Scientists wondered how volcanoes could be located so far from tectonic plate boundaries until one proposed the idea of Select Answer , where the magma is much hotter than the surrounding magma. These are Select Answer and do not move with tectonic plates. They are responsible for the creation of Select Answer island chains.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

it takes hundreds of years to become stable.

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many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.