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BIOSCI 107 > Intro to cell/ harvest of energy > Flashcards

Intro to cell/ harvest of energy Flashcards

1
Q

Functions of Membrane Protein

A

Transport, cell to cell recognition, intercellular joining, signal transduction, attachment to Cytoskeleton and ECM, Enzymatic Activity

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2
Q

Chromatin

A

DNA with histones

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3
Q

Cytoskeleton component that is the smallest, and what it contains?

A

Microfilament, actin

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4
Q

Biggest cytoskeleton that consists cilia or flagella, chromosome movement?

A

Microtubules

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5
Q

cytoskeleton that changes cell shape and contracts muscle?

A

Microfilament

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6
Q

Pyruvate oxidation is pyruvate to ________________

A

Acetyl coA

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7
Q

Citric Acid product per 1 glucose

A

2ATP, 6NADH, 2FADH2, 4CO2

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8
Q

Glycolysis is Glucose to _________

A

Pyruvate

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9
Q

Oxidative phosphorylation is consisted of the two steps:

A

Electron transport chain and chemiosmosis

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10
Q

Place of ribosome subunit assemble

A

Nucleolus

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11
Q

Place of rRNA production

A

nucleolus

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12
Q

Cell specific organelle that creates steroids and houses protein

A

Smooth endoplasmic reticulum

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13
Q

Golgi apparatus vesicles

A

Transport vesicle, secretory vesicle, membrane vesicle

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14
Q

Lysosomes digest

A

Cell components(organelle), cell, substance that enter cell

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15
Q

Inner mitochondria membrane has cristae, what is the fluid that is contained in the cristae?

A

Matrix

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16
Q

microfilament function

A

Bear tension by attaching to plasma membrane proteins, promote amoeboid motility

17
Q

Microfilaments are found at:

A

the periphery and interior lining of cell

18
Q

microfilaments can be assembled and disassembled. They are :

A

dynamic

19
Q

Intermediate filaments are Keratin, its functions are:

A

Bear tension and weight by cell anchoring, acts as a cell scaffold for organelles(nucleus)

20
Q

Microtubules extend from :

A

centriole

21
Q

microtubule functions include:

A

support cell shape and size, guide for movement of organelles, chromosome organization, support and movement of cilia/flagella

22
Q

microtubule functions include:

A

support cell shape and size, guide for movement of organelles, chromosome organization, support and movement of cilia/flagella

23
Q

Most permanent cytoskeleton component is:

A

intermediate filament(keratin )

24
Q

Dynamic cytoskeleton filaments?

A

Microtubules and microfilament

25
Q

Glucose macromolecules to store for harder times ?

A

glycogen

26
Q

Glycogen catabolism reactions are stimulated by what enzyme :

A

glucagon

27
Q

glucose usage is stimulated by what enzyme?

A

insulin

28
Q

which Pancreas Alpha/ beta cells secrete insulin?

A

Beta cells

29
Q

Which step of cellular respiration happens in the cytosol? And does it require oxygen?

A

Glycolysis, and it does not need oxygen

30
Q

how many of each NADH and ATP molecules are produced in glycolysis?

A

2,2

31
Q

How many each of NADH and CO2 is produced by pyruvate oxidation?

A

2,2

32
Q

The production of ATP in glycolysis and Citric acid cycle is via

A

substrate phosphorylation

33
Q

Final electron acceptor in electron transport chain?

A

oxygen -> H2O

34
Q

The electron transport chain occurs at

A

proteins in the inner membrane

35
Q

Chemiosmosis produces how many ATP?

A

26 OR 28

36
Q

What controls cellular respiration which is inhibited by citrate and ATP?

A

phosphofructokinase

37
Q

what stimulates phosphofructokinase?

A

AMP

38
Q

what is phosphofructokinase?

A

a molecule that controls cellular respiration, substrate molecule that makes pyruvate, and can be inhibited by citrate and ATP produced later on.

39
Q

what promotes glucose uptake(ATP production or storage in liver)?

A

insulin

BIOSCI 107 (5 decks)

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