The chromosomes and genes are actually replicated during
a. anaphase.
b. metaphase.
c. interphase.
d. prophase.
e. telophase.
C
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Which two experiments best demonstrate that the gene AP3 is important for flower development? (Choose two)
_____ When a wild type AP3 transgene is expressed in an AP3 mutant, the plant produces normal flowers. _____ When AP3 is deleted, the plant produces deformed flowers. _____ When the genes PI and AP3 are both deleted, the plant produces deformed flowers. _____ When a wild type AP3 transgene is overexpressed, the plant produces normal flowers. _____ When a wild type AP3 transgene is overexpressed, the plant produces deformed flowers. _____ When AP3 is duplicated, the plant produces deformed flowers. 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 the flower development genes? 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 toothed, biting structure found in the mouths of sea urchins that is used for rasping algae is called:
a. a tube foot. b. Aristotle's lantern. c. a pedicellaria. d. an ambulacral groove. e. a dermal denticle.
Which of the following is one of Chargaff’s
rules?
a. different organisms have different DNA sequences b. the DNA molecule is a double helix c. the two strands in a DNA molecule run in opposite directions d. the backbone of a DNA molecule is on the outside e. all of these are Chargaff’s rules
Red algae yield which of these commercial
products? a. carrageenan b. nori wrappers for sushi c. algin d. agar e. all EXCEPT algin