Page 13 - Pharmacy College Admission Test Review Book

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Since ribosomes play an important role in the
Eukaryotic Cells synthesis of protein, the granular endoplasmic
reticulum is well developed in the cells actively
Cell Organelles Plant Cell Animal Cell engaged in protein synthesis. Example: cells

Nucleus Present Present secreting digestive enzymes, e.g. gastric and
pancreatic cells.
Nuclear Present Present

membrane Smooth endoplasmic reticulum is found to be
well developed in the cells involved in the
Nucleolus Present Present
secretion of steroids. Example: cells producing
Chromosomes DNA + Protein DNA + Protein sex hormones.

Cell wall Present Absent
8. (c). Lysosomes are the major source of
Plasma Present Present
digestive enzymes. They develop from the Golgi
membrane body. There are different digestive enzymes in
Lysosomes. These enzymes are capable of
Mitochondria Present Present
digesting any biomolecules or organelles. They
Chloroplast Present Absent also digest and destroy pathogenic

Vacuoles Present Absent microorganisms. The enzymes present in the
Lysosomes are not dangerous as long as they
Golgi body Present Present
encapsulated within lysosome-membrane, but
Endoplastic Present Present may digest and thus destroy the organelles of
the cell when they are released from the
reticulum
ruptured membranes of Lysosomes.
Centrosome Absent Present
Ribosome Present Present 9.(c) The oxidation of one glucose molecule
gives 6 molecules of H O, 38 molecules of ATP
2

and 6 molecules of CO during one Krebs’s
7. (d) Endoplasmic reticulum is a 2
concentrically arranged tabular system in the cycle.
area of cytoplasm. It is visible in the cytoplasm
of all the Eukaryotic cells except sperm and egg 10.(d) Chlorophyll plays an important role in
cells. There are two types of endoplasmic the process of photosynthesis. The molecules
reticulum: of chlorophyll are located in thylakoids. In the
chloroplast, a unit formed by the stacks of
1. Granular double walled lamellae arranged like a pile of
2. Smooth coins is known as granum. Each two-layer
independent unit is known as the thylakoids.
Granular endoplasmic reticulum has ribosomes Chloroplasts are found only in green plants. The
on the outer surface which give it a granular function of chloroplast is photosynthesis. In this
texture; hence it is called granular endoplasmic process, the molecules of chlorophyll generate
reticulum. The smooth endoplasmic reticulum chemical energy by using solar energy, and
does not have any ribosomes on the surface. synthesize carbohydrate type organic
compounds like glucose from water and carbon
dioxide.

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