If you're referencing a microscope, then it would be fine focus. Coarse focus is a basic focus used to properly see a specimen, while fine focus enhance clarity and precision. To use both, you have to gently twist a knob until you can see the specimen at a desired clarity.
Here's a reference image if you need it, it's labeled all the parts of a microscope.
There is more than one codon that can specify most amino acids, therefore you never know which one was used for a particular protein, unless you can look at the DNA or RNA sequence.
Which term refers to the fluid between the plasma membrane and the nucleus? cytoplasm chloroplast ribosome vesicle cytoplasm refers to the fluid between the plasma membrane and the nucleus.
