Gibberellins have their most dramatic effects
a. on leaves.
b. in promoting abscission.
c. on fruit ripening.
d. on stem lengthening.
e. on flowers.
D
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Nitrogen can be obtained from either organic or inorganic sources.
Answer the following statement true (T) or false (F)
Random segregation of chromosomes (by itself) means that a particular daughter cell
a. has some paternal chromosomes and some maternal chromosomes. b. has only paternal chromosomes. c. has only maternal chromosomes. d. has chromosomes containing genes from the paternal and maternal chromosomes. e. has some paternal chromosomes and some maternal chromosomes and has chromosomes containing genes from the paternal and maternal chromosomes.
The building blocks of nucleic acids are
a. amino acids. b. nucleotides. c. pentose sugars. d. phosphate groups. e. nitrogenous bases.
Assume that a Chi-square test was conducted to test the goodness of fit to a 3:1 ratio and that a Chi-square value of 2.62 was obtained
Should the null hypothesis be accepted? How many degrees of freedom would be associated with this test of significance?