how many chromosomes does a human have in each body cell?

small circular loops of DNA found free in the cytoplasm and separate from the main DNA

nucleus,cytoplasm,cell membrane,mitochondria and ribosomes 

list all the components of both plant and animal cells..

chloroplast,permanent vacuole and cell wall

list three additional cell components found in plant cells..

provides strength and prevents the celll bursting when water enters by osmosis 

long axon-allows electrical impulses to be transmitted all over the body. myelin sheath-insulates axon and speeds up the transmission of impulses. Dendrites- connect to receive impulses from other nerve cells,muscles and glands.

describe how nerve cells(in animals) are adapted to their function..

large surface area to absorb nutrients and water from surrounding soil and Thin walls that don’t restrict water absorption 

how are root hair cells adapted to their function?

what is the process of cell differentiation?

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cell structure flash card

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cell structure flash card

Flashcards

Higher Human Biology - Unit 1.1 key terms

AP Bio Notes

AP Bio unit 3 notes

Urban Issues and Challenges Key Words

AP Bio Unit 2

A&P Chapter 1 Study Guide