Chapter 1
1) Pasteur’s experiments proved that
A) Cells cannot survive in swan necked flasks
B) In order to grow, cells need to be supplied with
... [Show More] oxygen
C) Spontaneous generation can only occur if nutrient broth is left open to the environment
D) Sterilizing nutrient broth prevents spontaneous generation
E) Pre-existing cells present in the air can grow in sterilized nutrient broth
Answer: E
Bloom's Taxonomy: Knowledge/Comprehension
2) Recall Pasteur's experiment on spontaneous generation. If he had just warmed the nutrientrich broth, rather than boiled it, what would have been the likely outcome of his experiment?
Cells would .
A) not have appeared in either flask
B) have appeared in both flasks
C) have appeared in the swan-neck, but not the straight-neck flask
D) have appeared in the straight-neck, but not the swan-neck flask
Answer: B
Bloom's Taxonomy: Application/Analysis
Section: 1.2
3) Spontaneous generation .
A) was demonstrated to occur under normal laboratory conditions by Pasteur
B) apparently occurred at least once—when life on Earth began
C) occurs every time a new species evolves from a preexisting species
D) addresses the formation of new cells from existing cells
Answer: B
Bloom's Taxonomy: Knowledge/Comprehension
Section: 1.2
4) What is the process component of the theory of chemical evolution?
A) Acid-base reactions resulted in the formation of large, complex organic molecules.
B) Kinetic energy was transformed into chemical energy.
C) During polymerization reactions, hydrolysis was completed with condensation.
D) The process occurred at black smokers, in the atmosphere and oceans, or in outer space.
Answer: B
Bloom's Taxonomy: Knowledge/Comprehension
Section: 1.35) What is the pattern component of the theory of chemical evolution?
A) Heat and electrical discharges were required for chemical evolution to occur.
B) Most chemical evolution occurred at black smokers.
C) The process occurred at black smokers, in the atmosphere and oceans, or in outer space.
D) Increasingly complex carbon-containing molecules formed early in Earth history.
Answer: D
Bloom's Taxonomy: Knowledge/Comprehension
Section: 1.3
6) Which of these provides evidence of the common ancestry of all life?
A) ubiquitous use of catalysts by living systems
B) near universality of the genetic code
C) structure of the nucleus
D) structure of cilia
E) structure of chloroplasts
Answer: B
Bloom's Taxonomy: Application/Analysis
Section: 1.3
7) Protists and bacteria are grouped into different domains because .
A) protists eat bacteria
B) bacteria are not made of cells
C) protists have a membrane-bounded nucleus, which bacterial cells lack
D) bacteria decompose protists
E) protists are photosynthetic
Answer: C
Bloom's Taxonomy: Knowledge/Comprehension
Section: 1.3
8) Cells are .
A) only found in pairs, because single cells cannot exist independently
B) limited in size to 200 and 500 micrometers in diameter
C) characteristic of eukaryotic but not prokaryotic organisms
D) characteristic of prokaryotic and eukaryotic organisms
Answer: D
Bloom's Taxonomy: Knowledge/Comprehension
Section: 1.4 [Show Less]