Term
What does Fimbriae do for bacteria? |
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Definition
adhere to each other and to surfaces |
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Term
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Definition
transfer of genetic material (Bacteria sex) |
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Term
Why is Pili beneficial to a bacterial colony? |
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Definition
It can conjugate it's DNA with the same or different bacteria giving it's genetic traits to the other bacteria. |
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Term
Function of the Cell Wall |
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Definition
Maintain Shape, rupture prevention |
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Term
Why is the Cell Wall an important target to antibiotics? |
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Definition
Clinically, it contributes to the ability of some species to cause disease. |
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Term
Bacterial cell wall is composed of... |
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Definition
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Term
Penicillin prevents what from being formed? |
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Definition
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Definition
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Why doesn't purple dye wash out of Gram positive cells? |
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Definition
because of the thick cell wall |
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Term
Why do Gram negative cells dye pink? |
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Definition
Alcohol dissolves the thin cell wall so purple washes away. |
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Term
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Definition
regulate movement of cations in and out of the cell & wall integrity; only found in Gram+ bacteria |
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Term
Bacteria cell outer membrane |
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Definition
immune system evasion, barrier, admits nutrients through porins |
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Term
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Definition
among prokaryotes-very thin or no cell wall |
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Term
Does archaea have peptidoglycan? |
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Definition
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Term
Plasma membrane function and composition. |
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Definition
Encloses cytoplasm Prokaryotes- formed from phospholipids Eukaryotes- formed from sterols and carbohydrates |
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Term
Most important function of the cell membrane. |
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Definition
Selectively lets material in and out of the cell. nutrients in, waste out |
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Term
Plasma membranes of bacteria contain enzymes capable of catalyzing the chemical reactions that break down nutrients and produce ______. |
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Definition
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Term
Simple diffusion-why do particles move to areas of lower concentration |
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Definition
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Term
How do bacteria survive in hypertonic solutions. |
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Definition
They have rigid cell walls |
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Term
How do halophilic cells survive in hypotonic solutions. |
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Definition
They fill themselves with molecules to increase the amount of solute inside the cell, thereby bringing themselves closer to equilibrium |
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Term
How do small ions passively get through a selectively permeable membrane? |
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Definition
Facilitated diffusion by using transporter proteins. |
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Term
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Definition
carries all the information required for the cell's structures and functions. |
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Term
Plasmids (bonus genes) are only found in |
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Definition
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Term
All eukaryotic and prokaryotic cells contain ribosomes. which function as the sites of _____. |
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Definition
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Term
How do Prokaryotic ribosomes differ from eukaryotic ribosomes. |
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Definition
The number of proteins and rRNA molecules they contain; they are also somewhat smaller and less dense than ribosomes of eukaryotic cells. |
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Term
How can some prokaryotic cells survive without nutrients for so long? |
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Definition
They form endospores which allow the cell to remain dormant. |
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Term
Prokaryotic reserve deposits |
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Definition
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Term
Magnetesomes allow the cell to. |
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Definition
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Term
Gas vacuoles allow the cell to |
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Definition
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Term
Mitochondria creates _______ and makes__________ |
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Definition
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Term
Do mitochondrion and chloroplasts have their own DNA and rRNA that is seperate from that of the cell? |
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Definition
Yes, but they cannot live without the cell |
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Term
This cell Has no nucleus. |
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Definition
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Term
This cell Usually has a cell wall? |
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Definition
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Term
This cell's Sexual recombination involves meiosis? |
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Definition
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