A novel species with double-stranded genetic material consists of 5 bases namely P , Q , R , S , T , with percentage given below. P Q R S T Percentage 22 28 22 12 16 Based on the above information, which one of the following inferences is not supported by the observations?

S base pairs with T and Q base pairs with R

S base pairs with Q and T base pairs with Q

P base pairs with R and S base pairs with Q

P base pairs with R and T base pairs with Q

EASY

Earn 100

The Watson-Crick structure of DNA is

100% studentsanswered this correctly

Important Questions on Biomolecules

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

In sea urchin DNA, which is double-stranded,

17 %

of the bases were shown to be cytosine. What are the percentages of other three bases expected to be present in this DNA?

EASY

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

Which of the following statements is correct?

HARD

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

DNA molecule has length of $476 \overset{\circ}{A}$ with $20 %$ guanosine. Choose the correct features of $DNA$

$I)$ $56 CTP$
$II)$ $336$ Hydrogen bonds
$III)$ Total $150$ nucleotides
$IV)$ $84 TTP$

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

Match the following lists:

	List $I$		List $II$
A)	X-ray diffraction data	$I)$	Chargaff
B)	DNA double stranded	$II)$	Meischer
C)	DNA double helix	$III)$	Wilkins
D)	DNA as an acidic substance	$IV)$	Watson $&$ Crick

The correct match is

EASY

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

If a double-stranded

DNA

has

15 %

cytosine, what is the

%

of adenine in the

DNA

?

HARD

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

A novel species with double-stranded genetic material consists of

5

bases namely

P, Q, R, S, T,

with percentage given below.

	$P$	$Q$	$R$	$S$	$T$
Percentage	$22$	$28$	$22$	$12$	$16$

Based on the above information, which one of the following inferences is not supported by the observations?

EASY

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

In the polynucleotide chain of

DNA

, a nitrogenous base is linked to the

- OH

of:

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

Choose the correct statements:
A) DNA directly codes for the synthesis of proteins
B) DNA and RNA both can function as genetic material
C) DNA is storage of genetic material and RNA transfers genetic information
D) RNA is indirectly codes for the synthesis of protein

EASY

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

Which of the following biomolecules does have a phosphodiester bond?

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

Watson and Crick model of DNA is

HARD

Biology>Cell : Structure and Functions>Biomolecules>Bond Linking Monomers in Polymers

A bacteriophage