What are some of the characteristics of flowering plants that have allowed them to flourish?
What will be an ideal response?
Flowering plants evolved flowers that increased the chances of pollination occurring, fruits that served to protect the seeds and increase the likelihood of good seed dispersal, and broad leaves to collect light more efficiently.
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Which of the following will help you distinguish between the two final suspects?
You are a forensic technician working on a DNA sample obtained from a crime scene. Your job is to compare the unknown DNA sample with known DNA samples collected from five different suspects. Preliminary analysis using only a few DNA markers revealed that the unknown sample could possibly match two of the suspects. After consulting the case file, you find out that these two suspects are brothers (but not twins). You realize that you will have to do a more detailed analysis on the samples so that you can distinguish between the brothers and determine which brothers' DNA matches the unknown sample. A. single nucleotide polymorphisms (SNPs) B. human genome map C. linkage data D. markers on the Y chromosome Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about genetic maps and DNA markers? 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?
Induced pluripotent stem cells (iPS cells) are produced by _____
a. transferring a vitamin A gene into rice plants b. reprogramming adult cells by transferring certain master control genes into the cells’ nuclei c. mutating certain genes in human blastocysts d. harvesting multipotent stem cells from umbilical cord blood e. harvesting enzymes from cadavers, and then using the enzymes to reprogram adult cells
Which of the following characteristics is common to all vascular plants that exhibit an alternation of generations in their life cycle?
A. large, independent gametophytes B. multicellular sporophytes C. Fertilization in water D. diploid spores E. Seed production
Nitrogen-fixing bacteria provide other organisms with usable nitrogen in the form of ________.
Fill in the blank(s) with the appropriate word(s).