Exam 19: Lifes Origin and Early Evolution

MATCHING Matching.Choose the most appropriate letter. a.contain DNA, but may be too small to be alive b.simple transitional forms between early organic compounds and the first living cells c.red alga resident of hot springs d.first organisms with the noncyclic pathway of photosynthesis e.source of the heat-resistant enzyme used in PCR f.offered support for endosymbiosis g.dome-shaped fossil remains of photoautotrophic bacteria (some nonfossil structures also form). h.protist with photosynthetic organelles that resemble cyanobacteria i.earliest known organism that can be assigned to a modern group -glaucophyte

The first major divergence of life gave rise to all of the following except

Aerobic respiration became established as a result of the evolution of

MATCHING Matching.Choose the most appropriate letter. a.contain DNA, but may be too small to be alive b.simple transitional forms between early organic compounds and the first living cells c.red alga resident of hot springs d.first organisms with the noncyclic pathway of photosynthesis e.source of the heat-resistant enzyme used in PCR f.offered support for endosymbiosis g.dome-shaped fossil remains of photoautotrophic bacteria (some nonfossil structures also form). h.protist with photosynthetic organelles that resemble cyanobacteria i.earliest known organism that can be assigned to a modern group -Thermus aquaticus

What can RNA do that DNA cannot that makes RNA a good starting point for life?

Classification.Choose the proper item below for the following statements. a.Thomas Brock b.Stanley Miller c.Kwang Jeon d.Lynn Margulis e.Oliver Hardy -He/she is a major proponent of endosymbiosis.

Would the evidence suggest that mitochondria or chloroplasts were the first to go through endosymbiosis?

The area indicated by "A" in the figure represents

The following questions refer to the figure above. -The area in the figure marked "A" is likely to become

The first cells were

The earliest known organism capable of sexual reproduction is a type of

The formation of amino acids under abiotic conditions was important because they serve as

The following questions refer to the figure above. -The figure represents the development of ____ in eukaryotic cells.

MATCHING Matching.Choose the most appropriate letter. a.contain DNA, but may be too small to be alive b.simple transitional forms between early organic compounds and the first living cells c.red alga resident of hot springs d.first organisms with the noncyclic pathway of photosynthesis e.source of the heat-resistant enzyme used in PCR f.offered support for endosymbiosis g.dome-shaped fossil remains of photoautotrophic bacteria (some nonfossil structures also form). h.protist with photosynthetic organelles that resemble cyanobacteria i.earliest known organism that can be assigned to a modern group -proto-cells

The following questions refer to the figure above illustrating Miller's reaction chamber. -This apparatus was used in the primitive Earth atmosphere simulation experiments performed by

According to the endosymbiont hypothesis, eukaryotic cells evolved after and as a consequence of

MATCHING Matching.Choose the most appropriate letter. a.contain DNA, but may be too small to be alive b.simple transitional forms between early organic compounds and the first living cells c.red alga resident of hot springs d.first organisms with the noncyclic pathway of photosynthesis e.source of the heat-resistant enzyme used in PCR f.offered support for endosymbiosis g.dome-shaped fossil remains of photoautotrophic bacteria (some nonfossil structures also form). h.protist with photosynthetic organelles that resemble cyanobacteria i.earliest known organism that can be assigned to a modern group -stromatolites

An hypothesis currently getting a lot of attention concerning the origin of biological molecules is that they originated

Classification.Choose the proper item below for the following statements. a.Thomas Brock b.Stanley Miller c.Kwang Jeon d.Lynn Margulis e.Oliver Hardy -He/she conducted the first primitive atmosphere simulation experiment.

Chloroplasts are thought to have originated as endosymbiotic associations when aerobic bacteria engulfed photosynthetic cells.This relationship was favored by the production of ____ by the endosymbiont.