If it's the first word or part of a title, yes. Otherwise, no.
Yes.Example: Titanic
i dont but most folks do capitalize the first letters at least of all the bigger words & even many of the smaller words in the names of plays
No it shouldn't be capitalized.
You only capitalize when you are using their actual names. So if you had two brothers and one sister you would write: "I have three siblings, Marco, Katerina and Jack."
Yes, because they are proper nouns. Examples: Protease Amylase Lipase Cellulase
Yes, in writing, you should capitalize the names of books.
Names of people are proper nouns, therefor they require a capital letter.
No.
24 top leaders of the Nazi Regime was charged with war crimes and crimes against humanity. I have included links below that have their names and their photos. They tell you about their charges, sentences and the trial. There were over 100 Nazis tried for crimes. The worst of them all killed himself before he could be tried: Heinrich Himmler.
Yes you do.
no you do not capitalize the names of trees
yes because you capitalize all names
Yes, chemical names are typically capitalized.
You must always capitalize the word "Alzheimer's" only. This disease is referred to an eponym; named after a person who first described the condition. Therefore, all proper names (or proper noun) must be capitalized.
no you don't have to
Capitalize them
Yes.