If four cells went through mitosis at the same time how many daughter cells would be formed?
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Answer:
In the animal cell the organelles that is labelled G is mitochondria.
Explanation:
Mitochondria are the membrane bound organelles with inner membranes folded inside which can form finger like structures called cristae. There numbers are more in the cell. They are basically responsible for the production of the energy, hence called as the power house of the cell. They also perform the cellular respiration, which means it takes the nutrients from the cell breaks it and makes energy from it. This energy is used by the cell to carry out various life processes.
Hi!
Hypothesis:
<em>Proteins are built from the translation of messenger RNA (mRNA) molecules</em>
RNA, or ribonucleic acid, is a structure that is similar to DNA, except that it exists as a single strand, consists of a ribose sugar instead of a deoxyribose sugar and has the base uracil (U) instead of thyamine (T).
<h3><u>From DNA to RNA</u></h3>
RNA is generated through transcription of the DNA molecule, resulting in a <em>complementary </em>molecule of the template DNA strand. For instance, if the sequence of the DNA was:
ATGCGCAGTTATTGCGAT
The corresponding RNA sequence will be:
UACGCGUCAAUAACGCUA <em>(complementary with U instead of T)</em>
<h3><u>From RNA to Protein</u></h3>
The RNA molecule in our case is known as the mRNA. After transcription the mRNA molecule is transported to the cytoplasm, where a ribosome binds to it for another molecule to translate the sequence. This translation is mediated by an RNA molecule known as the tRNA molecule which enters the ribosome to catalyze the reaction.
These molecules identify a sequence of 3 bases (codon) and for specific codon sequences, the tRNA allocates specific amino acid. For instance, for the codon <em>UCA</em>, the tRNA will allocate a <em>Serine residue.</em>
This translation process starts at specific three base sequences, known as start codons, and terminates at specific three base sequences known as stop codons.
In this manner, a sequence of amino acids respective to the mRNA codon sequence is synthesized, and as we identify proteins as chains of amino acids that are covalently linked together through peptide bonds, we can clearly see that proteins are built directly from RNA, and indirectly from DNA.
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