Midterm practice

10. Your friend is feeling irritable, lightheaded and dizzy. They are also feeling a bit of confusion and brain fog. Which biomolecule would you recommend your friend consume?

• Protein

• Carbohydrates

• Nucleic Acid

• Milk

2. Which biomolecules contains your genetic information?

• Proteins

• Lipids

• Carbohydrates

• Nucleic Acids

9. Amino Acids are the monomers of __________.

• Nucleic Acids

• Proteins

• Carbohydrates

• Lipids

6. The monomer of carbohydrates is known as _______.

• Amino Acid

• Fatty Acid

• Nucleotide

• Monosaccharide

Enzymes are an example of

• lipids

• carbohydrates

• protein

• nucleic acid

What is a substance called if it speeds up a chemical reaction?

• reusable

• catalyst

• specific

• fragile

An enzyme speeds up a reaction by

• raising the activation energy

• lowering the activation energy

• releasing energy

• absorbing energy.

What happens when enzymes are heated to a high temperature?

• The shape of the enzyme are changed and it denatures

• The enzymes die

• The enzymes' amino acid sequence changes

• The enzymes remain the same

A scientific explanation for a set of observations that can be tested with an experiment

• Theory

• Hypothesis

• Conclusion

• Data

The factor that is observed or measured during an experiment; the data collected

• Independent Variable

• Constant

• Dependent Variable

• Control Group