Multiple Choice
According to the acid-growth hypothesis, auxin causes increased acidity in cell walls, which then activates ____ that disrupt(s) bonds between cellulose microfibrils, allowing cell expansion.
A) a membrane potential
B) AUX1 transporters
C) proteins called expansins
D) an mRNA
E) K+ions
Correct Answer:
Verified
Correct Answer:
Verified
Q29: A plant's response to the relative lengths
Q30: Work by Charles Darwin and Francis Darwin
Q31: The most important natural auxin is _
Q32: The plant hormone _ is apparently synthesized
Q33: Commercial grape growers use _ to get
Q35: When a plant has a hypersensitive response,
Q36: In some cases, when an insect begins
Q37: Placing a ripe apple with other apples
Q38: The type of plant hormone primarily responsible
Q39: In systemic acquired resistance, the regulatory protein