Question 1

Which of the following best describes the relationship between cell structure and function, as emphasized in BIOL 340?

Accepted Answer

Cell structure, including shape, membrane, organelles, and cytoskeleton, is directly related to its function, and changes in structure can impact function.

Question 2

A scientist is studying two cell types with identical DNA but different shapes and functions. Which concept from BIOL 340 explains this phenomenon?

Accepted Answer

Differential gene expression and information flow determine cell shape and function.

Question 3

Which equation would you use to calculate the change in free energy ($$\Delta G) $$for a cellular reaction, as discussed in the bioenergetics section?

Accepted Answer

$$\Delta G = \Delta H - T\Delta S$$

Question 4

In a laboratory experiment, you measure the rate of an enzyme-catalyzed reaction at various substrate concentrations. Which equation would you use to analyze enzyme kinetics?

Accepted Answer

$$v = \frac{V_{max}[S]}{K_m + [S]}$$

Question 5

A mutation causes a cell to lose its ability to regulate metabolic pathways. Which cellular process is most likely to be disrupted?

Accepted Answer

Energy balance and response to changing physiological conditions.

Question 6

Which laboratory technique would you use to separate and identify proteins in an erythrocyte plasma membrane isolate?

Accepted Answer

Polyacrylamide Gel Electrophoresis (PAGE)

Question 7

A student is analyzing the effect of temperature on enzyme activity. Which of the following best describes what they should expect?

Accepted Answer

Enzyme activity increases with temperature up to an optimum, then decreases due to denaturation.

Question 8

Which of the following best illustrates the principle of energy conservation in cellular respiration?

Accepted Answer

The energy from glucose is transformed into ATP, heat, and waste products.

Question 9

A patient has a genetic defect that impairs the function of aquaporins in red blood cells. Which laboratory exercise from BIOL 340 would best help you study this defect?

Accepted Answer

Determination of the Presence of Water Channels in Mammalian Red Blood Cell Plasma Membranes

Question 10

Which of the following is a key competency developed in BIOL 340 that is directly related to professional development?

Accepted Answer

Punctuality, time management, and following instructions.

Question 11

Which of the following best describes the role of the cytoskeleton in cellular function?

Accepted Answer

It provides structural support, facilitates cellular movement, and helps maintain cell shape.

Question 12

A researcher uses EXCEL to analyze data from a cell biology experiment. Which Life After Mary Washington competency is being practiced?

Accepted Answer

Digital fluency

Question 13

Which of the following equations would you use to determine the equilibrium constant ($$K_{eq}) $$from the standard free energy change ($$\Delta G^\circ$$)?

Accepted Answer

$$\Delta G^\circ = -RT \ln K_{eq}$$

Question 14

Which of the following best describes the process of science as practiced in BIOL 340?

Accepted Answer

Collecting and analyzing data, summarizing patterns, and drawing appropriate conclusions.

Question 15

A cell biologist is investigating how a signaling pathway affects tissue development. Which BIOL 340 concept is most relevant?

Accepted Answer

Systems: Differential gene expression, protein interaction, and signaling pathways.

Question 16

Which of the following is a real-world application of enzyme kinetics studied in BIOL 340?

Accepted Answer

Analyzing how glucose oxidase activity changes in diabetic patients.

Question 17

A student is asked to model how a protein's conformational change facilitates its function. Which competency is being developed?

Accepted Answer

Modeling and simulation

Question 18

Which of the following best describes the importance of responsible research conduct in cell biology?

Accepted Answer

It ensures data integrity, reproducibility, and ethical treatment of results.

Question 19

A cell is exposed to a toxin that disrupts the electron transport chain. Which process will be most directly affected?

Accepted Answer

ATP synthesis during cellular respiration.

Question 20

Which of the following best illustrates the concept of communication as a core competency in BIOL 340?

Accepted Answer

Summarizing experimental results in a lab report using clear scientific language.

BIOL 340 Cell Biology Syllabus and Core Competencies Study Guide

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