What are possible causes of cystic fibrosis? Select all that apply.

the existing CFTR proteins being too aggressive at their job
CFTR proteins not being produced or functioning properly
too many CFTR proteins being produced by cells
a faulty CFTR gene

When plants use sunlight to make food, the energy of sunlight is

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints

Closing romer’s gap. what is the significance of the new fossil evidence found in scotland? answer in claim evidence and reasoning