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Home Q & A Board Biology-Related Homework Help Biochemistry
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Question about determining the number of polypeptide chains in a protein
Question about determining the number of polypeptide chains in a protein
Heres the question typed out. I've attached the screenshot of the question with the structure of the compound. Could you also let me know how you came to the answer? Thank you so much!

An oligomeric protein has a molecular weight of 4
vcunningham22   4674   6 Replies
2 years ago
Which of the following notations corresponds to the fatty acid with the lowest melting point?
Which of the following notations corresponds to the fatty acid with the lowest melting point?
Which of the following notations corresponds to the fatty acid with the lowest melting point?
 a. 18:0 c. 18:2
  b. 18:1 d. 18:3
mdlc0516   220   3 Replies
2 years ago
How is the tripeptide shown designated?
How is the tripeptide shown designated?
How is the tripeptide shown designated?
 
hiufwsiuefbwe   677   3 Replies
2 years ago
Double and triple bonds form because ________.
Double and triple bonds form because ________.
[html]Double and triple bonds form because ________.

▸ the ions involved have charges larger than one

▸ the atoms involved have high electronegativities

▸ one of the atoms in the molecule has more than 8 valence electrons

▸ there is at least one
garrettl24   64   3 Replies
2 years ago
A sample of pure nitrate coantains 10.1 lithum by mass
A sample of pure nitrate coantains 10.1 lithum by mass
Follow
bajwa singh   100   1 Reply
2 years ago
What type of glycosidic bond links the monosaccharides?
What type of glycosidic bond links the monosaccharides?
Please broaden your explanation and put the sources  Crying Face thank you
k2222222   92   1 Reply
2 years ago
What are the monosaccharide units in melibiose?
What are the monosaccharide units in melibiose?
Please broaden your explanation and put the sources  Crying Face thank you
k2222   85   1 Reply
2 years ago
Question regarding isoelectric point (pI)
Question regarding isoelectric point (pI)
Hey guys! I'm having trouble with this particular question. Could you also tell me how you obtained the answer you got? Obviously the answer in the picture is not correct. Thanks so much.
vcunningham22   9238   11 Replies
2 years ago
Matter is nearly incompressible in which of these states?
Matter is nearly incompressible in which of these states?
Matter is nearly incompressible in which of these states?
A) Gas
B) Liquid
C) Solid
D) Solid and liquid
Neves   560   7 Replies
2 years ago
How many O atoms are in the formula unit GaO(NO3)2?
How many O atoms are in the formula unit GaO(NO3)2?
How many O atoms are in the formula unit GaO(NO3)2?
A) 3
B) 4
C) 5
D) 7
Neves   1827   8 Replies
2 years ago
Using Dissociation Constant Conceptually?
Using Dissociation Constant Conceptually?
Hello,

I’m completely stumped on how to use the Kd to gauge relative concentration of bound vs free protein. I was told something along these lines:

\[K_d = \frac{( [A] \times [B] )}{[A \cdot B]}\]

R
Shibe   87   1 Reply
2 years ago
1.00 pint of milk has a volume of how many milliliters?
1.00 pint of milk has a volume of how many milliliters?
1.00 pint of milk has a volume of how many milliliters?

▸ 530. mL

▸ 473 mL

▸ 1000 mL

▸ 106 mL

▸ 1890 mL
sam_48   86   2 Replies
2 years ago
What is standard atmospheric pressure (760 mmHg) in inches mercury (in Hg)? (2.54 cm = 1 in)A) 1930 ...
What is standard atmospheric pressure (760 mmHg) in inches mercury (in Hg)? (2.54 cm = 1 in)A) 1930 ...
What is standard atmospheric pressure (760 mmHg) in inches mercury (in Hg)? (2.54 cm = 1 in)
A) 1930 in Hg
B) 101 in Hg
C) 76.00 in Hg
D) 29.92 in Hg
Neves   837   3 Replies
2 years ago
What are the functions of AMPA receptors?
What are the functions of AMPA receptors?
Atleast 2-3 functions would help!
radiance99   347   1 Reply
2 years ago
How to calculate the number of ATP'S spent and received with MW of dextrin
How to calculate the number of ATP'S spent and received with MW of dextrin
Example : 342  1152 2443
Swetha   81   1 Reply
2 years ago
correct statement about the process of replication
correct statement about the process of replication

Indicate which of the following is a correct statement about the process of replication.
A.  Only one strand of the DNA duplex is copied.
B.  Sigma factor is required for recognition of the point at which replication will be
couple007   476   1 Reply
2 years ago
The conversion of ATP to ADP and inorganic phosphate produces 7.3 kcal/mole of energy.
The conversion of ATP to ADP and inorganic phosphate produces 7.3 kcal/mole of energy.
The conversion of ATP to ADP and inorganic phosphate produces 7.3 kcal/mole of energy.

