Biology Midterm Review

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions, not by sharing electrons.

Front

Can carbon form triple bonds?

Back

Yes, carbon can form single, double, and triple bonds, but it is not limited to only triple bonds.

Front

What is a key difference between prokaryotic and eukaryotic cells?

Back

Eukaryotic cells have a nucleus, while prokaryotic cells do not.

Front

What makes a water molecule polar?

Back

A water molecule is polar because it has a slight positive charge on one end (hydrogen) and a slight negative charge on the other end (oxygen).

Front

What structures are present in plant cells but not in animal cells?

Back

Chloroplasts and cell wall.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the role of the cell wall in plant cells?

Back

The cell wall provides structural support and protection to the plant cell.

Front

What is the difference between diffusion and osmosis?

Back

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration, while osmosis specifically refers to the movement of water across a semipermeable membrane.

Front

What is the function of the plasma membrane?

Back

The plasma membrane regulates what enters and exits the cell, maintaining homeostasis.

Front

What are the main components of a nucleotide?

Back

A nucleotide consists of a phosphate group, a sugar molecule, and a nitrogenous base.