INTRODUCTION (CYTOLOGY) Flashcards
It is the science concerned with the chemical basis of life:
A. Biology
B. Pharmacology
C. Biochemistry
D. Physics
E. Geology
C. Biochemistry
Organelle – free cell sap where metabolic pathways such as glycolysis, glycogenesis, and fatty acid synthesis is commonly seen on:
A. Cytoplasm
B. Cytosol
C. Mitochondrion
D. Endoplasmic reticulum
E. Nucleus
B. Cytosol
Which of the following cellular structures is unique in eukaryotes?
A. Plasma membrane
B. Internal cellular membrane
C. Ribosomes
D. Endoplasmic Reticulum
E. Golgi apparatus
B. Internal cellular membrane
It is the organelle which serves as the site of the electron transport chain:
A. Mitochondria
B. Ribosome
C. Nucleus
D. Lyososome
E. Golgi body
A. Mitochondria
Site of lipid synthesis in cells:
A. Golgi apparatus
B. Lysosome
C. Nucleolus
D. Smooth Endoplasmic reticulum
E. Nucleus
D. Smooth Endoplasmic reticulum
This organelle is referred to as “suicide bag” due to the presence of enzymes:
A. Lysosome
B. Peroxisome
C. Chromatin
D. Mitochondria
E. Endoplasmic reticulum
A. Lysosome
The ________ is the most important measure used to distinguish ribosomes:
A. subunit
B. molecular weight
C. svedberg
D. seconds
E. Both A and B
C. svedberg
All of the following are present only on plant cell, except:
A. Cell wall
B. Plastids
C. Mitochondria
D. Vacuoles
E. C and D
E. C and D
Bacterial cell wall : Peptidoglycan; Plant cell wall: ________
A. Cellulose
B. Nucleic acid
C. Starch
D. Glycogen
E. Plasmid
A. Cellulose
Which statement is/are correct?
A. Endoplasmic reticulum (ER) is a system of fluid – filled cisterns
B. Smooth ER is responsible for protein synthesis
C. Rough ER is the site for protein synthesis
D. Statement B and C are correct
E. All of these
C. Rough ER is the site for protein synthesis
____________ are small, extrachromosomal circular DNA molecules present in eukaryotes:
A. Nucleoli
B. Genes
C. Chromosomes
D. Plasmids
E. Histones
C. Chromosomes
An organelle is the portion of a cell enclosed by a membrane. Based on this, which of the following is not strictly an organelle?
A. Mitochondria
B. Lysosome
C. Ribosome
D. Endoplasmic reticulum
C. Ribosome