Bioactive specialized compounds that function to protect plants from viral, fungal and bacterial pathogens are ____
a. systemins
b. phytoalexins
c. PR proteins
d. R genes
e. heat-shock proteins
ANSWER: b
Biology & Microbiology
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Atomic nuclei contain protons and ________.
A. neutrons B. isomers C. ions D. moles
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The scientific study of heredity is called ________.
a) genetics b) heredity c) breeding d) true- breeding
Biology & Microbiology
More stable than a hydrogen atom (atomic number 1)?
What will be an ideal response?
Biology & Microbiology