The greater the centrifugal force is, the faster the particle sediments

TLS Online TPP Program

#Id: 8953

#Unit 11. Evolution and Behavior

A third way that gene duplicates arise is by retrotransposition.

Here the messenger RNA from a gene is reverse-transcribed to DNA, which is then integrated into the genome.

TLS Online TPP Program

#Id: 8356

#Unit 2. Cellular Organization

ActA protein binds the host protein VASP, which enhance actin assembly and confine it to the rear of the bacterium.

TLS Online TPP Program

#Id: 9722

#Unit 6. System Physiology – Plant

Thorns are modified branches, as in citrus and acacia; spines

are modified leaves

Prickles are derived mainly from the epidermis and thus can be easily snapped off the stem, protect plants from larger herbivores

Trichomes, or hairs, provide a much more effective defense against insect pests

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#Id: 5538

#Unit 7. System Physiology – Animal

In the thick segment of the ascending loop of Henle  reabsorption mechanism is load-dependent.

TLS Online TPP Program

#Id: 10147

#Unit 6. System Physiology – Plant