T cells. When HIV arrives in the lymph nodes – around 24 to 48 hours after exposure – they activate other immune cells, such as CD4 t-cells, HIV's primary target.
Answer:
adrenaline is the hormone which is directly controlled by nervous system
Answer:
As the amounts CO^2 in the sea increase, it causes the acidity of the pH increase as a result
Explanation:
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Answer:
(c) G1 cyclins will be expressed during the S phase
Explanation:
In those cases in which G cyclins are constitutively expressed, the G1 phase will be shortened
Answer the Air Pollution From a Power Plant photograph. Tell students that pollutants emitted into the atmosphere do not stay in the atmosphere or even directly above the polluting source forever. They move throughout the atmosphere and are moved and removed by natural processes.
Explanation:
