Which two statements are part of the cell theory?

A. All infectious diseases are caused by specific organisms.
B. All organisms are made up of cells.
C. Energy cannot be created nor destroyed.
D. All cells come from pre-existing cells.


Answer: B and D

Biology & Microbiology

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The human genome is different for every individual

A. true B. false

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Aluminum is toxic to plants because it

A) destroys chlorophyll in the leaves, reducing the rate of photosynthesis. B) inhibits production of pollen, reducing the rate of reproduction. C) damages the roots, reducing nutrient uptake. D) inhibits mitosis within the meristem tissues, reducing growth of the stems.

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Migration is an innate behavior among whooping cranes

Indicate whether the statement is true or false

Biology & Microbiology

In one area is a desert ecosystem and in another area is a tundra. What two fundamental resources differ in the ecosystems of these two areas? Why are these two more important than the other fundamental resources?

What will be an ideal response?

Biology & Microbiology