Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue. They are mainly

spread by insects in the families Cicadellidae (leaf hoppers),

Fulgoroidae (plant hoppers), and Psyllidae (jumping plant

lice). 

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#Unit 4. Cell Communication and Cell Signaling

Ligand binding depends on: 

Multiple weak, noncovalent forces

Molecular complementarity

TLS Online TPP Program

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#Unit 5. Developmental Biology

Numerous adult organs possess adult stem cells, which in most cases are multipotent.

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#Unit 7. System Physiology – Animal

Secretion of progesterone during the latter half of the cycle raises the body temperature about 0.5°F

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#Unit 7. System Physiology – Animal

TLS Online TPP Program

#Id: 8900

#Unit 2. Cellular Organization

The Aurora protein kinase family members Aurora A and Aurora B and their associated regulatory factors sense kinetochores that are not under tension and sever these microtubule attachments