Answer:
B
Explanation:
It transports blood round the body
Answer:
The first option that is marked is correct.
Explanation:
Ionic bond is much stronger than the hydrogen bonding thus
it would require a large amount of energy to separate them for replication or transcription.
Answer:
Nucleic Acids
Explanation:
Between carbohydrates, lipids, proteins, and nucleic acids, DNA and RNA molecules most accurately fall under the macromolecular category of nucleic acids.
Explanation:
The influence from radioactivity is inversely proportional to the number of chromosomes , since , humans have more DNA , chromosomes than the insects , and therefore , due to less chromosomes in insects , they are more resistant towards radioactivity .
As the target of the radiation is the DNA .
Hence , It is clear that insect due to lesser DNA are less prone to Radiations .