Biology Proctored Exam Penn Foster
Questions with 100% Correct Answers
Characteristics of living things - 1. levels of organization
2. ability to acquire food for energy
3. maintain an internal environment
4. respond to stimuli
5. reproduce and develop
6. ability to adapt and evolve
7. cont...
What is the cell theory? - ✔✔All living organisms are made up of cells
The cell is the smallest structural and functional unit of all living organisms
All cells arise from pre-existing cells
Ribosome - ✔✔Makes proteins
Endoplasmic Reticulum - ✔✔A cell structure that forms a maze of
passageways in which proteins and other materials are carried from one
part of the cell to another.
Smooth ER - ✔✔Makes lipids
Rough ER - ✔✔That portion of the endoplasmic reticulum studded with
ribosomes.
Golgi Apparatus - ✔✔Sorts and packs protein into vesicles and transports
them
Lysosome - ✔✔Digests food, bacteria and worn out organelles
Vacuole - ✔✔Stores food, enzymes and other material
Mitochondria - ✔✔Powerhouse of the cell- produces energy for growth,
development and movement
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