LTLT#4 Final Test

LT: I can explain cell structures, components, and their specific functions in organelles.

 

LTLT#4: I can explain cell structures, components, and their specific functions in organisms.

Name: _______________________________________ Date: _________________ Class Period: _______________

LTLT#4 Final

All answers need to be in full and complete sentences. Use the correct spelling, grammar and punctuation.

Part 1: Plant and Animal Cells

1.     Which of the following cell is an ANIMAL cell and which is a PLANT cell?

What kind of cell is this? _________________                                   What kind of cell is this? ___________________

2. How do you know which cell is which? List 2-3 reasons why.

1.

2.

3.

Part 2: Cell Organelles

For Questions 2-18 use the word bank to help you. Words may be used more than once.

3.     What are cell organelles??? ______________________________

4.     Which part of the cell REGULATES the cell and acts as the brain? _______________________________________

5.     Which part of the cell breaks down food and recycles old cell parts? _________________________________________

6.     Which parts of the cell provide energy to the cell?

1.

2.

3.

7.     Which part of the cell is semi-permeable, like a door and allows some molecules to go in and out?

___________________________________________________

8.     Which part of the cell makes proteins? ________________________

Word Bank o   Little Organs o   Nucleus o   Nucleolus o   Cell Wall o   Cell Membrane o   Mitochondria o   Endoplasmic Reticulum (ER) o   Golgi Apparatus (Golgi bodies) o   Chloroplast o   Vacuoles o   Lysosomes

9.     Which organelle holds a plant cell together?

________________________________________

10.  Which organelle helps PLANT cells make food?

____________________________________

11.  What does ER stand for? _____________________________________

12.  Which organelle packages and sorts proteins? ________________________________

13.  Which organelle cleans up the cell? ____________________________________________

14.   Which organelle stores extra materials for the cell? _____________________________________

15.  Which organelle transports proteins and materials through the cell? _________________________________

16.  Which organelle is the brain of the brain of the cell? __________________________________________

17.  Which organelle is a gel-like substance inside of the cell? ____________________________________

18.  Which cell organelles do plant cells have that animal cells do not have?  

1.

2.

Part 3: Cell Organelle Functions:

19.Which matches a cell organelle with what it does? (It’s function)

a.      Chloroplast – movement

b.     Nucleus – cell regulation/direction

c.      Vacuole – energy

d.     Mitochondria – photosynthesis

20.  If a cell’s lysosomes were damaged, what would MOST LIKEY occur?

a.      The cell would produce more proteins and food

b.     The cell would have more chloroplasts

c.      The cell would not be able to break down waste

d.     The cell would not be able to regulate food production

Part 4: Cell Theory

21. What is a cell? (What is the definition of a cell?? ) Fill in the blank:

A cell is the basic unit and ________________________________________________________________________.

22. The Cell Theory has three parts: Fill in the blanks

1.     ALL living things are made of ____________________________________________________________________.

2.     Cells are the basic structure and function in ____________________________________________________.

3.     ALL cells are produced from _____________________________________________________________________.

23.Which of the following statements is TRUE about cells?

a.      Cells make up only some living things

b.     Cells make up all living things

c.      Cells make up everything in the world

Part 5: Diffusion and Labs

Short Constructed Responses

Diffusion occurs in cells through a process called osmosis. In class we did an experiment demonstrating diffusion with iodine and cornstarch in a plastic baggie, and we demonstrated osmosis using Gummy Bears. What is diffusion and how did the lab activity demonstrate it? Make sure to answer all parts of the rubric.

☐ Explain/define diffusion

☐ Draw a picture of diffusion

☐ How did the lab activity demonstrated diffusion

☐ Which organelle does the plastic baggie represent? _______________________________

☐ Think about the plastic baggie. What does semi-permeable mean? Why??

☐ What happened to the gummy bears??? Why did this happen?? Explain in 3-5 full and complete sentences.

Part 6: Microscopes:

20. What is a Microscope?

21.How do you use it?

22.Why do you use it??

23. Explain the word parts:

                                   

Micro  = ____________________ Scope = ___________________________

Microscope = ___________________________________________________

Part 7: Bonus Question: Take a guess!

Q:  How many pounds of bacteria are there in the human body? ______________________________________________