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A2. Below are the chemical structures of fat, vitamin C, and THC (the active ingredient in...
A2. Below are the chemical structures of fat, vitamin C, and THC (the active ingredient in the drug marijuana). The fat and THC molecules contain lots of carbon atoms, which makes them very nearly nonpolar. Chemicals that are fat-soluble are retained in fat cells for long periods of time. Chemicals that are water-soluble are quickly excreted by the body. Explain the following: (a) A person who uses marijuana will test positive for THC for several weeks after using this drug. Why? (b) The recommended daily allowance of vitamin C is 3 g/day. Why should vitamin C be consumed every day?
Solutions
Amanda K answered 7 months agoRelated Solutions
An experiment examined the impact of THC (the active ingredient in marijuana) on various physiological and...
An experiment examined the impact of THC (the active ingredient
in marijuana) on various physiological and psychological variables.
The study recruited a sample of 18 young adults who were habitual
marijuana smokers. Subjects came to the lab 3 times, each time
smoking a different marijuana cigarette: one with 3.9% THC, one
with 1.8% THC, and one with no THC (a placebo). The order of the
conditions was randomized in a double-blind design.At the start of
each session, no subject reported...
An experiment examined the impact of THC (the active ingredient in marijuana) on various physiological and...
An experiment examined the impact of THC (the active ingredient
in marijuana) on various physiological and psychological variables.
The study recruited a sample of 18 young adults who were habitual
marijuana smokers. Subjects came to the lab 3 times, each time
smoking a different marijuana cigarette: one with 3.9% THC, one
with 1.8% THC, and one with no THC (a placebo). The order of the
conditions was randomized in a double-blind design.
At the start of each session, no
subject...
Q30) The "fat soluble" vitamin(s) is(are):- a) Vitamin A b) Vitamin D c)...
Q30) The "fat soluble" vitamin(s)
is(are):-
a) Vitamin A b) Vitamin D
c) Vitamin E d) Vitamin K
e) All of the above
Q31)What type of diabetes mellitus
(DM) has the following
features?
a) Begins with insulin resistance
b)Cells of the body fail to respond
to insulin properly
c)Common cause is excessive body
weight
d)Another common related feature
is insufficient exercise
a) Type 1 DM b) Type 2 DM
c)Type 3 DM...
5. Look up the chemical formulas for bleach, isopropyl alcohol, and chlorhexidine gluconate (the active ingredient...
5. Look up the chemical formulas for bleach, isopropyl
alcohol, and chlorhexidine gluconate (the active ingredient in
Hibiclens). How does each chemical achieve its germicidal
properties?”
“3. If a population of bacteria evolves resistance to
penicillin, are these bacteria more likely to be also resistant to
ampicillin or kanamycin? Explain your reasoning.”
“2. What is the mechanism of action for each of the
antibiotics used in this experiment?” (ampicillin,
kanamycin, and penicillin)
5. Look up the chemical formulas for bleach, isopropyl alcohol, and chlorhexidine gluconate (the active ingredient...
5. Look up the chemical formulas for bleach, isopropyl alcohol,
and chlorhexidine gluconate (the active ingredient in Hibiclens®).
How does each chemical achieve its germicidal properties on the
molecular level?
6. What are some real-world applications for a study like this?
For instance, how would these results influence cleaning practices
in a doctor's office or treatment of a disease?
Describe the chemical composition of each structures below. (Note that the chemical composition for many of...
Describe the chemical composition of each structures below.
(Note that the chemical composition for many of the structures
listed is a phospholipid bilayer.)
cell wall
chromatin
cytosol-
chloroplasts
chromoplasts
cytoskeleton
Golgi apparatus
leucoplasts
mitochondria
nuclear envelope
plasma membrane
peroxisomes
ribosomes
rough endoplasmic reticulum
smooth endoplasmic reticulum
tonoplast
Question: Using the information and equations below determine the concentration of Vitamin C in an unknown...
Question: Using the information and equations
below determine the concentration of Vitamin C in an unknown soft
drink.
Hints: In this experiment, the amount of potassium iodate
determines the amount of iodine that is produced. In addition, the
first part of the experiment requires the determination of the
concentration of the thiosulphate solution. This is done by
generating a known amount of iodine via the reaction between
potassium iodide and a known amount of potassium iodate in an
acidic medium....
For chemicals below: NaBiO3, Br2, Vitamin C, FeSO4, Na2C2O4, KBrO3, I2, SnCl2, Na2S2O3, As2O3, KIO3, K2Cr2O7,...
For chemicals below:
NaBiO3, Br2, Vitamin C, FeSO4, Na2C2O4, KBrO3, I2,
SnCl2, Na2S2O3, As2O3, KIO3, K2Cr2O7, KMnO4, Ce(SO4)2, Starch
a) Which are oxidizing agents?
b) Which are reducing agents?
c) Which can be used as primary standards?
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