Metric System
What is the base unit for mass in the metric system?
Grams
What is the purpose of an experiment?
To refute or support the hypothesis
What is natural selection?
The process through which populations of living organisms adapt and change
What reagent would you use to detect proteins?
Biuret reagent
What is a meniscus?
A curve in the surface of a liquid (usually in a graduated cylinder)
Define hypothesis.
An idea or explanation that you then test through study and experimentation
Who is the father of evolution?
Charles Darwin
What color change do you expect if starch is present in a solution?
A black/blue/purple color.
What is the simplicity of the metric system compared to the English standard system?
You can easily convert between different measurements by using the power of 10s and using the ladder method.
Why is it important to control for confounding variables in an experiment?
It can lead to inaccurate conclusions
What is an adaptation?
A trait that helps organisms survive and reproduce
What are the four classes of biomolecules?
Proteins, lipids, carbohydrates, and nucleic acids.
How many g are in 1 mg?
.001g
Functions performed by the hypothesis are:
a. Hypothesis helps in directing the inquiries in the right direction
b. Hypothesis does not help in verifying the observations
c. It helps in making an observation and experiments possible
d. It becomes the starting point for the investigation
B
Why might natural selection cause different populations of birds to develop different shaped beaks?
Allow them to eat different types of foods
Coconut oil is very high in ________
Saturated fat
How many cm are in 1 km?
100000cm
When would you usually use a line graph?
To show continuous data and to visualize a trend in data over a period of time
What is artificial selection?
The process by which humans choose individual organisms with certain phenotypic trait values for breeding
Enzymes are _____ that facilitate the chemical reactions needed for cellular work.
Proteins