▸ true

▸ false
karlec   99   1 Reply
2 years ago
The production of carbon dioxide and water in the body is an anabolic process.
The production of carbon dioxide and water in the body is an anabolic process.
The production of carbon dioxide and water in the body is an anabolic process.

▸ true

▸ false
MZ Mai   81   1 Reply
2 years ago
Digestion of a polysaccharide is an anabolic process.
Digestion of a polysaccharide is an anabolic process.
Digestion of a polysaccharide is an anabolic process.

▸ true

▸ false
Curtis Nolingal   71   1 Reply
2 years ago
The energy for most energy-requiring reactions in the cells of the body is obtained by the ...
The energy for most energy-requiring reactions in the cells of the body is obtained by the ...
The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

▸ AMP

▸ ADP

▸ GTP

▸ ATP

▸ cyclic AMP
Sodamafia   98   1 Reply
2 years ago
The term that refers to all of the chemical reactions in living cells is ________.
The term that refers to all of the chemical reactions in living cells is ________.
The term that refers to all of the chemical reactions in living cells is ________.

▸ metabolism

▸ catabolism

▸ anabolism

▸ β-oxidation

▸ glycolysis
selena   83   1 Reply
2 years ago
Myristic acid, a C14 fatty acid, produces ________ acetyl-CoA when completely metabolized.
Myristic acid, a C14 fatty acid, produces ________ acetyl-CoA when completely metabolized.
Myristic acid, a C14 fatty acid, produces ________ acetyl-CoA when completely metabolized.

▸ 7

▸ 5

▸ 14

▸ 12

▸ 2
psantiago   75   1 Reply
2 years ago
The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.
The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.
The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.

▸ glucose

▸ pyruvate

▸ CoA

▸ lactate

▸ acetyl-CoA
jcarpp   78   1 Reply
2 years ago
The complete oxidation of CH3(CH2)8COOH produces a net of ________ molecules of ATP.
The complete oxidation of CH3(CH2)8COOH produces a net of ________ molecules of ATP.
The complete oxidation of CH3—(CH2)8—COOH produces a net of ________ molecules of ATP.

▸ 74

▸ 78

▸ 82

▸ 80

▸ 64
heberleber   61   1 Reply
2 years ago
What is the net number of ATP molecules produced from the lauric acid (C12H24O2) found in coconut oil?
What is the net number of ATP molecules produced from the lauric acid (C12H24O2) found in coconut oil?
What is the net number of ATP molecules produced from the lauric acid (C12H24O2) found in coconut oil?

▸ 72 ATP

▸ 78 ATP

▸ 94 ATP

▸ 104 ATP

▸ 98 ATP
mrzbrooks   80   1 Reply
2 years ago
In the chemiosmotic model, protons circulate through a protein complex called ________.
In the chemiosmotic model, protons circulate through a protein complex called ________.
In the chemiosmotic model, protons circulate through a protein complex called ________.

▸ ATP synthase

▸ CoA

▸ CoQ

▸ FMA

▸ iron-sulfur clusters
bazoocka464   77   1 Reply
2 years ago
The compounds in electron transport that remove hydrogen ions and electrons from NADH are classified ...
The compounds in electron transport that remove hydrogen ions and electrons from NADH are classified ...
The compounds in electron transport that remove hydrogen ions and electrons from NADH are classified as ________.

▸ osmotic carriers

▸ oxidative transporters

▸ electron carriers

▸ citrates

▸ phosphorylators
Wellz999   71   1 Reply
2 years ago
The energy released during electron transport is used to produce ________.
The energy released during electron transport is used to produce ________.
The energy released during electron transport is used to produce ________.

