Answer:
Prokaryotes do not have a nucleus; eukaryotes have a nucleus
Explanation:
Fish or any organism in the water...
There is no absolute reason as to how they survive besides organisms learning to adapt. In order to live in a polluted environment the animals have to survive and learn to adapt.
Answer:
<h2>
Gastrin: stomach,
</h2><h2>
CCK- SI,
</h2><h2>
Insulin- pancreas,
</h2><h2>
Glucagon-pancreas. etc</h2>
Explanation:
1. Gastrin: secreted by stomach stimulating activity of the stomach
,
2. CCK: secreted by SI stimulating secretion of pancreatic enzymes; contraction of gallbladder and pyloric sphincter and inhibitory effects on stomach
3. Secretin: secreted by SI if material entering SI is acidic, triggering secretion of HCO₃-
.
4. Insulin: produced by beta-cells of pancreas and
stimulates storage of glucose in liver and muscle and it causes re-uptake of glucose when blood-sugar is high, lowering blood sugar
5. Glucagon- produced by alpha-cells of pancreas and
it stimulates release of glucose from liver when blood-sugar is low, and results in raising blood sugar.
