CSET Biology-Life Science 120, 124 (XAM CSET) by Xamonline

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Extra resources for CSET Biology-Life Science 120, 124 (XAM CSET)

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It is a shortlived solution because after insertion the target cells must remain functional and the cells containing the therapeutic DNA must be long-lived and stable. Patients presently have to undergo multiple rounds of gene therapy, an exhaustive and expensive prospect. In addition, there is always the risk for an inflammatory response. Anytime a foreign object is introduced into human tissues, the immune system will attack the invader, even if the invader’s intention is helpful. BIOLOGY 46 TEACHER CERTIFICATION STUDY GUIDE Genetic engineering has drastically advanced the area of biotechnology.

The peripheral nervous system (PNS) consists of the nerves that connect the CNS to the rest of the body. The sensory division brings information to the CNS from sensory receptors and the motor division sends signals from the CNS to effector cells. The motor division consists of the somatic nervous system and the autonomic nervous system. The somatic nervous system is controlled consciously in response to external stimuli. The large muscles of the body are controlled by the somatic nervous system.

The reflex is an unconscious, automatic response. The central nervous system controls and responds to the various senses – seeing, hearing, smelling, tasting and feeling. The peripheral nervous system (PNS) consists of the nerves that connect the CNS to the rest of the body. The sensory division brings information to the CNS from sensory receptors and the motor division sends signals from the CNS to effector cells. The motor division consists of the somatic nervous system and the autonomic nervous system.

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