Bi140 Chapter 1: An Introduction To Cell Biology
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- 1.Cell and molecular biology is _____; that is, it is based on the view that knowledge of the parts of the whole can explain the character of the whole.
- 2.Because of their small size, cells can only be observed with the aid of a _____, an instrument that provides a magnified image of a tiny object.
- 3.The remarkable activity of curved-glass surfaces to bend light and form images was discovered around 20 AD.
- A.
True
- B.
False
- 4.The discovery of cells is generally credited to _____.
- 5.What is the pre-event that lead to Robert Hooke's discovery of cells?
- A.
Everything was serendipitous, it was by chance that he discovered cells.
- B.
The odd appearance of the cork made him curious about it
- C.
His curiosity how the cork perfectly fit in the cover to stop the air from effusing
- D.
Anton Van Leeuwenhoek sent a letter to him about what he had observed prior.
- 6.Who concluded that plants were made up of cells?
- 7.What are the 3 tennets of the cell theory?
- A.
Cells arise from spontaneous generation
- B.
All organisms are composed of one or more cells
- C.
The cell is the structural unit of life
- D.
Cells can arise only by division from a pre-existing cell
- 8.Who concluded that all organisms are composed of one or more cells and that the cell is the structural unit of life?
- 9.Who concluded that cells can arise only from pre-existing cells?
- 10.What is the smallest unit of life?
- 11.The first human cells to be cultured was the HeLa cells, from whom were these cells gotten?
- 12.What does it mean by in vitro?
- A.
Unnatural
- B.
Outside the womb of the mother
- C.
In culture
- D.
Inside the cell
- 13.
- A.
Cells are Highly Complex and Organized
- B.
Cells Possess a Genetic Program and the Means to Use it
- C.
Cells need Organic Compounds to Generate Essential Macromolecules
- D.
Cells are dependent to Water, making up more than 70% of the cell
- E.
Cells are Capable of Producing More of Themselves
- F.
Cells Acquire and Utilize Energy
- G.
Cells Carry Out a Variety of Chemical Reactions
- H.
Cells Engage in Mechanical Activities
- I.
Cells Die very Fast and Regenerate very Fast to Make New Cells
- J.
Cells are Able to Respond to Stimuli
- K.
Cells Are Capable of Self-Regulation
- L.
Cells Evolve
- 14.DNA duplication occurs with an error of less than two mistakes every ten million.
- A.
True
- B.
False
- 15.Evolution has moved rather slowly at the levels of biological organization with which scientists are concerned.
- A.
True
- B.
False
- 16.Humans and cats have very different anatomical features and different cellular structures.
- A.
True
- B.
False
- 17.The human genetic program contains enough information, if converted to words, to fill millions of pages of text.
- A.
True
- B.
False
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