Which scientist discovered DNA after experimenting with white blood cells?

Watson

Franklin

Miescher

Wilkins

How long can strep live outside the human body?

Why does the survival of species depend more on populations than on the life spans of individual organisms

What does a cell do to make sure that it does not grow to big?

Olfactory information is first received by which part of the brain? olfactory information is first received by which part of the brain? thalamus cerebellum cerebrum pons medulla oblongata

6. Applying Concepts Liza rode her bike to the store. She bought items that had little packag- ing and put her purchases into her backpack. Describe how Liza practiced conservation. 7. Identifying Relationships How does conser-

Ammonia, the major etiologic factor in the development of encephalopathy, inhibits neurotransmission. Increased levels of ammonia are damaging to the body. The largest source of ammonia is from:

What structure on the continental crust is most similar to an ocean ridge? -Plains -Mountain range -Canyon -Plateau

Which is the best way to increase the validity of data in an experiment

What is responsible for converting glucose into a form of energy usable by cells?

What best describes the alternation of generations? 1. meiosis produces a diploid zygote 2. a gametophyte is a diploid phase 3. a gametophyte is a haploid phase