EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 19, Problem 5SQ
Summary Introduction
Introduction: Genes are sets of
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Muscle cells differ from bone cells because they_______ . a. carry different genes c. are eukaryotic b. express different genes d. are different ages
Oocytes contain inactivated ______ that become activated soon fertilization. The mechanism that regulates this activation is ___________.
Select one:
a.
proteins, poly-acetylation
b.
proteins,poly-adenylation
c.
mRNA, poly-acetylation
d.
mRNA-poly-adenylation
e.
egg cells, poly-acetyation
The main function of an mRNA molecule is to_______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acids
Chapter 19 Solutions
EBK HUMAN BIOLOGY
Ch. 19 - Define the difference between (a) gene and allele,...Ch. 19 - Prob. 2RQCh. 19 - What is probability, and how is it applied in...Ch. 19 - What is independent assortment? Does independent...Ch. 19 - Alleles are ___________. a. alternate forms of a...Ch. 19 - A heterozygote has _____. a. only one of the...Ch. 19 - Prob. 3SQCh. 19 - Offspring of a cross AA aa are ______. a. all AA...Ch. 19 - Prob. 5SQCh. 19 - Prob. 6SQ
Ch. 19 - Which statement best fits the principle of...Ch. 19 - Prob. 8SQCh. 19 - Prob. 9SQCh. 19 - Prob. 10SQCh. 19 - One gene has alleles A and a. Another has alleles...Ch. 19 - Still referring to Problem 1, what will be the...Ch. 19 - Go back to Problem 1, and assume you now study a...Ch. 19 - The young woman shown at right has albinismvery...Ch. 19 - When you decide to breed your Labrador retriever...Ch. 19 - The ABO blood system has been used to settle cases...Ch. 19 - Prob. 7CTCh. 19 - A man is homozygous dominant for ten different...Ch. 19 - Prob. 9CTCh. 19 - Bill and Marie each have flat feet, long...Ch. 19 - You decide to breed a pair of guinea pigs, one...
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- . A researcher attempts to extract specific cells from a human kidney to regenerate and repair a patient's damaged kidney cells. The type of cells the researcher uses are _____. a totipotent stem cells b adult stem cells c embryonic stem cells d pluripotent stem cellsarrow_forwardWhat does this expression mean? DNA → RNA→ Protein A DNA first turns into RNA; then the RNA turns into a protein. B The information in a DNA molecule is used to make an RNA molecule; then the information in the RNA is used to build a protein. C A cell passes through a phase where it has only DNA, then only RNA, then only protein.arrow_forwardA signaling pathway causes a transcription factor binding to a particular promoter. What effect does this have on the cell? O A. The DNA region near the promoter becomes more methylated. O B. The DNA region near the promoter becomes less methylated. O C. The gene related to this promoter has increased transcription. D. The gene related to this promoter has decreased transcription. red MacBook Air 吕口 F3 D00 F4 F6 F7 F8 88 # $ % & * 2 3 4 6 7 8arrow_forward
- An individual can inherit a gene in which expression has been altered by an ________ change with no mutation of the gene sequence. Choose the description in column 2 that best matches each gene in column 1. p53 c-myc A. tumor suppressor gene B. oncogenearrow_forward_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding a. Epigentics b. Histone code c. Heterochromatin d. Post translational modificationsarrow_forwardA mutation in the Ras protein could directly affect improper _____ Select one: a. cell signaling leading to alterations in cell division b. cell signaling leading to alterations proteasome activity c. microtubule assembly leading to faulty cell division d. protein degradation during the cell cycle e. protein phosphorylation in the cell cyclearrow_forward
- Epigenetic modification of gene expressiona. always inhibits gene transcription.b. always stimulates gene expression.c. is erased from the DNA following mitotic cell division.d. may sometimes be transmitted from generation to generation.arrow_forwardControl 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 levelsarrow_forwardWhich of the following statament is NOT TRUE about gene expression?a. The expression of genes that code for proteins includes two stages: replication and translationb. Translation is the synthesis of a polypeptide using the information in the mRNA.c. During gene expression, the information encoded in genes is used to make specific polypeptide chains or RNA molecules.d. Gene expression is the process by which DNA directs the synthesis of proteinsarrow_forward
- Two cells use the same segment of DNA to produce two different proteins. The mRNA transcribed by cell A contains more introns than does the mRNA produced by cell B. Which of the following is true about the proteins of these cells? O A The protein for cell A is longer. O B. The protein for cell A is shorter. O C. Cell A produces more of this protein. O D. Cell A produces less of this protein. mswered MacBook Air F3 F4 F7 F9 @ # $ % & * 2 5 6 7 W E R S D H Karrow_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_forwardOperons______ . a. only occur in bacteria b. include multiple genes c. involve selective gene expressionarrow_forward
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