Answer:
the cell membrane.
Explanation:
controls what materials go into and out of the cell. For example, the cell membrane allows nutrients and oxygen to move into the cell, and carbon dioxide and waste materials to move out of the cell.
Answer:
IN a synapse, neurotransmitter chemicals are received by the POST-SYNAPTIC MEMBRANE CELL BODIES.
Explanation:
Synapse is a biological region through which chemicals can be sent to each other such as those in glands and muscles. In a synapse, chemicals released from the pre-synaptic membrane are received by the synaptic cleft adjacent to another neuron. The chemicals then bind to the neurotransmitter receptors on the post-synaptic cell. These are then released into the post-synaptic cell bodies to stop the action of the neurotransmitter receptors in order for the chemicals to perform the function of excitation or inhibition depending on the stimulus.
Answer:
Option (c).
Explanation:
The hemoglobin is the important protein present in the red blood cells. The hemoglobin molecules helps in the transport of oxygen and carbon dioxide in the body.
The iron is important for the hemoglobin molecule formation. The deficiency in the iron can cause the abnormal hemoglobin structure. The mice hemoglobin can binds with the only 50% of the oxygen molecules as compared with the wild type mice.
Thus, the correct answer is option (c).
I would say Tundra, hope it helped :)
Hey there!
Plants and Animals each have different system boundaries.
In plant cell contains a cell wall and a cell membrane while an animal cell only contains a cell membrane.
These help the cell by acting as a filter (i.e. They let some through while they prevent others from coming in.)
Thank you!