Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.
they cannot happen at the same time
The answer is the Ribosomes of mitochondria and plastids are very similar in their structure and function to bacterial ribosomes.Mitochondria, chloroplasts, and bacteria are alike in size. Bacteria also have DNA and ribosomes alike to those of mitochondria and chloroplasts. Based on this and other proof, experts ponder host cells and bacteria shaped endosymbiotic relationships precedent, when separate host cells took in oxygen-using and photosynthetic bacteria but did not put an end to them.
Answer:
insulin
Explanation:
the simple mould that grows on aging food is used to make insulin
First blank space is endocrine system and the second blank is hormones