A population can be clumped at one scale and uniform at another
Indicate whether the statement is true or false
TRUE
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The progesterone receptor (PR) is a steroid hormone receptor and transcription factor. The protein SRC-1, which does not bind DNA by itself, can bind to PR and increase expression of genes regulated by PR. Based on this information, SRC-1 is best described as a(n)
A. coactivator. B. inducer. C. general transcription factor. D. specific transcription factor. 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 coactivators? 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?
Southern blot is a method for ____
a. amplifying DNA segments using cycles of denaturation, annealing to primers, and DNA polymerase-directed DNA synthesis b. transferring DNA fragments from a gel to a membrane filter and used in hybridization experiments c. determining the nucleotide sequence of a DNA molecule d. producing several clones from a single cell by placing the cell in a Petri dish and allowing it to go through several divisions e. detecting mutant genes or differences in the pattern of gene expression
Red algae can grow at greater ocean depths than most other algae can because red algae are
A. specialized for absorbing red wavelengths of light for photosynthesis B. specialized for absorbing ultraviolet wavelengths of light for photosynthesis C. specialized for absorbing blue wavelengths of light for photosynthesis D. unable to use chlorophyll for photosynthesis E. adapted for chemosynthesis, rather than photosynthesis
Global climate change could be magnified by _________.
A. growing plants B. limits on burning fossil fuels C. extreme weather patterns D. deforestation