The amount of carbon dioxide in the
atmosphere has increased by approximately___
percent since 1990.
a. 5
b. 15
c. 25
d. 50
e. 100
D
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By using enzymes that destroyed DNA, RNA, or protein, Avery and colleagues were able to determine which of the three molecules was required to transform bacterial cells.
Answer the following statement true (T) or false (F)
1 mm = ________ nm
A) 1,000,000 B) 1000 C) 10 D) 1/1000 E) 1/1,000,000
A viral lysogenic cycle is characterized by:
a. rapid infection and emergence. b. rapid infection, replication of nucleic acids and proteins, assembly of virions and release by rupture. c. a virus remaining in the host cell then being released. d. a viral nucleic acid being inserted into the host genome and possibly residing through multiple cell divisions prior to lytic.
A painful muscle contraction that does immediately release is a(n) ____
a. cramp b. dystrophy c. atrophy d. sarcoma e. tear