Organic Chemistry

Which one of the choices is a correct representation of PGAs?

Which one of the choices is a correct representation of PGAs?

[html]Question 1.Which one of the choices is a correct representation of PGCs?

afrah   96   1 Reply

cryzazn

Which one of the choices is a correct representation of PGBs?

Which one of the choices is a correct representation of PGBs?

[html]Question 1.Which of the choices is a common characteristic of prostaglandins PGD and PGE?

▸ They are both aldehydes.

▸ They both are β-hydroxyketones.

▸ They both are α-hydroxyketones.

▸ They are both aromatic.

▸ Th

mitch44   75   1 Reply

jojoliciouz

Which of the choices is a common characteristic of prostaglandins PGA, PGB and PGC?

Which of the choices is a common characteristic of prostaglandins PGA, PGB and PGC?

[html]Question 1.Which of the choices can be characteristics of prostaglandins?

▸ two side chains

▸ carbonyl group

▸ five-membered cyclic ring

▸ hydroxyl group

▸ all of theseQuestion 2.Wh

lindseyw   89   1 Reply

ssong07

Which of the choices is not a characteristic of prostaglandins?

Which of the choices is not a characteristic of prostaglandins?

[html]Question 1.Prostaglandins are made up of ________ carbon atoms.

▸ 16

▸ 20

▸ 18

▸ 14

▸ 22Question 2.Which of the choices is not a characteristic of prostaglandins?

▸ six-membered mo

mlee52381   80   1 Reply

ixi12

Which of the choices is a chair conformation for the compound shown?

Which of the choices is a chair conformation for the compound shown?

[html]Question 1.What is the predicted product when estradiol is treated with excess NaH followed by excess bromopropane?

Bubblyparabola   73   1 Reply

heathernhull

What is the predicted product when testosterone is treated with PCC?

What is the predicted product when testosterone is treated with PCC?

[html]Question 1.Which of the choices is an anabolic steroid?

▸ progesterone

▸ nandrolone

▸ esrone

▸ androsterone

▸ cortisoneQuestion 2.What is the predicted product when testosterone is

mdensmore   62   1 Reply

mr.pogi

Which of the given steroid hormones is secreted by the adrenal cortex?

Which of the given steroid hormones is secreted by the adrenal cortex?

[html]Question 1.Which one of the choices is used to treat the inflammatory condition caused by arthritis?

▸ cortisone

▸ androsterone

▸ norethindrone

▸ stanozolol

▸ lanosterolQuestion 2.W

rafiki121   79   1 Reply

mr.pogi

Which of the given hormones is (are) especially important in the development of male characteristics?

Which of the given hormones is (are) especially important in the development of male characteristics?

[html]Question 1.Which of the given hormones is (are) female sex hormones?

▸ estrone

▸ androsterone

▸ cortisone

▸ estradiol

▸ both A and DQuestion 2.Which of the given hormones is (are) e

jake82   70   1 Reply

otis24

Male sex hormones are called ________ and female sex hormones are called ________.

Male sex hormones are called ________ and female sex hormones are called ________.

[html]Question 1.Which of the choices is a female sex hormone?

▸ cortisone

▸ nandrolone

▸ androsterone

▸ lanosterol

▸ estroneQuestion 2.Male sex hormones are called ________ and female se

DenverMade   92   1 Reply

dcmc92

Which of the choices is a male sex hormone?

Which of the choices is a male sex hormone?

[html]Question 1.What is the predicted major product when cholesterol is treated with hydrogen in the presence of a palladium catalyst?

tkd_fighter   94   1 Reply

ahgoebel

What is the predicted major product when cholesterol is treated with peroxy acetic acid?

What is the predicted major product when cholesterol is treated with peroxy acetic acid?

[html]Question 1.What is the predicted product when cholesterol is treated with acetyl chloride in presence of pyridine?

dex0388   129   1 Reply

satish1015

Which of the choices correctly shows the numbering of the steroid nucleus?

Which of the choices correctly shows the numbering of the steroid nucleus?

[html]Question 1.In estrone the B-C ring fusion is ________ and the C-D ring fusion is ________.

biokam   91   1 Reply

jasm

In androsterone the A-B ring fusion is ________ and the B-C ring fusion is ________.

In androsterone the A-B ring fusion is ________ and the B-C ring fusion is ________.

[html]Question 1.In naturally occurring steroids mostly the B-C ring fusion is ________ and the C-D ring fusion is ________.

▸ trans; cis

▸

cjr4808   68   1 Reply

wackocrazy

Which of the choices is a correct description of the compound shown?

Which of the choices is a correct description of the compound shown?

