Answer:
Genetic engineering has been applied in numerous fields including research, medicine, industrial biotechnology and agriculture. In research GMOs are used to study gene function and expression through loss of function, gain of function, tracking and expression experiments.
Explanation:
Answer:
They quickly become fatigued.
Explanation:
1. They use peristalsis to move substances through tubes - True
2. They form structures like blood vessels and the small intestine - True
3. They quickly become fatigued - False
4. They are connected by gap junctions - True
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