Answer:
sorry. I can't not answer this question now cause i already submitted it. i did not mean to.
Answer:
A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular. Plant cells have a rigid cell wall that surrounds the cell membrane. Animal cells do not have a cell wall.
Explanation:
Plant cells are eukaryotic cells or cells with a membrane-bound nucleus. A plant cell also contains structures not found in an animal cell. Some of these include a cell wall, a large vacuole, and plastids. Plastids, such as chloroplasts, assist in storing and harvesting needed substances for the plant. Animal cells are eukaryotic cells that have both a membrane-bound nucleus and other membrane-bound organelles. These organelles carry out specific functions that are needed for the normal functioning of the cell. Plant and animal cells are similar in that they are both eukaryotic and have similar types of organelles.
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The answer could be the fact that all species posses 23 universal proteins. These proteins vary slightly in some DNA sequences but are pretty much the same. These proteins are responsible for tasks such as DNA replication and translation from DNA to proteins. These activities are crucial to all forms of life. The presence of these universal proteins suggest that modern life evolved from a single common ancestor.
Answer: According to me, At a chemical synapse, one neuron releases neurotransmitter molecules into a small space (the synaptic cleft) that is adjacent to another neuron. The neurotransmitters are contained within small sacs called synaptic vesicles, and are released into the synaptic cleft by exocytosis.
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