[html]Question 1.Why is decanol more efficient at crossing the cell membrane than hexanol?Question 2.Which of the choices is a correct description of the compound shown?

drwalkinboner   74   1 Reply

Mspractical

Explain why fatty acids cannot form a bilayer.

Explain why fatty acids cannot form a bilayer.

[html]Question 1.A lipid bilayer is formed by the self assembly of ________.

▸ unsaturated fatty acids

▸ alcohols

▸ phosphoglycerides

▸ triglycerides

▸ saturated fatty acidsQuestion 2.Exp

islandgurl   64   1 Reply

dmahr

Which choice(s) show(s) the structure of a lecithin that would produce two stearic acid residues on ...

Which choice(s) show(s) the structure of a lecithin that would produce two stearic acid residues on ...

[html]Question 1.Which choice(s) show(s) the structure of a cephalin that would produce two oleic acid residues on hydrolysis?

Lola1   50   1 Reply

thomas1993

Which of the choices is the structure of a cephalin that would produce one equivalent of oleic acid ...

Which of the choices is the structure of a cephalin that would produce one equivalent of oleic acid ...

[html]Question 1.What are the components of lechithins and cephalins?

▸ three nonpolar hydrophobic tails

▸ two polar head groups and one nonpolar hydrophobic tail

▸ one polar head group and two nonpolar hydrophobic tails

▸

JSmith1   89   1 Reply

rl679

Which of the given lipids would produce two fatty acid residues along with choline on hydrolysis?

Which of the given lipids would produce two fatty acid residues along with choline on hydrolysis?

[html]Question 1.Which of the given lipids would produce two fatty acid residues along with ethanolamine on hydrolysis?

▸ phosphatidyl serines

▸ cephalins

▸ phospholipid

▸ triolein

▸ lecithinsQuestion

AsadQ1   60   1 Reply

kimtran

Which of the given compounds is a phosphatidic acid?

Which of the given compounds is a phosphatidic acid?

[html]Question 1.Which of the choices is a phosphatidic acid?

▸ phosphoric acid diester

▸ phosphoric acid trimester

▸ phosphoric acid

▸ phosphoric acid monoesterQuestion 2.Which of the giv

fabz06   68   1 Reply

tk9790

Phosphoglycerides that contain choline are called ________.

Phosphoglycerides that contain choline are called ________.

[html]Question 1.Phosphoglycerides that contain ethanolamine are called ________.

▸ phosphatidyl serines

▸ biodiesel

▸ lecithins

▸ cephalins

▸ plasmalogensQuestion 2.Phosphoglycerides tha

Blittle5   58   1 Reply

jay2013

Phosphoglycerides differ from triglycerides in that one of the three fatty acid residues is replaced ...

Phosphoglycerides differ from triglycerides in that one of the three fatty acid residues is replaced ...

[html]Question 1.Which of the given compounds is used as a soap?

Godty   61   1 Reply

kniemeier2

Which of the compounds shown is used as a detergent?

Which of the compounds shown is used as a detergent?

[html]Question 1.What are the ions that are typically in soap scum?

▸ silver and tin

▸ calcium and magnesium

▸ sodium and potassium

▸ lithium and potassium

▸ hydroxide and nitrateQuestion 2.

neezy   60   1 Reply

maneee1

Which of the substance shown has a hydrophobic group and a hydrophilic group, but does not generate ...

Which of the substance shown has a hydrophobic group and a hydrophilic group, but does not generate ...

[html]Question 1.What substance can be made from heating animal fat with wood ashes, which contain alkaline substances?

▸ detergent

▸ cooking oil

▸ biodiesel

▸ kerosene

▸ soapQuestion 2.W

OlKu   63   1 Reply

lewmyr

What fuel is produced when vegetable oil undergoes transesterification?

What fuel is produced when vegetable oil undergoes transesterification?

[html]Question 1.What is(are) the predicted product(s) of the reaction shown?

choco1433   65   1 Reply

fujioki

What is(are) the predicted product(s) of the reaction shown?

What is(are) the predicted product(s) of the reaction shown?

[html]Question 1.An optically active triglyceride that produced two myristic acid residues and an oleic acid residue when heated in the presence of an acid. What is the structure of this triglyceride?

hcraik2   60   1 Reply

jgunn88

When heated in the presence of an acid, a triglyceride produced a linoleic acid residue, a ...

When heated in the presence of an acid, a triglyceride produced a linoleic acid residue, a ...

[html]Question 1.An optically inactive triglyceride produced two palmitic acid residues and one oleic acid residue, when heated in the presence of an acid. What is the structure(s) of the triglyceride(s) produced?

mrtrombley92   69   1 Reply

elacevedo

An optically active triglyceride produced two palmitic acid residues and one oleic acid residue, ...

