Cell membrane Archives

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Why do plant cells have an additional layer surrounding the cell membrane? What is this layer known as?Do you agree? Give reason for your answer.

Posted on November 26, 2022 by Assessments

MULTIPLE CHOICE QUESTIONS 1. Choose the correct statement with respect to unicellular organisms: (a) in unicellular organisms, tissues work in co-ordination to perform different functions. (b) unicellular organisms do not require food. (c) unicellular organisms respire and reproduce. (d) all unicellular organisms move by cilia. 2. Majority of cells cannot be seen directly with our […]

Carbon dioxide is a waste product that is produced in the production of cellular ATP and needs to be continually removed from cells. In reference to the previous question, what process would the cell use to maintain a low concentration (~0.9% CO₂) of carbon dioxide?Explain

Posted on April 1, 2022 by Ambrose

Use your notes or textbook to answer the following questions. 1. Transport across the cell membrane in which substances move from high concentration to low concentration without the expenditure of energy. 2. Transport across the cell membrane that requires energy to move substances against the concentration gradient. 3. is how small nonpolar substances (like oxygen) […]

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Tag: Cell membrane

Why do plant cells have an additional layer surrounding the cell membrane? What is this layer known as?Do you agree? Give reason for your answer.

Carbon dioxide is a waste product that is produced in the production of cellular ATP and needs to be continually removed from cells. In reference to the previous question, what process would the cell use to maintain a low concentration (~0.9% CO₂) of carbon dioxide?Explain