Answer:
The large central vacuole is surrounded by its own membrane and contains water and dissolved substances. Its primary role is to maintain pressure against the inside of the cell wall, giving the cell shape and helping to support the plant. ... The cell wall shapes, supports, and protects the cell.
Explanation:
Answer:
made of nucleotides
Explanation:
They are the basic building blocks of DNA and mRNA.
They say how an enzyme perfectly fits into its substrate is alike a "lock and key".
Only one specific enzyme can fit a specific substrate.
Answer:
A. Natural
Explanation:
The moon orbits Earth just like Earth orbits the sun. The moon is Earth's only natural satellite.
