Cell Specialization
Environmental Influence of Gene Expression
Human Impact
DNA Fingerprinting
100
What is missing from the levels of organization?
Cells, ______, Organs, ___________, Organism
Cells, Tissues, Organs, Organ System, Organism
100
What is a genetic disorder?
A disorder that is inherited from the parent and goes to the child.
100
What is global warming?
When there is too much CO2 in the air
100
Suspect # 2
200
The function of a nerve cell is to?
Transmit messages and signals
200
What is Malaria and is a genetic disorder or an environmental disorder?
Malaria is a serious and sometimes life-threatening environmental disease. It spreads through bites from infected mosquitos
200
What is urbanization?
The process of making way for buildings and highways.
200
suspect #3
300
What is a specialized cell?
A specialized cell is a cell that has a specific part of the DNA that is activated / "turned on".
300
Gene expression is solely determined by genes and is not impacted by the environment.
False
300
What are 3 sustainable practices to lower human impact?
Solar Panels, Wind Farms, Crop Rotation, Recycling, Conservation, Reforestation
300
Label #1 and #3 on the gel below.
#1- Negative charge
#3- Positive Charge
400
Where do stem cells come from?
Embryonic tissue and adult bone marrow
400
In arctic foxes they change color based on the temperature what is the other example?
Hydrangeas, they change color based on the pH of the soil.
400
What is the overuse of pesticides and who does it affect the most?
Biomagnification and it affects the top level consumer the most.
400
Gel electrophoresis separates DNA by ____ and _____
Charge and Length (size)
500
True of False: Once a cell becomes specialized it can go back to being a stem cell.
Explain your answer!
False, once a specialized cell has certain parts of DNA turned on they can NOT go back to a stem cell.
500
Explain why twins do not look identical.
Different environmental influences, one could be in the sun more or one could be a smoker.
500
Explain what deforestation is and how it affects the carbon cycle.
Deforestation is the cutting down of trees, that causes an increase in CO2 and a decrease in O2
500
What cuts the DNA into fragments?
Restriction Enzyme