The gametophyte of a fern is
a. haploid.
b. photoautotrophic.
c. a structure that produces eggs and/or sperm.
d. all of the above.
d
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Glycolysis, the Entner-Duodoroff pathway and the pentose phosphate pathway all produce
A. pyruvate. B. NAD. C. NADP. D. acetyl-CoA.
The cross L p q / l P Q × l p q / l p q is carried out. If the L gene is in the middle, between genes P and Q, what would be the genotypes of the double crossover gametes in this cross?
A) L P Q and l p q B) L p Q and l P q C) l p Q and L P q D) L p q and l P Q E) cannot be determined
A population's demographics include its
a. size. b. age. c. structure. d. density. e. all of these.
Carnivorous plants evolved because which of the following nutrients is often extremely limited in their habitats?
A. carbon B. nitrogen C. iron D. O2 E. CO2