MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Proteins

Since DNA is ...

Question

Since DNA is a hydrophilic molecule, it cannot pass through cell membranes. Why?

Open in App

Solution

Part 1: Explanation
DNA is a hydrophilic molecule, which is negatively charged. Cell membrane or plasma membrane is hydrophobic. It mainly comprises lipids which do not allow hydrophilic molecules such as DNA to cross the cell membrane.

Suggest Corrections

thumbs-up

50

Similar questions

Why does DNA being hydrophilic restrict it from passing through host cell membrane?

Q. Assertion: The bacterial cells must first be made ‘competent’ to take up foreign DNA.
Reason: DNA cannot pass through cell membranes since it is a hydrophilic molecule.
Select the correct option.

Q. DNA cannot pass through a cell membrane as

Q. Smaller, lipid soluble molecules diffuse faster through cell membrane, but the movement of hydrophilic substances is facilitated by certain transporters which are chemically

Q. Why DNA cannot pass through the cell membrane? Explain. How is a bacterial cell made "competent" to take up recombinant DNA from the medium?

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon