What type of molecule is found in the cell membrane

Asked by admin @ 29/10/2021 in Biology viewed by 285 People

Which molecule forms the bulk of a cell membrane?

which is the best definition of diffusion?
which substance is commonly found in a cell membrane?
what is the process whereby molecules in vesicles are exported out of a cell?
In a eukaryotic cell, where is most of the DNA located?

Answered by admin @ 29/10/2021

1. which molecule forms the bulk of a cell membrane?

answer: phospholipid

In terms of structure, a cell membrane (or plasma membrane)
consists mainly of a phospholipid bilayer (with associated proteins embedded in
it).

2. which is the best definition of diffusion?

answer: Diffusion is the bulk movement of particles from a
region of higher concentration to a region of lower concentration

3. which substance is commonly found in a cell
membrane?

answer: proteins

Proteins are enzymes which help transport things through the
membrane.

4. what is the process whereby molecules in vesicles
are exported out of a cell?

answer: exocytosis

Actually there are 2 types of bulk transport and these
are: exocytosis and endocytosis, and both require the spending of energy (ATP).
In exocytosis, resources are excreted out of the cell via secretory vesicles.

5. In a eukaryotic cell, where is most of the DNA located?

answer: inside the nucleus

The nucleus is the main center of our cells. This
contains our chromosomes and genetic information essential for the reproduction
of life.

What type of molecule is found in the cell membrane

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