What type of rna carries from the nucleus to the cytoplasm the sequence of bases that determines the order of amino acids in a protein?

a. transfer rna
b. messenger rna
c. ribosomal rna

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

How far away is the nearest black hole from earth?