Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.

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#Id: 3635

#Unit 3. Fundamental Processes

A minimum of 32 tRNAs are required to translate all 61 codons (31 to encode the amino acids and 1 for initiation).

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#Id: 9594

#Unit 11. Evolution and Behavior

Dryopithecus is considered as the common ancestor of the apes and man. 

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#Id: 1207

#Unit 7. System Physiology – Animal

LH is necessary for final follicular growth and ovulation.

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#Id: 7771

#Unit 2. Cellular Organization

Nuclear lamina

Fibrous network on the inner surface of the nuclear envelope composed of lamin intermediate filaments that provides structural support for the nuclear envelope and also acts as an anchoring site for chromosomes.

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#Id: 8811

#Unit 6. System Physiology – Plant

first and second excited singlet states in chlorophyll for a molecule that has two major absorption bands in blue and red.