Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

IW15B Do.First

star
star
star
star
star
Posljednje ažuriranje over 5 years ago
9
1
1
1
1
1
1
1
1
1
Pitanje 1
1.

According to the video, what do silk, Dna, balloons, and silly putty all have in common?

Pitanje 2
2.

According to the video, polymers are large molecules...

Pitanje 3
3.

Accordign to the video, Poly means _______. Mono means ________. Mers means ________

Pitanje 4
4.

According to the video, many of the macromolecules we have in our body like DNA, complex carbohydrates, and proteins are polymers!!!

Pitanje 5
5.

Watch the video from 1.06s to 1.38s and then match the polymer to its monomer...

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Proteins are polymers of...

arrow_right_alt

simple sugars

Nucelic acids (like Dna) is a polymer of...

arrow_right_alt

amino acids

arrow_right_alt

nucleotides

Complex carbohydrate is a polymer of...

arrow_right_alt
Pitanje 6
6.

Watch the video from 1.50s t0 2:13s. According to the video, polymers made by addition reactions are produced...

Pitanje 7
7.

The first polymers were created by accident and most scientists threw them away because they thought they were useless

Pitanje 8
8.

The first plastic was named polyoxybenzylmethylenglycolanhydride. This was not a catchy name so they changed it to the name