Formula
Photosynthesis

Which of these parts of the membrane large moecules pass through it ?

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

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs