Question

why cells are important
vocabulary
cell membrane
cells
diffusion
mitochondria
nucleus
organelles
osmosis
vacuoles
cytoplasm
use the terms in the vocabulary box to fill in the blanks. use each term only once.
all living things, including plants, animals, bacteria, and fungi, are formed from one or more

1. each cell is made up of smaller components called
2. in an animal cell, a separates the inside of the cell from the external environment.
3. the controls all cell activities.
4. muscle cells contain to release energy from glucose to fuel cell activities.
5. contain water and other materials used to store or transport molecules.
6. the is a fluid in which organelles float. it also protects and supports the organelles.
7. is the movement of particles from an area of higher concentration to an area of lower concentration.
8. is the diffusion of water through a membrane.

Explanation:

1. All living things are composed of cells.
2. Cells are made up of organelles.
3. The cell - membrane separates the cell's interior from the external environment.
4. The nucleus controls cell activities.
5. Mitochondria release energy from glucose in muscle cells.
6. Vacuoles store and transport materials.
7. Cytoplasm is the fluid where organelles float.
8. Diffusion is the movement of particles from high to low concentration.
9. Osmosis is water diffusion through a membrane.

Answer:

1. cells
2. organelles
3. cell membrane
4. nucleus
5. mitochondria
6. vacuoles
7. cytoplasm
8. diffusion
9. osmosis