An organic compound consists of carbon...
Answer:
When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. It is obviously another source of genetic variation in offspring.
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Answer:
Elbow
Explanation:
Muscle works in pairs and groups e.g biceps flexes the elbow and triceps extend it and it is called antagonistic muscle action.
The working muscle is called the primer mover or agonist. The relaxing muscle by another muscle is called synergists.
When muscles cause a limb to move through the joint range of motion,it could be synergists or antagonists.
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Red Blood Cell: Binds and carries Oxygen
White Blood cell: Fights pathogens that can cause sickness
Platelet: Helps in the healing of cuts and wounds
Plasma: Contains the liquid portion of blood
