Fall 2024 Semester Exam (GenBio)

Front

What type of covalent bond forms when electrons are shared equally?

Back

Nonpolar

Front

In an experiment investigating the effect of caffeine on heartbeat, what is the caffeine from energy drinks classified as?

Back

Independent variable

Front

Which cell membrane structure acts as an attachment site for the cytoskeleton?

Back

Peripheral protein

Front

What molecule is made of Carbon, Hydrogen, and Oxygen, with a glycerol and 3 fatty acid tails?

Back

Lipid

Front

Which statement correctly identifies the cells: Cell 2 is eukaryotic; cell 1 is prokaryotic or vice versa?

Back

Cell 2 is eukaryotic; cell 1 is prokaryotic.

Front

What is the definition of a nonpolar covalent bond?

Back

A bond where electrons are shared equally between atoms.

Front

What is an independent variable in an experiment?

Back

The variable that is manipulated or changed to observe its effect.

Front

What role do peripheral proteins play in the cell membrane?

Back

They act as attachment sites for the cytoskeleton and can also function as enzymes or receptors.

Front

What are the two main components of a lipid?

Back

Glycerol and fatty acid tails.

Front

What distinguishes eukaryotic cells from prokaryotic cells?

Back

Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not.