Which recent discovery led to a new understanding of how genetic mutations increase the risk of cancer?
a.) double helix structure of dna
b.) brca1 and brca2
c.) genes nucleic acid monomers
d.) chemical composition of proteins

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Biology 1c cumulative exam i need awsners

Achange in direction without a change in speed is called velocity