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WorksheetsAP Unit 1 Review
Total questions: 15
Worksheet time: 15mins
The electrons in a polar covalent molecule are shared...
Evenly
Unevenly
Electrons are not shared
None of the Above
Is this molecule polar or non-polar?
Polar
Non-polar
Which of the following is a polar molecule?
CH4
Xe
H2O
CO2
A product that contains lots of hydrogenated oils is probably rich in:
Saturated fat
Unsaturated fat
Monosaturated fat
Trans fat
Identity the structure:
Carbohydrate
Lipid
Nucleic Acid
Protein
Identity the structure:
Carbohydrate
Lipid
Nucleic Acid
Protein
Identity the structure:
Carbohydrate
Lipid
Nucleic Acid
Protein
Identity the structure:
Carbohydrate
Lipid
Nucleic Acid
Protein
If cells are grown in a medium containing radioactive 15N, which of these molecules will be labeled?
both proteins and nucleic acids
proteins only
amylase only
nucleic acids only
Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?
Dehydration reactions eliminate water from lipid membranes, and hydrolysis makes lipid membranes water permeable.
Dehydration reactions ionize water molecules and add hydroxyl groups to polymers; hydrolysis reactions release hydroxyl groups from polymers.
Dehydration reactions assemble polymers, and hydrolysis reactions break down polymers.
Dehydration reactions can occur only after hydrolysis.
Which property is most closely associated with the hydroxyl functional group?
Polar
Nonpolar
Basic
Acidic
Water drops that fall on a surface tend to form rounded drops or beads. This is due to the __________ of water.
adhesion
cohesion
density
specific heat
What is the primary function of carbohydrates in living organisms?
Energy storage
Structural support
Catalyzing reactions
Genetic information storage
Which of the following best describes the role of enzymes in biological reactions?
They increase the activation energy required for the reaction.
They decrease the activation energy required for the reaction.
They are consumed in the reaction.
They provide energy for the reaction.
In an experiment, a student measures the pH of a solution and finds it to be 3. What can be concluded about the solution?
It is neutral.
It is acidic.
It is basic.
It is a buffer.
