Some bacteria have membranes around their
DNA. What is lacking in these membranes that
we do not call them nuclei?
a. pores
b. proteins
c. phospholipids
d. a bilayer construction
e. more than one of these is lacking
A
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Visible light has a wavelength range of
A. 400-740 nanometers. B. 200-800 nanometers. C. 200-400 nanometers. D. 200-740 nanometers. E. 0.001-100,000 nanometers.
Which generation is dispersed by seed plants?
In your research, you are comparing the transcriptome and the proteome for two related species. One gene in species B has a similar transcript but a much smaller protein than in species A, and the protein seems to be nonfunctional. What do you predict about this gene? (Select all that apply)
_____ It is a pseudogene. _____ It will have an increased number of persistant mutations in species B. _____ It probably has a STOP codon early in the coding region. _____ It probably has a defect in the enhancer region. _____ It probably is not methylated correctly. 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 pseudogenes? 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 traits appeared at point 4 on the the phylogeny above?
A. bulk transport B. gap junctions C. cell signaling D. adhesion E. differentiation of distinct cell types