Fall Midterm Review (OnRamps Biology)

Front

What functions as a recognition site for interactions between cells?

Back

Glycolipids

Front

What is the correct representation of DNA replication for the segment T-A-C-G-C-G-A-A-T?

Back

A-T-G-C-G-C-T-T-A

Front

Which structure is common to both plant and animal cells?

Back

Mitochondrion

Front

What does a figure with differently shaded portions representing different polypeptide chains illustrate?

Back

The quaternary structure of a protein

Front

What is defined as the attraction of the hydrogen from one molecule to the oxygen of a different molecule?

Back

Hydrogen bonding

Front

What are phospholipids?

Back

Molecules that form the bilayer of cell membranes, consisting of hydrophilic heads and hydrophobic tails.

Front

What is the primary function of mitochondria?

Back

To produce ATP through cellular respiration.

Front

What is the difference between primary and secondary protein structures?

Back

Primary structure is the sequence of amino acids, while secondary structure refers to the folding or coiling of the chain into alpha-helices or beta-pleated sheets.

Front

What is the role of cholesterol in cell membranes?

Back

To maintain membrane fluidity and stability.

Front

What is the significance of hydrogen bonding in water?

Back

It contributes to water's high surface tension, specific heat, and solvent properties.