Which best describes a mutation?

A. a recessive gene

B. a missing protein

c.

a change to a gene

D. a missing chromosome

A complete digestive system is found in bears. How is the undigested food removed from a bear? A. Limbs are used to remove the waste. B. The one opening is dual purpose for intake and removal. C. The skin excretes waste. D.

How does the digestive system convert food into nutrients and energy?

The fact that a strain of yeast with a certain defective gene can use the human version of the gene to repair itself is evidence that yeast and humans

Paolo hypothesizes that thick leg muscles are an inherited trait in dogs. He collects data about several dogs. The data show that dogs that live outdoors have thicker leg muscles than dogs that live indoors. What should Paolo conclude? A.

Which structures are found in both animal and plant cells?

Er Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body? Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being transported to her lungs.

As the human population grows, what happens to our natural-resource requirements? UT O They increase O They decrease They do not change They go in cycles.

A client undergoing corticosteroid therapy is admitted with a peptic ulcer, osteoporosis, and hypertension. which medication may have caused this condition?

Why do most leaves appear green

What is the first word in a two word name of an organism