Merotelic attachment 

A kinetochore can attach to microtubules emanating from both poles at the same time

TLS Online TPP Program

#Id: 8132

#XL - Q Biochemistry

Lipids as pigments in plants and bird feathers.

Birds acquire the pigments that color their feathers red or yellow by eating plant materials that contain carotenoid pigments, such as canthaxanthin and zeaxanthin.

The differences in pigmentation between male and female birds are the result of differences in intestinal uptake and processing of carotenoids.

TLS Online TPP Program

#Id: 9648

#XL - T Zoology

MEK is a dual-specificity protein kinase

phosphorylates its target proteins on both tyrosine and serine/threonine

TLS Online TPP Program

#Id: 9263

#XL - R Botany

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

TLS Online TPP Program

#Id: 8434

#XL - T Zoology

If the environment is stable - Selection favors a single act of reproduction.

TLS Online TPP Program

#Id: 7849

#XL - T Zoology

The pyranose form of glucose dominates (>99%) at equilibrium in aqueous solution