Answer:
It lacks a cytochrome oxidase for passing electrons to oxygen.
Explanation:
During aerobic respiration, the NADH and FADH2 formed during glycolysis and Kreb's cycle are oxidized through the electron transport chain. NADH and FADH2 pass their electrons to the molecular oxygen via four complexes electron transport chain. Cytochrome oxidase is also called a complex IV of the electron transport chain. It serves to carry the electrons from cytochrome c to molecular oxygen, reducing it to H2O.
In the absence of cytochrome oxidase, electrons from NADH and FADH2 will not be passed to the molecular oxygen. Oxidation of NADH and FADH2 is required to continue glycolysis and Kreb's cycle. Therefore, in the absence of cytochrome oxidase, the cells will perform anaerobic respiration to oxidize NADH into NAD+ so that glycolysis can be continued as a source of energy.
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It allows them to move smoothly, without getting entangled or broken
Sperms and eggs are haploid and result in the formation of a diploid zygote. Also, sperm can travel to the egg. So only Sperm can fertilize an egg.
<h3>What is the fertilization of an egg? </h3>
The fertilization of the egg results when the sperm from a male partner travels to the egg of the female partner.
The sperms are produced in the male reproductive system by the testis. They are ejaculated in the vagina of the female reproductive system.
They travel from the vagina to the fallopian tube. In the fallopian tube, the egg reaches which is produced by the ovaries. Then, the sperm and the egg meet at the fallopian tube and the egg is fertilized.
Therefore, sperm is able to travel to the egg for fertilization.
Read more about fertilization, here
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