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What device must be used to observe a procured, online exam?

If you are taking an online exam, what specific software must you have to access a proctored exam?

What is the main function of the leaf (one word)?

At present the number of elements naturally occurring on earth is __________.

Adenosine triphosphate (ATP) is composed of an adenine, a ribose, three phosphate molecules, and the bonds between molecules. When the ATP is broken down, which part is removed to release the stored energy? 

The vascular cambium produces tissues that increase the girth of a plant.

The openings in the leaves where gas exchange occurs (CO2 comes in and O2 goes out) is called the ____________

In lab, you need to quickly teach your assistants to differentiate between plant and animal cells. Which structure would not allow plant and animal cells to be differentiated?

Which tissue is derived from the apical meristem?

As living individuals grow and reproduce their response to environmental stimuli may include __________.