The internal temperature of hibernating mammals, such as bears, drops when they hibernate. How do they maintain the fluidity of their cell membranes to compensate for this drop?

What is a TRUE statement about passive transport

Trans unsaturated fatty acid tails pack:

In plant cells, H+ pumps maintain a low concentration of H+ inside the cell. As long as a low H+ concentration is maintained inside the cell, H+ -driven symporters on plant cell membranes can use the electrochemical gradient of H+ to:

The “hydrophobic effect” is the driving force of the spontaneous assembly of the lipid bilayer of cell membranes in water. What does that mean?

What is a TRUE statement about how cholesterol influences the lipid bilayer?

A scientist studying the impact of the histone code on cancer adds a drug that BLOCKS histone acetyl-transferase (HAT) function in a breast cancer cell culture. What do you predict will happen to the cells?

Which proteins pictured below are peripheral membrane proteins?  

How does the protein Adaptin contribute to clathrin-mediated endocytosis?

What is TRUE about the synthesis of carbohydrates vs. the synthesis of proteins, DNA, and RNA?