Monday, November 25, 2013

Post 13: Nov 25,26

Anatomy:  According to the chart on page 305, what is the composition of plasma by weight?

Biology:  Summarize what you learned about your scientist that you did a biography on.

Biochemistry:  Explain what could cause a blood vessel injury and the process behind it's repair.

Physics:  Explain how momentum and kinetic energy change during the impact of two basketball players who collide into one another.  Explain how mass and velocity are involved in this collision.

Env Chem:  Summarize (5-7 sentences) what you learned from one of the sections that your classmates presented last class period.

Botany:  No class due to thanksgiving break and fun day.

Thursday, November 21, 2013

Post 12: Nov 21,22

Anatomy and Physiology:  Explain an illness or disease that might cause an elevation of your neutrophils, basophils and eosinophils.

Biology:  What sequences of bases would pair with the sequence TGACTA.  How does replication ensure that cells have complete sets of DNA?

Biochemistry:  What determines the rate of a reaction?  Explain.

Env Chem:  Explain 3 properties that make water unique.

Botany:  If all of the bacteria in North America were eliminated for one year, how would our lives be affected?

Physics:  Explain the concept of centripetal acceleration.  Give an example as well.


Monday, November 18, 2013

Post 11: Nov 19 and 20

A and P:  Using the coloring book pages I gave the sub, briefly describe the formed elements found in blood.

Biology:  Read through section 8.1 in the text and explain the role of Oswald Avery in discovering DNA.

Biochemistry:  What is an enzyme and give 2 ways that they are important to the human body.

Env Chem:  The book states "water is for life".  Give 4 supporting reasons the book lists for this statement.  (See page 199)

Physics:  If an automobile engine delivers 100.0 HP of power, how much time will it take for the engine to do 1.2 x 10^6 J of work?  (1 HP = 746W)

Botany:  Describe each of the 3 shapes of bacteria.  Does their shape affect their role?

Thursday, November 14, 2013

Post 10: Nov 14, 18

A and P:  Briefly describe two of the disorders of the eye that you read about.

Biology:  An organism is heterozygous dominant for feather color (brown).  It breeds with another organism that is homozygous recessive (white) for feather color.  What is the genotype and phenotype for their offspring?

Biochem:  Describe what HIV is and how inhibitors have potential to stop the virus, including which enzymes were targeted.

Physics:  An engineer working on a space mission claims that if momentum concerns are taken into account, a spaceship will need far less fuel for the return trip than for the first half of the mission.  Write a short explanation to support this hypothesis.

Env Chem: Using the information from pages 166-170 in your text, summarize the process that occurs in an oil refinery and identify the products produced.

Botany:  What do you know about bacteria?  List 3 benefits and 3 harmful effects of bacteria as you know them.




Tuesday, November 12, 2013

Post 9: Nov 12, 13

Anatomy and Physiology:  Why is it that when you hear a faint sound, you turn your head toward it?  Why does food not taste as good when a person has a cold?

Biology:  Give 3 examples of traits that can be passed from generation to generation.  Also, explain the difference between a purebred and hybrid (cross) organism.

Biochemistry:  Outline the 4 stage process of drug development in the US.

Physics:  Summarize the "Why it Matters" article on page 199.

Env Chem:  After doing your research, in your opinion, can Typhoon Haiyan be linked to climate change?  Explain.  Also, briefly explain what a storm surge is.

Botany:  Explain 3 things that you learned from the leaf colors article.

Friday, November 8, 2013

Post 8: Nov 8,11

Biology:  Using the table I provided in the notes, compare and contrast mitosis with meiosis using 4 facts about them.

Anatomy and Physiology:  Briefly describe the 5 special senses in terms of their function.

Biochemistry:  What are enzymes and briefly explain how they work.

Physics:  A vehicle with a mass of 1/10 of the mass of another vehicle is involved in a head-on collision.  In order to match the amount of momentum contained in the second vehicle, the vehicle must be traveling at 10x the speed of the second vehicle.  Explain why this is.  Also, where does the excess energy get transferred?

Environmental Chemistry:  Find 3 facts about the recent super typhoon Haiyan.

Botany:  What do you think causes tree leaves to change colors this time of year?




Wednesday, November 6, 2013

Post 7: Nov 6,7

A and P:  While working on your house, you step on a nail.  How would you perceive this pain and would it be localized or non-localized and why?  How might you help relieve the pain using the gate control theory?

Biology:  Humans reproduce using sexual reproduction, where egg and sperm fuse together.  What is this process called and how does it help to create diversity in the human species?

Biochemistry:  Explain the 3 ways in which the rate of a chemical reaction can be increased.

Env Chem:  Explain the relationship between human development and energy consumption.  Which type of economies will be using the most energy in the projected future?

Botany:  What might be the advantage in modifying a seed's longevity and/or dormancy period?  Explain.

Physics:  Explain how momentum, mass and velocity are related.  Which has more momentum a semi or a car?  Why?


Monday, November 4, 2013

Post 6: Nov 4,5

A and P:  Distinguish between the types of general sense receptors.

Biology:  Explain 3 factors that regulate cell growth, division and death.  Be specific in your answer.

Biochemistry:  What is the primary cause for the movement of the protein myosin and briefly describe each of the stages of the actin-myosin reaction.

Env Chem:  According to the authors at http://www.afdc.energy.gov/fuels/biodiesel_benefits.html
why is biodiesel the best choice for alternative fuel consumption?  Do you agree? Why or why not?

Botany:  Seed and fruit dispersal is achieved with the aid of wind, water, animals, mechanical means and humans.  If you were designing a new plant, can you think of any new way in which it might be dispersed?

Physics:  Many scientific units are named after famous scientists or inventors.  The SI unit of power, the watt, was named for the Scottish scientist James Watt.  The SI unit of energy, the joule, was named for the English scientist James Prescott Joule.  Use the internet to write a paragraph on what you learn about each of these two scientists and their contributions.