Answer:
B. Gametophytes of seedless vascular plants
Keratin
Protecting the skin is one of its main responsibilities as a protein in epidermis.
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Answer:
DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus.
Explanation:
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The nervous system consists of two major parts: the central nervous system and the peripheral nervous system.
Explanation:
In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.