Name the organelles which show the analogy written as under:
a. Transporting channels of the cell
b. Power house of the cell
c. Packaging and dispatching unit of the cell
d. Digestive bag of the cell
e. Storage sacs of the cell
f. Kitchen of the cell
g. Control room of the cell
Answers
A. Transporting channel of cell
ENDOPLASMIC RECTICULUM
B. Power house of cell
MITOCHONDRIA
C. Packaging and dispatching unit of the cell
GOLGI BODY
D. Digestive bag of cell
LYSOSOMES
E. Storage sacs of the cells
VACUOLE
F. Kitchen of the cell
CHLOROPLAST
G. Power house of cell
NUCLEUS
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Answer:
a. Endoplasmic reticulum
The endoplasmic reticulum is a large network of membrane bound tubes. A cell has two types of endoplasmic reticulum membrane. One is smooth endoplasmic reticulum and the other is rough endoplasmic reticulum. The rough endoplasmic reticulum is attached with ribosomes which make it look rough. Hence, because of the attachment of ribosomes in rough endoplasmic reticulum, it is basically e a site of protein manufacture. The smooth endoplasmic reticulum helps in the manufacture of fat molecules and lipids. The fats and proteins produced by endoplasmic reticulum is used in the membrane biogenesis and as enzymes and hormones.
b. Mitochondria
A mitochondria is said to be the powerhouse of the cell. The energy required for chemical activities inside the cell is produced by the mitochondria in the form of adenosine triphosphate or ATP. Hence, ATP is said to be the energy currency of cell. A mitochondria has its own DNA and ribosomes. They are able to make proteins for themself. A mitochondria is two membrane bound.
c. Golgi apparatus
The Golgi apparatus is a membrane bound vesicles arranged parallel to each other. These are often connected to endoplasmic reticulum. The materials like proteins and lipids synthesized in endoplasmic reticulum is packaged and dispatched from the Golgi apparatus. These materials are packed in vesicles. The Golgi apparatus is also involved in the formation of lysosomes.
d. Lysosomes
Lysosomes are said to be the waste disposal of the cell. The lysosomes help in cleaning the the cell and digesting foreign materials. They also digest the worn out cell organelles. It has a powerful digestive enzymes which are able to digest any material. They are also called as suicidal bags because when there is a disturbance in the cellular metabolism the lysosomes burst and release the enzymes so that the whole cell is digested. They are membrane bound. The enzymes are made by rough endoplasmic reticulum.
e. Vacuoles
The vacuoles are storage sacs for different contents. They a small or there is no presence of vacuoles in animal cells but there very large in plant cells. It provides rigidity and turgidity to the cell in plants. These store protein amino acids, sugars and various organic acids which are important in life of plant cells.
f. Chloroplast
The chloroplast is a type of plastid which is only present in plant cells. However, plastics are cell organelles which have no presence in animal cells. The two types of plastids known are chromoplast and leucoplast. The chromoplast is coloured plastid whereas leucoplast is white or colourless. The another type of plastid is chloroplast which is important for photosynthesis in plants. Sometimes, the chloroplast may also contain yellow orange pigments instead of chlorophyll which makes it green.
g. Nucleus
The nucleus is said to be the brain of the cell for the control room of the cell. It has double layer covering which is known as nuclear membrane. The nuclear membrane has small pores which allow the transfer of material between the nucleus and cytoplasm. The nucleus contains chromosomes. The chromosomes are responsible for carrying information related to inheritance of features from parents to next generation in the form of deoxyribonucleic acid or DNA. The nucleus place a central role in cellular reproduction. It determines how a cell will develop and directs the chemical activities of the cell.
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