Answer: A single strand
Explaination:RNA and DNA are macromolecules made up of nucleotides organised in chains. DNA has double strands organised in a helical shape.
Lamarck's hypothesis of evolution was based on the theory of acquired inheritance.
Answer:
False
Explanation:
The poles are covered by Ice at most seasons of the year
Answer:
Organisms with variations that makes best suited to their environment are more likely to survive.
(Darwin's theory)
Answer:
The correct answer is - false statement.
Explanation:
The statement mentioned in question explaining the process of metabolism. Metabolism is a procedure that includes catabolic and anabolic process that which are chemicals reactions takes place in the body. Metabolism is breaking large molecules into simpler and simpler molecules to synthesizing complex molecules from simpler molecules.
Digestion is the process in which ingested food break down to simpler substances and absorbed to provide nutrients to body.
Thus, the correct answer is - false statement.