What piece of a transcript is utilized to localize the mRNA and why is this critical to development? a. 3'UTR; protein gradients have a large influence on gene expression of cells b. 5'UTR; protein gradients have a large influence on gene expression in cells c. the promoter; it has a large influence on protein production within a cell d. The TATA box; it has a large influence on protein production within a cell

What piece of a transcript is utilized to localize the mRNA and why is this critical to development? a. 3'UTR; protein gradients have a large influence on gene expression of cells b. 5'UTR; protein gradients have a large influence on gene expression in cells c. the promoter; it has a large influence on protein production within a cell d. The TATA box; it has a large influence on protein production within a cell

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter17: Developmental Genetics

Section: Chapter Questions

Problem 12TYU

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How is the expression of genes controlled at the chromosomal level? A. DNA can synthesize extra histones as needed B. DNA can either be condensed into heterochromatin or decondensed into euchromatin C. DNA can be unwound into euchromatin to reduce the level of expression D. The expression of DNA can only be controlled at the transcriptional level E. DNA is spontaneously deleted from a chromosome if not needed
You observe that a particular gene is being transcribed during development. How can you tell whether the expression of this gene is under transcriptional or translational control?
Control of gene expression in eukaryotic cells occurs at which level(s)? a. only the transcriptional level b. epigenetic and transcriptional levels c. epigenetic, transcriptional, and translational levels d. epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels
Describe how controlling gene expression will alter the overall protein levels in the cell.
Future kidney cells and heart cells can differentiate into their respective specialized cell types because they express a different set of genes during development. O they possess different genes. O they utilize different transcription factors. O they express different genes and utilize different transcription factors during development.
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Analysis of Hunchback mRNA expression tells us what about Hunchback gene expression? That the Hunchback gene is always on That the Hunchback gene is not expressed in the fruit fly That the Hunchback gene is turned on and off during development Nothing
Which statement is correct about expression of a gene regulated by Gal4? O Galactose increases gene expression by inhibiting Gal80 O Galactose increases gene expression by binding Gal4 O Galactose decreases gene expression by binding RNA polymerase O Gal4 binds to the promoter O Gal80 binds to the promoter
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I am confused about how stem cell transplants works. If you put a semi differentiated tadpole nucleus in a denucleated egg cell, it’ll develop into a fully formed tadpole, but if you put a fully differentiated tadpole nucleus, it won’t (because the genes have already been expressed in a way where the cytoplasmic determinants cannot operate to the fullest). Then how come in stem cell transplants, you use adult nucleuses that are already developed and transplant them into the denucleated egg cells?
Homeotic (Hox genes in vertebrates) code for expression of that regulate the OD) Transcription factors, genes that determine segment identity and structure OC) Poly-A tails, that code for proteins that control muscle differentiation OE) Transcription factors, genes that control muscle differentiation OA) Operators, inducible genes coding for enzymes in metabolic pathways
Discuss the role of homeotic genes in development. Explain what happens to the phenotype of a fruit fly when a gain-of-function mutation in a homeotic gene causes the protein to be expressed in an abnormal region of the embryo. What are the consequences of a loss-of-function mutation in such a gene?