Exam 1: The Foundations of Biochemistry

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When Stanley Miller, in Harold Urey's laboratory, subjected a gaseous mixture mimicking the prebiotic atmosphere on Earth to electrical sparks, he found that _____ were formed.

(Multiple Choice)

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Question 101

Which ranking CORRECTLY describes the rigidity of the red bond (the central bond) shown in the figure?

(Multiple Choice)

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Question 102

Which reason is MOST probable for why carbon is used in living organisms but not silicon?

(Multiple Choice)

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Question 103

Use the terms a) chemoautotrophs, b) chemoheterotrophs, c) photoautotrophs, and d) photoheterotrophs and identify the answer that CORRECTLY finishes the statement: Carnivores are _ and herbivores are _.

(Multiple Choice)

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Question 104

Which factor can be changed WITHOUT breaking covalent bonds?

(Multiple Choice)

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Question 105

The similarities of gene sequences and metabolic pathways across the three domains of life are evidence for:

(Multiple Choice)

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Question 106

The diagram below is a generic example of what process?

(Multiple Choice)

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Question 107

Explain why living organisms are able to produce particular chiral forms of different biomolceules while laboratory chemical synthesis usually produces a racemic mixture.

(Essay)

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Question 108

Hereditary transmission of genetic information can be viewed as a balance between stability and change. Explain.

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Question 109

Showing 101 - 109 of 109

When Stanley Miller, in Harold Urey's laboratory, subjected a gaseous mixture mimicking the prebiotic atmosphere on Earth to electrical sparks, he found that _____ were formed.

Which ranking CORRECTLY describes the rigidity of the red bond (the central bond) shown in the figure?

Which reason is MOST probable for why carbon is used in living organisms but not silicon?

Use the terms a) chemoautotrophs, b) chemoheterotrophs, c) photoautotrophs, and d) photoheterotrophs and identify the answer that CORRECTLY finishes the statement: Carnivores are _ and herbivores are _.

Which factor can be changed WITHOUT breaking covalent bonds?

The similarities of gene sequences and metabolic pathways across the three domains of life are evidence for:

The diagram below is a generic example of what process?

Explain why living organisms are able to produce particular chiral forms of different biomolceules while laboratory chemical synthesis usually produces a racemic mixture.

Hereditary transmission of genetic information can be viewed as a balance between stability and change. Explain.

Water

Amino Acids, Peptides, and Proteins

The Three-Dimensional Structure of Proteins

Protein Function

Enzymes

Carbohydrates and Glycobiology

Nucleotides and Nucleic Acids

DNA-Based Information Technologies

Lipids

Biological Membranes and Transport

Biosignaling

Bioenergetics and Biochemical Reaction Types

Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway

Principles of Metabolic Regulation

The Citric Acid Cycle

Fatty Acid Catabolism

Amino Acid Oxidation and the Production of Urea

Oxidative Phosphorylation and Photophosphorylation

Carbohydrate Biosynthesis in Plants and Bacteria

Lipid Biosynthesis

Biosynthesis of Amino Acids, Nucleotides, and Related Molecules

Hormonal Regulation and Integration of Mammalian Metabolism

Genes and Chromosomes

DNA Metabolism

RNA Metabolism

Protein Metabolism

Regulation of Gene Expression

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Exam 1: The Foundations of Biochemistry

When Stanley Miller, in Harold Urey's laboratory, subjected a gaseous mixture mimicking the prebiotic atmosphere on Earth to electrical sparks, he found that _____ were formed.

Which ranking CORRECTLY describes the rigidity of the red bond (the central bond) shown in the figure?

Which reason is MOST probable for why carbon is used in living organisms but not silicon?

Use the terms a) chemoautotrophs, b) chemoheterotrophs, c) photoautotrophs, and d) photoheterotrophs and identify the answer that CORRECTLY finishes the statement: Carnivores are _____ and herbivores are _____.

Which factor can be changed WITHOUT breaking covalent bonds?

The similarities of gene sequences and metabolic pathways across the three domains of life are evidence for:

The diagram below is a generic example of what process?

Explain why living organisms are able to produce particular chiral forms of different biomolceules while laboratory chemical synthesis usually produces a racemic mixture.

Hereditary transmission of genetic information can be viewed as a balance between stability and change. Explain.

Water

Amino Acids, Peptides, and Proteins

The Three-Dimensional Structure of Proteins

Protein Function

Enzymes

Carbohydrates and Glycobiology

Nucleotides and Nucleic Acids

DNA-Based Information Technologies

Lipids

Biological Membranes and Transport

Biosignaling

Bioenergetics and Biochemical Reaction Types

Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway

Principles of Metabolic Regulation

The Citric Acid Cycle

Fatty Acid Catabolism

Amino Acid Oxidation and the Production of Urea

Oxidative Phosphorylation and Photophosphorylation

Carbohydrate Biosynthesis in Plants and Bacteria

Lipid Biosynthesis

Biosynthesis of Amino Acids, Nucleotides, and Related Molecules

Hormonal Regulation and Integration of Mammalian Metabolism

Genes and Chromosomes

DNA Metabolism

RNA Metabolism

Protein Metabolism

Regulation of Gene Expression

Filters

Use the terms a) chemoautotrophs, b) chemoheterotrophs, c) photoautotrophs, and d) photoheterotrophs and identify the answer that CORRECTLY finishes the statement: Carnivores are _ and herbivores are _.