Say a, b, c, d, e, f, g  are the amino acid forming αα motif / Coiled-coils then which of the condition must be followed to form perfect αα motif / Coiled-coil

(1) 'a' & 'd' are hydrophobic residues

(2) 'a' & 'd' are hydrophilic residues

(3) 'e' and 'g' are found to be charged amino acids

(4) 'e' and 'g' are found to be uncharged amino acids

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#Question id: 11085

#Unit 7. System Physiology – Animal

The diagrams show changes in the partial pressures of oxygen and carbon dioxide as blood flows from the arterial end to the venous of the pulmonary capillaries. Which diagram best depicts the normal relationship between Po2 (red line) and Pco2 (green line) during resting conditions?

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#Question id: 19224

#Unit 12. Applied Biology

Transformation efficiency is usually low, plants have been successfully transformed with large DNA fragments ranging from

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#Question id: 1564

#Unit 4. Cell Communication and Cell Signaling

When antibodies bind antigens, the clumping of antigens results from ________.

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#Question id: 8904

#Unit 9. Diversity of Life Forms

Terry takes the body of the snakelike organism and slices it open along its dorsal side. If it is a hagfish, what should Terry see?

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#Question id: 12384

#Unit 7. System Physiology – Animal

To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.

What is this patient’s approximate GFR, assuming that she collected all her urine in the 24-hour period?