Biochemistry

"Five prime to three prime" description of a DNA strand refers to

"Five prime to three prime" description of a DNA strand refers to

"Five prime to three prime" description of a DNA strand refers to
A) the phosphorylated 5' carbon at one end, the 3' at the other end.
B) the location of the hydroxyl groups.
C) the phosphodiester backbone of DNA.

mikael   1003   2 Replies

mikael

"Induced dipole" is an equivalent way of saying ________.

"Induced dipole" is an equivalent way of saying ________.

"Induced dipole" is an equivalent way of saying ________.

Neves   218   2 Replies

Neves

"Too much of a good thing can hurt you." "It's all good." We've all heard phrase

"Too much of a good thing can hurt you." "It's all good." We've all heard phrase

"Too much of a good thing can hurt you." "It's all good." We've all heard phrases like this, and know that they contain some truth. For example, both life essentials water and sunshine can harm us. Not enough cholesterol

ppk   2830   5 Replies

sprongs08

(a) Arsenic is a metabolic poison that disrupts ATP synthesis in cells.?

(a) Arsenic is a metabolic poison that disrupts ATP synthesis in cells.?

(a) Arsenic is a metabolic poison that disrupts ATP synthesis in cells.  Based on that short description, predict which organelle arsenic most directly affects. (b) Arsenic-based compounds have been used to treat certain types of cancer.  Why might y

ilovebball   515   2 Replies

Rizzlefritz

(Opening / Closing) of a potassium channel results in an excitatory postsynaptic potential.

(Opening / Closing) of a potassium channel results in an excitatory postsynaptic potential.

(Opening / Closing) of a potassium channel results in an excitatory postsynaptic potential.

SalwanJ   132   3 Replies

ch1990

(Read description)What happens to prions over time?

(Read description)What happens to prions over time?

I have done some research on prion proteins, and I have heard that they "die" after a year under most circumstances. How exactly does this happen? Could they be reactivate many years(possibly decades) later or would the protein components be long gon

obxannie   255   1 Reply

jtung23

-D-glucopyranose in the chair form is the most widely occurring form of glucose in nature and it has ...

-D-glucopyranose in the chair form is the most widely occurring form of glucose in nature and it has ...

-D-glucopyranose in the chair form is the most widely occurring form of glucose in nature and it has the following characteristics EXCEPT:
 
  a. forms a six-membered ring.
  b. carbon 6 is above the plane of the chair.
  c. all

Pooh bear   45   1 Reply

ABascomb

-D-Glucose + ATP ____ + ____ + H+ (Multiple Choice)

-D-Glucose + ATP ____ + ____ + H+ (Multiple Choice)

-D-Glucose + ATP  ____ + ____ + H+
 
  a. -D-fructose; ADP
  b. -D-glucose-1-phosphate; AMP
  c. -D-glucose-1-phosphate; ADP
  d. -D-glucose-6-phosphate; ADP
  e. D-glucose-1,6-bisphosphate; AMP

alshernandez   36   1 Reply

mickeymouse1

-Helix and -strand are components of ____ structure

-Helix and -strand are components of ____ structure

-Helix and -strand are components of ____ structure
 
  a. primary
  b. secondary
  c. tertiary
  d. quaternary
  e. all are true

ksultz   53   1 Reply

Nickluna@msn.co

-Keratin has all of the following characteristics EXCEPT:

-Keratin has all of the following characteristics EXCEPT:

-Keratin has all of the following characteristics EXCEPT:
 
  a. primary component in hair, claws, fingernails, and horns of animals.
  b. consists of four helical strands arranged as twisted pairs of two-stranded coiled coils.
 

Miller123   54   1 Reply

Lettyyys

-Ketoglutarate dehydrogenase is a multi-enzyme complex analogous to:

-Ketoglutarate dehydrogenase is a multi-enzyme complex analogous to:

-Ketoglutarate dehydrogenase is a multi-enzyme complex analogous to:
 
  a. pyruvate kinase.
  b. glyceraldehyde-3-phosphate dehydrogenase.
  c. isocitrate dehydrogenase.
  d. pyruvate dehydrogenase.
  e. lactate dehydr

jennjenn563   53   2 Replies

jennjenn563

-Turns in a peptide chain form a tight loop with hydrogen bonding of the carbonyl oxygen with:

-Turns in a peptide chain form a tight loop with hydrogen bonding of the carbonyl oxygen with:

-Turns in a peptide chain form a tight loop with hydrogen bonding of the carbonyl oxygen with:
 
  a. side chain amine of lysine two amino acids down the chain.
  b. amide proton on the next amino acid down the chain.
  c. amide

jayfro   56   1 Reply

jjdjd j

. There are three types of RNA that are directly involved in translation

. There are three types of RNA that are directly involved in translation

.There are three types of RNA that are directly involved in translation. 
1).  Name these three types of RNA
2)Briefly describe the function of each of these types of RNA

mannip29   739   1 Reply

nite_n_day

0.117 mol of a particular substance weighs 21.9 g. What is the molar mass of this substance?

