Wednesday, February 29, 2012

Taste Tester Strip Experiment


In my family, everybody tasted the test strips. Therefore, you can tell this trait will most likely be a dominant trait. If it is dominant, this means the generations before my grandparents, my mom, and I would of most likely been able to taste the strips if they were still alive. generally the trait runs through the family and will continue to be passed down from generation to generation because having this trait is dominant in my family.

Stem Cells Prezi

This is my link for our prezi

Wednesday, February 15, 2012

Baby lab

In biology class the past week or so, we have been studying the traits of babies and what they get from their parents. We have mainly covered dominant and recessive traits. Dominant is the controlling gene. If you have a dad that has the dominant gene, say he gets a disease; this makes have at least a 50% chance of getting this disease.
TraitParent 1′s GenotypeParent 2′s GenotypeBaby’s GenotypeBaby’s Phenotype
GenderXXXYXYBoy
Molemmmmmmno mole
Eyebrow Sizeeeeeeedon’t meet
Eyebrow texturekkKKKkbushy eyebrows
Eyebrow shapebbbbbbstraight eyebrows
Eye Shapeoooooooval eyes
Earlobesllllllattached
Cheek frecklesffffffno freckles
Cheek dimplesddddddno dimples
Chin dimpleppppppno chin dimple
Chin shapeZZZZzzround chin
Mouth shapeCCccCcbowed
Hairlineqqqqqqstraight 
Face shapeAAaaAaround
Nose sizeNnNnNnmedium
Lip sizeGgGgGgmedium lips
Hair curlinessHhhhHhwavy hair
Eye separationLiLiLimedium set eyes
Eyelash lengthJjJjJjmedium eyelashes
Hair colorrrSsRrSSrrSSdark blonde hair
Eye colorttUuTtUUTtUulight brown
Skin colorvvWwVvwwVvwwlight beige

Thursday, February 9, 2012

Onion Root lab and Webquest

InterphaseProphaseMetaphaseAnaphaseTelophaseTotal
number of cells201032136
percent of cells56%28%8%6%2%100%

1.  What percent of cells were in interphase? 56% percent of cells.
2. What percent were in mitosis? 44% of these onion roots are in mitosis.
3. Which phase of mitosis takes the longest?  As you can infer from the graph, interphase will take the longest.
4. During which stage is the nucleolus visible as a dark spot? If you observe in the microscope, Interphase can be recognized because the nuclear membrane is still connected, the chromatin has not yet condensed, and you can't see any of the chromosomes yet.
5. How can you recognize a cell in metaphase? The chromosomes are in there condensed state and are aligned in the center of the cell

I also posted this picture and our graph results because I want to explain in a broader view of what the whole mitosis phase looks like.
picture found at:
http://www2.mbusd.org/staff/pware/images/CellCycle.jpg

Tuesday, January 17, 2012

Lip Cancer from Chewing Tobacco

If you use tobacco, you are putting yourself up for the chance of cancer. The worst part of it is, you're choosing to do it. The longer you use tobacco products, the more chance you have of getting cancer. The specific type of cancer I want to talk about is lip cancer. This is what you can get from chewing tobacco. there are so many different kinds of chemicals in chewing tobacco. 28 is just the amount of cancer causing chemicals found in chew. These are just the most harmful chemicals that are added:

  1. Cadmium: used in car batteries
  2. Formaldehyde: embalming fluid
  3. Lead: a poison
  4. Nicotine: an addictive drug
  5. N-Nitrosamines: cancer-causing chemical
  6. Polonium 210: nuclear waste
  7. Acetaldehyde: irritant
  8. Hydrazine: toxic chemical
  9. Benzopyrene: cancer-causing chemical
  10. Uranium 235: used in nuclear weapons
  11. Sodium: salt, can cause high blood pressure
  12. Sugar: can cause cavities
  13. Fiberglass and Sand: abrasives
     So, if you chew tobacco, you might want to stop and take a look at this list. Hopefully you will think, "Wow, they're putting embalming fluid, cancer causing products, and nuclear waste products in this little can, maybe I should stop because I'm setting myself up for risk of many types of cancer." Smokeless tobacco can cause oral, esophageal, and pancreatic cancer! Another type of cancer that can be found is leukoplakia, which is actually pre-cancerous white patches that can be found in the mouth. If you find yourself with any sort of warning sign, such as white patches in the mouth, contact your doctor immediately! 
The pictures I'm going to post are some types of oral cancer from chewing tobacco:
          
The man pictured above is Gruen Von Behrens. He had oral cancer, and as you can see went though a very dramatic and emotional change to get rid of the cancer. 

Wednesday, December 21, 2011

Brown Recluse Venom

The brown recluse spider is a spider native to the US. It can be found in your home in the following places: Dark spots within baths, dormitories, garages, closets and cellars, vent and heating conducts, and seldom used clothes and shoes. Outside it can be found in the following places: storage places, underneath rocks or inside hollow trunks. This spider is actually fairly small, being only 1/4" to 1/2" it can sure pack a lot of venom! Usually if the spider bites you, you can't tell until a few hours later. You wont feel it bite you since it's so small. But after those few hours pass, you can see an irritation in the bitten area. Below is only day one from the Brown Recluse bite.
As you can see, nothing really out of the ordinary, swelling from the venom and irritation around the skin clearly indicates a bite, only you cant tell what really bit you yet since you cant see the real symptoms. After usually about 2 to 3 days you can really see when you have been bitten from something serious. Below is another picture from a Brown Recluse, only this is day 3.
sIf in fact, you notice you have been bitten by something, don't wait 3 days to do something. You need to react fast. Here's a list of the proper precautions to perform if you get bit.

  • First, apply ice on the injury in order to lessen the pain and swelling.
  • Whenever possible, place the bitten part of the body above your heart.
  • Wash the entire area with cool water and soap -do not use warm water.
  • Put sterilized bandages on the injury.
  • Stay calm --nervous states help the venom spread inside your body.
  • Try ibuprofen, naproxen, or similar anti-inflammatory drugs to relieve the pain.
After you realize you have been bitten by the Brown Recluse or any other spider like this, you should definitely call your doctor right away and see what you can do to prevent venom from spreading. The physical reaction to a brown recluse spider bite depends on the amount of venom injected and an individual's sensitivity to it. Some people are unaffected by a bite! Now, I will finally show you the 9th day of this man's painful bite from the Brown Recluse.