Justify the following giving suitable reasons.
a) Mitochondria is known as the power house of the cell.
b) Lysosomes are known as the suicidal bags of cell.
c) Nucleus is known as the brain of the cell.
d) Chromosomes are called hereditary vehicles.
Answers
ANSWER
(a) Mitochondria are known as the powerhouse of the cell because it is responsible for the extracting energy from food through cellular respiration. The energy is released in the form of adenosine triphosphate (ATP). It is an energy currency of the cell.
(b) Lysosomes are known as suicide bags of the cell because they contain lytic enzymes capable of digesting cells and unwanted materials. autolysis and burst open when the cell is damaged. ... The released enzymes then digest their own cell, causing the cell to die. As a result, they're known as cell suicide bags.
(c) The nucleus is known as the 'brain of the cell' because the nucleus coordinates all the cell's activities. It contains genetic material called chromosomes made of DNA and transfers it from parents to offspring
(d) Chromosomes contain genes which carry hereditary characteristics of a particular person i.e shortness, tallness, brown eye colour etc. ... Chromosomes are called hereditary vehicles because they are inherited to the offspring from their parents and to their offspring from them.
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