QUESTIONS & ANSWERS (RATED A+)
Characteristics of Living Things (9) - ANSWER1. Reproduction
2. Growth/Development
3. DNA
4. Metabolism
5. Order
6. Cells
7. Response to the environment
8. Adaptions
9. Evolution
Toxoplasmosis - ANSWERa single-celled parasite called toxoplasma gondii causes
a disease known as _________________
How is DNA linked to the production of proteins? - ANSWERDNA holds the
instructions for the cells on how to make proteins.
smallest cells are... - ANSWERbacteria
Legionnaires Disease - ANSWERcaused by bacteria
discovered in 1976
AIDS - ANSWERcaused by a virus
discovered in 1984
hypothesis - ANSWER- must be testable
- a proposed explanation for an observation
largest cells by volume are... - ANSWERostrich eggs
Flagellum(a) - ANSWERMoves the cell through the environment
Cilia - ANSWER- Shorter than flagella
- Not really for cell movements
- Moves the environment around the cell, not the cell itself
- Found in the nose and respiratory tract, digestive tract, ear, fallopian tube
RH Blood type (+ or -) - ANSWER- Rh present=positive
- Rh absent=negative
, Where does toxoplasmosis reproduce? (the ONLY place) - ANSWERthe gut of cats
Natural Selection - ANSWERorganisms that are better adapted to their environment
tend to survive and produce more offspring
Science is ______________ and ________________. - ANSWER1. testable (collect
data)
2. objective (no personal feelings)
steps of the Scientific Method - ANSWER1. Observation
2. Question
3. Hypothesis
4. Prediction
5. Experiment
6. Conclusion
prediction is written in what form? - ANSWER"If, then" statement
independent variable - ANSWERwhat is different (being changed)
the difference between the control and experimental group
dependent variables - ANSWERstay the same in control and experimental group
What is important in scientific experiments? - ANSWERrepeatability! (trials)
confidence level - ANSWERIf an experiment has a 95% confidence level, that means
a given experiment has the same result 95% of the time
What is the confidence level in science versus the confidence level in medicine? -
ANSWERscience: 95% or higher
medicine: 99% or higher
What gets people sick? - ANSWERgerms
The Germ Theory of Disease - ANSWERmicroorganisms may be the case of many
diseases
theory - ANSWER- is much broader in scope
- it is much more comprehensive, it has not been shown to be false and it already
explains a great many of observations
- they are supported by a large and growing body of evidence
Will a theory hold true forever? - ANSWERmaybe
Science is ALWAYS ________. - ANSWERtentative