Organelles Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

. What is the nucleus?

A

The control center of the cell and the largest and most organized part of the Cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What kind of Er does the nucleus have?

A

Rough Er

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the nucleus surrounded by?

A

Double membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does the nuclear pores control?

A

What leaves and enters the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the chromatin?

A

A complex of DNA and proteins that make up chromosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where are the ribosomal subunits formed?

A

The nucleolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the ribosomal subunits?

A

rRNA and proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Where is ribosomes assembled?

A

The nucleolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the function of ribosomes? (1)

A

Protein building

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the distribution of ribosomes?

A

Free in cystosol and bound attached to rough Er

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the difference between smooth Er and rough er?

A

Smooth has no ribosomes on surface while rough does

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the functions of rough er? (Similar to Golgi apparatus) and sweat

A

Packages proteins for secretion, sends transport vesicles to Golgi and makes replacement membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the functions of smooth er?

A

Synthesizes lipids, metabolization of carbs, detox of drugs and poisons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the structures of the Golgi apparatus?

A

Cis face and trans face

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the differences between the cis face and the trans face of the Golgi apparatus?

A

The cis face receives vesicles from the Er while in the trans face, the vesicles bud off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the functions of the Golgi apparatus? ( vesicles and proteins)

A

Modify, sort and concentrate proteins, pack proteins in vesicles and have vesicles deliver contents to outside of the cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are vesicles containing digestive enzymes called?

A

Lysosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the ph of lysosomes?

A

4.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What kinds of cells don’t usually have lysosomes?

A

Plant cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the functions of lysosomes? (Destruction)

A

To destroy and recycle nonfunctional organelles, foreign particles and unneeded structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are the causes of the fatal lysosome diseases?

A

Digestive enzyme in lysosome not working correctly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What’s an an example of a lysosome-related disease?

A

Tay -Sach’s disease

23
Q

What do cells have to do for proper functioning?

A

Cells have to die of on cue

24
Q

What are the functions of peroxisomes? (Rehab and weight loss)

A

Breaks down fatty acids to sugar, detoxifies alcohol and other poisons., produces peroxide

25
Q

Where is peroxide found?

A

In the catalase, oxidase and other metabolic enzymes in both plants and animals

26
Q

What is the structure of the mitochondrion?. (Mm)

A

Two layers of membrane and the matrix

27
Q

What does the matrix of mitochondrion contain? (Matrrez)

A

Enzymes, mitochondrial ribosomes, RNA and DNA

28
Q

What is the function of mitochondria? (Breath)

A

ATP production for cellular respiration

29
Q

How is the metabolic aerobic activity correlated with mitochondria?

A

The more activity, the more mitochondria is produced

30
Q

What is the structure of chloroplasts? (DTF)

A

Double membrane , stroma and thylakoid

31
Q

What does the thy lakoid contain?

A

Membranous sacks containing chlorophyll arranged in sacks called grana

32
Q

What is the space between the inner membrane and thylakoid, filled with protein rich alkaline fluid called?

A

Stroma

33
Q

What two organelles are not part of the endo membrane system, grow and reproduce semi-automously, have their own ribosomes and have their own circular chromosomes?

A

Mitochondria and chloroplasts

34
Q

What is the endosymbiosis theory?

A

That mitochondria and chloroplasts were once free- living bacteria, engulfed by ancestral eukaryote

35
Q

What is an endosymbiont Cell?

A

A cell that lives within another cell

36
Q

What is the structure for a vacuole? (1)

A

A large membrane sac

37
Q

What is the function of vacuole in plants? (store)

A

Water nutrients, waste, pigments and toxin are stored here.

38
Q

What is the function of contractile vacuole in protists?

A

Eliminates excess water

39
Q

What is the function of food vacuole in protists?

A

Breaks down food

40
Q

What is the function of cytoskeleton (cell)

A

Cell movement, change of Cell shape and cell division

41
Q

What part of cytoskeleton is responsible for cell movement?

A

Ameboid movement

42
Q

What part of cytoplasm is responsible for change in cell shape?

A

Microvillus

43
Q

What part of cytoskeleton is responsible for cell division?

A

Contractile ring

44
Q

What motion does flagella have?

A

Snake-like movement in same direction of flagellum

45
Q

What type of movement does cilia have?

A

Back and forth movement perpendicular to axis of cilium

46
Q

What is the structure of muscles?

A

Long hard and rectangular filled with protein fibers that slide past eachother as the heart beats

47
Q

What is the structure of fat cells? (Blugh)

A

Rounded and globular

48
Q

What are the functions of fat cells?

A

Storage of lipids,

49
Q

What do fat cells consist of?

A

Plasma membrane, nucleus and fat droplets

50
Q

What kind of Er does the animal pancreatic cell contain large amounts of?

A

Rough Er

51
Q

What kind of Er does rat testis cell have?

A

Smooth Er

52
Q

What organelles aren’t found in animal cells?

A

Chloroplasts, central vacuole, Cell wall andplasmodesta

53
Q

What organelles aren’t found in plant cells?

A

Lysosomes, centrioles, and flagella (in some plant sperm)