Ignore this I just need to answers questions to be able to ask questions
Answer:
The relationship between these three molecules is: mRNA is complementary to the template DNA and is responsible for regulating which amino acids are required for the formation of a given protein.
Explanation:
Messenger RNA (mRNA) has the function of guiding the synthesis of proteins, structures whose central role in all living beings is the manifestation of the inherited characteristics contained in DNA. This protein synthesis is driven by mRNA regulation that indicates the amount of amino acids required for synthesis. MRNA is synthesized from a DNA template strand, complementary to template DNA, and free ribonucleotides through the process of gene transcription. The segments of the template DNA for mRNA synthesis are located on several cell chromosomes, most often separated by long segments of noncoding DNA.
B) can be destroyed by variations in temperature or pH
This is because a change in the temperature or pH changes the shape of the active site of the enzyme so the substrate can no longer bind to the active site. The enzyme has become denatured.
Answer:
The final product is four gametes, two of them with 5 chromosomes, and the other two with 3 chromosomes each.
Explanation:
If nondisjunction occurs during meiosis 1, a pair of homologous chromosomes fail to separate, and one of the daughter cells will have the two chromosomes while the other cell will not get any chromosome from the pair.
If meiosis 1 occurs normally, but nondisjunction occurs in meiosis 2, sister chromatids fail to separate.
The usual process of meiosis produces four daughter haploid cells (n) from a diploid germ cell (2n). Each daughter cell is haploid because they have half the number of chromosomes of the original one.
If the diploid number of the original cell is 8 (2n=8), then under normal conditions, each haploid daughter cell should have 4 chromosomes (n = 4).
But in the exposed example, one pair of homologous chromosomes experiences nondisjunction during meiosis I (in the attached file, you will recognize this pair as the red one). The other chromosomes separate as usual. So one of the daughter cells will have one extra chromosome than expected (five instead of four), and the other daughter cell will lack one chromosome (three instead of four). Meiosis II occurs normally. The final result is the formation of four gametes, two of them with 5 chromosomes, and the other two with 3 chromosomes each.