____ helps defend plants against viral infection
a. Systemin
b. Jasmonates
c. Brassinosteroids
d. Methyl salicylate
e. Oligosaccharins
d
You might also like to view...
In mammals, females have two copies of the X chromosome, whereas males have only one copy. Dosage compensation is accomplished in mammals by:
A. females inactivating the X chromosome from the mother in all the cells. B. males inactivating the X chromosome from the father in all the cells. C. females expressing the X-encoded genes at 2 times the level of the male. D. males expressing the X-encoded genes at half the level of the female. E. females possessing a randomly inactivated X chromosome in all cells.
Which of the following genera of the Archaea do not have cell walls?
A. Thermoplasma B. Halobacterium C. Thermococcus D. None of the choices are correct.
The total sum of squares is given by the sum of:
A. the squared difference between each observation Y and the average value for Y. B. squares for the treatment (or independent variable of your model). C. the squares for the outcome (or dependent variable of your model). D. squared residuals.
All fungi are:
A) autotrophic. B) heterotrophic. C) multicellular. D) unicellular.