▸ ATP

▸ citric acid

▸ glucose

▸ NADH

▸ carbon dioxide
hazaa   62   1 Reply
2 years ago
In the dehydrogenation of succinate to fumarate in the citric acid cycle, the coenzyme used is ________.
In the dehydrogenation of succinate to fumarate in the citric acid cycle, the coenzyme used is ________.
In the dehydrogenation of succinate to fumarate in the citric acid cycle, the coenzyme used is ________.

▸ NAD+

▸ NADH

▸ acetyl-CoA

▸ FAD

▸ CoA
nomecanso   64   1 Reply
2 years ago
In the third reaction of the citric acid cycle, NAD+ is converted to ________.
In the third reaction of the citric acid cycle, NAD+ is converted to ________.
In the third reaction of the citric acid cycle, NAD+ is converted to ________.

▸ NADH2

▸ NAD2+

▸ NAD

▸ NAS-

▸ NADH
Sejunmam   59   1 Reply
2 years ago
Under anaerobic conditions, there is a net production of ________ ATP during glycolysis.
Under anaerobic conditions, there is a net production of ________ ATP during glycolysis.
Under anaerobic conditions, there is a net production of ________ ATP during glycolysis.

▸ four

▸ six

▸ eight

▸ zero

▸ two
jayyyz214   51   1 Reply
2 years ago
Fatty acids and glycerol are produced from the metabolism of ________.
Fatty acids and glycerol are produced from the metabolism of ________.
Fatty acids and glycerol are produced from the metabolism of ________.

▸ glucose

▸ lipids

▸ amino acids

▸ carbohydrates

▸ proteins
cjulia8   55   1 Reply
Guest
2 years ago
The initial stage of the digestion of protein is catalyzed by an enzyme called ________.
The initial stage of the digestion of protein is catalyzed by an enzyme called ________.
The initial stage of the digestion of protein is catalyzed by an enzyme called ________.

▸ peptidase

▸ pepsin

▸ trypsin

▸ chymotrypsin

▸ amylase
vikingsfantasy   53   1 Reply
2 years ago
Which of the three major stages of metabolism includes the citric acid cycle?
Which of the three major stages of metabolism includes the citric acid cycle?
Which of the three major stages of metabolism includes the citric acid cycle?

▸ stage one

▸ stage two

▸ stage three
jasss   67   1 Reply
2 years ago
The main compound used to release energy for metabolism is ________.
The main compound used to release energy for metabolism is ________.
The main compound used to release energy for metabolism is ________.

▸ ribonucleic acid

▸ adenosine triphosphate

▸ glucose phosphate

▸ sucrose

▸ NAD+
sxllykxm   51   1 Reply
2 years ago
The unique sequence of bases in a nucleic acid is the secondary structure.
The unique sequence of bases in a nucleic acid is the secondary structure.
The unique sequence of bases in a nucleic acid is the secondary structure.

▸ true

▸ false
sarahmai95   49   1 Reply
2 years ago
One of the differences between DNA and RNA is the sugar it contains.
One of the differences between DNA and RNA is the sugar it contains.
One of the differences between DNA and RNA is the sugar it contains.

▸ true

▸ false
johnja   51   1 Reply
2 years ago
What tripeptide is coded for by the following mRNA sequence? UUU AGA CCA
What tripeptide is coded for by the following mRNA sequence? UUU AGA CCA
What tripeptide is coded for by the following mRNA sequence?  UUU AGA CCA

▸ Phe-Thr-Pro

▸ Leu-Pro-Arg

▸ Pro-Arg-Phe

▸ Phe-Arg-Pro

▸ Phe-Pro-Arg
Norris Day   102   1 Reply
2 years ago
Which of the following is a section of mRNA produced from the DNA template below? A T A G C T A
Which of the following is a section of mRNA produced from the DNA template below? A T A G C T A
[html]Which of the following is a section of mRNA produced from the DNA template below?

 A T A G C T A


▸ T A T C G A T

▸ U A U C G A U

▸ A T A G C T A

▸ U U U G C U U

▸ A
Furkan   63   1 Reply
2 years ago
The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.
The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.
The base sequence of the strand of DNA complementary to the segment T G G C A A C is ________.

▸ T G G C A A C

▸ A C C G U U G

▸ A C C G T T G

▸ A C G C T U G

▸ U C C G T T G
Ptrip88   90   1 Reply
2 years ago
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