0.117 mol of a particular substance weighs 21.9 g. What is the molar mass of this substance?

0.117 mol of a particular substance weighs 21.9 g. What is the molar mass of this substance?
 a. 187 g c. 0.00534 g
  b. 187 amu d. 0.00534 amu

Jnortontruvisio   553   5 Replies

Ueeki _

0.789 mol of a particular substance weighs 142 g. What is the molar mass of this substance?

0.789 mol of a particular substance weighs 142 g. What is the molar mass of this substance?

0.789 mol of a particular substance weighs 142 g. What is the molar mass of this substance?
 a. 0.00556 g c. 180 g
  b. 0.00556 amu d. 180 amu

lovelyturret   582   1 Reply

physico

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol ...

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol ...

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol pyruvate + CO2 + GDP 3 . Malate + NAD+ --> oxaloacetate + NADH + H+ 4 . Oxaloacetate + NADH + H+--> malate + NAD+ Which of the above reactions, concerned with

Jnortontruvisio   56   1 Reply

PrincessAwesome

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol ...

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol ...

1 . Pyruvate + CO2 + ATP --> oxaloacetate + ADP+ Pi 2 . Oxaloacetate + GTP --> phosphoenol pyruvate + CO2 + GDP 3 . Malate + NAD+ --> oxaloacetate + NADH + H+ 4 . Oxaloacetate + NADH + H+--> malate + NAD+ Which of the above reactions, concerned with

ahh_risa   57   1 Reply

jogden1011

1 In the central dogma of biochemistry, information is passed in the following order:

1 In the central dogma of biochemistry, information is passed in the following order:

1 In the central dogma of biochemistry, information is passed in the following order:
 a. RNA -> DNA -> protein
 b. protein -> DNA -> RNA
 c. DNA -> RNA -> protein
 d. RNA -> protein -> DNA
 e. DNA -> protein -> RNA

Jnortontruvisio   36   1 Reply

rayohn2010

1 m = 10-6μmIs this statement T or F?

1 m = 10-6μmIs this statement T or F?

1 m = 10-6μm
Is this statement T or F?

Neves   67   2 Replies

Neves

1 NADH generates more ATP than 1 FADH2 because the former pumps more H+ protons to the _______

1 NADH generates more ATP than 1 FADH2 because the former pumps more H+ protons to the _______

Electron transport chain and oxidative phosphorylation.

Maria Clara Alexandroni   132   1 Reply

bio_man

1 The turnover number of an enzyme is the number of:

1 The turnover number of an enzyme is the number of:

1 The turnover number of an enzyme is the number of:
 a. enzyme-substrate complexes formed per unit time
 b. substrate molecules converted to product before the enzyme is saturated
 c. substrate molecules converted into product per en

motee   66   1 Reply

garroghuu

1-Given the following amino acids with their corresponding pI values. At pH 7.0,

1-Given the following amino acids with their corresponding pI values. At pH 7.0,

1-Given the following amino acids with their corresponding pI values. At pH 7.0, which amino
acid would be positively charged[/b]
a. Glycine, pI = 4.9 b. Phenylalanine, pI = 6.5
c. Aspartate, pI = 6.0 d. All of these
2-What is the

hatam-shomilie   1379   1 Reply

bio_man

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

Kaitlyn Noelle

11 Ribosomes are made up of

11 Ribosomes are made up of

11 Ribosomes are made up of
 a. RNA and proteins
  b. DNA and proteins
  c. RNA and DNA
  d. proteins and carbohydrates

lacinb30   73   1 Reply

bunique227744

11 Ribosomes are made up of :

11 Ribosomes are made up of :

11 Ribosomes are made up of
 A) RNA and proteins
  B) DNA and proteins
  C) RNA and DNA
  D) proteins and carbohydrates

Jovaini   68   1 Reply

jacobhollyy

12 is what percent of 36?

12 is what percent of 36?

12 is what percent of 36?

▸ 3%

▸ 30%

▸ 330%

▸ 12%

▸ 33%

yaqub   40   1 Reply

sleinhi

12) The 5’ end and the region near the 3’ end of tRNA molecules are base-paired

12) The 5’ end and the region near the 3’ end of tRNA molecules are base-paired

12) The 5’ end and the region near the 3’ end of tRNA molecules are base-paired to each other forming
A) the anticodon arm.
B) the acceptor or amino acid stem.
C) one arm of the three-dimensional structure.
D) the variable arm.

bkline14   355   1 Reply

bio_man

13) Amino acids are attached to tRNA at the ________.

