Answer:
C
Explanation:
It is believed that glycolysis – the first phase of cellular respiration in eukaryotic cells- is considered an ancient biochemical process that early organisms utilized to tap the energy required for cell functions. This is because the process does not require oxygen – because early conditions on earth were anoxic before the great oxygenation event. It is after the great oxygenation event that the Krebs cycle evolved.
Answer: 1, 3, 5, 2, 6, 4
Explanation:
The sympathetic nervous system stimulates many parts of the body for action during times of danger.
This signalling starts when the postganglionic neuron depolarizes, and postganglionic neuron releases acetylcholine, then the acetylcholine binds to nicotinic receptor in order to transmit impulse, and further the acetylcholine binds to sweat gland’s muscarinic receptor to disrupt or inactivate the action of acetylcholine. Finally, the neuron releases acetylcholine, and the neuron exits lumbar segment of spinal cord.
The danger has now been fully interpreted.
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Answer:This protein uses the energy released from hydrolysis of ATP (adenosine triphosphate) to pump three sodium ions out of and two potassium ions into the cell. ... Transport that directly uses ATP for energy is considered primary active transpor
Explanation: