The DNA tells a ribosome how to assemble a protein.
Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.
Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.
The density of water is 1.0kg/L
Answer:
correct answer is A
Explanation:
nucleus is most important part of a cell as a town hall would be to a city
Answer:
Body systems are used throughout your body to help you move and to live like the heart for example.