Answer:
Thyroxine is a hormone the thyroid gland secretes into the bloodstream. Once in the bloodstream, thyroxine travels to the organs, like the liver and kidneys.
Explanation:
Answer: The nucleolus works to transcribe ribosomal RNA (RNA) and it forms incomplete ribosomes by combining proteins and RNA. Other functions of this structure include transporting molecules, vital substances and ions to ensure efficient cell metabolism.
Explanation:
The nucleolus is the largest structure in the nucleus of eukaryotic cells, where it primarily serves as the site of ribosome synthesis and assembly. Nucleoli also have other important functions like assembly of signal recognition particles and playing a role in the cell's response to stress. Nucleoli are made of proteins and RNA and form around specific chromosomal regions.
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Answer:
E. bu cv+
Explanation:
Given, that bu+ and cv+ are dominant alleles whereas bu and cv are recessive alleles of the respective genes. In repulsion, the chromosome has one dominant and one recessive allele of the linked genes. According to it, if the German cockroach has bu+bu cv+cv genotype, it should be present in bu+cv/bucv+ arrangement. Thus the parental gametes from this genotype would be bu+cv and bucv+. Recombinant gametes will be bucv and bu+cv+.
Since parental gametes are produced more in number than recombinant gametes in linkage, bu+cv and bucv+ will be the most common gametes. Hence, out of the given options bucv+ set of genes will be present in the most common gametes produced by this cockroach.
Answer:
C
Explanation:
"Green Plants" Create their own food through photosynthesis