factor protein binds to the RNA polymerase holoenzyme, allowing it to bind to promoter DNA. RNA polymerase creates a transcription bubble, which separates the two strands of the DNA helix. This is done by breaking the hydrogen bonds between complementary DNA nucleotides.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
|
$(a)$ |
$(b)$ |
$(c)$ |
|
$1.$ Typhoid |
$a.$ Virus |
$P.$ Nose |
|
$2.$ Malaria |
$b.$ Bacteria |
$Q.$ Liver cells |
|
$3.$ Common cold |
$c.$ Protozoans |
$R.$ Small intestine |
Assertion $A$ : Amniocentesis for sex determination is one of the strategies of Reproductive and Child Health Care Programme.
Reason $R$ : Ban on amniocentesis checks increasing menace of female foeticide.
In the light of the above statements, choose the correct answer from the options given below.