Which statement BEST describes the relationship between the nuclear envelope and the endoplasmic reticulum?
The nuclear envelope is entirely separate from the endoplasmic reticulum.
The inner membrane of the nuclear envelope is continuous with the smooth ER membrane.
The outer membrane of the nuclear envelope is continuous with the rough ER membrane.
The nuclear envelope is formed by invaginations of the Golgi apparatus.
Related Questions
In eukaryotic cells, genetic material or DNA is organised into
Chromosomes
Chromatin
Chromosomes and chromatin
None of the above
Which of the following is NOT a function associated with the smooth endoplasmic reticulum (SER)?
Lipid synthesis
Detoxification of drugs and poisons
Calcium ion storage
Glycosylation of proteins
Which of the following statements is INCORRECT regarding peroxisomes?
They are the primary site for protein synthesis.
They contain enzymes for lipid metabolism.
They play a role in detoxification of harmful substances.
They are membrane-bound organelles.
Centrosome is not present in
Cell of higher plants
Cell of lower plants
Cell of higher animals
Cell of lower animals
Which of the following organelles are NOT components of the endomembrane system?
Golgi apparatus
Endoplasmic Reticulum
Mitochondria
Lysosomes
A researcher observes a eukaryotic cell lacking functional peroxisomes. Which of the following metabolic processes would be MOST directly affected?
Glycolysis
Breakdown of long-chain fatty acids
Synthesis of proteins
Replication of DNA
Select the incorrect statement
Robert Brown discovered cell
Antony von Leeuwenhoek first saw and described a living cell
Cell is the basic unit of structure and function of all organisms
Anything less than a complete structure of a cell do not ensure independent living
Which organelle is responsible for the modification and packaging of proteins synthesized by the ribosomes?
Lysosomes
Mitochondria
Golgi apparatus
Endoplasmic reticulum
The factors which set the limit of cell size or volume are
I. nucleo-cytoplasmic or kern-plasma ratio
II. rate of metabolic activity
III. ability of oxygen and other materials to reach every part of the cell
IV. ability of waste products to pass to the outside
V. ratio of surface area to the volume of the cell
Identify the correct set of statements
III and IV
I and II
Only V
I, II, III and IV
Which statement BEST describes the relationship between the nuclear envelope and the endoplasmic reticulum?
The nuclear envelope is entirely separate from the endoplasmic reticulum.
The inner membrane of the nuclear envelope is continuous with the smooth ER membrane.
The outer membrane of the nuclear envelope is continuous with the rough ER membrane.
The nuclear envelope is formed by invaginations of the Golgi apparatus.
