In a solution at pH 7.0, a polymer of lysine (polylysine) is a random coil with no secondary structure. In order for it to possibly assume an ?-helix structure, the pH of the solution must be:
A. 4
B 6
C. 8
D. 10
E. 12
E
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Who introduced the concept of reflexivity as a way to help us better understand how we participate in social systems that may help or harm ourselves or others?
Why are seedless vascular plants considered paraphyletic rather than monophyletic?
A) Some of the groups within the seedless vascular plants are more closely related to each other than to other groups (such as Lycophyta). B) They share a more recent common ancestor with seeded plants than they do with the non-vascular plants. C) All of the groups contained within the seedless vascular plants do not have the same ancestor. D) The group includes their common ancestor but also the seeded descendants of that same ancestor.
Given a sequencing reaction length of approximately 500 successive nucleotides, what is the absolute minimum number of sequencing reactions needed to determine the complete human genome, excluding overlap and redundancy?
A. 3.1 billion B. 6200 C. 12.4 million D. 6.2 million Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about genome size? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A collection of clones containing all the DNA sequences carried by an individual is called a(n) ____________________
Fill in the blank(s) with correct word