Download File

Midterm Webquest
Unit 1- The Big 4
TASK ONE – MACROMOLECULES
Use the link to complete the “Molecules of Life” Tutorial. As you move through the tutorial, answer the following questions.
http://tinyurl.com/zvla6qb
Opening Slide Tab
1. What are the four predominant elements in biology?
Molecules Tab
2. A train is comparable to a
A train car is comparable to a
3. What are the building blocks of macromolecules?
4. When monomers are linked together, the resulting molecule is called a
5. “Mono” means
A polymer is a link of
“Poly” means
A monomer is a single
In biological systems a polymer is called a
6. A train car is to a train, as a
is to a polymer an a molecule is to a
7. What are the four main classes of macromolecules?
1)
2)
3)
4)
Carbohydrates Tab
8. What are two important functions of carbohydrates?
9. What type of complex carbohydrate is cellulose and what is its role in plant cells?
10. What is another name for a complex carbohydrate?
11. Where do we get all of our simple and complex carbohydrates from?
12. Copy the answers to the practice questions within the activity below:
a) Carbohydrate:
b) Monosaccharide:
c) Polysaccharide:
Lipids Tab
13. What are three functions of lipids:
14. Lipids are oily. Do they mix with water?
Proteins Tab
15. What are proteins made from?
16. Complete the following protein table.
Protein Types
What cell organelle makes proteins?
Function
Nucleic Acids Tab
17. What are the main functions of nucleic acids?
18. How many strands make up RNA?
How many strands make up DNA?
19. During the Nucleic Acid Practice, Write the statement that refer to nucleic acids in the space below.
a)
b)
c)
d)
Final Review Tab
20. Copy the main functions of each macromolecule in the table below.
Macromolecule
Function
Unit 2 Cells
TASK ONE – What Are Cells?
Use the link below to watch the “What Are Cells” video clip by Bill Nye the Science Guy. As you watch, answer the following
questions.
http://tinyurl.com/o9jmfh7
1. Approximately, how many cells are in the average human body?
2. List some types of cells found in a human body:
3. How are cells alike AND different than bricks in a brick wall?
TASK TWO – How are Prokaryotic and Eukaryotic Cells Different?
Use the link below to watch the “Prokaryotes and Eukaryotes” video by The Amoeba Sisters. As you watch, answer the questions.
http://tinyurl.com/qf42rnp
4. Why aren’t antibiotics effective against fungi infections?
5. What are some common organelles, or parts of, all cells?
6. What does a ribosome do?
7. What are two differences between prokaryotic and eukaryotic cells?
8. What are three examples of organisms with eukaryotic cells?
9. Eukaryotic muscles cells contain a lot of what type of organelle to produce energy?
10. Why do and quantities of different organelles vary slightly within different cells?
.
TASK THREE – Learn About and Build a Prokaryotic Cell
Click on the link below to build a prokaryotic cell on the Interactive Concepts in Biochemistry Website. Then click on the “prokaryote
cell” tab on the right of the screen. Follow the directions below to complete this section of the webquest.
http://tinyurl.com/be4dx
11. Scroll your mouse over the different parts of the prokaryotic cell. As you read about the different parts, label the following
diagram
below.
12. Scroll your mouse over the different parts of the prokaryotic cell again. As you read about the different parts, complete the
following graphic organizer.
Organelle of
Prokaryotic Cell
Function of Organelle
Drawing
of Organelle
Pili
Ribosome
Mesosome
Cell Wall
Nucleoid Region
Flagella
Cytoplasm
13. On the right side bar of the interactive, click the button that says “Construct a Cell”. Choose the prokaryotic cell and construct a
cell within the site. When you are finished, write ONE thing you learned from construction of the cell in the space below.
TASK FOUR– Learn About and Build Eukaryotic Plant and Animal Cells
Click on the following link to complete the “What Do Cells Do?” activity from the SEPUP website. Follow the directions below to
answer the questions as you move through the activity.
http://tinyurl.com/9f23x8x
14. Click “Start”, read the directions, press “continue”, and then “okay”. Place your mouse over the organelles in the interactive to
learn more about each organelle. Complete the following graphic organizer as you move through the organelles.
