Answer:
The youngest crust (shown in red) is near mid ocean ridges and spreading zones. All three rock types in the earth's crust—igneous, sedimentary, and metamorphic—can also be recycled back to their original molten magma form. This process occurs when oceanic crust is pushed back into the mantle at subduction zones.
Answer: I believe it is A. DNA polymerase checking the DNA
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Answer:
from the axon hillock toward the axon terminals.
Explanation:
Axon hillock is a cone-shaped elevation of an axon. It is the region where axons join the cell body. In most neurons, nerve impulses arise at the junction of the axon hillock and the initial segment of axons. This region is called the trigger zone. From this region, a nerve impulse travels towards axon terminals. Axon terminals may have synaptic end bulbs at their tips. As nerve impulse travel from axon hillock to the axon terminal, synaptic vesicles having neurotransmitters are released into the synaptic cleft.
