Leaves have the capability to "breathe” through tiny pores in the epidermis called
*
Cuticles
Stomata
O Petioles
Veins

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

What does the positioning of transcription factors determine?

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false