EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 9780100478657
Author: STARR
Publisher: YUZU
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Chapter 1, Problem 5CT
In 2005, researcher Woo-suk Hwang reported that he had made immortal stem cells from human patients. His research was hailed as a breakthrough for people affected by degenerative diseases, because stem cells may be used to repair a person's own damaged tissues. Hwang published his results in a peer-reviewed journal. In 2006, the journal retracted his paper after other scientists discovered that Hwang's group had faked their data. Does the incident show that results of scientific studies cannot be trusted? Or does it confirm the usefulness of a scientific approach, because other scientists discovered and exposed the fraud?
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Hydrogen bonds play an important role in stabilizing and organizing biological macromolecules. Consider the four macromolecules discussed. Describe three examples where hydrogen bond formation affects the form or function of the macromolecule.
Imagine you are a botanist. Below are characteristics of a never-before described plant species recently identified as part of the ‘All Taxa Biodiversity Inventory’ (ATBI).
Field Notes: Specimen collected from shaded area along stream in South Cumberland State Park (Grundy County, TN).
Laboratory Analysis:
Body: Large leaves emerging from underground rhizome.
Size: 63 cm
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Cuticle: Present
Leaves: Present—large with branched veins. Underside has sori (containing haploid spores).
Roots: Present—branch from the inside.
Stem: Present—vascular tissue (xylem & phloem) present.
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CUÁ
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Chapter 1 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 1 - Prob. 1SQCh. 1 - Prob. 2SQCh. 1 - Prob. 3SQCh. 1 - By sensing and responding to change, organisms...Ch. 1 - DNA____________. a. guides form and function c. is...Ch. 1 - A process by which an organism produces offspring...Ch. 1 - ____________ is the transmission of DNA to...Ch. 1 - A butterfly is a n _________ choose all that...Ch. 1 - Prob. 9SQCh. 1 - A bacterium is __________ choose all that apply....
Ch. 1 - Bacteria, Archaea and Eukarya are three...Ch. 1 - A control group is __________. a. a set of...Ch. 1 - Fifteen randomly selected students are found to be...Ch. 1 - Prob. 14SQCh. 1 - Prob. 15SQCh. 1 - A person is declared dead upon the irreversible...Ch. 1 - Prob. 2CTCh. 1 - Why would you think twice about ordering from a...Ch. 1 - Once there was a highly intelligent turkey that...Ch. 1 - In 2005, researcher Woo-suk Hwang reported that he...
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