It's hard to explain "desu" because it doesn't have a direct translation. It kind of means "it is," and it is used to make complete sentences. Ex: Onamae wa? (What is your name?) Nick desu. (It is Nick)

Prokaryotic cells do not have a nucleus and are usually smaller and simpler than Eukaryotic cells. Prokaryotic cells we see today are bacteria. Red blood cells also do not have a nucleus.

Mitosis is the division of the nucleus into two nuclei. Mitosis is not the same as cell division; mitosis is the first part of cell division. The second part is cytokinesis (the division of the rest of the cell). Mitosis has four stages: Prophase, metaphase, anaphase, and telophase. Basically the chromosomes are duplicated and split … Read more

I like you: あなたは好きです。(anata wa suki desu)/ あなたが好きです。(anata ga suki desu) I like you a lot: あなたは大好きです。(anata wa daisuki desu)/ あなたが大好きです。(anata ga daisuki desu) If you were wondering, あなた (anata) means you, so you can substitute in any name. And は (wa) and が (ga) are particles. Both are correctly used in the sentence.