Wednesday, March 12, 2014

Photosynthesis and Cell Respiration Review

Chapter 4 Review:

1. Which colors of light are most strongly absorbed by chlorophyll?

2. Where does the oxygen released during photosynthesis come from?

3. Why is water needed in photosynthesis?

4. What are the products of the light dependent reactions?

5. What is made in the light independent reactions?

6. What is the role of RUBP in photosynthesis?

7. What kind of plants use PEP and what advantage does it give them?

8. How are CAM plants different from others in the way they do photosynthesis?

9. What kind of organisms can do photosynthesis?

10. Where inside the chloroplast do the light dependent reactions happen?

Here's some questions to make those brain cells churn out the ATP!

1. What are the differences between aerobic and anaerobic respiration, and which is more efficient?

2. What are NAD+ and FAD used for?

3. What are the three steps in aerobic respiration, and where does each occur?

4. During which step of cellular respiration is the most ATP made?

5. During aerobic respiration, how many ATPs are made from one molecule of glucose in most cells?

6. What is the role of oxygen in aerobic respiration?

7. Describe how the ATP is made during chemiosmosis

8. What is produced by your muscle cells if there is not enough oxygen available at the end of glycolysis for aerobic respiration to continue?

9. Yeasts do a kind of anaerobic respiration called ____________, and produce ___________ and _________ along with 2 ATP

10. What are the important end products of the Citric Acid Cycle, and what happens to each of these products?

Fungi and Plant Review Bio 120 Exam 2

1. Which of the following is found in gymnosperms, and which is found in angiosperms?

A. seeds
B. pollen
C. Vessel cells in xylem
D. tracheid cells in xylem

2. What is the function of the anther in the flower?

3. Which of the following is where one would find ovules?

A. in an anther
B. in the ovary
C. in the stigma
D. in the style

4. Ovules are

A. eggs
B. spores that will become pollen
C. spores that will become eggs
D. immature seeds
E. pollen grains

5. In double fertilization the first sperm fertilizes the egg and the second

A. dies
B. is only used if the first sperm cell dies
C. fertilizes another egg
D. fertilizes a haploid endosperm mother cell to make diploid endosperm
E. fertilizes a diploid ( n+n) endosperm mother cell to make triploid endosperm

6. What is the function of fruit?

7. Microspores become
A. the embryo sac
B. the mature male gametophyte
C. pollen grains
D. eggs E. only B and C above

8. What is the oldest plant on Earth, and what is the most massive
9. How are confiers adapted to life in cold dry climates?

10. What is missing in moss that is present in ferns?
A. swimming sperm
B. seeds
C. pollen
D. vascular tissue
E. ovules

11. Why are flowering plants so much more diverse than the gymnosperms?

12. What do ferns and mosses share in common?
A. seeds
B. swimming sperm
C. pollen
D. vascular tissue
E. dominant sporophyte generation

13. During a plant's life cycle the _______ generation is diploid and makes spores
A. sporophyte
B. gametophyte
C. sori
D. sporangia
E. photosynthetic

Fungi  Questions
1. A lichen is made of a ____ and a ____. What is the ecological role of lichens?
2. What role do fungi play typically in their habitat?
3. How are fungi different from plants?
4. How do fungi feed?
5. How do fungi spread out in their habitat?
6. The body of a fungus is a thread like structure called a ____
6. A mass of the answer in question 6 is call a ____

Sunday, March 2, 2014

5 billion passenger pigeons were hunted to extinction by humans in a few decades, now scientists are trying to bring them back.

Bio 120 students- are you looking for an article to read for your written assignment?
Try  this article from the New York Times about how scientists are using the power of genetic engineering to bring back extinct animals. Most newspaper articles are not acceptable for this assignment, but this is an exception.