The Origin And Diversification Of Eukaryotes - Principles of Life | Biology+

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Study Pack

Set 1: Introduction

Set 2: The Chemistry and Energy of Life

Set 3: Nucleic Acids, Proteins, and Enzymes

Set 4: Cells: the Working Units of Life

Set 5: Cell Membranes and Signaling

Set 6: Pathways That Harvest and Store Chemical Energy

Set 7: The Cell Cycle and Cell Division

Set 8: Inheritance, Genes, and Chromosomes

Set 9: DNA and Its Role in Heredity

Set 10: From Dna to Protein: Gene Expression

Set 11: Regulation of Gene Expression

Set 12: Genomes

Set 13: Biotechnology

Set 14: Genes, Development, and Evolution

Set 15: Processes of Evolution

Set 16: Reconstructing and Using Phylogenies

Set 17: Speciation

Set 18: The History of Life on Earth

Set 19: Bacteria, Archaea, and Viruses

Set 20: The Origin and Diversification of Eukaryotes

Set 21: The Evolution of Plants

Set 22: The Evolution and Diversity of Fungi

Set 23: Animal Origins and Diversity

Set 24: The Plant Body

Set 25: Plant Nutrition and Transport

Set 26: Plant Growth and Development

Set 27: Reproduction of Flowering Plants

Set 28: Plants in the Environment

Set 29: Fundamentals of Animal Function

Set 30: Nutrition and Digestion

Set 31: Breathing

Set 32: Circulation

Set 33: Muscle and Movement

Set 34: Neurons, Sense Organs, and Nervous Systems

Set 35: Nervous and Endocrine Control

Set 36: Water and Salts: Excretion

Set 37: Animal Reproduction

Set 38: Animal Development

Set 39: Immunology: Animal Defense Systems

Set 40: Animal Behavior

Set 41: The Distribution of Earths Ecological Systems

Set 42: Populations

Set 43: Ecological and Evolutionary Consequences of Interactions Within and Among Species

Set 44: Ecological Communities

Set 45: The Global Ecosystem

Set 20 The Origin And Diversification Of Eukaryotes

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Set 20 The Origin And Diversification Of Eukaryotes

(Multiple Choice)

Free

Which of the following are not monophyletic?

A) Diplomonads
B) Microbial eukaryotes
C) Animals
D) Red algae
E) Plants

Answer

(Multiple Choice)

Free

A prokaryotic cell with a firm cell wall is limited in terms of how large it can get,while eukaryotic cell with a flexible cell membrane is able to grow much larger.What is the significance of this flexible cell membrane in eukaryotes?

A) It means there are no surface area-to-volume constraints on a eukaryotic cell.
B) It allows for infolding,which increases surface area of eukaryotes.
C) It allows for eukaryotic cells to be larger to contain their mitochondria.
D) Eukaryotes have a cytoskeleton,which allows for a smaller surface area-to-volume ratio.
E) It allows eukaryotic cells to grow larger to accommodate food vacuoles.

Answer

(Multiple Choice)

Free

The increasing concentration of oxygen in Earth's early atmosphere

A) was favorable to numerous prokaryotes because of their flexible membranes.
B) was fatal to numerous eukaryotes because of their mitochondria.
C) conferred a selective advantage on eukaryotes that possessed mitochondria.
D) conferred a selective advantage on eukaryotes that possessed chloroplasts.
E) conferred a selective advantage on prokaryotes because of their stiff membranes.

Answer