Platelets in the blood help close small cuts in the skin. Circulatory w/ Digestive
Circulatory w/ Endocrine
Circulatory w/Excretory
O Circulatory w/ Integumentary
Digestive w/ Endocrine
Digestive w/ Excretory

Witch type of microscope is used to view very small cell components like proteins and dna?

What is one energy transformation that is taking place in the photo? radiant energy to thermal energy thermal energy to nuclear energy chemical energy to thermal energy radiant energy to chemical energy

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