When contaminated with E. coli strains toxic
to humans, fresh meat should be cooked to at
least ____ in order to prevent any food
intoxication.
a. 71?C (160?F)
b. 75?C (167?F)
c. 65?C (149?F)
d. 85?C (185?F)
e. 91?C (196?F)
A
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As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail is about 1.5 meters from the ground
Fifteen years later, you return and discover that the tree has grown to a height of 30 meters. About how many meters above the ground is the nail? A) 0.5 B) 1.5 C) 3.0 D) 15.0 E) 28.5
The primates first arose about how many million years ago?
a. 30 b. 40 c. 50 d. 60 e. 70
The structure in Figure 27-3 labeled 4 is:
a. haploid. b. diploid. c. polyploid. d. a zygote. e. produced by meiosis.
An organic nutrient that cannot be synthesized by the organism and must be provided is called a/an
A) Trace element B) Macronutrient C) Growth factor D) Element E) Water