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What cells have instructions?

What cells have instructions?

A cell is the smallest unit that is capable of performing life functions. The nucleus contains nearly all the cell’s DNA and with it the coded instructions for making proteins and other important molecules.

What does the cytoplasm contain?

Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.

What carries instructions for the cytoplasm?

Messenger RNA (mRNA) copies the genetic instructions from DNA in the nucleus, and carries the instructions to the cytoplasm. Ribosomal RNA (rRNA) helps form ribosomes, the organelle where proteins are assembled.

What does cytoplasm do for the cell?

The cytoplasm is the gel-like fluid inside the cell. It is the medium for chemical reaction. It provides a platform upon which other organelles can operate within the cell. All of the functions for cell expansion, growth and replication are carried out in the cytoplasm of a cell.

What are the three constituents of the cytoplasm?

Cytoplasm. All cells have three main constituents i.e., plasma membrane, and cytoplasm and the nucleus. The cell membrane or plasma membrane is a bi-lipid membranous layer, separating the cell organelles from its external environment as well as from the other cells. It is the outer covering of a cell where all other parts,…

How does the cytoplasm provide shape to the cell?

Cytoplasm provides shape to the cell. It fills up the cells thus enabling the organelles to remain in their position. The cells, without cytoplasm, would deflate and substances will not permeate easily from one to the other organelle. A part of the cytoplasm, the cytosol, has no organelles.

How does the plasma membrane keep the cytoplasm from spilling out?

The cell membrane or plasma membrane is the structure that keeps cytoplasm from spilling out of a cell. This membrane is composed of phospholipids , which form a lipid bilayer that separates the contents of a cell from the extracellular fluid.

What makes up the jelly-like fluid of the cytoplasm?

The jelly-like fluid of the cytoplasm is composed of salt and water and is present within the membrane of the cells and embeds all of the parts of the cells and organelles. The cytoplasm also assists in metabolic activities.