Small Things
Microscopes are used to _.
Magnify samples
What metric measurements are used in science?
Temperature
Volume
Weight
What are the steps of scientific method?
1. Observe
2. Question
3. Hypothesis
4. Prediction
5. Experiment
6. Analyze data
7. Conclusion
What are the for different types of organic molecules?
Carbohydrates
Lipids
Proteins
Nucleic Acids
What the different types of transports?
Passive and Active
What is the Cell Theory?
All life is composed of cells.
Cells are functional units of life.
All cells come from preexisting cells.
When measuring water in a graduated cylindar, how do you read the results?
Look at the bottom of the meniscus at eye level for the most accurate reading.
What is a hypothesis?
A statement based upon prior knowledge, primary observations, and logic
What test should you use if want to test for carbohydrates?
Benedict's
What is the diffusion of water?
Osmosis
What part of the microscope is used to magnify the sample or slide?
Objective lenses (4x, 10x, 40x)
Which container is best suited for running reactions or mixing or heating?
Flask
Treatment and control groups
What the five different nucleic bases?
Adenine
Cytosine
Guanine
Thymine
Uracil
Active Transport requires what?
Energy or ATP
How do you calculate the total magnification?
Total magnification = eyepiece lens x objective lens
What is accuracy?
how close a measured value is to the actual value
What is qualitative data?
data that includes qualities (e.g. color, smell, taste)
A recipe calls for a stick of butter and my friend is helping me study for the midterm. She asks me what kinds of fat is it? What do you tell her?
In regards to tonicity, what would you call the solution a blood cell that is about to lyse is in?
hypertonic
What are the differences between plant cells and animal cells?
Cell Walls
Chloroplast
Vacuole
Why might an experiment performed by two difference people have different results?
using technology differently, not measuring acurrately
What are the two different variables?
Independent and dependent variable
When a peptide bond in proteins is broken down, what is it called?
Dehydration synthesis
For plants, what is the term when the cytoplasm pulls away from the cell wall?
Plasmolysis