The answer is D the wave sound stretches out relative person starting still
Answer:
The correct answer is - option B. the cell membrane is selectively permeable, which controls the movement of materials in and out of the cell by passive and active transport.
Explanation:
The cell membrane is the most essential cell organelle that is mainly responsible for the regulation of homeostasis of the cell. It acts as a barrier between the outer environment and cell components are enclosed in the cell organelles and cytoplasm by regulating the movement of the material in and out of the cell.
This movement can be active or passive transport depending on the nature of the material as it is a selectively permeable membrane.
The correct answer is - option B.
Answer: An excess of a product of one reaction causes the enzyme of another reaction to stop working.
Explanation:
The outer core of the earth is the only part of the earth that is made up of liquid.
<h3>What is the earth core?</h3>
The earth core is the center part of the earth that is the main source of generation of the earth's magnetic field.
There are different layers of the earth core which includes the outer layer.
The outer layer of the earth is 70 kilometres (3.1–43.5 mi) in depth.
This outer layer is the third layer of the earth and is made up of liquid.
Learn more about earth planet here:
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The channel proteins and carrier proteins allow molecules to pass through the semipermeable cell membrane in order to maintain homeostasis. Hope this helps! :)<span />