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Biology

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Shanon Bosco

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2y ago
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Cards in this guide (5)
Why is the phloem in a leaf important to the roots of a plant

It provides the roots with carbohydrates. (APEX)

What is the name for the protective structure that forms around an embryo

Placenta (Apex)

Why can oxygen diffuse across a cell membrane but a protein cannot-

A protein cannot diffuse across a cell membrane because as the pore radius of the membrane approaches the protein radius, the mobility of the protein is significantly reduced

Which of the following contains the greatest number is totipotent stem cells

A fertilized egg

Which process allows ions to move across a semipermeable membrane where the concentration of ions is low to where their concentration is even higher

Active transport BIOLOGY APEX

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