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Oliga [24]
3 years ago
12

Which of the following would provide the best assessment of the parent material of the soil

Biology
2 answers:
liraira [26]3 years ago
4 0

Answer:

la respuesta es -B horizon.

yaroslaw [1]3 years ago
3 0

Answer:

The correct answer is B

Explanation:

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The expression of a gene is said to be ‘turned on’ when certain signals interact with the promoter of a gene and RNA is prod
marusya05 [52]

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Explanation:

the process of transcription is defined as a process by which cells are able to allow for expression of their genes. this involves how DNA is read and written into RNA (mainly messenger RNA). mRNA production then guides the synthesis of various proteins. the process of transcription occurs in three stages which include initiation, elongation and termination. when certain signals interact with the promoter of a gene, transcription is initiated allowing for some regions of the DNA to be transcribed in the 5 to 3' direction. such that the newly synthesized strand of mRNA is complementary to the non coding sequence. Controlling the production of mRNA in the nucleus allows the regulation of gene expression.

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List some ways a DNA strand is similar to a ladder
ruslelena [56]
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Since we only have one strand shown, I'm going to assume it is RNA. Both DNA and RNA have nucleic acids, but RNA has 1 different nucleic acid; it replaces Thymine with Uracil. So the 4 nucleic acids are uracil, adenine, guanine, and cytosine.

If the picture shown is a cross-section of DNA, then our 4 nucleic acids are adenine, thymine, guanine, and cytosine.

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