Item:
HSA 2009 Biology Item 1
- CID
- CID26acefff7c3c7f3f681c9b5f9f9d8e17
- itemNum
- 1
- initialLetter
- A
- itemType
- SR
- itemAnswerKey
- 2
- itemMaxScorePoints
- 1
- origNum
- 1
Use the information and diagram below to answer Numbers 1 and 2.
Use the information and diagram below to answer the following item.
Animal cells contain an organelle that helps release energy. A diagram of this organelle is shown below.

What is the organelle described?
- chloroplast
- mitochondrion
- nucleus
- ribosome