Answer:
If a person has extra chromosome you or they might have down syndrome
Explanation:
Normally a baby inherits 23 chromosome from each parent which is equal to 46 total and basically those who survive develop down syndrome
Since mRNA codes for the protein during translation, the cell would likely stop producing proteins.
One result of weathering of rocks is the formation of soils.
Since weathering of rocks breaks down the surface of rocks, it affects the ground beneath them. This in turn results in formation of various kinds of soils, so I'd say B is the correct answer.
Plenty of (Surfaces) need to be present in atmosphere.
Answer:
C. Systemic arterioles respond to a decrease in PO₂ by dilating, but pulmonary arterioles constrict in response to decreased PO₂.
Explanation:
In the arterioles, vasoconstriction is a response to high oxygen while vasodilation is a response to carbon dioxide and low pH. However, in the pulmonary arterioles, vasoconstriction occurs as a response to low oxygen and this mechanism is called hypoxic pulmonary vasoconstriction (HPV).