Question

Question 1 (1 point)

RNA is limited only to storing genetic information regarding cell construction, integration, and maintenance while DNA is capable of performing several functions, owing to the variety of nucleic bases it contains.

Question 1 options:

	a) True
	b) False

Question 2 (1 point)

The natural selection process helps retain both beneficial and harmful mutations, thus resulting in the evolution of a species.

Question 2 options:

	a) True
	b) False

Question 3 (1 point)

A virus has an internal metabolic system, but can also survive by attaching itself to a cell, taking control of the metabolism of their host cell.

Question 3 options:

	a) True
	b) False

Question 4 (1 point)

The digestive system quickly processes simple carbohydrates; whereas, complex carbohydrates take more time, as they need to be broken down into individual carbohydrates, which are later digested.

Question 4 options:

	a) True
	b) False

Question 5 (1 point)

The main source of cellular energy, ATP, is derived through oxidation of glucose, which takes place in the cytosol.

Question 5 options:

	a) True
	b) False

Answer 1

Q1) The statement is False.

Genetic information is stored in DNA whereas the RNA performs diverse functions like Gene expression, act as Structural component or ribosomes, rRNA and tRNA, possess enzymatic qualities (Ribozyme) and also aid in the transportation of aminoacids (tRNA) for protein synthesis. RNA also possesses some modified bases in addition to normal bases (A, G, C and U).

Q2) The statement is Fasle.

Natural selection occurs be eliminating harmful mutations and retain beneficail mutations which leads to the selection of individuals. The individuals possessing beneficial mutations have evolutionary advantage over the individuals with harmful mutations. the beneficial mutations get accumulated over a period of time and result in the evolution of species over a period of time.

Q3) The statement is False.

Although viruses have their genetic matrial and some structural proteins but they donot have any internal metabolic system. they depend entirely on host machinery for their survival and reproduction.

Q4) The statement is true.

Simple carbohydrates are digested easily and directly assimilated whereas complex carbohydrates need to be digested first and hence takes more time than simple carbohydrates to process.

Q5) The statement is False.

Much of the ATP is produced by oxidation of glucose, but the process occurs in Cytosol and mitochondria. In cytoplasm, glycolysis occurs and in mitochondria Krebs' cycle occurs. The mitochondrial ETC ultimately contributes to oxidative phosphorylation which is the major source of ATP production.

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