Answer:
Redi's experiment proved that life, maggots, from non life, meat, was superstition. propagandizing the ancient Greek spontaneous generation superstitions of 2,300 years earlier. Figure 2. Pasteur's experiments proved that microorganisms come from life, not non life.
Explanation:
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Answer:
b. Proteins
Explanation:
Several transmembrane proteins serve as transport proteins and move charged, polar and large substances such as ions, amino acids, sugars through membranes. These are the carrier proteins and channel proteins. Each type of transport protein transports a specific type of substance. Carrier proteins bind the ion or molecule and undergo changes in shape. This change moves the molecule across the membrane. Channel proteins form pores through the membrane to allow transport of substances.
For example, aquaporins are transmembrane proteins that allow water to pass through membranes.
Answer:
glucose is the correct answer
Answer:
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Answer:
The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.
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