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Biology Core Concepts
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1
Question
What is the primary function of carbohydrates?
Page 3
Answer
Provide quick energy
2
Question
Give examples of foods containing carbohydrates.
Page 3
Answer
Pasta, bread
3
Question
What is the primary function of lipids?
Page 3
Answer
Long-term energy storage
4
Question
Name foods that are sources of lipids.
Page 3
Answer
Fish, oils
5
Question
What role do proteins play in cells?
Page 3
Answer
Catalyze reactions (enzymes and other types)
6
Question
What is the function of nucleic acids?
Page 3
Answer
Store genetic information
7
Question
Name the two types of nucleic acids.
Page 3
Answer
DNA and RNA
8
Question
Which organic compound provides quick energy like in pasta and bread?
Page 3
Answer
Carbohydrates
9
Question
Which organic compound is responsible for long-term energy from fish and oils?
Page 3
Answer
Lipids
10
Question
What defines cohesion in water?
Page 3
Answer
Ability of water molecules to stick to each other
11
Question
What is adhesion in the context of water properties?
Page 3
Answer
Ability to stick to other surfaces or substances (except oil)
12
Question
Why is water called the universal solvent?
Page 3
Answer
It dissolves many substances (except oil)
13
Question
What does high specific heat mean for water?
Page 3
Answer
It takes a long time to change temperature
14
Question
Describe water polarity.
Page 3
Answer
Slightly positive hydrogen atoms and slightly negative oxygen atom
15
Question
What is surface tension in water?
Page 3
Answer
Resistance to external force
16
Question
What enables capillary action in water?
Page 3
Answer
Water climbing up narrow surfaces (like tree roots)
17
Question
Why does ice float on water?
Page 3
Answer
Solid water (ice) is less dense than liquid water; ice spreads out
18
Question
Name a substance water cannot dissolve well.
Page 3
Answer
Oil
19
Question
What are the three states of matter for water mentioned?
Page 3
Answer
Water (liquid), ice (solid), steam (gas)
20
Question
On the pH scale, what range indicates acidic solutions?
Page 3
Answer
0 to less than 7
21
Question
What pH value is considered neutral?
Page 3
Answer
7
22
Question
On the pH scale, what range is basic?
Page 3
Answer
Greater than 7 to 14
23
Question
What is the function of the base on a microscope?
Page 3
Answer
Bottom of the microscope
24
Question
What does the arm of a microscope do?
Page 3
Answer
Holds the microscope structure
25
Question
What is the body tube in a microscope?
Page 3
Answer
Eyepiece
26
Question
What is the purpose of the revolving nosepiece?
Page 3
Answer
Rotates lenses
27
Question
What are objective lenses on a microscope?
Page 3
Answer
Low, medium, high power lenses
28
Question
Where is the stage on a microscope?
Page 3
Answer
Where the specimen is placed
29
Question
What do stage clips do?
Page 3
Answer
Hold the slide in place
30
Question
What is the diaphragm's role in a microscope?
Page 3
Answer
Controls the amount of light