Nicotinamide adeninedinucleotide<span> (</span>NADH<span>).
I hope this helps</span>
Answer:
A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy in combustion. ... Fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.
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Explanation:
Answer:
a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
Explanation:
D.the particle is a cell becayse it does not make proteins and cannot reproduce by itself
The thymus becomes smaller with age as well as decreased immune system function.
The process of shrinking of the thymus is known as involution. This process occurs with any tissue that is not in frequent use. Before an individual reaches adulthood, the immune system has produced most of its T-cells. Therefore, new T-cells do not need to be produced, so the tissue of the thymus gland is replaced by adipose tissue.
