1)Which of the following best describes a symbiotic relationship between two org
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Question
1)Which of the following best describes a symbiotic relationship between two organisms?
a)Two organisms live in close, long-term, physical association with each other
b)Two organisms live in close, physical association with each other where both organisms benefit from the relationship.
c)Two organisms live in close, physical association with each other where both organisms thrive, but one is the primary provider and the other is the primary beneficiary.
d)Two organisms live in close, physical association with each other where one organism benefits to the detriment of the other.
2)Evidence that supports chloroplast origins from photosynthetic bacteria includes:
a)similar organization of photosynthetic membranes.
b)the use of two linked photosystems to capture electrons from water.
c)similarities in the DNA sequence of the chloroplast chromosome and bacterial chromosome.
d)All three of these features provide evidence for the bacterial origin of chloroplasts.
3)Which of the following are ways that genetic diversity is promoted in eukaryotes?
a)conjugation
b)sexual reproduction
c)asexual reproduction
d)transduction
4) Which one of the following are characteristics of eukaryotic cells but not of prokaryotic cells?
a)relatively large genome, dynamic cytoskeleton, compartmentalized metabolic processes
b)two or more circular chromosomes, dynamic membrane system, compartmentalized metabolic processes
c)linear chromosomes, endomembrane system, nucleus, diverse means of harvesting and utilizing energy under anaerobic conditions
d)two or more linear chromosomes, dynamic membrane system, diverse means of harvesting and utilizing energy under anaerobic conditions
5)Which one of the following CORRECTLY lists features of eukaryotic cells that distinguish them from prokaryotic cells? (chapter 27)
a)a dynamic cytoskeleton, dynamic system of membranes, relatively limited metabolic capabilities
b)a dynamic cytoskeleton, dynamic system of membranes, flexible, wide-ranging metabolic capabilities
c)a dynamic cytoskeleton that permits cellular movement, the ability to carry out photosynthesis, and the ability to switch from haploid to diploid stages in their life cycle
a)Two organisms live in close, long-term, physical association with each other
b)Two organisms live in close, physical association with each other where both organisms benefit from the relationship.
c)Two organisms live in close, physical association with each other where both organisms thrive, but one is the primary provider and the other is the primary beneficiary.
d)Two organisms live in close, physical association with each other where one organism benefits to the detriment of the other.
2)Evidence that supports chloroplast origins from photosynthetic bacteria includes:
a)similar organization of photosynthetic membranes.
b)the use of two linked photosystems to capture electrons from water.
c)similarities in the DNA sequence of the chloroplast chromosome and bacterial chromosome.
d)All three of these features provide evidence for the bacterial origin of chloroplasts.
3)Which of the following are ways that genetic diversity is promoted in eukaryotes?
a)conjugation
b)sexual reproduction
c)asexual reproduction
d)transduction
Explanation / Answer
1.
Symbiotic relationship between two organisms is Two organisms live in close, physical association with each other where both organisms benefit from the relationship.
Option b correct.
2.
Evidence that supports chloroplast origins from photosynthetic bacteria includes:
All three of these features provide evidence for the bacterial origin of chloroplasts.
Option d correct
3.
Sexual reproduction of the following are ways that genetic diversity is promoted in eukaryotes.
Option b correct.
4.
relatively large genome, dynamic cytoskeleton, compartmentalized metabolic processes characteristics of eukaryotic cells but not of prokaryotic cells.
Option a correct.
5.
A dynamic cytoskeleton, dynamic system of membranes, relatively limited metabolic capabilities features of eukaryotic cells that distinguish them from prokaryotic cells.
Option a correct.
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