Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 10.1, Problem 1CC
MAKE CONNECTIONS Using what you know of gene expression in a cell, explain what causes traits of parents (such as hair color) to show up in their offspring. (See Concept 3.6 1)
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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?
Why is the control of gene expression important for cells? Choose one:
It ensures the accurate replication of DNA.
It prevents mutations from occurring during transcription and translation.
• It regulates the synthesis of proteins necessary for cellular functions.
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
Chapter 10 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 10.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 10.1 - How does an asexually reproducing eukaryotic...Ch. 10.1 - WHAT IF? A horticulturalist breeds orchids, trying...Ch. 10.2 - Prob. 2CCCh. 10.2 - Prob. 3CCCh. 10.2 - WHAT IF? A certain eukaryote lives as a...Ch. 10.3 - WHAT IF? After the synaptonemal complex...Ch. 10.4 - Prob. 1CCCh. 10.4 - WHAT IF? If maternal and paternal chromatids have...Ch. 10 - A human cell containing 22 autosomes and a Y...
Ch. 10 - Homologous chromosomes move toward opposite poles...Ch. 10 - If the DNA content of a diploid cell in the G1...Ch. 10 - Prob. 4TYUCh. 10 - DRAW ITThe diagram shows a cell in meiosis. (a)...Ch. 10 - Prob. 7TYUCh. 10 - SCIENTIFIC INQUIRY The diagram in question 5...Ch. 10 - Prob. 9TYUCh. 10 - Prob. 10TYUCh. 10 - Prob. 11TYU
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- How does gene expression influence the behavior of cells that contain the same genome (genetic information)? In other words, why do cells that belong to the same multicellular organism have a different structure and function?arrow_forwardPlease answer fast In one organism it was found out that there are 200,000 proteins while in a different study we found that there are 50,000 genes what is the phenomenon this organism is experiencing?arrow_forwardVISUALIZE Sketch a roughly cuboidal cell preparing to divide. Indicate the orientation of the preprophase band and the site where the new cell walls of the daughter cells will form.arrow_forward
- Explain your understanding of the GENE concept? How is the inheritance of genes related to protein synthesis and the expression of traits in the individual?arrow_forwardExplain what epigenetics is? Please explain the role of epigenetics in vernalization.arrow_forward5. This diagram illustrates regulation of the Pitx-1 gene, which is expressed in various cell types • during certain stages of animal embryonic development. Answer the questions that follow: Promoter Coding Region Pelvis Olfactory Jaw Regulatory Segments ("Switches") a. Which portion of this sequence gets transcribed and translated into a protein? b. Which portion of this sequence underwent a deletion mutation in certain species of freshwater stickleback fish? Did that mutation have an impact on the amino acid sequence of the protein, when it was expressed? С. d. If this switch underwent the same mutation in a turtle embryo, how would the turtle's phenotype be impacted? е. Would this phenotypic change in the turtle likely be adaptive? Briefly explain.arrow_forward
- ou now have an understanding of Genomes, DNA Replication, Transcription, Translation, and Regulation of Genes. How would you reprogram skin cells to create cells which look and behave like brain cells (neurons)? What would you change/modify to reprogram a skin cell to a neuron? How would you introduce the change/modification into the skin cells to transform them into neurons?arrow_forwardPlease answer fast Describe how specific molecules are used to change the gene expression of a gene in a cell. Explain if this change in gene expression is beneficial to either the cell or society, using specific examples .arrow_forwardHarry Potter speaks parseltongue(he can talk to snakes). Dumbledore explains that this is because harry expresses a gene than can regulate the expression of multiple language genes. based on what you learned in cell biology class, give an example of an enzyme that this gene could code for and explain in a line, how this enzyme could regulate gene expression?arrow_forward
- In which tissue(s) is the mRNA and protein highly expressed in? 1. Go to: https://www.proteinatlas.org/2. Type the name of your protein in the search bar. Click "Search"3. Click on the gene name of your protein4. Click on the "Tissue" icon5. Scroll down to the graphs showing Protein and mRNA expression.6. Search for the tissue type that shows high expression in both the protein and mRNA graphs. Kidney Placenta Adipose tissue Stomach Ovary *Can be more than one answer*arrow_forwardDescribe the ways in which gene expression is regulated Must include: • Transcription factors• Histone acetylation• DNA methylationarrow_forwardHow does gene activation lead to cell differentiation? Explain the correct answer and explain why the others are wrong. A. Different genes are activated in different cells, causing each cell to have a unique funcation B. The same genes are actives in every cell of your body, causing every cell to function the same C. Certain cells only have parts of DNA that causes cell deferentiation D. Unique genes are in different cells, causing each cell to have a unique functionarrow_forward
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