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Flashcards in Chapter 3 Deck (112)
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32

The cristae are structures found within what organelle?

Mitochondrion

33

The centromeres divide during what stage of mitosis?

Anaphase

34

A ribosome is an example of a what?

An organelle

35

What contains enzymes that are used to degrade foreign particles as well as cell structures?

Lysosomes

36

Which of the following does not belong with the others? Diffusion, osmosis, active transport, passive transport.

Active transport (it requires energy)

37

What contains enzymes that are associated with protein sythesis?

Ribosomes

38

Chromosomes are aligned along the equatorial line during which stage of division?

Metaphase

39

What processes of a cell move in wavelike patterns and are each attached to a basal body?

Cilia

40

Nuclear pores are only used for what kind of transport?

Nuclear to cytosol transport (and vice versa)

41

The movement of a salt through a membrane, such as in a kidney, because of pressure differences is called what?

Filtration

42

In active transport, energy is consumed by the cell membrane in the form of what?

ATP

43

The nucleolus functions mainly in the synthesis of what?

RNA

44

The following with increase the rate of diffusion except which factor? Increased temperature, increased concentration, increased molecular weight, shorter distances.

Increased molecular weight

45

A cell membrane allows only needed substances to pass and is therefore called what?

Selective

46

The rate of diffusion of a molecule is faster in areas of what?

Higher concentration

47

The inside lining of the digestive tract is lined with cells that are held together by what kind of junctions?

Tight junctions

48

What provides both structural support and the enzymes needed to make proteins from amino acid building blocks?

Ribosomes

49

What contains enzymes that oxidize alcohol and attempt to convert it into forms that can be eliminated from the body?

Peroxysomes

50

The structures that cause fluids and mucus to move across their surface are the what?

Cilia

51

Catalase is an enzyme, which degrades what?

Hydrogen peroxide

52

What contains catabolic enzymes?

Lysosomes

53

Which channel-bocker medication can be used to treat hypertensin or angina pectoris?

Calcium

54

At which stages does the chromosome number double?

Interphase

55

Movement of molecules from low to high concentrations is called what?

Active transport

56

What type of cell is a bacterium?

Prokaryotic

57

As a result of mitosis, the number of chromosomes is what?

Doubled

58

What term can be used to imply all of the chemical reactions within a cell?

Metabolism

59

Tight junctions are a type of intercellular junction that do what?

Hold together certain cells

60

By which process does a glucose molecule move through a cell membrane protein carrier from a region of greater concentration to one of lower concentration?

Facilited diffusion

61

What functions to package molecules into vesicles that can be transported out of a cell?

Golgi aparatus