Organelle
Summary of Function
Nucleus
Cell Wall
Lysosome
Mitochondria
Chloroplast
Vacuole
Cell Membrane and Cytoplasm
Vesicle
Free Ribosomes
Cytoskeleton
Golgi Apparatus
Endoplasmic Reticulum
15. Construct an animal cell in the interactive. Draw it in the space below. Label all 10 Parts.
16. Construct a plant cell in the interactive. Draw it in the space below. Label all 11 Parts.
17. After you complete the plant cell, click “continue”. Follow the directions to summarize the differences between Animal and Plant
cells using a Venn Diagram. Copy the Venn Diagram in the space below.
TASK FIVE: Types of Transport Animation
Click on the following link to complete the “Membrane Transport” animation from the BioNova website.
http://tinyurl.com/gsjstwj
A. Click “Menu” on the bottom left hand side of animation screen.
B. Click “Passive Transport”
C. Follow animation to complete the following questions. Press the “Back” button anytime you need to go back in the
animation.
Simple Diffusion
18. Diffusion is the movement of molecules from an area of
concentration.
19. The term
chemical substance versus another.
concentration to an area of
refers to the relative
of one
20. The rate of diffusion depends on:
a)
b)
c)
d)
21. Diffusion ends when an
has been met.
Facilitated Diffusion
22. How is facilitated diffusion different than simple diffusion?
Osmosis
23. How is osmosis different than diffusion?
24. What is the difference between hypertonic and hypotonic?
25. Water will travel by osmosis from a
environment to a
environment.
A. Click “Main” on the bottom left hand side of animation screen.
B. Click “Active Transport”
C. Follow animation to complete the following questions. Press the “Back” button anytime you need to go back in the
animation.
Active Transport - Click on the Active Transport Tab.
26. Does active transport go with or against the concentration gradient?
27. What type of energy does active transport require?
Click on “Endocytosis” Tab at the bottom of the screen. Then take notes in the following table on the three types of Endocytosis.
28. Phagocytosis
29. Pinocytosis
30. Receptor-Mediated Endocytosis
31. Go back to the “L” section of the KWL on page one of this handout. List 2 things you learned during task 3 in the L- column.
TASK SEVEN: Tonicity and Osmosis
Click on the following link to access the Tonicity and Osmosis on Cells Virtual Lab from the Glencoe Science website. Follow the
directions on this handout to complete the lab.
http://tinyurl.com/4d7pyl9
Place each cell in all three different liquids. In the chart below, record your results. Write “Shrink” if the cell shrinks, “Swell” if the
cell swells, and “Normal” if the cell stays the same. In the last column, explain why this change or no change is occurring in your own
words. Use the words water, solute, and cell in all the answers to the fifth column.
Type of Solution
Red
Blood
Cell
Elodea
Cell
Paramecium
Cell
Where is the Water Going? Why?
32. Hypotonic Solution
33. Isotonic Solution
34. Hypertonic Solution
TASK 8: Active Transport
Click on the following link to watch the Exocytosis and Endocytosis video from the McGraw Hill website.
http://tinyurl.com/horwngg
Click on the following link to complete the Endocytosis and Exocytosis animation. Read the introduction and then click “Go To
Animation” to complete the activity. Listen to the animation and read the text. You will move through THREE different types of
active transport. Fill in the blanks as you go.
http://tinyurl.com/hrf6j8v
35. Exocytosis is the movement of particles
the cell.
of the cell, while endocytosis is the movement of particles
36. During exocytosis, materials are moved out of the cell through
of
with the plasma
. The transport vesicle moves toward and attaches to the membrane
the vesicle’s contents into the
37. During endocytosis, large molecules are moved
38. In
(literally “cell
off and moves into the
and some
the cell by the
of the plasma membrane.
“), the plasma membrane form as a kind of harbor that
as a vesicle. The vesicle carries primarily
.
39. In
endocytosis, receptors in the plasma membrane
to specific molecules and then
onto them. The cell membrane then forms
an
called a
that pinches off, delivering the
receptor-held molecules to the cell’s cytoplasm.
