Which of the following nucleotide sequences represents the complement to the DNA strand
5? ? AGATCCG- 3??
a. 5? ? AGATCCG- 3?
b. 3? ? AGATCCG- 5?
c. 5? ? CTCGAAT- 3?
d. 3? ? CTCGAAT- 5?
e. 3? ? TCTAGGC- 5?
e
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Which of these is a correct representation of the hierarchy of biological organization from least to most complex?
A) organelle of a stomach cell, digestive system, large intestine, small intestine, intestinal tissue, organism B) organelle of an intestinal cell, digestive system, small intestine, large intestine, intestinal tissue, organism C) molecule, intestinal cell organelle, intestinal cell, intestinal tissue, digestive system, organism D) molecule, small intestine, large intestine, intestinal tissue, digestive system, organism E) molecule, digestive system, digestive cell organelle, small intestine, large intestine, intestinal cell, organism
Which to these functions of the kidneys are mismatched.
a) excretes metabolic wastes-rids the body of urea b) maintains the water-salt balance-helps regulate blood pressure c) maintains the acid-base balance-rids the body or uric acid d) secretes hormones-secretes erythropoietin e) all of the choices are correct
What is the primary source for new, unique genes in a population?
A) mutation B) natural selection C) artificial selection D) crossing over
Which activity would result in a decrease in your ecological footprint?
A) flying across the United States once a month B) driving your car to and from school every day C) leaving the water running while you brush your teeth D) taking a city bus instead of driving to work