32
Lesson 32 of 84 · Cells
ExperimentChromosomes: Packages of DNA (Part 2)
What You'll Learn
Cell organelles each have specific functions. The mitochondria produce energy, the ribosome makes proteins, the endoplasmic reticulum processes molecules, and the Golgi apparatus packages them.
Key Words
- mutation
- natural selection
Materials Needed
- slides
- onion skin
- iodine stain
- paper
- colored pencils
- coins (for Punnett squares)
Safety First
- Adult supervision recommended.
Steps
Step 1 — Read
Read and learn: Cell organelles each have specific functions. The mitochondria produce energy, the ribosome makes proteins, the endoplasmic reticulum processes molecules, and the Golgi apparatus packages them.
Step 2 — Do
Create a labeled diagram of what you built or observed.
Step 3 — Observe
Compare the before and after states.
Step 4 — Record
Write your conclusion: did the results match your hypothesis?
Check Your Understanding
Question 1
1 of 3How many chromosomes do human body cells have?