40. In
particles and
The pseudopodia
moves into the cell
(literally “cell
“), larger materials such as
are enveloped by
the particle and their membranes
together, forming a vesicle that
with the captured particle
Unit 3- Photosynthesis and Cell Respiration
TASK ONE – INTRODUCTION TO ATP
Use the link to watch the “What is ATP & How It Works” video. As you watch, fill in the blanks below.
http://tinyurl.com/nm7yybr
1. The full name of ATP is
2. Label the ATP Diagram to the right with what each shape represents.
3. ATP is a molecule in the cell that allows for quick and easy
organelles.
4. ATP is a type of
are
when needed by the cells
that
between two
energy when the chemical bonds
groups.
5. The abbreviation for Adenosine Diphosphate is
6. The ADP enters the cell’s
to the molecule. The molecule becomes
and is recharged when the mitochondria adds another
again.
TASK TWO – CELL RESPIRATION & PHOTOSYNTHESIS
Use the link to access the “Photosynthesis and Cell Respiration” article. As you watch, fill in the blanks below.
http://tinyurl.com/cpqovbw
7. Photosynthesis is the process used by plant cells to convert
, so as to create energy-rich
8. Cellular respiration is the process of
in the form of
from the sun into
molecules like glucose.
food molecules to obtain energy and
ATP molecules.
9. Photosynthesis takes place in the cells of plant leaves in structures called
, which contain
. The plant cells absorb light from the sun through the chlorophyll
and using
and
obtained from the environment, undergo a series of chemical reactions to produce
molecules.
it
10. Look at the picture. Copy the chemical reaction for photosynthesis below in symbols and words.
11. Cellular respiration takes place in the
way in both
12. Living cells obtain the
produce
molecules.
of photosynthesis (sugar molecules) and undergo cellular respiration to
13. Some cells respire
, using
respiration,
and
, while others undergo
using oxygen.
14. Look at the picture. Copy the chemical reaction for cellular respiration below in symbols and words.
15. Read the last section “Differences Between Cell Respiration & Photosynthesis. Use the details in this section to fill in the table
below to compare and contrast these processes.
3 Details About
2 Ways They Are Alike
3 Details About
Photosynthesis
Cellular Respiration
TASK THREE – PHOTOSYNTHESIS & FOOD
Use the link to watch the “Simple Story of Photosynthesis & Food” video. As you watch, fill in the blanks below.
http://tinyurl.com/llmtp2m
16. What percentage of the food we eat comes from carbohydrates?
17. What are carbohydrates made of:
18. What are the pores in a plant’s skin called?
19. What light absorbing pigment is found in chloroplasts?
20. The sun helps covert carbon dioxide into a simple carbohydrate called:
21. What is another name for cellulose?
22. What does starch do for a plant?
23. When we break down glucose, what energy molecule is produced?
24. What are three ways we use ATP?
25. How is ATP like dollars?
26. Which organelle is responsible for breaking down carbohydrates into useable energy?
27. Do plants have mitochondria?
TASK FOUR – ANAEROBIC & AEROBIC RESPIRATION
Use the link to watch the “Respiration” video. As you watch, fill in the blanks below. http://tinyurl.com/jp52vct
36. What is the difference between respiration and breathing?
37. What is more efficient? - Anaerobic or Aerobic Respiration?
38. What compound is responsible for the cramps that we feel when we run out of oxygen?
39. The build up of lactic acid causes:
40. What is the name of the length of time needed for us to pay back our oxygen debt?
TASK FIVE – FERMENTATION
Use the link to watch the “Fermentation Of Yeast & Sugar” video. As you watch, fill in the blanks below.
http://tinyurl.com/joxuxuk
41. Fermentation is a metabolic process that coverts
42. Fermentation occurs in
into
, bacteria, and other microorganisms, as well as
43. The bottle with the MOST sugar grew to a
44. Yeast is a type of
size.
.
45. When the yeast digests sugar and starches, it produces the waste products of
.
and
46. Write the fermentation equation shown in the video in the space below. Write the symbols and words.
47. Is yeast fermentation an anaerobic or aerobic form of cellular respiration? Why?
___________________________________