What do nitrogen-fixing soil bacteria do to the nitrogen in the atmosphere?

What occurs in the e site of the ribosome during translation?

Fill in the blank with a word that correctly completes the sentence. Flatworms have a remarkable ability to generate a whole body from any small piece. This multi-headed worm will split apart and grow into several complete, separate individuals.

What are some examples of carbohydrates

The flounders ability to camouflage itself in different environments is a characteristic of Life known as

Dreams that occur in rem sleep that are unpleasant and often scary are symptoms of which sleep disorder?

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.