Question |
Answer |
A _______molecule is an example of a carbohydrate. |
sugar |
Which item is a stiff structure found outside the cell membrane of some cells? |
cell wall |
Which explanation describes the movement of water during osmosis? |
from high areas of high concentration to areas of low concentration |
The ________stores a cell's food, water, and waste materials. |
vacuole |
The________controls activity in a cell. |
nucleus |
The________protects organelles inside the cell. |
cell membrane |
___________ is moving substances by engulfing them in a cell membrane. |
Exocytosis |
________________is the use of cell energy to move substances into and out of cells. |
Active transport |
The use of transport proteins to move substances into and out of cells is_______________. |
facilitated diffusion |
The outer part of the cell is the ____________. |
cell wall |
The next layer is the_______________. |
cell membrane |
The biggest inner circle (in the diagram) is the______________. |
central vacuole |
The second smallest inner circle with a dot in the middle (in the diagram) is the____________. |
nucleus |
The small oval with tiny dots (in the diagram) is the____________. |
chloroplast |
The tiniest oval (in the diagram) is the___________. |
mitochondria |
What did Hooke contribute to the development of cell theory? |
He contributed the use of the microscope. |
What did Schleiden & Schwann contribute to the development of cell theory? |
They discovered the similarities of plant cells. |
How do animals get the energy that plants store during phosynthesis? |
The animals eat the plants-cellular respiration |
What is the role of chloroplasts in photosynthesis? |
Chloroplasts store the energy for the plants. |
How is fermentation related to the way your body feels when you are exercising? |
Sweat is like cells getting rid of waste. |
How can you use a microscope to tell whether a cell is prokaryote or a eukaryote? |
You can use the microscope to look at the nucleus. If it is well defined, it's a eukaryote. If it isn't well defined, it is a prokaryote. |
Compare the processes of endocytosis and exocytosis. |
Endocytosis takes materials in. Exocytosis exports materials out of the cell. |