proteins Flashcards

1
Q

functions of proteins

A

muscles: movement, keratin( skin hair and nails) stability (ligaments, tendon)

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2
Q

our physical appearance is determined by

A

dna

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3
Q

connective tissue is also made of

A

proteins

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4
Q

proteins are enzymes that up the

A

rate of chemical reactions or RxNs

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5
Q

antibodies are

A

proteins that destroy viruses

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6
Q

albumin is a protein responsible for keeping water in our

A

blood vessels

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7
Q

nucleic acids are comprised of

A

nucleotides

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8
Q

dna, rna

A

deoxyribose, ribose nucleic acids

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9
Q

nucleotides are comprised of

A

phosphate, sugar, and nitrogen base

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10
Q

how many types of nitrogen bases are there?

A

5

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11
Q

ATCGU? Nitrogen bases

A

adenine, thymine (DNA only), cytosine, guanine, uracil (RNA only)

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12
Q

there are two types of sugar in a nucleotide that dictate what type of N. A it becomes they are:

A

deoxyribose or ribose

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13
Q

dna is different because the order of the nitrogen base in sequence. i.e p-s-t=a-s-p

A

true

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14
Q

dna is a double stranded structure

A

true

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15
Q

rna is a single strand structure

A

true

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16
Q

the study of cells

17
Q

extracellular fluid in between cells in tissue is called

A

intercellular fluid

18
Q

a cell can be broken down into 2 parts:

A

nucleus, cytoplasm

19
Q

organelles are tiny

20
Q

cytoplasm can be broken down into:

A

organelles and intracellular fluid

21
Q

1 example of an organelle is a cell membrane aka

A

plasma membrane or phospholipid bilayer

22
Q

a cell membrane is made of fats, proteins and

23
Q

FX of cell membrane

A

protection, in/out, cell recognition

24
Q

when thinking of cell membrane it can be thought of as the human….

25
in/out refers to intake of______ and secretion of___
nutrients and waste
26
methods a cell uses to transport in/out are:
diffusion, filtration, carrier mediated transport and bulk transport
27
proteins mediate intra/inter cellular fluid in a cell
true
28
in/out 2 ways passive and active an example of both would be:
diffusion (passive) bulk transport (active) requiring more energy
29
permeable definition:
the ease at which something comes in and out
30
freely permeable selectively permeable and impermeable are all types found in cell membrane
true
31
structure affecting function
true
32
cytoskeleton: protein fibersof various widths involved in producing cell:.......
shape, strength, structure and flexibility ( its the skeleton of the cell)
33
cilia:
moves materials from the surface of the cell