Explain the production pathway used by cells to make the PSEN1 protein. Start with DNA and end at the plasma membrane. Mention some or all of the following cell parts in your explanation: rough endoplas- mic reticulum (RER), smooth endoplasmic reticulum (SER), lysosome, cytoskeleton, nucleus, ribosomes, mRNA, DNA, Golgi apparatus (GA), transport vesicles, mitochondrion, chloroplast, cell wall, plasma membrane. Hint: organize your explanation in steps, i. e. Step 1: DNA in the nucleus. . .

1. glaciers are melting

2. more water going into ocean (water's such as fresh waters, etc)

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

d we did this already