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BI 231 > Lecture 5 > Flashcards

Lecture 5 Flashcards

1
Q

Ribosomes

A

Build proteins during translation

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2
Q

Free Ribosomes

A

Proteins stay in cell (Cytosol/Cytoplasm)

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3
Q

Fixed Ribosomes

A

Secret made proteins (ER)

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4
Q

Smooth ER

A

Carbohydrates and lipids

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5
Q

Rough ER

A

Protein production

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6
Q

Golgi Apparatus

A

Receive vesicles from rough or smooth ER and repackage the proteins, carbohydrates, lipids.
Send out transport vesicles for secretion, membrane renewal, lysosome production (breakdown bacteria).

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7
Q

Cisternae

A

Part of golgi that stores the vesicles made in the ER

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8
Q

Chromatin

A

Loosely coiled DNA (cells not dividing)

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9
Q

Chromosomes

A

Tightly coiled DNA (cells dividing)

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10
Q

Gene

A

Instruction for one protein

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11
Q

mRNA

A

Messenger RNA, takes message to ribosome

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12
Q

Mitosis

A

Cell division (somatic cells, twice, genetically identical)

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13
Q

Cells are mostly in __________.

A

Interphase

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14
Q

Meiosis

A

Cell division (sex cells, four times, random halves of original DNA)

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15
Q

Protein production steps in ribosome

A

Ribosomes read mRNA, tRNA brings proper AAs from cytoplasm, protein made when sequence is done.

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16
Q

Interphase

A

Reading and transcribing (proteins)

17
Q

Cell Divison Comparisons

A

WBCs>Epithelial gut cells>Skins cells>Skeletal muscle cells>Neurons

18
Q

Cell Divison needed for

A

Growth and to replace dead/dying cells

19
Q

Metastasis

A

Spread of cancer to distant locations

BI 231 (7 decks)

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