Download Week 30 CCA Review

Week 30 CCA Review
Viruses and Bacteria
Vocabulary
Pathogen
Vaccine
Capsid
Antibiotic
Host Cell
Toxin
a. ______________The virus depends on this in order to attach and replicate
b. ______________ A poisonous substance that can be produced by bacteris
c. ______________ Substance that interferes with cell processes in microorganisms
d. ______________ A solution of dead or weakened pathogen; helps prevent illness
e. ______________ Protein coat surrounding viral DNA
f. ______________ Indicates a disease causing agent
Identify the Images
Label the following diagrams as virus, bacteria, plant or animal cell. Which of the following needs a host cell
to survive?
__________________________
__________________________
__________________________
__________________________
__________________________
Questions
1. Do all viruses have the same structure?
2. Are viruses considered living or non living? Explain.
3. Are antibiotics or over the counter immune system support medicine effective against viruses? Explain.
4.
What will happen if a person has memory B cells against a pathogen and is exposed to the same
pathogen again?
5. How do bacteria benefit mammals like us?
Lytic and Lysogenic Cycle
a. What is the T-4 virus injecting into
the host cell to cause infections?
b. At which stage does this injection
happen?
c. Where in the cycle is the host cell
destroyed?
d. How are the lytic and lysogenic cycles of
viruses different from each other?
Plants
1. Veins in a leaf contain _____________ tissue.
2. Vascular tissue can be found in the roots, stems and leaves of plants. What are two different types of
vascular tissue?
3. What does xylem transport?
4. What does phloem transport?
5. What is the function of the cuticle?
6. Which green organelle is found in mesophyll tissue and what is this organelle’s function?
7. Which structure in plants absorbs water?
8. What do plants need to carry out photosynthesis?
9. What structure of the leaf is responsible for transpiration?
10. What is the difference between phototropism and geotropism (gravitropism)?
11. Which part of a plant responds to phototropism? Geotropism?
12. Look at the plants below. Which one will have the best advantage in the production of sugar? Why?
ECOLOGY
1. What is the difference between primary and secondary succession?
2. Which situation would increase the chance of survival of an ecosystem:
a) one with little or no genetic diversity
b) one with a great deal of genetic diversity
3. Describe the difference between a tundra and a tropical rain forest.
4. In the Woodlands, the city has set aside areas to preserve the forest. How has this impacted the stability
of this ecosystem?
5. What is a food web?
6. Draw a food web for a desert.