When a reduction half-reaction is ________ (negative, positive), electrons flow to the more readily reduced substance which is ________ (negative, positive) in value.

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#Question id: 19088

#Unit 4. Cell Communication and Cell Signaling

which of the following toxin causing irreversible opening of stomata?

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#Question id: 8934

#Unit 9. Diversity of Life Forms

At which developmental stage should one be able to first distinguish a protostome embryo from a deuterostome embryo?

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#Question id: 1913

#Unit 4. Cell Communication and Cell Signaling

The fetus can be protected from maternal transplantation attack by:

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#Question id: 17809

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. What is the probability that a child will be albino if: Both parents are members of Generation 2, and one parent is albino and the other is non-albino.

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#Question id: 7071

#Unit 5. Developmental Biology

The zygote of C.elegans exhibits