Download Answer Key: checkpoint cell organelles, prokaryotic and eukaryotic

Biology 11
Science Star: ________________________________ Period: _____ Date: ______________
Checkpoint – the cell organelles, prokaryotic & eukaryotic cells
Part A – Multiple Choice
Instructions: circle the best answer
1. What tool did scientists use to gather observations to form the cell theory?
a. Thermometer
b. Microscope
c. Graduated cylinder
d. Triple-beam balance
2. Which of the following is a function of the cytoskeleton?
a. helps a cell keep its shape
b. contains DNA
c. surrounds the cell
3. Which organelle converts the chemical energy in food into a form that cells can use?
a. Nucleus
b. Chromosome
c. Mitochondrion
d. Chloroplast
4. The thin, flexible barrier around a cell is called the
a. cell membrane.
b. cell wall.
c. cell envelope.
5. Which organelle is responsible for packaging in the cell?
a. Golgi apparatus
b. Rough endoplasmic reticulum
c. Smooth endoplasmic reticulum
d. mitochondria
Part B – Short Answer
Instructions: write a short answer using FULL, COMPLETE SENTENCES.
1) What are three features found in plant cells, but not in animal cells? (3 marks)
large vacuole, chloroplasts, cell walls
2) What organelles do all prokaryotic and eukaryotic cell have in common?
ribosomes, cytoplasm, cell membrane, DNA (genetic information)
3) Is the prokaryotic cell or eukaryotic cell more efficient? Why? Support your answer with details.
(3 marks)
The eukaryotic cell is more efficient because it can conduct many different chemical
reactions within the cell simultaneously (at the same time). The eukaryotic cell is able to
accomplish this due to the compartmentalization present (many of the organelles, such
as the mitochondria & chloroplast & golgi apparatus, are surrounded by membranes
that contain the chemical reactions that occur with the organelle and prevent them
from getting ‘mixed up’ with one another). The prokaryotic cell can only carry out one
type of chemical reaction at a time because the entire cell is exposed to the chemical
reaction occurring.
4) What are two functions of the nucleus? (2 marks)
- contains the DNA, which holds all the coded instructions for making
proteins (protein synthesis)
- acts as a control centre for the cell by regulating various activities and processes
Part C - Diagram
Instructions: Label the diagram below. Please use correct spelling. (14 marks)
Use the correct spelling, please.