In the experiment with peacock butterflies the working hypothesis is that ____
a. mimicry confuses both predator and prey
b. mimicry protects butterflies from being eaten by predatory birds
c. birds are capable of learning
d. birds are agents of evolution
e. unpalatable species display distinctive wings
ANSWER: b
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In the Meselson-Stahl experiment, DNA containing one heavy and one light strand was observed after
one generation of growth in media containing light nitrogen. If they had not allowed a second generation of growth, what would these scientists have been able to conclude?
What will be an ideal response?What type of blood cell engulfs bacteria and other cellular debris?
1.Erythrocytes 2.Lymphocytes 3.Monocytes 4.Phagocytes
Using mathematical reasoning, a triplet genetic code gives a possible ________ different codons, while a doublet genetic code would yield ________ different codons
Thus, the triplet code accounts for 20 known amino acids and indicates redundancy in the genetic code. Fill in the blank(s) with correct word
Which of the following has the most entropy?
A) snow B) hot water C) liquid water D) steam E) an ice cube