Most obviously, they differ in the fact that even unicellular protistans are more complex â not to mention eukaryotic. Protistans have membrane-bound nuclei, organelles (including chloroplasts), and endomembrane systems, as well as multiple strands of DNA with histones and other proteins attached.
Breach of contract is a legal cause of action in which a binding agreement or bargained-for exchange is not honored by one or more of the parties to the contract by non-performance or interference with the other party's performance.or example, when a contract specifies time is of the essence and one party to the contract fails to meet a contractual obligation in a timely fashion, the other party could sue for damages for a major breach.
A mistake is an incorrect understanding by one or more parties to a contract and may be used as grounds to invalidate the agreement. Common law has identified three different types of mistake in contract: common mistake, mutual mistake, and unilateral mistake.his is because the very secrecy of the contract is a condition of the contract (in order to maintain plausible deniability). If the spy subsequently sues the government on the contract over issues like salary or benefits, then the spy has breached the contract by revealing its existence.