Question 1

In which of the following cellular processes is RNA involved?

Accepted Answer

A) transcription 
B) translation 
C) splicing 
D) transcription and translation 
E) All of these choices are correct. 
A) transcription 
B) translation 
C) splicing 
D) transcription and translation 
E) All of these choices are correct.

Question 2

When RNA is transcribed, the RNA/DNA complex extends for the entire length of the DNA sequence of interest.

Accepted Answer

A) True 
 B)False

Question 3

Among the possible errors listed below, which would prevent an mRNA with the correct sequence from being translated appropriately?

Accepted Answer

A) The 5F1F1F1S1F1F1F10 cap was not added. 
B) The DNA sequence was incorrect. 
C) The poly(
A) tail was not formed. 
D) Either the 5F1F1F1S1F1F1F10 cap was not added or the poly(
A) tail was not formed. 
E) None of the other answer options is correct. 
A) The 5F1F1F1S1F1F1F10 cap was not added. 
B) The DNA sequence was incorrect. 
C) The poly(
A) tail was not formed. 
D) Either the 5F1F1F1S1F1F1F10 cap was not added or the poly(
A) tail was not formed. 
E) None of the other answer options is correct.

Question 4

Why did scientists many years ago believe that protein was the storage molecule for genetic information instead of DNA?

Accepted Answer

A) There are more building blocks for protein than there are for DNA. 
B) Proteins have a wider variety of three-dimensional shapes than DNA. 
C) Proteins carry out a great range of cellular functions. 
D) All of these choices are correct. 
A) There are more building blocks for protein than there are for DNA. 
B) Proteins have a wider variety of three-dimensional shapes than DNA. 
C) Proteins carry out a great range of cellular functions. 
D) All of these choices are correct.

Question 5

An organism's genome is analyzed and found to contain 18% thymine. What percentage of that organism's DNA is cytosine?

Accepted Answer

A) 32% 
B) 18% 
C) 82% 
D) 64% 
E) 36% 
A) 32% 
B) 18% 
C) 82% 
D) 64% 
E) 36%

Question 6

The cap that is added to the RNA during processing:

Accepted Answer

A) helps prevent formation of complex three-dimensional structures in the messenger RNA. 
B) helps prevent rapid breakdown of the messenger RNA. 
C) is needed for ribosomes to attach to messenger RNA. 
D) aids in the accuracy of translation of the messenger RNA into protein. 
A) helps prevent formation of complex three-dimensional structures in the messenger RNA. 
B) helps prevent rapid breakdown of the messenger RNA. 
C) is needed for ribosomes to attach to messenger RNA. 
D) aids in the accuracy of translation of the messenger RNA into protein.

Exam 3: Nucleic Acids and Transcription

In which of the following cellular processes is RNA involved?

When RNA is transcribed, the RNA/DNA complex extends for the entire length of the DNA sequence of interest.

Among the possible errors listed below, which would prevent an mRNA with the correct sequence from being translated appropriately?

Why did scientists many years ago believe that protein was the storage molecule for genetic information instead of DNA?

An organism's genome is analyzed and found to contain 18% thymine. What percentage of that organism's DNA is cytosine?

The cap that is added to the RNA during processing:

Life: Chemical, Cellular, and Evolutionary Foundations

The Molecules of Life

Translation and Protein Structure

Organizing Principles: Lipids, Membranes, and Cell Compartments

Making Life Work: Capturing and Using Energy

Cellular Respiration: Harvesting Energy From Carbohydrates and Other Fuel Molecules

Photosynthesis: Using Sunlight to Build Carbohydrates

Cell Signaling

Cell and Tissue Architecture: Cytoskeleton, Cell Junctions, and Extracellular Matrix

Cell Division: Variations, Regulation, and Cancer

Dna Replication and Manipulation

Genomes

Mutation and Dna Repair

Genetic Variation

Mendelian Inheritance

Inheritance of Sex Chromosomes, Linked Genes, and Organelles

The Genetic and Environmental Basis of Complex Traits

Genetic and Epigenetic Regulation

Genes and Development

Evolution: How Genotypes and Phenotypes Change Over Time

Species and Speciation

Evolutionary Patterns: Phylogeny and Fossils

Human Origins and Evolution

Cycling Carbon

Bacteria and Archaea

Eukaryotic Cells: Origins and Diversity

Being Multicellular

Plant Structure and Function: Moving Photosynthesis Onto Land

Plant Reproduction: Finding Mates and Dispersing Young

Plant Growth and Development

Plant Defense: Keeping the World Green

Plant Diversity

Fungi: Structure, Function, and Diversity

Animal Nervous Systems

Animal Sensory Systems and Brain Function

Animal Movement: Muscles and Skeletons

Animal Endocrine Systems

Animal Cardiovascular and Respiratory Systems

Animal Metabolism, Nutrition, and Digestion

Animal Renal Systems: Water and Waste

Animal Reproduction and Development

Animal Immune Systems

Animal Diversity

Animal Behavior

Population Ecology

Species Interactions, Communities, and Ecosystems

Biomes and Global Ecology

The Anthropocene: Humans As a Planetary Force

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