Home
Class 12
BIOLOGY
Read following statements (1-4). 1. In...

Read following statements (1-4).
1. In transcriptoin, adenine pairs with uracil.
2. Regulation of lac operon by repressor is referred to as positive regulation.
3. The human genome has approximately 50,000 genes.
4. Haemophilia is a sex - linked recessive disease.
How many of the above statements are right ?

A

Four

B

One

C

Two

D

Three

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the following four statements (A-D) ltbr gt In transcription, adenosine pair uracil Regulation of lac operon by repressor is refferred to as positive regulation The human genome has approximately 50,000 genes ltbr gt Haemophilia is sex - linked recessive disease How many of the above statements are right

Read statements a-d . (a) In transcription, adenosine pairs with uracil (b) Regulation of lac operon by repressor is positive regulation (c) Human genome has approximate 50,000 genes (d) Haemophilia is sex-linked recessive disease How many of above statement are correct ?

How many of these statements are correct ? (i) In transcription , adenosine pairs with uracil. (ii) Regulation of lac operon by a repressor is referred to as positive regulation . (iii) The human genome has approximately 50,000 genes. (iv) DNA fingerprinting utilizes VNTRs and RFLP.

Read the following statements (i) to (iv) (i) During transcription, adenine pairs with uracil. (ii) The human genome has about 98% of junk DNA. (iii) A human gene on an average contains 300 bps and there are about 30,000 genes in the human genome. (iv) Y - chromosome of the human genome has the least number of genes , i.e., 321 in the human genome. How may statements are CORRECT ?

Read the following statements 1) It is paired structure 2)It is present on either side of urethra 3)It helps in lubrication of penis In above statements, -it- refers to

Consider the following statements : 1. The orthocentre of a triangle always lies inside the triangle. 2. The centroid of a triangle always lies inside the triangle. 3. The orthocentre of a right angled triangle lies on the triangle. 4.The centroid of a right angled triangle lies on the triangle. Which of the above statements are correct ?

Read the following statements(A-D) 1. Hypothalamus controls body temperature,eating and drinking 2.The midbrain receives and integrates visual,tactile and auditory inputs 3.The medulla contains centres,which control respiration,cardiovascular reflexes and gastric secreations 4. The entire process of involuntary response to a peripherical nerve stimulation is called reflex action. How many of the above statements are true?