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MCQ 1.1 > Cells > Flashcards

Cells Flashcards

1
Q

What are carbohydrates

A

Energy (immediate and stored) membrane components

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2
Q

What are lipids

A

Membrane, energy storage and messengers

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3
Q

What are nuclei acids

A

Contain a cells genetic information

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4
Q

What are proteins

A

Enzymes, messengers and structural components

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5
Q

What are the 2 forms of genetic information

A

DNA and RNA

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6
Q

What happens in ribosomes

A

Protein synthesising machinery

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7
Q

What does the phospholipid bilayer do

A

Separates cellular contents from the external environment

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8
Q

What do mitochondria do

A

Energy production ATP

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9
Q

What is special about mitochondria

A

They contain their own DNA and are found in high energy demanding organs

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10
Q

Name the microtubules in the cytoskeleton

A

Tubulin

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11
Q

Name the filaments in the cytoskeleton

A

Actin

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12
Q

Name the 5 intermediate filaments in the cytoskeleton

A

Neurofilaments
Desmin filaments
Keratin
Vimentin
Lamins

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13
Q

How is protein created in eukaryotic cells

A

DNA replication - transcription - RNA - translation - Protein sent out to the golgi and transported in the vesicles out through the cell membrane

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14
Q

What are the 4 main functions of the endoplasmic reticulum

A

Protein synthesis and folding
Quality control - mis folded proteins can be rejected and sent to be destroyed
Lipid synthesis
Detoxification

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15
Q

What are the 3 main functions of the Golgi apparatus

A

Protein modification
Macromolecule manufacture
Labelled and sent to other destinations in or out of the cell

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16
Q

What are the 4 stages lysosome takes in cellular housekeeping

A

Envelopment
Sealing
Merging with lysosome
Resulting residual body

17
Q

What are the 5 stages in order of the journey of protein

A

Nucleus and nuclear envelope
Endoplasmic reticulum
Vesicles
Golgi apparatus
Lysosomes/proteasomes/endososmes

18
Q

What are proteins made of

A

Amino acids

19
Q

What are peptides

A

The amino acids which are arranged into strings by transfer RNA and ribosomes

20
Q

What are the 3 membrane bound organelles within a eukaryote cell

A

Mitochondria
Endoplasmic reticulum
Vesicles and vacuoles

21
Q

What is the function of a prokaryotic cell

A

Reproduction
Respiration
Digestion and other biological processes

22
Q

What is the function of a eukaryotic cell

A

Produce food and energy in the form of ATP
Maintain homeostasis

23
Q

What is the function of the nucleus

A

DNA storage

24
Q

What is the function of the mitochondrion

A

Energy production

25
Q

What is the function of the smooth endoplasmic reticulum

A

Lipid production
Detoxification

26
Q

What is the function of the rough endoplasmic reticulum

A

Protein production in particular for the export out of the cell

27
Q

What is the function of the Golgi apparatus

A

Protein modification and export

28
Q

What is the function of the peroxisome

A

Lipid destruction contains oxidative enzymes

29
Q

What is the function of the lysosomes

A

Protein destruction

30
Q

What is the function of vesicles

A

Transport

31
Q

What type of squamous is the oral epithelium composed of

A

Stratified squamous

MCQ 1.1 (43 decks)

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