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- 1. Multiple Choice
1.A branch of Biology, which deals with the study of chemical components and chemical process in living organisms is known as:
Molecular biology
Biomedical
Biometry
Biochemistry
- 2. Multiple Choice
All living things are made of certain chemical compounds, which are generally classified as:
Polar and non-polar
Acids and bases
Organic and Inorganic
Ionic and non-ionic
- 3. Multiple Choice
Which of the following are connected by hydrogen bonds?
A. Hydrogen to oxygen within a molecule of water
B. Phosphate to sugar in a DNA molecule
C. Base to sugar in a DNA molecule
D. Hydrogen to oxygen between two different molecules of water
- 4. Multiple Choice
What property of water makes it a good evaporative coolant?
A. High latent heat of evaporation
B. Relatively low boiling point
C. Volatility
D. Transparency
- 5. Multiple Choice
Which statement about water is correct?
A. The atoms within a molecule of water are held together by hydrogen bonds.
B. Water has a low heat capacity allowing enzymatic reactions to happen at a wide range of temperatures.
C. Water molecules are polar, therefore fatty acids do not dissolve.
D. Ice has a higher density than liquid water, therefore some organisms can live under the ice.
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