What Are Cell Junctions
Trending Questions
Q.
Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
Gap junctions and Adhering junctions, respectively
Adhering junctions and Tight junctions, respectively.
Tight junctions and Gap junctions, respectively
Adhering junctions and Gap junctions, respectively
Q. Which of the following type of cell junction is not found in animal tissues?
- Tight junction
- Gap junction
- Plasmodesmata
- Adherens junction
Q. The cell junctions called tight, adhering and gap junctions are found in:
- Connective tissue
- Neural tissue
- Muscular tissue
- Epithelial tissue
Q.
Column I | Column II |
A. Tight junctions | i. Cement neighbouring cells together to form a sheet |
B. Adhering junctions | ii. Extracellular matrix supporting the epithelial cells |
C. Gap junction | iii. Establish a barrier to prevent leakage of fluid across epithelial cells |
D. Basement membrane | iv. Cytoplasmic channels to facilitate to communication between adjacent cells |
- A-ii, B-iv, C-i, D-iii
- A-iv, B-ii, C-i, D-iii
- A-iii, B-i, C-iv, D-ii
- A-iv, B-iii, C-i, D-ii
Q. Given below are the functions of cell junctions.
1. Help to stop substances from leaking across a tissue.
2. Perform cementing to keep neighbouring cells together.
3. Facilitate the cells to communicate.
Choose the correct option.
1. Help to stop substances from leaking across a tissue.
2. Perform cementing to keep neighbouring cells together.
3. Facilitate the cells to communicate.
Choose the correct option.
- 1-Gap junctions, 2-Adhering junctions, 3-Tight junctions
- 1-Adhering junctions, 2-Tight junctions, 3-Gap junctions
- 1-Gap junctions, 2-Tight junctions,
3-Adhering junctions - 1-Tight junctions, 2-Adhering junctions, 3-Gap junctions
Q.
What is the basement membrane?
Q. Which of the following types of cell junction is not found in animal tissues?
- Tight Junctions
- Gap Junctions
- Adherens junctions
- Plasmodesmata
Q. Choose the correct answer from the options given below:
I. Tight junctions, gap junctions and adherens junctions are different types of cell junctions.
II. They are located in connective tissue, epithelial tissue, neural tissue and muscular tissue.
I. Tight junctions, gap junctions and adherens junctions are different types of cell junctions.
II. They are located in connective tissue, epithelial tissue, neural tissue and muscular tissue.
- Both I and II are correct
- Only I is correct
- Only II is correct
- Both I and II are incorrect
Q. The outer most layer of human cheek cells is
Q. The cell junctions called tight, adherens and gap junctions are found in
- connective tissue
- epithelial tissue
- neural tissue
- muscular tissue
Q. How many types of cell junctions are found in the tissue?
- Two
- Three
- Four
- Five
Q. Select the incorrect pair
- Plasmodesmata : found in animals
- Gap junction : facilitates communication
- Adherens junction : cements neighbouring cells together
- Tight junction : found in blood-brain barrier
Q. How many types of cell junctions are found in the tissue?
- Two
- Three
- Four
- Five
Q. Match the cell junctions to their functions.
- No exchange
- Allows exchange
- Anchor to ECM
- Increase area
Q. Which of the following sentences is incorrect with regard to cell junctions?
Gizzard
Pharynx
Stomach
Typhlosole
Q. cos2x/sinxcosx.dx integration
Q. Given below are the functions of cell junctions.
1. Help to stop substances from leaking across a tissue.
2. Perform cementing to keep neighbouring cells together.
3. Facilitate the cells to communicate.
Choose the correct option.
1. Help to stop substances from leaking across a tissue.
2. Perform cementing to keep neighbouring cells together.
3. Facilitate the cells to communicate.
Choose the correct option.
- 1-Gap junctions, 2-Adhering junctions, 3-Tight junctions
- 1-Tight junctions, 2-Adhering junctions, 3-Gap junctions
- 1-Adhering junctions, 2-Tight junctions, 3-Gap junctions
- 1-Gap junctions, 2-Tight junctions,
3-Adhering junctions
Q. Match the cell junctions to their functions.
- No exchange
- Allows exchange
- Anchor to ECM
- Increase area
Q. The cell junctions called tight, adherens and gap junctions are found in
- connective tissue
- epithelial tissue
- neural tissue
- muscular tissue
Q. Choose the correct option for the statements given below.
Statement 1 - Some epithelial cells are secretory cells.
Statement 2 - Higher numbers of Golgi bodies are present in such epithelial cells.
Statement 1 - Some epithelial cells are secretory cells.
Statement 2 - Higher numbers of Golgi bodies are present in such epithelial cells.
- Both Statement 1 and statement 2 are correct.
- Only statement 1 is correct.
- Only statement 2 is correct.
- Both statements are incorrect.
Q. Intercalated discs between cardiac myocytes have ______________ in abundance.
- tight junctions
- adherens junctions
- gap junctions
- both tight and adherens junction
Q. what is blood brain barrier ?
Q. Which is not a connection between plasma membrane of adjacent cell?
- Desmosomes
- Tight junction
- Gap junction
- Transverse junction
Q.
Which of the following type of cell junction is not found in animal tissues ?
Adhering junction
Tight junction
Plasmodesmata
Gap junction
Q. The cell of .......... layer of transitional epithelium are rich in cytoplasmic protein.
- Intermediate
- Medulla
- Basal
- Superficial
Q. Node of Ranvier is found in ______________.
- Muscle bundles
- Axon
- Dendrite
- Right auricle
Q. In which one of the following preparations are you likely to come across cell junctions most frequently?
- Ciliated epithelium
- Thrombocytes
- Tendon
- Hyaline cartilage
Q. Desmosomes
- Types of lysosomes
- Connect the epithelial cells
- Granules of muscle fibres
- Found in bone
Q. Which of the following sentences is incorrect with regard to cell junctions?
- Cell junctions are points of contact between plasma membranes of adjacent cells
There are 4 types of cell junctions
- Cell junctions allow ions to pass from one cell to another
- Fluid tight seals cannot be formed by cell junctions
Q. Animal cytoplasm is composed of
- Salt
- Proteins
- Nucleotides
- All of the above