Myosin heads contain
a. actin.
b. myofibrils.
c. ATP
d. ADP
e. ATPase.
E
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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?
Which of the following virulence factors has been associated with Pseudomonas aeruginosa?
A. Endotoxin A B. Exoenzyme S C. Pyogenic exotoxin D. Endoenzyme T
In terms of changes in membrane potential, compare and contrast action potentials and graded potentials
What will be an ideal response?
Misexpression of the Pax6 gene was shown to promote eye development in both vertebrates and invertebrates. The authors of this study suggested that this was evidence that eyes evolved only once. What other evidence contradicts this view?
Pax6 is a transcription factor noted for its unique role in specifying eye development across the animal kingdom. A homologous gene known as eyeless specifies eyes in Drosophila, and misexpression of mouse Pax6 can cause ectopic eyes in flies! This creates a quandary -- how can we explain the universality of the master regulatory gene for eye development, with the striking variability of eye anatomy in different phyla? A. Invertebrates normally have only simple eyespots. B. Many different transcription factors can initiate eye development when misexpressed. C. While the anatomy of all animal eyes is the same, lens proteins vary greatly. D. The anatomical structure of insect, mollusk, and vertebrate eyes are quite different. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about eyes? What other information is related to the question? Choose Answer Given what you now know, what information 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?