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GenaCL600 [577]
3 years ago
8

what structure in a cell could transport material across the membrane, against the concetration gradient?

Biology
1 answer:
TEA [102]3 years ago
5 0
Active transport could transport material across the membrane against the concentration gradient
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vovangra [49]

Answer:

a. Directional selection favors one end of the phenotype distribution, whereas

stabilizing selection favors intermediate over extreme phenotypes

Explanation:

Directional selection is called directional because it favors one phenotype over another, and stabilizing selection finds a balance between phenotypes.

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Suppose a newborn baby was accidentally mixed up in the hospital. In an effort to determine the parents of the baby, the blood t
Sladkaya [172]

Answer:a. Draw Punnett squares for each couple (you may need to do more than 1 square/ couple)

Baby 2 MUST belong to the Browns because Mr. Brown is the only parent with an A allele to

contribute… then the rest works out as follows:

b. To which parents does baby #1 belong? Why? Hint you may want to refer to your Punnett

squares.

Baby 1 must belong to the Smiths, because they are the only ones with the possibility of EACH

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Explanation:

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Answer:

C. The universe coalesced into one solar system after the Big Bang.

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This is true because, since she is writing about Big Bang theory, she would have to include how the universe was able to expand to one solar system made up of different planetary bodies. This explanation would help someone reading her writeup to understand what the Big Bang theory is all about.

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Stem cell research is an emotional topic. Although the advancements in research are remarkable, a portion of society voices ethi
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<span>There are other avenues to find the cure to diseases that do not involve exploiting fetuses.


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An organelle that contains a cell’s dna
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The nucleus contains a cell's DNA.

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