Biology Unit 1.1

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1. Which of these is a feature of the cell theory?

  • The genetic material is always found inside a nucleus.
  • They are all surrounded by a cell wall.
  • They have their own energy release system.
  • There are no enzymes present in cells.
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2. What depends on the surface area to volume ratio?

  • The rate at which materials enter or leave the cell.
  • The size of the cell.
  • All are correct.

3. Which of the following are the principles of the cell theory?

  • None of the answers are correct.
  • All organisms have one or more cells, all cells come from pre-existing cells and cells are the smalles unit of life.
  • All organisms have one or more cells, most cells come from pre-existing cells, they are not the smallest units of life.
  • All organisms have one or more cells, some cells do not come from pre-existing cells and they are not the smalles unit of life.

4. What is cell differentiation?

  • The development of cells in different ways to carry out specific functions.
  • The development of the parts of the cell in different ways to carry out specific functions.

5. What are the functions of life?

  • Differentiation, respiration, homeostasis, nutrition, secretion, reproduction, growth.
  • Metabolism, respiration, homeostasis, nutrition, secretion, reproduction, growth.
  • Metabolism, respiration, homeostasis, nutrition, excretion, reproduction, growth.
  • Differentiation, respiration, homeostasis, nutrition, excretion, reproduction, growth.
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