Prologue Chapter - What Is Biology? Flashcards
AIDS definition.
Acquired immune deficiency syndrome; rare infections become fatal.
AZT def.
First drug to slow the reproduction of the virus AIDS, now protease inhibitors to lower death
HIV def.
Causative virus that attacks the immune cells.`
Why is HIV similar to flu viruses such as H1N1?
Because similar to H1N1, HIV continually evolves by mutations in DNA.
Genetic engineering def`
Manipulating DNA in cells to improve health,
For example, crops
Bioethics of Biotechnology def
Use or abuse? Get facts to decide!
What does HGH do? How is it made?`
Controls growth
Is made in a lab by inserting it’s DNA sequence into bacteria
What does the scientific method do?
It’s a method of solving problems
Hypothesis def
a tentative answer to the problem question
control definition
standard against which the experimental factors are compared and possibly changed
What is the procedure you should always follow during a controlled experiment?
ONLY TEST ONE FACTOR AT A TIME; Keep other variables constant; continue trials in the experiment to increase reliability in your data; average the results
Independent variable def
manipulated by the experimenter
Dependent variable def
factors that you measure as a result of the independent
On which axis is the independent, and on which is the dependent?
IV on x-axis
DV on y-axis
What is the difference between a theory and conclusion?
Theories explain current observations and predict new ones. Conclusions proves a statement true after repeated experimentation
