Chromosomes: Packages of DNA (Part 3)

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

markers
ruler
scissors
microscope (or magnifying glass)

Safety First

Do not mix unknown chemicals together.

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 3

How many chromosomes do human body cells have?