Use the drop-down menus to answer questions about bacteria. Since bacteria are prokaryotes, they have no The outside of a bacterial cell is protected by a structure called a . The provides a rigid structure that gives the cell its shape. The helps to transport ions, nutrients, and waste. allow DNA to be transferred from one bacterium to another. ed2020

nucleus and membrane-bound organelles, capsule, cell wall, cell membrane, pilli

Explanation:

Since bacteria are prokaryotes, they have no nucleus and membrane-bound organelles. The outside of a bacterial cell is protected by a structure called a capsule. The cell wall provides a rigid structure that gives the cell its shape. The cell membrane helps to transport ions, nutrients, and waste. Pilli allow DNA to be transferred from one bacterium to another.

Bacteria generally belong to a group of living organisms known as prokaryotes. They lack cell nucleus and other membrane-bound organelles. The outermost portion of most bacterial cells is protected by capsule which is made up of polysaccharides and proteins.

Next to the capsule towards the inner part of the cell is the cell wall which essentially gives the bacterial cell its shape and act as a permeable membrane. The cell wall is made up mainly of peptidoglycan or murein.

The cell membrane is next to the cell wall and acts as a selectively permeable structure to the cell. It helps in the transport of ions, nutrients, and wastes in and out of the cell. They are made up primarily of proteins and phospholipids.

Most bacteria have pilli, an hair-like appendage, attached to their cells. The pilli function primarily as adherence structure to surfaces while serving as sex organ in some bacteria through which DNA can be transferred from cell to cell.

nucleus

capsule

cell wall

cell membrane

pili

Explanation:

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