The experiments of which of the following
researchers clearly distinguished DNA and NOT
protein as the hereditary material?
a. Pauling
b. Hershey and Chase
c. Griffith
d. Watson and Crick
e. Avery
Answer: b
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Indicate whether this statement is TRUE or FALSE.
The production of beer, wine, and bread is possible because of the fermentative abilities of _____.
Fill in the blank(s) with the appropriate word(s).
Govingee, 35 years old, has recently become lethargic, and his face feels very cool but puffy to the touch. When you take his pulse, you note that it seems abnormally low. What condition might Govingee have?
A) excess calcitonin B) accumulating aldosterone C) low thyroid hormone D) low growth hormone
When energy flows from one trophic level to another, only a small amount is actually used. Which of the following uses of energy by an organism allows for the least amount of transfer to a different trophic level?
A. growth B. excretion C. cellular respiration D. death E. reproduction