The coding region of mRNA is called a(n) ; ____ , whereas the noncoding region is called an ____
Fill in the blank with the appropriate word.
Answer : intron, exon
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Living or dead organisms that occupy an organism's habitat are called biotic factors.
Answer the following statement true (T) or false (F)
You examine cells with a microscope and detect two Barr bodies in each cell. What is the most likely genotype of the cells?
A) XX B) XY C) XO D) XXY E) XXX
The three nucleotide sequence on mRNA is called an anticodon.
Answer the following statement true (T) or false (F)
Thrips are insects that feed on rose pollen. Scientists noted that the thrips population increased in the spring and decreased dramatically during the summer. The researchers hypothesized that food abundance was the limiting factor for the population. Which of the following types of data would be most useful for the scientists to collect at regular intervals on a designated test plot of rose plants?
A) Amount of sunlight (hours/day) B) Mean temperature (oC) C) Density of rose pollen produced (g/m2) D) Amount of pollen produced by each flower (g/flower)