Genetic alteration refers to altering DNA sequence. Gene alteration forms genetically modified products that modifies the gene sequence. DNA consist of two long chains of nucleotides that are twisted and joined together in hydrogen bonds. These DNA cannot be altered in nature but gene expression can be altered.
The relationship between the structure and function of the nucleusis that the nucleus is an enclosed organelle and is large enough tohold the DNA. This is important because the nucleus must hold andprotect the cells DNA.
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The Cornea
Explanation:
The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air. The cornea is the fastest healing tissue in the human body, thus, most corneal abrasions will heal within 24-36 hours.
Answer:
Many scientists agree that the average temperature on Earth is increasing. What does this mean for the water cycle? Rising temperatures mean an increase in evaporation. This leads to an increase in condensation in the atmosphere.
Explanation:
