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Genetics

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Keely Schneider

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Cards in this guide (8)
Why is the phloem in a leaf important to the roots of a plant

It provides the roots with carbohydrates. (APEX)

How many trophic levels are there in the following food chain sunflower beetle or mouse

three

Where do electrons come from and how it gains energy during the light reaction

They come from Photosystem ll. Photosystem ll gets them by ripping the electrons off of water by a process called photolysis.

Electrons gain energy first in Photosystem ll, then later in photosystem l, through the absorption of energy from light.

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

Proteins are to large or Oxygen is much smaller than a protein.

The following contains stem cells that can produce only their own type of cells

Adult

Is an example of parasitismWhich of the following is an example of parasitism

Worms consuming the blood of an animal

Which statement best describes the events that take place within the mitochondrial membrane

ATP is produced for use by cells.

In adults, where are the stem cells that make new cells to protect the intestines

in the digestive tract(APEX)

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