17. (comprehension) Refer to the graph to answer the following questions. hobo denie II Sample cpoiconEA pe oge ton You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown in this figure. 29. If the cells were from a plant, WHICH sample might represent a root tip cell? Argariqoes A) I B) П C) II D) either I or II E) either II or III 30. WHICH sample of DNA might be from a nerve cell arrested in Go of the cell cycle? A) I B) П C) II D) either I or II E) either II or III KEWOAED a i 31. WHICH sample might represent an animal cell in G2 phase of the cell cycle? A) I В) C) III D) both I and II E) both II and III 32. WHICH sample might represent a sperm cell? b D) either I or II E) either II or III A) I CY II

17. (comprehension) Refer to the graph to answer the following questions. hobo denie II Sample cpoiconEA pe oge ton You isolate DNA from three different cell types of an organism, determine the relative DNA content for each type, and plot the results on the graph shown in this figure. 29. If the cells were from a plant, WHICH sample might represent a root tip cell? Argariqoes A) I B) П C) II D) either I or II E) either II or III 30. WHICH sample of DNA might be from a nerve cell arrested in Go of the cell cycle? A) I B) П C) II D) either I or II E) either II or III KEWOAED a i 31. WHICH sample might represent an animal cell in G2 phase of the cell cycle? A) I В) C) III D) both I and II E) both II and III 32. WHICH sample might represent a sperm cell? b D) either I or II E) either II or III A) I CY II

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter10: From Proteins To Phenotypes

Section: Chapter Questions

Problem 10QP: b. Compounds A, B, C, and D are known to be intermediates in the pathway for production of protein...

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It is not an easy matter to assign particular func-tions to specific components of the basal lamina, sincethe overall structure is a complicated composite materialwith both mechanical and signaling properties. Nidogen,for example, cross-links two central components of thebasal lamina by binding to the laminin γ-1 chain and totype IV collagen. Given such a key role, it was surprisingthat mice with a homozygous knockout of the gene fornidogen-1 were entirely healthy, with no abnormal phe-notype. Similarly, mice homozygous for a knockout of thegene for nidogen-2 also appeared completely normal. Bycontrast, mice that were homozygous for a defined muta-tion in the gene for laminin γ-1, which eliminated just thebinding site for nidogen, died at birth with severe defectsin lung and kidney formation. The mutant portion of thelaminin γ-1 chain is thought to have no other functionthan to bind nidogen, and does not affect laminin struc-ture or its ability to assemble into the basal lamina.…
b. Compounds A, B, C, and D are known to be intermediates in the pathway for production of protein E. To determine where the block in protein-E production occurred in each individual, the various intermediates were given to each individuals cel Is in culture. After a few weeks of growth with the intermediate, the cells were assayed for the production of protein E. The results for each individuals cells are given in the following table. A plus sign means that protein E was produced after the cells were given the intermediate listed at the top of the column. A minus sign means that the cells still could not produce protein E even after being exposed to the intermediate at the top of the column. Denote the point in the pathway in which each individual is blocked.
a. Compounds A, B, C, and D are known to be intermediates in the pathway for production of protein E. To determine where the block in protein-E production occurred in each individual, the various intermediates were given to each individuals cel Is in culture. After a few weeks of growth with the intermediate, the cells were assayed for the production of protein E. The results for each individuals cells are given in the following table. A plus sign means that protein E was produced after the cells were given the intermediate listed at the top of the column. A minus sign means that the cells still could not produce protein E even after being exposed to the intermediate at the top of the column. Draw the pathway leading to the production of protein E.
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