In all coelomates, the coelom originates from

A. mesoglea.
B. mesoderm.
C. ectoderm.
D. endoderm.


Answer: B

Biology & Microbiology

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Yogurt contains galactose and glucose, which are generated when bacterial enzymes act on milk sugars. What is the main source of the galactose in yogurt?

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What will be an ideal response?

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In knockout experiments,

a. genes are added to chromosomes. b. normal genes are replaced physically by mutated genes. c. genes are mutated or deleted to prevent their transcription or translation. d. mRNAs are prevented from attaching to ribosomes. e. the protein products of specific genes are inactivated.

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Which of the following colors of light has the

greatest energy? a. red b. yellow c. orange d. blue e. green

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