#Question id: 1121
#XL - Q Biochemistry
Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life?
#Question id: 1674
#XL - Q Biochemistry
Which of the following statements is TRUE of receptor editing?
#Question id: 1084
#XL - Q Biochemistry
Which observation suggested to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?
#Question id: 11575
#XL - T Zoology
Fight-or-flight reactions include activation of the ________.
#Question id: 7288
#XL - R Botany
Following statements are regarding to the expression of genes in floral quartate model in Arabidopsis thaliana.
A. Sepals- AP1(heterodimer) + SEP(homodimer)
B. Petals-AP1(monomer)+PI(monomer)+AP3(monomer)+SEP(monomer)
C. Stamens- AP3(monomer)+PI(monomer)+AG(monomer)+SEP(monomer)
D. Carpels- AG(homodimer)+SEP(homodimer)
Which of the following genetic combinations are incorrect?