Exam 28: The Origin and Evolution of Eukaryotes

SAR is a highly diverse group of protists defined by DNA similarities determined through whole-genome analysis of various organisms in the group. Which of the following conclusions could be drawn from this information?

(Multiple Choice)

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Question 61

Amoebas are polyphyletic. Based on this fact, which of the following statements regarding their evolution is correct?

(Multiple Choice)

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Question 62

Ciliates like Paramecium typically reproduce asexually. Which process in Paramecium results in genetic recombination but no increase in population size?

(Multiple Choice)

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Question 63

Which of the following types of organisms produces algin, a substance used as a thickener in many processed foods?

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Question 64

Healthy individuals of Paramecium bursaria contain photosynthetic algal endosymbionts of the genus Chlorella. The Chlorella provide their hosts with glucose and oxygen, and P. bursaria provides its Chlorella with protection and motility. Which term best describes the symbiotic relationship of well-fed P. bursaria to Chlorella?

(Multiple Choice)

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Question 65

What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes?

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Question 66

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Exam 28: The Origin and Evolution of Eukaryotes

SAR is a highly diverse group of protists defined by DNA similarities determined through whole-genome analysis of various organisms in the group. Which of the following conclusions could be drawn from this information?

Amoebas are polyphyletic. Based on this fact, which of the following statements regarding their evolution is correct?

Ciliates like Paramecium typically reproduce asexually. Which process in Paramecium results in genetic recombination but no increase in population size?

Which of the following types of organisms produces algin, a substance used as a thickener in many processed foods?

What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes?

Biology and Its Themes

Atoms and Molecules

The Chemistry of Water

Carbon: the Basis of Molecular Diversity

Biological Macromolecules and Lipids

Energy and Life

Cell Structure and Function

Cell Membranes

Cellular Signaling

Cell Respiration

Photosynthetic Processes

Mitosis

Sexual Life Cycles and Meiosis

Mendelian Genetics

Linkage and Chromosomes

Nucleic Acids and Inheritance

Expression of Genes

Control of Gene Expression

Dna Technology

The Evolution of Genomes

How Evolution Works

Phylogenetic Reconstruction

Microevolution

Species and Speciation

Macroevolution

Introduction to Viruses

Prokaryotes

Nonvascular and Seedless Vascular Plants

Seed Plants

Introduction to Fungi

An Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure and Growth

Transport in Vascular Plants

Plant Nutrition

Reproduction of Flowering Plants

Plant Signals and Behavior

The Animal Body

Chemical Signals in Animals

Animal Digestive Systems

Animal Transport Systems

Animal Excretory Systems

Animal Reproductive Systems

Development in Animals

Animal Defenses Against Infection

Electrical Signals in Animals

Neural Regulation in Animals

Sensation and Movement in Animals

An Overview of Ecology

Behavioral Ecology

Populations and Life History Traits

Biodiversity and Communities

Energy Flow and Chemical Cycling in Ecosystems

Conservation and Global Ecology

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