Biol 325 Exam 1 Questions And Answers With Complete Solutions | New Update 2026

Biol 325 Exam 1 Questions And Answers With
Complete Solutions | New Update 2026


What are the 4 macromolecules and the monomers of each? - ANSWERS 1.
Protein = Amino Acids
2. Lipid = glycerol
3. nucleic acids= nucleotides
4. carbs = monosaccaride


Structure of RNA and DNA - ANSWERS 1. nucleic acids
2. monomer = nucleotides
3. nitrogenous bases
4. sugar phosphate backbone


Water loving / hydrophilic/polar - ANSWERS - hydrogen bonding
- ionic bonding
-water, inorganic ions, nucleic acids, carbs, proteins


water hating/hydrophobic /non-polar - ANSWERS -OH bonding
- like dissolves like
- fats, cholesterol, proteins


nucleus - ANSWERS - stores chromatin, control center

, - double lipid bilayer, nuclepores


SER - ANSWERS - synthesis of lipids, steroids, metabolism of carbs, Ca storage
- single lipid bilayer


RER - ANSWERS - protein synthesis for membranes & outside cell
- single lipid bilayer


Golgi - ANSWERS - modifies & packages proteins


Mitochondria - ANSWERS - produces ATP
- Own DNA & ribosomes,
- double lipid bilayer


Lysosomes - ANSWERS - breaks down cellular waste
- hydrolytic enzymes
- low pH


The _____ modifies, packages, and releases proteins shipping them off from the
_____ face. - ANSWERS Golgi, trans


Which molecule is least likely to be used fro energy?
1. carbs
2. fats