BIO 220 Exam 1 Notes PDF

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BIO 220 Exam 1 Notes Cell and Organelles The cytoskeleton: •

Maintains cell shape, and provides support and anchor points for organelles.

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Provides the mechanisms for cell (flagellae and pseudopodia) and organism movement (eg. muscle contraction).

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Provides tracks for motor proteins that move materials and organelles within cells.

There are three major types of cytoskeletal components: •

Microfilaments

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Intermediate filaments

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Microtubules

     

Centrosomes are important for cell division (mitosis) in animal cells. They are made from microtubules Microtubules are structural components of cilia and flagella. Cilia and flagella are covered by the cell’s plasma membrane. Flagella are usually longer than cilia, and cells that have them usually only have one or two. Cilia are usually present in great numbers.

Study Plan 1) 2) 3) 4) 5) 6)

Watch lectures that you missed. Read textbook and take notes on corresponding notes. Note if you can explain every picture on the slides Go over exam questions. Go over SI sheets, past lecture quizzes, and final SI review. Go over quizlet flashcards.

1.30.19 -watch both lectures u missed 1.31.19...