2020-21 d Module I: Cells and Cell Processes
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6.
Skin cells, blood cells, and brain cells perform very different functions. What do they have
in common?
A They each form tissues in which similar cells function together.
B. Organs that help to carry out a specific life activity.
o
C. Organ systems that are responsible for a specific life activity.
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D. Cells that carry out exactly the same functions.
Ok

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation