BCLHS: BioHonors Exploring Life Science

Body World 3 field trip

2008-09-04T16:21:00.000-07:00

Hi ladies,
It was a bit difficult to organize our field trip with the Anatomy&Physiology class since the scholastic year has just began, but working together we managed to overcome certain difficulties. We made it, kudos to all of you! Thanks in particular to Sandy and Mellissa for collecting the fee and permission slips.

You're welcome to post a brief comment of your experience and thoughts regarding both the IMAX movie and the exhibit.
Have a great year! Ms. Dimatulac

GENE TECHNOLOGY AND OTHERS BIO PROJECTS

2008-04-02T09:45:00.000-07:00

Hi everyone,
Welcome back and I hope you manged to relax enough during your Easter break! Please post any questions, comments, and difficulties regarding your projects and interactive labs.
Have a great week! Ms. D.

Other resources in Gene and Gene Technology

2008-03-04T16:51:00.000-08:00

Hi ladies,
Thank you for your well-thought comments on the "Cracking the Code of Life" movie.
Here are other resources that may be useful to you besides the links that I put in my webpage. We will also use a few of these resources during one of our interactive class in the computer lab. Also, you may use any of these resources and the webpage links for your research in gene technology.
Ms. Dimatulac

Genetics resources
1. http://www.dnai.org/a/index.html Unravel the mystery of the DNA code

2. http://learn.genetics.utah.edu/units/biotech/gel/ Simulation of Gel Electrophoresis

3. http://learn.genetics.utah.edu/units/basics/transcribe/ Simulation of DNA transcription and translation

4. http://learn.genetics.utah.edu/units/basics/builddna/ Simulation of a DNA molecule

5. http://highered.mcgraw-hill.com/sites/0072437316/student_view0/chapter15/animations.html# Good animations with audio of protein synthesis

6. Transgenic Manipulation animation: http://www.pbs.org/wgbh/harvest/engineer/transgen.html
7. Animation for mutation of DNA to form cancerous tumor: http://www.pbs.org/wgbh/nova/cancer/grow_flash.html
8. Four videos requiring Real Player on "DNA Structure,' "DNA replication," "Protein Synthesis: Transcription," and "Protein Synthesis: Translation" http://www.mhhe.com/socscience/anthropology/stein2003/stein.html
9. The Human Genome Project Video requires Quicktime : http://www.genome.gov/Pages/EducationKit/video/qt/3D.mov
10. DNA fingerprint simulation: http://www.pbs.org/wgbh/nova/sheppard/analyze.html
11. Protein synthesis animation: http://www.lewport.wnyric.org/jwanamaker/animations/Protein%20Synthesis%20-%20long.html
12. Genetic Engineering animations: http://highered.mcgraw-hill.com/sites/0072437316/student_view0/chapter16/animations.html#

2008-02-06T15:17:00.000-08:00

Hi ladies,
As part of the unit of Genetics, you will be working on the webquest project that I have created for you. The title is "Human Genetics Webquest". Please read carefully all the guidelines given to you before working with your group today to distribute the task and start your project. The project is worth 80 points: 50 points from your group grade and 30 points from your individual grade. Due date for this project: 2/22/08.

You are welcome to post any question, clarification, and help that you want to ask from me.

Here is the webquest's site: http://bclhsgenetics.googlepages.com/

Enjoy your quest!!! Ms. Dimatulac

USEFUL RESOURCES

2007-11-30T08:06:00.000-08:00

Hi Ladies,
Here are some useful resources for you in cytology, photosynthesis, and cellular respiration. Enjoy in your study, exploration, and understanding cells. Ms. Dimatulac

PHOTOSYNTHESIS RESOURCES
Ø http://www.biologycorner.com/worksheets/photosynthesis_sim.html lab
Ø http://www.biologycorner.com/worksheets/photosynthesis_rate.html lab

CELLULAR RESPIRATION
http://www.biologycorner.com/worksheets/conceptmap_cellresp.html concept map

2007-10-31T15:51:00.000-07:00

Hi everyone,
We finished discussing cytology (study of cells) today and we also started exploring the transport in cells : How do substances enter in and out the cells? Your task is to review the material we did in class and apply the concepts you've learned in the lab investigation you'll be doing on Mon, Nov. 5th? Do you have any question regarding the pre-lab discussion we did today? Do you have question regarding your long term lab investigation: Observing Osmosis?
If you have any, please just post them. By the way, you may also post any interesting data or thoughts that you would like to share with your classmates.
Thanks and enjoy your experiments! Ms. Dimatulac

