Answer: A. virus strains multiplied in cell cultures
Question: Where is the data table?
The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
Answer:
Four
Explanation:
Like all proteins, the "blueprint" for hemoglobin exists in DNA.
Answer:
Element
Explanation:
Element is a pure substance that cannot be broken down.