Three phases of the Calvin–Benson cycle: carboxylation, reduction, and regeneration

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#Id: 1747

#Unit 4. Cell Communication and Cell Signaling

IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

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#Id: 4747

#Unit 5. Developmental Biology

Sperm microtubules protect PAR-2 protein from phosphorylation, allowing it to enter the cortex along with its binding partner, PAR-1.

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#Id: 9023

#Unit 6. System Physiology – Plant

Trx have common tertiary structure called the thioredoxin fold, which consists of five antiparallel beta sheets sandwiched between three alpha helices.

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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: 3518

#Unit 2. Cellular Organization

Genes that are more distantly related but have common ancestry. Such a group of gene families is called a superfamily.