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Biological Science Chapter 1 Quiz

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Questions and Answers

If Pasteur had just warmed the nutrient-rich broth instead of boiling it in his experiment on spontaneous generation, what would have likely happened?

Cells would have divided rapidly in the broth.

New species of cells would have spontaneously appeared in the broth.

Cells would have been killed in the broth. (correct)

Spores in the air would have contaminated the broth.

Which of the following statements best correlates with Pasteur's experiments on spontaneous generation?

Preexisting cells in the air can generate new life forms spontaneously.

Boiling nutrient broth enhances the growth of microorganisms.

Spontaneous generation can occur when life forms arise from non-living matter.

Cells can only originate from preexisting cells. (correct)

How did Pasteur's experiment contribute to disproving the theory of spontaneous generation?

By sterilizing nutrient broth and preventing spontaneous generation. (correct)

By showing that preexisting cells in the air can grow in sterilized nutrient broth.

By demonstrating that cells can survive in swan-necked flasks.

By proving that oxygen is essential for cell growth.

Which aspect of life's fundamental characteristics is exemplified by a bacterial cell dividing to produce two cells?

Reproduction Signup and view all the answers

Which of the following statements is TRUE regarding the cell theory and Caulerpa algae?

The existence of Caulerpa is consistent with the cell theory. Signup and view all the answers

Why are the cells in a multicellular organism so different from one another despite originating from preexisting cells?

The genetic information of each cell is copied and passed on to daughter cells with differences in molecular machinery. Signup and view all the answers

What characteristic is mentioned in the text regarding cells?

Cells are characteristic of prokaryotic and eukaryotic organisms. Signup and view all the answers

What does spontaneous generation address based on the text?

Apparently occurred at least once–when life on Earth began. Signup and view all the answers

Considering the experiment discussed in the text involving different flasks, where would a substance have appeared based on the options?

Have appeared in both flasks Signup and view all the answers

What statement is accurate about algae in the genus Caulerpa from the text?

Algae in the genus Caulerpa typically grow to a length of over half a meter and have structure similar to stems, leaves, and roots. Signup and view all the answers