Bio cell structure and function

Question 1

Cell theory

Answer 1

Fundamental concept of biology that states all living things are composed of cells; cells are the basic units of structure and function; and new cells come from existing cells.

Question 2

organelle

Answer 2

Specialized structure that performs important cellular functions within a eukaryotic cell.

Question 3

Eukaryote

Answer 3

Cell that encloses its DNA in a nucleus.

Question 4

prokaryote

Answer 4

Cell that lacks a nucleus and membrane-bound organelles.

Question 5

nucleolus

Answer 5

Structure found inside the nucleus where ribosome assembly begins.

Question 6

diffusion

Answer 6

The process by which particles move from an area of high concentration to an area of lower concentration

Question 7

osmosis

Answer 7

The diffusion of water through a selectively permeable membrane.

Question 8

endocytosis

Answer 8

Process of taking material into the cell by means of infoldings/pockets of the cell membrane.

Question 9

homeostatisis

Answer 9

The relatively constant internal physical and chemical conditions that organisms maintain.

Question 10

cytoskeleton

Answer 10

A network of protein filaments that helps the cell maintain its shape and is involved in movement.