Answer:
When comparing the thickness of the heart's ventricles, the left one is thicker than the right one, because it must generate more pressure to pump blood throughout the body.
Explanation:
In the human heart, the right ventricle is in charge of pumping the blood to the lungs —initiating the minor circuit of the circulation— while the left ventricle is in charge of pumping the blood to the whole body.
To fulfill its function, each ventricle has a specific thickness in its walls, the left one being thicker than the right one.
- <em>The </em><em>right ventricle</em><em> is a chamber that handles more volume than pressure, and its walls are thinner because it does not require much pressure to pump the blood to the lungs.
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- <em>The </em><em>left ventricle has a thicker muscular wall </em><em>because it is a chamber that must generate a high pumping pressure, so its contraction force must be greater.
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The structure of the myocardium in the heart is what allows each chamber to fulfill its function adequately.
Answer:
Phosphorylation
Methylation
Explanation:
Histone mobilization deals with the covalent bonding of several functional groups to the free nitrogens in the R-groups of lysine in the N-terminal tail.
DNA transcription can be controlled or altered via 'methylation' on the histones. Methylation is the mode of transferring methyl group to amino group of histone proteins that form the nucleosomes, which result to chromosomes formation through wrapping of DNA double helix around it. Histones methylation can either increase or decrease genes transcription. Chromatin modification is known to stimulate neural pathways that are essential for long memories and learning.
Histones phosphorylation is associated transcriptional activation. It deals with the transfer of phosphate group to amino acids of the proteins. Phosphate group known to be negatively charged, when transferred to amino acids of the histone proteins, it creates a repulsive force with the negatively charged phosphates of the DNA backbone. It can occur in serine, tyrosine and threonine. The enzymes kinases activate phosphorylation, while protein phosphatases remove phosphate groups.
Answer:
ther is more sun
Explanation:
photosynthesis is fueled by the sunlight contrary to respiration which is not fueled by the sunlight
Answer:
i think its A. i could be wrong im 60% sure im right
Explanation:
