Mitochondrion a singular word for mitochondria is a "powerhouse" organelle of the cell.
<span>Mitochondrion
is an important organelle in most living organisms because it is where
biochemical processes of living organisms such as respiration takes
place. The mitochondrion has a smooth outer membrane but a larger inner
membrane. The inner membrane is about 70% protein and is very convoluted
because that can even fit inside the outer membrane. Mitochondrion is
the carrier of the Kreb's cycle in the matrix and it is responsible for
the transfer of electron chain found in the cristae of the inner
membrane.</span>
Monocots only have one cotyledon (vein) dicots have two
<span>A low level of TSH is indicative of hyperthyroidism. This is a medical condition in which the thyroid gland secrets or produces an excess of hormones resulting in an imbalance. This condition if left untreated can cause many undesirable effects such as muscle weakness, low quality of sleep etc.</span>
Jack. A signpost is a non-living thing and non living things do not grow. Sam is an adult and he has stopped growing already. Jack is a child and will continue growing the next few years.
I would say that answer choice C is the best out of this selection. Carbon is the main element in organic compounds, and organic compounds just so happen to make up the cells that carry out life processes for all living things. Hope this helps.