NUTRITION PROJECT

2007-10-13T16:55:00.000-07:00

Hi everyone,
You'll find further info below regarding the calculation of the amount of calories for your nutrition project. Also, I know that the first website given in your hand-out is momentarily removed, so use the USDA.gov website.
All the best, Ms. Dimatulac

USRDA guidelines for consumption of caloric dense nutrients

Nutrient
Percent of calories from diet
CHO
55 %
PRO
15 %
FAT
30 %

Thus if one were to consume a 2200 calorie / day diet the number of calories per nutrient category should be:
Nutrient
Calories from diet
CHO = 2200 * 0.55
1210 calories
PRO = 2200 * 0.15
0300 calories
FAT = 2200 * 0.30
0660 calories

2200 calories

Each of the nutrients which contain calories have a specific caloric density. The caloric density for carbohydrate, protein and fat are listed .
CHO = ___4___ calories per gram ( 4 cal/g)
PRO = ___ 4___ calories per gram ( 4 cal/g)
FAT = ___9___ calories per gram ( 4 cal/g)
** Alcohol has 7 cal/g

Using the 2200 calorie diet above, the number of grams needed to be consumed to meet the USRDA requirements are as follows:
CHO = 1210 calories divided by 4 cal/g = 302.5 g
PRO = 0300 calories divided by 4 cal/g = 75 g
FAT = 0660 calories divided by 9 cal/g = 73.3 g

Interpreting Food Labels
When calculating calories from food labels , the label will provide information on the gram weight of the nutrient per serving. Note how the following values are calculated. Practice calculation:
A single serving of a food product has 31 grams of CHO, 5g of PRO, and 13g of FAT. What is the total caloric value of a single serving?
CHO = 31g * 4 cal/g = 124 calories
PRO = 05g * 4 cal/g = 020 calories
FAT = 13 g * 9 cal/g = 117 calories
TOTAL CALORIES = 261

What is the percent fat of the product ?
FAT calories / Total calories = percent fat
117 / 261 = 44.8 % fat

Is the product "low fat"? Why or why not ?
No, because in order for a food to be considered low fat , the percentage of fat in the product must fall at or below 30% of the total caloric density.

2007-09-28T17:11:00.000-07:00

Hi everyone,
We are invited to the CA Science Center Imax Presentation, FREE, on October 10, 2007. The title of the presentation is Sea Monster. You may use this activity to review (write about it) instead of your article review for the first quater. You have to go independently, you may go either with your parents or guardians. This event may be very interesting!

Please let me know if your coming by October 3, 2007. You may post any questions and response on this site. See details of the Imax Presentation below:

You are invited to be a special guest!

'07-08 season, and other education programs by joining us for an exclusive free screening of the IMAX 3-D feature film "Sea Monsters, A Prehistoric Adventure."

WHEN: Sunday, October 7, 2007, 6:30 pm - 8:30 pm

WHERE: IMAX Theater, California Science Center, 700 State Drive, Exposition Park, Los Angeles, CA 90037 *

WHO: Teachers, students, and their families. (You must rsvp by Oct. 7 - see information below)

COST: FREE!

Sean Phillips, director of "Sea Monsters, A Prehistoric Adventure," uses unique stereoscopic photo technology to create images for an ingenious adventure!
Scientists from around the globe share their work from paleontological excavations revealing ancient mysteries of the ocean world.
Digitally animated "Dolly," a Dolichorhynchops, leads the journey into the deep blue sea!
Guest Speakers will include:
Kathie Armstrong, Executive Director of Quiksilver Foundation
Bob McKnight, President of Quiksilver, Inc. (invited)

2007-09-19T16:24:00.000-07:00

Ladies,
Please post any current questions you have regarding chapter 2: Chemicals of Life. You may also post your analyses and results of your experiment: Investigating the Effect of Acid Rain on the Germination of Seeds.
Ms. Dimatulac

2007-08-29T13:33:00.000-07:00

Hi ladies,
You're welcome to post your thoughts, responses,and reflections to the assignments or any prompt that I post in this site. Have a great year!