13) Amino acids are attached to tRNA at the ________.

13) Amino acids are attached to tRNA at the ________.
A) anticodon region
B) 5' end
C) 3' end
D) variable arm

bkline14   273   1 Reply

bio_man

2 moles of CH3CH2CH2CH3 contains 5 moles of H2 molecules. (True or false?)

2 moles of CH3CH2CH2CH3 contains 5 moles of H2 molecules. (True or false?)

2 moles of CH3CH2CH2CH3 contains 5 moles of H2 molecules.
Is this statement T or F?

Neves   107   2 Replies

Neves

2 polysaccarides in beans that cause flatulence?

2 polysaccarides in beans that cause flatulence?

for biology we have to know the 2 polysacch. in beans that cause flatulence. i know one of them is raffinose but what is the other? 10 POINTS BEST ANSWER!

RiveraCI   386   1 Reply

smmrwds

2 stages of biochemical pathways?

2 stages of biochemical pathways?

2 stages of biochemical pathways?

tommyt_   387   1 Reply

jules78245

2 triglycerides each contain 1 glycerol and 3 fatty acids. Calculate the ATP

2 triglycerides each contain 1 glycerol and 3 fatty acids. Calculate the ATP

Given 2 triglycerides which contain 1 glycerol and 3 fatty acids. Calculate the total ATP?

Shan13   1264   2 Replies

Shan13

2,3-Bisphosphoglycerate binds only to the __________________ form of hemoglobin.

2,3-Bisphosphoglycerate binds only to the __________________ form of hemoglobin.

2,3-Bisphosphoglycerate binds only to the __________________ form of hemoglobin.

jackamus   68   1 Reply

iFISH

2,3-bisphosphoglycerate is (Multiple Choice)

2,3-bisphosphoglycerate is (Multiple Choice)

2,3-bisphosphoglycerate is
A) an essential component of glycolysis for ATP production.
B) converted to 3-phosphoglycerate with formation of ATP.
C) essential for the efficient release of O2 from hemoglobin.
D) a product of the enz

mikael   468   2 Replies

mikael

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:
 a. binding preferentially to deoxyhemoglobin
  b. binding preferentially to oxy-hemoglobin
  c. stabilizing oxy-hemoglobin by cross-linking the beta chains

Miller123   48   1 Reply

taylorhovland

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:

2,3-bisphosphoglycerate lowers the affinity for oxygen of hemoglobin by:
 a. binding preferentially to deoxyhemoglobin
 b. binding preferentially to oxy-hemoglobin
 c. stabilizing oxy-hemoglobin by cross-linking the beta chains
 

lacoya15   58   2 Replies

lacoya15

2-3 Bisphosphoglycerate: (Multiple Choice)

2-3 Bisphosphoglycerate: (Multiple Choice)

2-3 Bisphosphoglycerate
A)   binds in the central cavity in the T-form of hemoglobin.
B)   preferentially binds to deoxyhemoglobin and stabilizes it.
C)   is present in the red blood cells.
D)   All of the above.
E)   None of the

jackamus   95   2 Replies

jackamus

2-Butyne is allowed to react with H2 over the Lindlar catalysts. The obtained product is treated ...

2-Butyne is allowed to react with H2 over the Lindlar catalysts. The obtained product is treated ...

2-Butyne is allowed to react with H2 over the Lindlar catalysts. The obtained product is treated with OsO4/pyridine followed by NaHSO3/H2O. Which of the following compounds is the end result of this sequence of reactions?
 

shoppa   47   1 Reply

jjdjd j

2. Which of the following statements regarding sugars is correct?

2. Which of the following statements regarding sugars is correct?

a. Amino acids undergo condensation reactions to form polysaccharides.
b. Monosaccharides undergo condensation reactions to form polysaccharides.
c. Monosaccharides undergo hydrolysis to form polysaccharides.
d. Glucose is the monomer for all polysac

nursing123   280   3 Replies

rixa85

24) Which of the following statements about the mammalian digestive system is true?

24) Which of the following statements about the mammalian digestive system is true?

A) all foods begin their enzymatic digestion in the mouth.
B.) After leaving the oral cavity, the bolus enters the larynx.
C.) the epiglottis prevents food from entering the trachea.
D.) Enzyme production continues in the esophagus.

 E.) The tra

micro205   1377   4 Replies

nvl8