Ch.17 - Gene ExpressionWorksheetSee all chapters
All Chapters
Ch.1 - Introduction to Biology
Ch.2 - Chemistry
Ch.3 - Water
Ch.4 - Carbon
Ch.5 - Biological Molecules
Ch.6 - Cells
Ch.7 - The Membrane
Ch.8 - Energy and Metabolism
Ch.9 - Respiration
Ch.10 - Photosynthesis
Ch.11 - Cell Signaling
Ch.12 - Cell Division
Ch.13 - Meiosis
Ch.14 - Mendelian Genetics
Ch.15 - Chromosomal Theory of Inheritance
Ch.16 - DNA Synthesis
Ch.17 - Gene Expression
Ch.18 - Regulation of Expression
Ch.19 - Viruses
Ch.20 - Biotechnology
Ch.21 - Genomics
Ch.22 - Development
Ch.23 - Evolution by Natural Selection
Ch.24 - Evolution of Populations
Ch.25 - Speciation
Ch.26 - History of Life on Earth
Ch.27 - Phylogeny
Ch.28 - Prokaryotes
Ch.29 - Protists
Ch.30 - Plants
Ch.31 - Fungi
Ch.32 - Overview of Animals
Ch.33 - Invertebrates
Ch.34 - Vertebrates
Ch.35 - Plant Anatomy
Ch.36 - Vascular Plant Transport
Ch.37 - Soil
Ch.38 - Plant Reproduction
Ch.39 - Plant Sensation and Response
Ch.40 - Animal Form and Function
Ch.41 - Digestive System
Ch.42 - Circulatory System
Ch.43 - Immune System
Ch.44 - Osmoregulation and Excretion
Ch.45 - Endocrine System
Ch.46 - Animal Reproduction
Ch.47 - Nervous System
Ch.48 - Sensory Systems
Ch.49 - Muscle Systems
Ch.50 - Ecology
Ch.51 - Animal Behavior
Ch.52 - Population Ecology
Ch.53 - Community Ecology
Ch.54 - Ecosystems
Ch.55 - Conservation Biology
Sections
Gene Expression and the Genetic Code
Transcription
RNA Processing
Translation
Mutation

Solution: Which of the following is a TRUE statement about geneexpression in prokaryotes?A. Gene expression includes transcription, but not translation.B. Transcription occurs in the nucleus, but not translatio

Problem

Which of the following is a TRUE statement about geneexpression in prokaryotes?

A. Gene expression includes transcription, but not translation.

B. Transcription occurs in the nucleus, but not translation.

C. There is no editing of transcripts after transcription.

D. tRNAs are required for translation.

E. Each mRNA contains a single gene.

Solution

The gene expression of prokaryotes have many known points of comparison with the gene expression of prokaryotes. This is due to the relatively simpler cellular structure and machinery present in prokaryotes compared to eukaryotes. Ono distinguishing character is that prokaryotes, unlike eukaryotes, do not have any nucleus. Thus, the site of transcription in prokaryotes is just in the cytoplasm.

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