1. BELL WORK!
Write two Procedures to follow when using a microscope

2. Take out a sheet of paper and title it Biology Practice Test.
We are going to practice some biology test questions.
Copy the ENTIRE question and correct answer.
Correct any wrong answers with the right one.

3. 1. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enable it to move from the roots to the leaves of plants?
A Water expands as it freezes.
Water is an excellent solvent.
Water exhibits cohesive behavior.
Water is able to moderate temperatures.

4. 2. Which statement is not a part of the cell theory?
Cells are the basic unit of structure of living things.
Cells are the basic unit of function of living things.
Cell parts such as chloroplasts are self-replicating.
Cells come from preexisting cells

5. 3. Which statement regarding the functioning of the cell membrane of all organisms is not correct?
The cell membrane forms a boundary that separates the cellular contents from the outside environment.
The cell membrane is capable of receiving and recognizing chemical signals.
The cell membrane forms a barrier that keeps all substances that might harm the cell from entering the cell.
The cell membrane controls the movement of materials into or out of the cell.

6. 4. Which structure includes all of the others?
Nucleolus
Nucleus
Chromosomes
genes

7. 5. Which cell organelle is most directly involved with the bonding of amino acids?
Mitochondrion
endoplasmic reticulum
Lysosome
ribosome

8. 6. The cell's primary site of ATP production is the
mitochondria        
lysosomes            
Nucleus
nucleolus   
vacuoles

9. 7. Each of the following is a cell organelle except one
7. Each of the following is a cell organelle except one. Which one of these is NOT a cell organelle?
mitochondrion     
lysosome     
cytoplasm          
endoplasmic reticulum
Nucleolus

10. 8. What structure is common to ALL cells?
Chloroplast                 
Cell membrane             
Cell wall
Mitochondria                                         
Flagella

11. 9. Which is found in the nucleus
ribosome              
centrosome            
Vacuole
lysosome              
chromosome

12. 10. Which structure is found ONLY in animal cells?
cell wall       
vacuoles      
centrioles      
chloroplasts            
ribosomes

13. 11. What type of organic molecules are enzymes?
carbohydrates
lipids
nucleic acids
proteins

14. 12. What are the subunits of DNA and their function?
nucleotides that store information
monosaccharides that provide quick energy for the cell
lipids that store energy and provide insulation
proteins that provide the building blocks for the structural components of organisms

15. 13. This diagram shows a plant cell
13. This diagram shows a plant cell. Which structure is found in a plant cell but is absent in an animal cell? 1. 2. 3. 4.

16. 14. Which most directly controls the rate at which food is broken down to release energy?
Enzymes
Hormones
nucleic acids
vitamins

17. 15. How are prokaryotic and eukaryotic cells similar?
Both contain a nucleus.
Both contain ribosomes.
Both contain membrane-bound organelles.
Both contain cell walls.

18. 16. The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called
Perforated
semi-permeable
non-conductive
permeable

19. 17. Which cell structure is correctly paired with its primary function? 
ribosome - protein synthesis
mitochondrion – movement
vacuole - cell division
nucleus - storage of nutrients

20. 18. Which invention from the 17th century allowed for the development of modern cell theory?
X-rays
Computers
light microscope
scanning electron microscope

21. 19. Which substance has at least one Ionic bond?
NaCl O2

22. 20. Students set up four test tubes containing starch solution in which to perform a starch digestion. Supplies included amylase (enzyme that digests starch) and an incubator. In which tube listed would the starch digestion proceed more quickly?
No amylase, room temperature
No amylase, Body Temperature
Amylase present, Room temperature
Amylase present, Body temperature.