Which of the Following Experimental Designs Can Be Expected to Produce

question 167

Multiple Choice

Which of the following experimental designs can be expected to produce evidence that a membrane's fluidity is affected by temperature?

• A) Collect fish of the same species from Lake Michigan in both winter and summer, and analyze differences in membrane protein composition of liver cells.
• B) Compare the rate of intermixing of sheep and goat membrane proteins after fusing sheep and goat liver cells in a cold room and in a warmed incubator.
• C) Isolate and analyze the fatty acids present in intestinal cell membranes from three different fish species from the Mediterranean Sea.
• D) Hold fish of the same species at different environmental temperatures in a lab, then isolate their liver cells and analyze differences in their membrane proteins.
• E) Compare the nucleotide sequences of the gene encoding the same receptor protein present in neuronal cell membranes from a desert mouse, Arctic rabbit, and tropical monkey.

---

Definitions:

Card Reader

A device that reads data from a memory card, typically used for accessing photos from digital cameras or transferring data between devices.

Device Manager

A Windows Control Panel applet that lets you view and control the hardware attached to the computer.

Digitizer

A device or technology that converts analog information into digital form, often used with touchscreens and drawing tablets to input data into computers.

Input Device

Hardware used to enter data and control signals into a computer or other devices, such as keyboards, mice, and microphones.