Answer:
A buffer is simply a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffers work by reacting with any added acid or base to control the pH.
Explanation:
Helicase "unzips" the two strands of DNA. During DNA replication.
Answer:
According to a mind-bending new theory, a black hole is actually a tunnel between universes—a type of wormhole. The matter the black hole attracts doesn't collapse into a single point, as has been predicted, but rather gushes out a "white hole" at the other end of the black one, the theory goes.
Answer:
Nuclei and vacuole
Explanation:
But in animal cell vacuole are temporary exist
Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever
