Cell The Unit Of Life Question 115
Question: Choose the correct statement from the options given below.
(i) Separation from extracellular medium allows the cells to maintain its chemical pool, orderliness of structure and reactions in contrast to disorderly distribution and randomly interacting molecules in the extra- cellular medium. (ii) Cells are unable to recognise one another due to the presence of specific chemicals on their surface. (iii) Cells of plant tissue are often connected with one another through cytoplasmic bridges called Plasmodesmata. (iv) Different cells of an organism communicate as well as exchange materials with one another.
Options:
A) (ii) and (iii)
B) (iii) and (iv)
C) (i),(iii) and (iv)
D) (i), (ii), (iii) and (iv)
Show Answer
Answer:
Correct Answer: C
Solution:
[c] The ability to distinguish different neighbouring cells is important for organisms’s function.
Glycolipids are lipids with attached carbohydrates, which acts as recognition sites during cell-cell interaction, as well as sites of attachment in a tissue.
Glycoproteins are often integral membrane proteins and are also important for cell recognition.
BETA
