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. Cells are the basic unit of life for all living organisms.
2. Organelles are the subunits within a cell.
3. The cell membrane acts as a barrier.
4. The nucleus is the control - center of the cell.
5. Mitochondria are the power - houses of the cell, producing energy.
6. Vacuoles store and transport materials.
7. Cytoplasm is the fluid that supports organelles.
8. Diffusion is the movement of particles from high to low concentration.
9. Osmosis is the diffusion of water across a membrane.

Answer:

1. Mitochondria
2. Vacuoles
3. Cytoplasm
4. Diffusion
5. Osmosis