ABA synthesized in the roots can also be transported to the shoot via the xylem. The concentration of ABA in the xylem sap of well-watered sunflower plants is between 1.0 and 15.0 nM, the ABA concentration in water stressed sunflower plants increases to as much as 3000 Nm (3.0 μM)

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#Id: 4761

#Unit 5. Developmental Biology

PAL-1 is regulated by the MEX-3 protein, an RNA binding protein that inhibit the translation of pal-1 mRNA.

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#Id: 5306

#Unit 7. System Physiology – Animal

Fourth heart sound (S4)

Not audible in normal adults

Heard in ventricular hypertrophy, where ventricular compliance is decreased

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#Id: 849

#Unit 2. Cellular Organization

Erwinia is necrotrophic bacteria that deploy pectic enzymes cause extensive cell death and tissue maceration.

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#Id: 8101

#Unit 1. Molecules and their Interaction Relevant to Biology

In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

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#Id: 6273

#Unit 8. Inheritance Biology

DUPLICATE RECESSIVE EPISTASIS(9:7) Duplicate recessive epistasis, in which two recessive alleles at either of two different loci can suppress a phenotype.