The chromosomes and genes are actually replicated during

a. anaphase.
b. metaphase.
c. interphase.
d. prophase.
e. telophase.


C

Biology & Microbiology

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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?

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

Red algae yield which of these commercial

products? a. carrageenan b. nori wrappers for sushi c. algin d. agar e. all EXCEPT algin

Biology & Microbiology