Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 10, Problem 8SQ
Summary Introduction
Introduction: Gene knock-out techniques are used for inactivating a particular gene by altering a region of DNA from that gene. These techniques are generally used for the study of loss of function of a gene during its development.
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6. _____ is a DNA sequence.
1.Coactivator
2.Corepressor
3.Enhancer
4. Inducer
5.Transactivator
Match the gene on the left with the gene category on the right.
ERBB2
E-cadherin
BRCA1
Cdk4
A.
oncogene
B.
proto-oncogene
C.
low expression in invasive cells
D.
tumor suppressor gene
Match the terms with the most suitable description. ___ operon a. makes a man out of you ___ Circadian rhythm b. binding site for repressor ___ Barr body c. can be epigenetic ___ differentiation d. inactivated X chromosome ___ mRNA zip code e. controls multiple genes ___ DNA methylation f. localization mechanism ___ eyeless g. speeds transcription ___ activator h. required for eye formation ___ SRY gene i. effect of regulatory loops ___ operator j. cells become specialized
Chapter 10 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Gene expression does not vary by ___ . a. cell...Ch. 10 - Binding or ___ to ___ in DNA can increase the rate...Ch. 10 - Muscle cells differ from bone cells because they...Ch. 10 - Prob. 4SQCh. 10 - Mechanisms that govern gene expression do not...Ch. 10 - Prob. 6SQCh. 10 - Prob. 7SQ
Ch. 10 - Prob. 8SQCh. 10 - Which of the following includes all of the others?...Ch. 10 - Prob. 10SQCh. 10 - Prob. 11SQCh. 10 - A cell with a Barr body is ___ . a. a bacterium b....Ch. 10 - Prob. 13SQCh. 10 - Which of the following statements is incorrect? a....Ch. 10 - Prob. 15SQCh. 10 - Explain why somebut not allof an organism's genes...Ch. 10 - Do the same mechanisms that govern gene expression...Ch. 10 - Prob. 3CTCh. 10 - The photos below show flowers from two Arabidopsis...
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- Match the terms with the most suitable description. ___ methylation a. makes a man out of you ___ SRY gene b. binding site for repressor ___ operator c. cells become specialized ___ Barr body d. can be epigenetic ___ differentiation e. inactivated X chromosomearrow_forwardOperons______ . a. only occur in bacteria b. include multiple genes c. involve selective gene expressionarrow_forward1. A neuron and a white cell have very different functions. For example, a neuron can receive and respond to electrical signals while a white cell defends the body because it ___________.to. the proteins in neurons are completely different from those in the white cell.b. neurons and white cells in an individual have the same genome.c. the neuron expresses some mRNAs that the white cell does not express.d. Both neurons and white cells are already differentiated cells that do not need to transcribe or translate genes. 2. Which of the following is the main reason for a typical eukaryotic gene to be able to respond to a greater variety of regulatory signals than a typical prokaryotic gene or operon?to. eukaryotes have three types of RNA polymeraseb. RNA polymerases in eukaryotes require general and unspecific transcription factorsc. the transcription of a gened. prokaryotic genes are packed in nucleosomes 3. The distinctive characteristics of different types of cells in a multicellular…arrow_forward
- Mutations in the ras gene family induce normal cells to proceed into the replication cycle. This converts the ras gene from a ________ gene to a ________ gene. a. proto-oncogene; oncogene b. oncogene; proto-oncogene c. mutant; oncogene d. tumor suppressor; proto-oncogenearrow_forwardA repressor is a __________ that _________ transcription. a. small effector molecule, inhibits b. small effector molecule, enhances c. regulatory protein, inhibits d. regulatory protein, enhancesarrow_forwardEpigenetic changes in gene regulation are caused by _ _ _ _ _ _ _ a. missing nucleotides or chromosomes b. modifications to histones and the DNA, but not the nucleotide sequence itself c. mutations of the nucleotide sequencearrow_forward
- Muscle cells differ from bone cells because they_______ . a. carry different genes c. are eukaryotic b. express different genes d. are different agesarrow_forward1. The research done by Gregor Mendel is important because it showed a. physical traits in bacteria are determined by chromosomes. b. chromosomes in pea plants separate during cell division. c. DNA is present in bacteria. d. physical traits in pea plants are passed between generations. 2. Transcription of the lacZ and lacy genes of the lac operon begins when a. the repressor is released from the promoter b. the repressor protein binds to the inducer c. RNA polymerase binds to the lacZ gene d. lactose binds to the operator 3. During DNA replication, the function of RNA primers is to: a. serve as a binding site for DNA ligase b. serve as starting points for DNA strand elongation by DNA polymerase III in prokaryotes c. serve as starting points for DNA strand elongation by DNA polymerase I in the 3' - 5' direction d. open replication bubbles 4. Which statement about purines is true? a. Each purine is base pair with a pyrmidine. b. They are adenine and guanine. c. They are nitrogenous bases…arrow_forwardMechanisms that govern gene expression do not operate during______ . a. transcription c. translation b. RNA processing d. knockoutsarrow_forward
- The key to epigenetic regulation is ________. a. controlling accessibility to transcription factors and RNA polymerase binding b. biochemical modification of binding factors c. physical modification of the DNAarrow_forwardProteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c. operators b. transcription factors d. enhancersarrow_forwardThe RNA-induced silencing complex (RISC) _____i. Binds to and unwinds ds siRNA/miRNA to produce ss siRNAs/miRNAii. Creates a block and inhibits translation when the ss siRNA matches the mRNAiii. Mediates the degradation of the siRNA or miRNA to repress gene expression a. I onlyb. II onlyc. I and IId. II and IIIarrow_forward
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