Chromosomes: Packages of DNA (Part 4)

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

natural selection
evolution

Materials Needed

coins (for Punnett squares)
tape
index cards
markers
ruler
scissors

Safety First

Tie back long hair before starting the experiment.
Protect your work surface with newspaper or plastic.

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?