Biology B A-Level
Tube nucleus
What Tube nucleus means in Biology B A-Level, as defined for Pearson Edexcel.
Definition of Tube nucleus
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Reference: Pearson Edexcel
Controls pollen tube growth, directing secretion of hydrolytic enzymes that digest style tissue to reach the embryo sac.
Topics that use Tube nucleus
- Topic 2: Cells, Viruses and Reproduction of Living Things (Pearson Edexcel A-Level)
Related terms
- Cell theory
- Early embryonic development
- Embryo sac
- Generative nucleus
- Pollen grain
- Treatment and prevention of viral diseases
- Viral structure and classification
- Ethical implications of medical interventions
Using Tube nucleus in the exam
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