An optically active triglyceride produced two palmitic acid residues and one oleic acid residue, ...

[html]Question 1.What is(are) the predicted product(s) of the reaction shown?

joshtatum92   62   1 Reply

illusionld

What is(are) the predicted product(s) of the reaction shown?

What is(are) the predicted product(s) of the reaction shown?

[html]Question 1.The reaction of triglycerides with a base is a(n) ________ reaction.

▸ esterification

▸ autooxidation

▸ saponification

▸ transesterification

▸ oxidationQuestion 2.What is

nisha   71   1 Reply

yankeesaremyjam

The interior of a micelle is ________, whereas the exterior is ________.

The interior of a micelle is ________, whereas the exterior is ________.

[html]Question 1.The rancid smell from unsaturated oils is due to ________.

▸ the reduction of the alkene

▸ the oxidation of the alkene

▸ the oxidation of the ester group

▸ autooxidation

▸ the reduction of the ester group

sharonfaith30   80   1 Reply

twnklstr

Unsaturated triglycerides undergo autooxidation at the ________ position of the fatty acid residue.

Unsaturated triglycerides undergo autooxidation at the ________ position of the fatty acid residue.

[html]Question 1.In the presence of molecular oxygen, saturated triglycerides undergo autooxidation to yield hydroperoxides.

▸ true

▸ falseQuestion 2.Unsaturated triglycerides undergo autoox

RHCP12   65   1 Reply

adandarooza

How many different structures (including stereoisomers) are possible for a triglyceride that ...

How many different structures (including stereoisomers) are possible for a triglyceride that ...

[html]Question 1.How many different structures (including stereoisomers) are possible for a triglyceride that contains two palmitic acid residues and one stearic acid residue?

▸ 1

▸ 2

▸ 3

▸ 4

▸ 5Quest

wallyboy   64   1 Reply

dcmc92

What is(are) the predicted product(s) of the reaction shown?

What is(are) the predicted product(s) of the reaction shown?

[html]Question 1.What is the predicted product of the reaction shown?

got2pass   60   1 Reply

jasm

Which of the given fatty acids is produced when oleic acid is hydrogenated?

Which of the given fatty acids is produced when oleic acid is hydrogenated?

[html]Question 1.Which of the given reagent(s) would convert palmitoleic acid to palmitic acid?

▸ NaBH4/CH3OH

▸ 1. LiAlH

Bluffinmuffin   57   1 Reply

rpascua

Which of the given fatty acids is not likely to be present in natural fats and oils?

Which of the given fatty acids is not likely to be present in natural fats and oils?

[html]Question 1.Which one of the choices is classified as an oil?

▸ trilinolein

▸ triarchadin

▸ tripalmitin

▸ trilaurinQuestion 2.Which of the given fatty acids is not likely to be presen

OlKu   48   1 Reply

Omfgtimmy

Which one of the choices is classified as a fat?

Which one of the choices is classified as a fat?

[html]Question 1.Which one of the choices has the lowest melting point?

luannamw86   53   1 Reply

Gimor1220

Which one of the choices has the highest melting point?

Which one of the choices has the highest melting point?

[html]Question 1.Which one of the given fatty acids has the lowest melting point?

▸ oleic acid

▸ arachidonic acid

▸ arachidic acid

▸ palmitoleic acid

▸ linoleic acidQuestion 2.Which one o

saratoga 22   76   1 Reply

cheesoslimo

Which one of the given fatty acids has the highest melting point?

Which one of the given fatty acids has the highest melting point?

[html]Question 1.Which one of the given fatty acids has the lowest melting point?

▸ stearic acid

▸ palmitic acid

▸ lauric acid

▸ myristic acid

▸ arachidic acidQuestion 2.Which one of the

triciababy1   50   1 Reply

clubber25

Which one of the given fatty acids has the highest melting point?

Which one of the given fatty acids has the highest melting point?

[html]Question 1.Arrange the given compounds in decreasing order of melting point.

anonkah   62   1 Reply

carducb

Which of the given fatty acids are most likely to occur in natural sources?

Which of the given fatty acids are most likely to occur in natural sources?

[html]Question 1.Which of the given fatty acids is not likely to occur in a natural source?

▸ (Z)-9-hexadecenoic acid

▸ (Z)-11-tetradecenoic a

badd99   57   1 Reply

bolusmachine

The compound shown is best classified as an ________.

The compound shown is best classified as an ________.

[html]Question 1.The compound shown is best classified as a(n) ________.

fabz06   64   1 Reply

davisdiamond