Below is a simplified schematic representation of some of the genetic elements involved in the regulation of Pitx1 gene expression. The large grey rectangle represents the protein-coding region of the Pitx1 gene. The smaller rectangles to the left (b and c) are regulatory switches; each one allows a specific binding protein to interact with it and turn on the Pitx1 gene in a particular tissue. When expressed, the Pitx1 gene is transcribed and then translated to generate the Pitx1 protein. A deletion at the location (a) causes a frameshift mutation.

a) How likely is it that a functional Pitx1 protein would be produced in the jaw?

b) How likely is it that a functional Pitx1 protein would be produced in the pelvis?

(answer likely or not likely for each)

c) Justify your answer in 2-3 sentences.

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

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explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

bc blah

explanation:

bc blah