<span>Adenine bonds with Thyamine Guanine bonds with Cytosine and vice-versa</span>
Helicase "unzips" the two strands of DNA. During DNA replication.
Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.
Answer:
By using specialized external systems.
Explanation:
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce.
