Biology Semester Exam

Potatoes, bread and rice are all examples of:

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

The names for sugars often end in

• -ase
• -ars
• -ose
• -ite

The enzymes that catalyze cellular reactions are macromolecules made of organic compounds composed of carbon, hydrogen, oxygen and nitrogen. These types of macromolecules are known as __________.

• Proteins
• Carbohydrates
• Lipids
• Nucleic Acids

In the image, what are the two objects labeled D called?

• Enzyme
• Substrate
• Enzyme-Substrate Complex
• Products

What is the structure that surrounds ALL Eukaryotes and Prokaryotes and controls what comes into and out of the cell?

• cell wall
• cell membrane
• cytoplasm
• nucleus

What is the optimum (best) temperature for the enzyme in the graph? Which temperature gives the highest reaction rate?

• 60 C
• 20 C
• 40 C
• 70 C

What type of cell is shown below?

• Eukaryote
• Prokaryote
• Fungi
• Animal

What type of cell is shown below?

• Bacteria
• Fungi
• Eukaryote
• Prokaryote

Which of the following is found in animal cells but not in plant cells?

• Chloroplast
• Nucleus
• Centriole
• Cytoplasm

Which of the following is found in plant cells but not in animal cells?

• Mitochondria
• Nucleus
• Cytoplasm
• Chloroplasts