$$\text{Total Magnification} = \text{Ocular Magnification} \times \text{Objective Magnification}$$

Question 1

Which organelle is labeled in the left image as responsible for photosynthesis in plant cells?

Accepted Answer

Chloroplast

Question 2

What is the total magnification when using a 40X objective lens with a 10X ocular lens?

Accepted Answer

$$40 	imes 10 = 400	imes$$

Question 3

As you increase the magnification on a microscope, what happens to the field of view (FOV)?

Accepted Answer

The FOV decreases

Question 4

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, prokaryotic cells do not

Question 5

In the osmosis lab, what did the dialysis tube represent?

Accepted Answer

A cell membrane

Question 6

If a plant cell is placed in a hypertonic NaCl solution, what will happen to the cell?

Accepted Answer

It will plasmolyze

Question 7

Refer to the enzyme reaction graph. What does the lower peak (black line) represent?

Accepted Answer

Activation energy with enzyme

Question 8

Which enzyme was present in the potato extract used in the enzyme lab?

Accepted Answer

Catechol oxidase

Question 9

What are the substrates for catechol oxidase?

Accepted Answer

Catechol and oxygen

Question 10

Based on the table of test tubes, which tube is the control in the enzyme specificity lab?

Accepted Answer

2C

Question 11

Which test tube in the image shows the highest benzoquinone formation?

Accepted Answer

Tube 5

Question 12

Which of the following statements are TRUE based on the enzyme-substrate diagram?

Accepted Answer

I and IV

Question 13

What is the effect of phenylthiourea on catechol oxidase activity?

Accepted Answer

It inhibits the enzyme by binding copper ions

Question 14

Which of the following is NOT a factor studied in the enzyme lab exercises?

Accepted Answer

Genetic mutation

Question 15

If a cell with a 0.9% solute concentration is placed in a solution with 5% solute, what will happen to the water movement?

Accepted Answer

Water will move out of the cell

Question 16

Which structure is found in plant cells but not in animal cells?

Accepted Answer

Chloroplast

Question 17

Which of the following best describes the function of the vacuole in plant cells?

Accepted Answer

Storage of water and nutrients

Question 18

Which of the following cells did you NOT observe under the microscope during the eukaryote cells lab?

Accepted Answer

Oscillatoria

Question 19

What is the equation for calculating total magnification on a compound microscope?

Accepted Answer

$$	ext{Total Magnification} = 	ext{Ocular Magnification} 	imes 	ext{Objective Magnification}$$

Question 20

Which of the following is a function of the cell membrane?

Accepted Answer

Regulates movement of substances in and out of the cell

Lab Exam 2 Review – Cell Biology & Enzyme Function Guidance

Study Guide - Practice Questions