When a plant has a hypersensitive response, production of ____ triggers effects such as the expression of PR proteins
a. oligosaccharins
b. salicylic acid
c. ethylene
d. cytokinin
e. brassinosteroids
ANSWER: b
You might also like to view...
During the eugenics movement of the 1900s, it was believed that individuals affected with certain genetic disorders should be sterilized to prevent transmitting the gene to future generations. Would such measures be effective? Why or why not?
What will be an ideal response?
Members of the phylum ____ exhibit radial symmetry, with their body parts arranged regularly around
a central axis.
a. Porifera b. Mollusca c. Cnidaria d. Platyhelminthes e. Chordata
In this figure, the genotype of the resistant parental bollworms is while the susceptible parental bollworms have a genotype.
In these data, the parental generation characteristics (resistant or susceptible) are shown at the top.
A. Rr; RR
B. Rr; rr
C. RR; rr
D. rr; RR
E. RR; Rr
Homologous chromosomes
A) are in pairs, one chromosome of each pair from the father and one from the mother. B) have alleles for the same characteristics even though the gene expression may not be the same. C) pair up during meiosis. D) may exchange parts during meiosis. E) All of the choices are correct.