I, II, and III I, II, III, and IV 54-U These lipids are the main components of c
ID: 1029096 • Letter: I
Question
I, II, and III I, II, III, and IV 54-U These lipids are the main components of cell membranes. A) I only B) I and II C) II and III D) 1,11, and 1 E) I, II, III, and IV Answer True (T) or False (F) (2 points each) 1) An ester is derived from an ether and a carboxylic acid. 2) The ester formed from butyl alcohol and acetic acid is called butyl acetate. 3) Carboxylic acids with four or fewer carbons are very water soluble. 4) Hydration is the breakdown of an ester 5) Polyesters are plastics that are used to make fabrics, bottles, and medical devices such as heart valves. 6) Steroids contain fatty acids 7) One function of phospholipids is to provide structure to cell membranes 8) Palmitic acid is a saturated fatty acid 9) Lecithins contain sphingosine, fatty acids, phosphate and an amino alcohol 10)--. Soaps are salts of long chain fatty acids ___Explanation / Answer
7.
Answer is option (B).
8.
Answer is option (A).
This part is hydrocarbon and hence dissolves in non-polar solvent.
9.
Answer is option (E).
10.
Answer is option (C).
11.
Answer is option (B). Amine is a base, so, acid will neutralize it.
12.
Answer is option (B).
CH3NH2 + H2O = CH3NH4+OH-
19.
Answer is option (B).
20.
Answer is option (D).
Three bond pair and one lone pair.
21.
Answer is option (E).
13.
Answer is option (B).
14.
Answer is option (A).
Propane is an alkane.
15.
Answer is oprtion (E)
16.
Answer is option (II).
Since it is carboxylic acid. and can form hydrogen bonding.
17.
Answer is option (B)