With this copying the code worksheet/internet assignment, I learned a few things about DNA and how to tell the difference between observations, opinions, and inferences. I sorted though all the clues in my mind and decided which ones represent solid evidence of DNA replication and transcription/translation. For example, When DNA from a virus is injected into a bacterium, the bacterium produces viral protein and thats evidence supporting transcription/translation.
4. Write an explanation detailing why this clue represents solid data and is not an opinion or an inference.
Clue 8 is solid data and not an opinion or an inference because it explains what they saw and what happened step by step and what it was with what was happening by saying the bacteria with heavy DNA, when it was transferred to a culture tube with lighter nitrogen, did form DNA molecules that were made of half heavy and half light. It gives reasons and it explains what happened therefor, it IS solid fact and NOT opinion OR inference.
5. a) Why is it difficult to tell the difference between an observation and an inference?
It is hard to tell the difference between an observation and an inference because an inference is a conclusion or a deduction based on observations and an observation is data collected with any of the senses or tools such as graduated cylinders, dalliances, rulers or pH meters.
b) Which of the clues included in the table is an inference?
Clue 9, It also goes step by step in what happened and kinda how it happened also.
c) Which of the clues included in the table is an opinion?
Clue 10, it seems like it is just a statement made with only some knowledge of DNA.
6. Francis Crick was the first to recognize that information flows from DNA to RNA to protein. This concepts known as the Central Dogma. At the time the Central Dogma was first stated, it was an inference based on observations. Explain why.
Because no one knew for real weather it was that way or not. No one actually looked yet so they just guessed.
Friday, March 28, 2014
Wednesday, March 12, 2014
DNA Model
The DNA model is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms. DNA also stands for Deoxyribonucleic acid. There are two sides of a DNA molecule. Both sides are made up of nucleotides whos bases connect with each other with a weak hydrogen bond. When both of the bases meet, they form a base pair which is kind of like the part you step on when you’re on a ladder. Each nucleotide has three parts that make it up. Those three things are: Sugar, Base, and Phosphate. The other side to each nucleotide is always going to be flipped, being opposite to the other. Then, after everything is connected, the shape or twist it replicates is called a double helix. Everyones DNA might not be the same, but in detail, they are all made the same way.
Picture from: http://dnamazing.com/mini-dna-model-product-review/
DNA Scavenger Hunt
1. It took him eight years and more than 10,000 pea plants to discover the laws of inheritance.
Gregor Mendel
2. Even though he added an extra strand to the structure of DNA, he ultimately won two Nobel Prizes: the Nobel Prize in Chemistry and the Nobel Peace Prize.
Friedrich Meischer
3. The scientist won two Nobel Prizes in Chemistry: one for his work on the structure of protein and another for work on the determination of base sequences in nucleic acids.
Carl Correns
4. These scientists used a common kitchen appliance to help show that phage DNA carries instructions to make new phage particles. Thinking of making a milkshake?
Hugode Vries and Erichuon Tschermak
5. Next time you're munching away at the moves, think of this Nobel-Prize winning scientist who figured out the process of transportation in corn chromosomes.
Thomas Morgan
6. When did Drs. Watson, Crick and Wilkins receive the Nobel Prize in Physiology or Medicine for solving the structure of DNA?
1962
7. This scientist found that some viruses have an RNA-dependent DNA polymerase that was later named "reverse transcriptase." He was one of three who shared in the 1975 Nobel Prize in Physiology or Medicine.
Fredrick Sanger
8. Even though he had worked on a potato farm, Steve Fodor's work led to the development of this kind of chip (you can't eat it!)
Genechip
9. J. Craig Venters company, Celera Genomics, worked on this very important project.
EST method of finding genes
10. Meselson and Stahl invented this new technique in their quest to prove that DNA replication is semi-conservative
Density giodient center function
11. In which year was the first test-tube baby born?
1978
12. I first isolated DNA using pus collected from bandages at a local hospital. Since white blood cells are a major component of pus, they were my source of DNA. Yuck!
Fredrich Miescher
13. The "fly room" at Columbia University was established through my efforts. Imagine working in a room filled with bottle after bottle of fruit flies!
Thomas Morgan
14. We worked together to demonstrate how genes work during development to change egg cell into a complex organism. Follow our experiment and find out what the names of the stages are that a fruit fly goes through when maturing from a fertilized egg to an adult.
Eric Wieschams & Christane Nusslen
15. I showed that RNA could act as its own catalyst. Because of my work, it is no longer correct to state, "all enzymes are proteins".
Thomas Cech
Gregor Mendel
2. Even though he added an extra strand to the structure of DNA, he ultimately won two Nobel Prizes: the Nobel Prize in Chemistry and the Nobel Peace Prize.
Friedrich Meischer
3. The scientist won two Nobel Prizes in Chemistry: one for his work on the structure of protein and another for work on the determination of base sequences in nucleic acids.
Carl Correns
4. These scientists used a common kitchen appliance to help show that phage DNA carries instructions to make new phage particles. Thinking of making a milkshake?
Hugode Vries and Erichuon Tschermak
5. Next time you're munching away at the moves, think of this Nobel-Prize winning scientist who figured out the process of transportation in corn chromosomes.
Thomas Morgan
6. When did Drs. Watson, Crick and Wilkins receive the Nobel Prize in Physiology or Medicine for solving the structure of DNA?
1962
7. This scientist found that some viruses have an RNA-dependent DNA polymerase that was later named "reverse transcriptase." He was one of three who shared in the 1975 Nobel Prize in Physiology or Medicine.
Fredrick Sanger
8. Even though he had worked on a potato farm, Steve Fodor's work led to the development of this kind of chip (you can't eat it!)
Genechip
9. J. Craig Venters company, Celera Genomics, worked on this very important project.
EST method of finding genes
10. Meselson and Stahl invented this new technique in their quest to prove that DNA replication is semi-conservative
Density giodient center function
11. In which year was the first test-tube baby born?
1978
12. I first isolated DNA using pus collected from bandages at a local hospital. Since white blood cells are a major component of pus, they were my source of DNA. Yuck!
Fredrich Miescher
13. The "fly room" at Columbia University was established through my efforts. Imagine working in a room filled with bottle after bottle of fruit flies!
Thomas Morgan
14. We worked together to demonstrate how genes work during development to change egg cell into a complex organism. Follow our experiment and find out what the names of the stages are that a fruit fly goes through when maturing from a fertilized egg to an adult.
Eric Wieschams & Christane Nusslen
15. I showed that RNA could act as its own catalyst. Because of my work, it is no longer correct to state, "all enzymes are proteins".
Thomas Cech
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