Question

WILL MEDAL AND FAN
1.
Which best describes the shape of myoglobin, which in many ways is a typical protein?

a complex three-dimensional shape formed from many twisted helixes

a cylindrical shape that forms from a single twisted helix

a straight chain, like beads on a straight piece of string

a highly-branched chain, much like the branches of a maple tree
5.
Glucose and fructose are examples of which type of carbohydrate?

monosaccharides

disaccharides

polysaccharides

Answer 1

@Zarkon @Elsa213

Answer 2

@ganeshie8 @Zale101

Answer 3

@sweetburger @SnuggieLad

Answer 4

9.
Which best describes nucleic acids?

large nitrogen-containing polymers found mainly in cell nuclei

bases that pair together in a long double helix

compounds with both carboxyl and amino functional groups
11.
When a molecule of glucose is completely oxidized, its six carbon atoms are changed into _____.

six molecules of methane

six molecules of carbon dioxide

two molecules of pyruvate ions

three molecules of acetate ions

Answer 5

12.
Which organisms can digest cellulose?

all animals that eat other animals

all plant-eating animals

most animals, including humans

only a few kinds of microorganisms

14.
In which way are a prokaryotic cell and a eukaryotic cell alike?

Both carry out similar chemical processes.

Both contain membrane-enclosed organelles.

Both have a cell nucleus.

Both are of similar size.

15.
What is a protein?

a polymer of simple sugars and amino acids

a polypeptide with simple sugars incorporated into the molecule

a polypeptide with between 10 and 100 amino acids

a polypeptide with more than 100 amino acids

Answer 6

19.
When two amino acids join together with a peptide bond, what other compound is produced?

ammonia

water

a simple sugar

carbon dioxide

20.
Why do A and T (and G and C) pair in a DNA double helix?

Hydrogen bonds form between them.

Ionic interactions are thus maximized.

Covalent bonds form between them.

Van der Waals forces are thus maximized.

25.
Which set of reactions in an organism serve to produce ATP?

both catabolic and anabolic reactions

catabolic reactions

anabolic reactions

reactions that release oxygen

26.
In the genetic code, 61 of the 64 possible three-letter words signify an amino acid. What do the other three words signify?

the addition of sulfur to an amino acid

the termination, or ending, of a peptide

a simple sugar to be added to the peptide

the three-dimensional structure of the peptide

27.
Starch is _____.

a polysaccharide

an amine

a protein

a polyester

Answer 7

idk 1 sorry :/
5. polysaccharides
9. large nitrogen-containing polymers found mainly in cell nuclei
11. six molecules of carbon dioxide
idk 12 sorry :/

Answer 8

14. Both have a cell nucleus.
15. https://en.wikipedia.org/wiki/Protein
19. water
20. Hydrogen bonds form between them.
idk 25..
26. The termination, or ending of a peptide
sorry if any of these are wrong..

Answer 9

@SnuggieLad do you know any of this??

Answer 10

@robtobey @welshfella

Answer 11

@Photon336

Answer 12

@goalieboy @KendrickLamar2014

Answer 13

@YoungStudier @Loser66 @Liv1234

Answer 14

@Mertsj

Answer 15

it's site policy to keep your post focused on one question. Posting multiple questions simultaneously creates a confusing environment for discussion.

Answer 16

@itsbribro do you know the last one about starches??

Answer 17

a polysaccharide or polyester idk for sure

Answer 18

Alright! Thank you so much! @itsbribro

Answer 19

you're welcome :)

Answer 20

@itsbribro I PASSED YAY!!

Answer 21

yayyy!!! i deserve many medals lol

Answer 22

but great job :)