The letter “C” from the above figure represents

a. ectoderm.
b. endoderm.
c. mesoderm.
d. neural plate.
e. all of these.


Answer: c

Biology & Microbiology

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The scientist who received the first Nobel Prize in Medicine for his work on antibody therapy was

A. Koch. B. von Behring. C. Jenner. D. Roux.

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How did Thomas Malthus influence Darwin's thinking?

a. Darwin was convinced artificial selection could work in nature. b. Darwin realized species typically produce more offspring than needed to replace the parent generation. c. Darwin realized that the fate of humanity was dependent on artificial selection. d. Darwin believed the fate of humanity was dependent on natural selection. e. Darwin was convinced to publish his ideas about natural selection

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Which of the following is one of the cardinal signs of inflammation?

What will be an ideal response?

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Energy ____ in an ecosystem and nutrients ____.

A. is cycled continuously; flow one way B. flows in all directions; flow one way C. flows two ways; flow one way D. is cycled continuously; are cycled continuously E. flows one way; are cycled continuously

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