1. Biology
Chapter 7 Review

2. ________________cells do not contain a nucleus.
eukaryotic
prokaryotic
plant
animal

3. If a cell of an organism contains a nucleus, the organism is a(n)____________.
eukaryote
prokaryote
plant
animal

4. Despite differences in shape and size, all cells have cytoplasm and a _____________.
cell wall
mitochondrion
cell membrane
nucleus

5. All living things are made up of________________.
bones
blood
cells
elements

6. All cells come from _________.
cells that already exist
the soil
water
space

7. Photosynthesis takes place in the _____________ in plant cells.
cell wall
chloroplast
mitochondria
nucleus

8. . Which of the following controls what enters and leaves the cell?
mitochondria
cell membrane
nucleus
vacuole

9. In many cells, the structure that controls the cell’s activities is the__________.
cell membrane
nucleolus
organelle
nucleus

10. Which organelle converts the chemical energy in food into a form that cells can use?
nucleolus
mitochondria
chromosomes
chloroplast

11. Threadlike structures that contain genetic information are called ___________.
ribosomes
nuclei
chromosomes
mitochondria

12. This organelle translates information from RNA into proteins.
ribosome
mitochondria
chromosome
chloroplast

13. Cell membranes are made mainly of ________.
protein pumps
carbohydrate gates
lipid bilayers
free moving proteins

14. The movement of water molecules across a selectively permeable membrane is called ______________.
exocytosis
endocytosis
phagocytosis
osmosis

15. A substance that moves across a cell membrane without using energy moves ____________.
from low concentration to high concentration
from high concentration to low concentration
away from equilibrium
does not move

16. . This organelle contains digestive enzymes that break down molecules and cell parts when they are no longer needed
lysosome
vacuole
golgi body
endoplasmic reticulum

17. Which statement best describes the result of placing a cell into a concentrated sugar solution.
water moved into the cell
water moved out of the cell
protein synthesis begins
sugar moved out of the cell

18. What is the gelatin like substance between the nucleus and the cell membrane called?
ribosome
chloroplast
endoplasmic reticulum
cytoplasm

19. . The ______transports proteins and other molecules to different parts of the cell.
vacuole
ribosome
nucleus
endoplasmic reticulum

20. ____ is when the concentration of a solute is the same throughout a system.
equilibrium
diffusion
facilitated diffusion
active transport

21. A substance that moves across a cell membrane without using energy tends to move
away from the area of equilibrium
away from the area where it is less concentrated
away from the area that is more concentrated
toward the area where it is more concentrated

22. Review your plant and animal cell diagrams. They will be on the test.