Bio 181 Final Exam Expected Questions With Verified Answers (2026)

BIO 181 FINAL EXAM EXPECTED QUESTIONS WITH
VERIFIED ANSWERS (2026)



●● Cell Theory
Answer: all organisms are made of cells, and all cells come from
existing cells.


●● Natural Selection
Answer: heritable traits passed onto offspring, population is a group of
the same individuals living in the same area at the same time.


●● A Hypothesis
Answer: an idea or theory that is not proven but that leads to further
study or discussion


●● 3 Domains
Answer: Prokaryotic Cells:
Bacteria
Archaea
Eukarya--Eukaryotic, Animals, Plants, Fungi

,●● What do cells have in common?
Answer: All cells have
Nucleotides,
Proteins,
Carbohydrates,
Plasma Membrane


●● Main Differences B/W Prokaryotic Cells and Eukaryotic Cells
Answer: Pro- No Nucleus
Euk- Has a Nucleus


●● Ribosomes
Answer: What: Large/Small subunits
Where: Cytoplasm
Function: Protein synthesis


●● Mitochondria
Answer: What:Outer defines surface, Inner connected to cristae
Where:Cytoplasm
Function: ATP Synthesis


●● Chloroplasts

, Answer: What: In algae and plants, double membrane
Where:
Function: Photosynthesis


●● Nuclei
Answer: What:
Where:
Function:


●● Inside the Nucleus
Answer: DNA


●● How do large molecules get into the nucleus?
Answer: ...


●● Difference B/W Cytosol and Cytoplasm
Answer: ...


●● Why are membranes important?
Answer: separates life from nonlife,
separates the cell's interior from the external environment