Because they cannot rotate, each peptide bond holds 6 atoms in a plane.

However, most possible angles of Phi (φ) and Psi (ψ) are impossible due to clashes

between atoms. These balls are much smaller than the atoms they represent.

TLS Online TPP Program

#Id: 7593

#Unit 5. Developmental Biology

The capacitated sperm are also able to detect and respond to picomolar amounts of the hormone progesterone, which is secreted by the cumulus cells surrounding the egg

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#Id: 3497

#Unit 12. Applied Biology

Haploid plants can be produced in large numbers by anther and ovary cultures and from interspecific crosses.

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#Id: 4591

#Unit 13. Methods in Biology

Hydrodynamically focused stream separate cells in single file

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#Id: 9016

#Unit 6. System Physiology – Plant

When dark‐treated chloroplasts are exposed to light;

The flow of protons from the stroma into the thylakoid lumen is coupled to the release of Mg2+ from the intrathylakoid space to the stroma.

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#Id: 5818

#Unit 7. System Physiology – Animal

Aldosterone has three actions on the late distal tubule and collecting ducts of the kidney: