Lecture 5 Flashcards Preview

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Flashcards in Lecture 5 Deck (37)
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0
Q

__________ are the smallest fibers which have two loosely twined protein chains.

A

Microfilaments

1
Q

Three types of cytoskeleton fibers are __________, __________ and __________

A

Microfilaments
Microtubules
Intermediate filaments

2
Q

__________ are medium sized and stable.

A

Intermediate filaments

3
Q

__________ are the largest fibers and they control the movement of cells and materials in cells.

A

Microtubules

4
Q

Cells “crawl” using __________.

A

Actin microfilaments

5
Q

Eukaryotic __________ and __________ have 9 + 2 microtubules (whip)

A

Flagella

Cilia

6
Q

The region surrounding a pair of __________ are Centrosomes.

A

Centrioles

7
Q

__________ are in most animal cells and Protists, not plants or fungi.

A

Centrosomes

8
Q

MTOC stands for __________.

A

Microtubule-organizing center

9
Q

Eukaryotic __________ exist in plants, fungi and many Protists.

A

Cell Walls

10
Q

Plants and Protists secrete __________.

A

Cellulose

11
Q

Fungi use __________.

A

Chitin

12
Q

Animal cells lack cell walls but have an __________.

A

Extracellular Matrix

13
Q

The ECM secretes a mixture of __________.

A

Glycoproteins

14
Q

__________ is a very common protein that is part of the ECM.

A

Collagen

15
Q

__________ link the ECM to cell’s cytoskeleton and influence cell behavior.

A

Integrins

16
Q

Cell-to-Cell interactions identify __________ and __________.

A

Glycolipids

MHC Proteins

17
Q

__________ are “self” vs “nonself” by immune system.

A

MHC Proteins

18
Q

___________ are the most tissue-specific cell surface markers.

A

Glycolipids

19
Q

Cells are connected by three types of junctions. They are…

A

Tight
Anchoring
Communicating

20
Q

__________ junctions are cytoskeletons of neighboring cells (desmosomes).

A

Anchoring

21
Q

__________ junctions are plasma membranes, sheet of cells-no leakage.

A

Tight

22
Q

__________ junctions are gap junctions and plasmodesmata.

A

Communicating

23
Q

Cell walls in plants are made of __________.

A

Cellulose

24
Q

__________ and __________ deal with energy processing.

A

Mitochondria

Chloroplasts

25
Q

Mitochondria are in all ___________.

A

Eukaryotes

26
Q

The inner membrane of mitochondria has __________.

A

Cristae

27
Q

There are proteins in the inner membrane of Mitochondria that deal with __________.

A

Oxidative Metabolism

28
Q

Mitochondria have their own __________.

A

Circular DNA

29
Q

__________ is the process by which one cell is engulfed by another.

A

Endosymbiosis

30
Q

__________ are found in plants (and some other eukaryotes).

A

Chloroplasts

31
Q

Chloroplasts use __________ for photosynthesis.

A

Chlorophyll

32
Q

Chloroplasts are surrounded by two __________.

A

Membranes

33
Q

__________ are sacs within the inner membrane of chloroplasts.

A

Thylakoids

34
Q

__________ are stacks if thylakoids.

A

Grana

35
Q

Mitochondria have their own __________.

A

Circular DNA

36
Q

MHC stands for…

A

Major Histocompatibility Complex