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Chemistry 19 Online
iosangel:

Based on the results in the chart above, which macromolecule is present in the potato solution? Question 11 options: carbohydrates no macromolecules are present proteins nucleic acids all macromolecules are present lipids

iosangel:

1 attachment
TheSmartOne:

Potatoes have a lot of carbohydrates Egg whites have proteins What do you think the unknown has?

iosangel:

unknown?

TheSmartOne:

Oh oops. I didn't even read the question and thought it was asking about the unknown

TheSmartOne:

The iodine test tests for starch Is the result for potato positive or negative?

iosangel:

positive?

TheSmartOne:

Yeah, it should be simple. Also the water is a control so that's how you can also figure it out if you don't remember which color is which. If you're confused about the lingo, when we say the iodine test is positive that means the test indicates the presence of starch

TheSmartOne:

Which macromolecules is starch made of?

iosangel:

I dont know

iosangel:

lipid or nucleic acid?

TheSmartOne:

Uhhhhhhhh

TheSmartOne:

Starch is made of polysaccharides What do you think that is? Carbohydrates? Lipids? nucleic acids?

iosangel:

lipid?

TheSmartOne:

Polysaccharides are made up of monosaccharides which is basically sugar Lipids are fat

iosangel:

idk

TheSmartOne:

Which of those options is a sugar Do some googling bruh

iosangel:

k

TheSmartOne:

Otherwise it's basically like I'm giving you the answer and you'll not learn it. If you want some more clarification, I'll be happy to do that

iosangel:

its Carbohydrates

iosangel:

i think

TheSmartOne:

Bingo. It's literally the first thing I said in this post which is why it baffled me when I literally gave away the answer

iosangel:

yea thanks

TheSmartOne:

No problem

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