Which of the following describes the curve labeled “E” on the graph?
a. a primary response to the initial antigen
b. a secondary response to the initial antigen
c. a primary response to an antigen distinctly different from the initial antigen
d. a secondary response to an antigen distinctly different from the initial antigen
e. a tertiary response to the initial antigen
C
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Which statement is TRUE regarding fungal spores?
A) Conidia are asexual spores. B) Ascospores are sexual spores. C) Basidiospores are sexual spores. D) Conidia are asexual spores, and both ascospores and basidiospores are sexual spores.
Most basidiomycetes are autotrophs that decompose plant debris, especially cellulose and lignin.
Answer the following statement true (T) or false (F)
Chargaff showed that DNA that has 20% guanine has ________ cytosine.
A) 20% B) 30% C) 60% D) 40%
Most ocean currents flow clockwise in the Northern Hemisphere
Indicate whether the statement is true or false.