During a donation drive, $9210 was collected by 80 students. each girl donated $120 and each boy donated $105. how many girls are there? ( use supposition )

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

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

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from