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ACT Science 4-1 Summary II 172 Views


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Transcript

00:00

Hurry And here's your shmoop du jour Brought to you

00:05

by sg s page Once you see what you're dealing

00:08

with you'll just die Yeah we went there Die Get

00:12

it All right Well here's a passage about a technique

00:15

used to separate proteins They were fighting fussy and finally

00:19

we just said okay that's it all right More skimming

00:22

for continuing the skin Skip are we done skimming All

00:27

right So what was the primary purpose of using stds

00:30

Stage ok And hear the potential answers All right well

00:35

what do we think It sounds like we're being asked

00:37

why sd s page was used it all Thankfully that

00:39

was stated right there in the opening paragraph The opening

00:42

sentence even And of the four options option b is

00:46

nearly the exact same sentence Read it to separate the

00:50

proteins in the protein sample by size C this is

00:53

easy before we call it a day However it's always

00:56

wise to check the other answers and make sure they're

00:58

wrong Option a says sgs pages purpose was to separate

01:02

dna Well there's Nothing about dna mentioned at all in

01:05

the passage No dice there Option c says sgs page

01:08

was used to separate proteins by their charge i know

01:12

nothing about charge in there either frankly even suggest it

01:16

is well shocked Option d says sgs page was used

01:20

to identify known and unknown proteins by staining well while

01:24

standing Does occur is part of the s d s

01:25

page process That's not the purpose of using sdf page

01:29

like we tie dyeing protein By the way staining can

01:33

also be used to determine whether more house training is

01:35

necessary but no option b will be just fine Yeah