The elongation and curvature of the lens fibers control by:

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#Question id: 10603

#Unit 10. Ecological Principles

The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

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#Question id: 28242

#Unit 5. Developmental Biology

 which types of Intracellular regulatory mechanisms that involve to regulate stem cell behavior occurs at the level of chromatin?

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#Question id: 28823

#Unit 2. Cellular Organization

Vertebrate skeletal muscle contraction, also depends on set of specialized accessory proteins that are closely associated with the actin thin filaments such proteins are____

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#Question id: 15000

#Unit 8. Inheritance Biology

I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?

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#Question id: 28482

#Unit 5. Developmental Biology

A cell become the trophoblast cells by the activation of the transcription of cdx2 gene, these cdx2 gene is regulated by which transcriptional factor?