What is the special feature of the leaves of c4 plants?
a. they contain chloroplasts both in the mesophyll and bundle sheath cells.
b. they contain chloroplasts only in the mesophyll cells.
c. they contain chloroplasts only in the bundle sheath cells.

Your answer is A.They contain chloroplasts both in the mesophyll and bundle sheath cells.

Explanation:

 C4 plants have two types of photosynthetic cells: mesophyll and bundle sheath cells. Mesophyll chloroplasts are randomly distributed along cell walls, whereas bundle sheath chloroplasts are located close to the vascular tissues or mesophyll cells depending on the plant species. The cell-specific C4 chloroplast arrangement is established during cell maturation, and is maintained throughout the life of the cell.

If this helps Hit the Brainlist thank you!

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high