please i need help with this qustions answer the multiple choice that is all and

Question

please i need help with this qustions answer the multiple choice that is all and be clear not writes un clear stuff just asnswer the qustions please

and for the select all the apply qustions please tell me wich one are the correct without explaning becuse this is important for my homewok so please i need help with this qustions

Question 1

Roles of fats include: (select all that apply)

Question 12

Lizards store fat in their ___________ and mammals store fat ______________.

Question 13

A phospholipid molecule has how many fatty acid chains? Write a single number as the answer as a number. Do not use letters.

Question 14

Which "side" of a phospholipid will face the aqueous environment inside and outside of the cell?

Question 15

Fatty acid tails are

Question 16

Steroids can be recognized because they have

Question 17

Which of the follow is NOT a major role of proteins?

Question 18

Hair is made of keratin and keratin is a protein.

Question 19

In the molecule shown below, the functional group to the left of the letter A is?

Question 20

The bond shown at C is called a?

Explanation / Answer

1.insulation against the cold in many mammals

long term energy storage in animals

insulation against cold in plants

lubricants in animals

12. tails/subcutaneously

13. 2

14. phosphate head

15. hydrophobic

16. 4 fused carbon rings joined together

17. energy storage in animals

18. true

19. an amino group

20. peptide bond

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