Which statement is correct for biomolecules
Which statement is correct for biomolecules
- A
$DNA $ is a polymer of ribonucleotides
- B
All carbohydrates break down into glucose
- C
$RNA $ is single stranded and contain different purine base than $DNA$
- D
Sequence of amino acids determine primary structure of proteins
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Which of the following is the most evident source of evolution
Which of the following is the most evident source of evolution
The basic unit of animal population which is communal interbreeding, in a species is known as
The basic unit of animal population which is communal interbreeding, in a species is known as
The presence of salts ($NaCl$ and others) in animal body fluid gives an inference that life originated in the
The presence of salts ($NaCl$ and others) in animal body fluid gives an inference that life originated in the
Given below some major events in the early history of life
$I.$ First heterotrophic prokaryotes
$II.$ First eukaryotes
$III.$ First autotrophic prokaryotes
$IV.$ First animals
Choose the correct sequence of these evolutionary events
Given below some major events in the early history of life
$I.$ First heterotrophic prokaryotes
$II.$ First eukaryotes
$III.$ First autotrophic prokaryotes
$IV.$ First animals
Choose the correct sequence of these evolutionary events
$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.
$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.