Your friend is taking Accutane for her adult acne. She comes to you and says that she thinks she is pregnant. What is the best advice that you can give her?
A) Not to worry as Accutane has been proven safe for pregnant mothers.
B) Accutane is likely to cause skin disorders in her fetus, so she should stop taking it.
C) It is best to see her doctor as soon as possible to determine whether or not the drug is safe.
D) As long as she is getting adequate nutrition and taking prenatal vitamins, she shouldn't worry about drug effects on the fetus.
Ans: C) It is best to see her doctor as soon as possible to determine whether or not the drug is safe.
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Multicellular fungi grow as branching filaments called ____
a. mycorrhizae b. conidia c. asci d. hyphae e. basidia
The hormone most involved in triggering abscission is:
a. auxin. b. nitric oxide. c. cytokinin. d. ethylene. e. phytochrome.
________ competition results when individuals of one species inhibit individuals of another by using up a shared resource
Fill in the blank(s) with correct word
Suppose that a homeotic gene from Drosophila is introduced into an Arabidopsis embryo that has a pre-existing mutation in one of its homeotic flower genes. What effect would you expect and why?
A) rescue (or negating) of the phenotype of the mutant because the fly Hox gene supplies the missing protein B) correction of the sequence in the mutant by recombination with the Drosophila gene sequence C) expression of the Drosophila homeotic gene correcting the mRNA of the mutant plant D) a mixture of roughly equal numbers of Drosophila and plant gene product, producing an intermediate phenotype E) no effect, because Hox genes are different from MADS box genes