Answer:
They carry out oxygenic photosynthesis i.e, they use water as an electron donor and generate oxygen during photosynthesis. Their photosynthetic systems closely resembles to that of eukaryotes: These bacteria use Phycobilins as accessory pigments. CO2 in these bacteria is assimilated through calvin cycle.
Explanation:
<span><span>B. a negative feedback loop because the blood glucose level was returned to the set point, not amplified
</span>The glands which get involved are the pancreas and adrenal glands.</span><span> During increase in blood sugar, the pancreas secretes insulin, a hormone produced by the beta cells of the pancreas. Insulin causes red blood cells, muscle cells and fat cell to absorb sugar from the blood.</span><span>During decrease of blood sugar, the pancreas secretes glucagon, a hormone produced by the alpha cells of the pancreas. Glucagon causes the liver to release the glucose stored in its cells.</span><span>The Adrenal gland secretes cortisol during times of low blood sugar levels. Cortisol promotes the use of fatty acids to provide energy for working muscles, rather than using glucose.</span>
Answer:
Orchids
step by step explanation:
Answer: mountain and coastal plains
Explanation: i just took the exam
