Define the term membrane
Define the term membrane?
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Membrane is any delicate sheet which separates one area from other blocking or allowing (completely or selectively) the passage of substances. The skin, for illustration, can be considered as a membrane which separates the external from internal of the body; cellophane, employed in chemical laboratories to split solutions, acts as membrane as well.
State the major cells of nervous system?
Give a brief explanation of the term cell theory?
Briefly mention the two reasons for hearing loss?
Explain how heart impels the blood?
Write down some main differences of vertebrate nervous systems comparing to invertebrates?
Homo neanderthalensis was an extinct human species that lived in Europe and western Asia, and members of this species subsisted exclusively on hunted and gathered foods. Based on your knowledge of milk tolerance in humans, would you suppose that Homo neanderthalensis
What is the energy source employed in active transport via biological membranes?
Explain the formation of gametes in the pteridophyte life cycle, through the mitosis or meiosis? State the type of meiosis which takes place in pteridophytes?
How are the perceptions of DNA, gene, proteins and characteristics of living beings associated?
How does the amoeboid movement take place? What are illustrations of beings and cells which use these movements for locomotion?
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