Answer:
If a plant cell is placed in distilled water, water will enter the cell and the cell contents will expand. However, the elastic cell wall exerts a back pressure, which will limit the net gain of water.
Explanation:
The correct answer is D. Proteins
Enzymes are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life.
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Answer:
Explanation:
Cell A is not a thing examples of cells are Epithelial Cells, Nerve Cells, Muscle Cells
Answer:
l, smog is harmful to both the respiratory (lungs) and cardiovascular (heart) systems. It aggravates heart problems, bronchitis, asthma, and other lung problems. Smog reduces lung function even in healthy people.
Explanation: