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Essential Biochemistry - Cell And Membrane Transport (Section 1)

1
The main function of the cell wall is:
Answer
(A)
Support and protection
2
The main function of lysosomes is:
Answer
(C)
Intracellular digestion
3
Peroxisomes arise from:
Answer
(D)
Forming, processing and budding off from the different membranes
4
Which type of transport requires energy?
Answer
(C)
Active transport
5
Golgi apparatus is present in all of the following cells:
Answer
(D)
Pancreatic cells
6
Which of the following processes occur across the cell membrane?
Answer
A
B
C
7
Which organelle is responsible for the modification and sorting of proteins?
Answer
(B)
Golgi apparatus
8
Which of the following is NOT a function of the cell membrane?
Answer
(C)
Energy production
9
What are the three main components of the cytoskeleton?
Answer
A
B
C
10
The fluid mosaic model describes the structure of the:
Answer
(B)
Cell membrane
11
What is the function of the rough endoplasmic reticulum (RER)?
Answer
(B)
Protein synthesis
12
What type of transport is represented by the Na+/K+ pump?
Answer
(C)
Active transport
13
Which statement about the cell membrane is correct?
Answer
(C)
It is involved in regulating transport.
14
Which process requires a protein channel?
Answer
(C)
Facilitated diffusion
15
Select the features of prokaryotic cells:
Answer
B
C
D
16
Which of the following processes involve the cell membrane?
Answer
A
B
C
17
What is the main component of the cell membrane?
Answer
(C)
Phospholipids
18
Which of the following is a key function of the Golgi apparatus?
Answer
(B)
Protein modification and packaging
19
The Golgi apparatus is primarily involved in:
Answer
(B)
Protein modification and packaging
20
Which of the following are true regarding the structure of a biological membrane?
Answer
A
B
C
21
Which of the following is an example of passive transport?
Answer
(C)
Facilitated diffusion
22
What is the role of the mitochondria?
Answer
(B)
Production of ATP
23
Mitochondrial DNA is:
Answer
(A)
Maternal inherited
24
Which of the following structures is responsible for the synthesis of ribosomes?
Answer
(C)
Nucleolus
25
Which structure is present in both prokaryotic and eukaryotic cells?
Answer
(C)
Ribosomes
26
The following is the metabolic function of ER:
Answer
(B)
Protein processing
27
Na+ - K+ ATPase is the marker enzyme of:
Answer
(B)
Plasma membrane
28
Which of the following is a characteristic of active transport?
Answer
(D)
Movement of molecules against the concentration gradient.
29
Which type of cell does not contain a nucleus?
Answer
(D)
Bacterial cells
30
What is the role of the smooth endoplasmic reticulum (SER)?
Answer
(B)
Lipid synthesis and detoxification
31
Which of the following is a characteristic of facilitated diffusion?
Answer
(B)
Uses transport proteins
32
Which of the following are components of the cytoskeleton?
Answer
A
B
C
33
All of the following statements about the nucleus are true, except:
Answer
(D)
Nucleoli are not involved in ribosome biogenesis
34
Eukaryotic cells are characterized by the presence of:
Answer
(A)
A nucleus
35
Plasma membrane is made up of:
Answer
(A)
Lipid bilayer
36
Which of the following are found in both prokaryotic and eukaryotic cells?
Answer
A
C
37
Which of the following is involved in protein synthesis?
Answer
(B)
Ribosomes
38
What is the difference between endocytosis and exocytosis?
Answer
(A)
Endocytosis is a process of taking up the substances by the cell, while exocytosis is a process of release of the substances from the cell.
39
Select the subcellular component involved in the formation of ATP:
Answer
(D)
Mitochondria
40
Which of the following statements correctly describe the structure of the cell membrane?
Answer
A
B
D
41
Which of the following structures are found in the cytoplasm of eukaryotic cells?
Answer
A
B
C
42
What is facilitated diffusion?
Answer
(A)
The movement of molecules across a membrane with the help of a transport protein, without energy.
43
Which of the following are examples of active transport?
Answer
A
D
44
What is the function of the cell wall?
Answer
(A)
To provide shape and support to the cell
45
Which of the following molecules can be transported via simple diffusion?
Answer
A
B
C
D
46
Which of the following is the main function of the Golgi apparatus?
Answer
(C)
Processing and packaging of proteins
47
Which organelle is responsible for producing ribosomes?
Answer
(B)
Nucleolus
48
Which of the following are involved in the cell membrane?
Answer
A
B
C
49
The following is the metabolic function of ER:
Answer
(B)
Protein processing
50
Which of the following is involved in the breakdown of cellular waste and debris?
Answer
(B)
Lysosomes