« previous next »

Author Question: A coenzyme frequently encountered in transamination reactions is a. tetrahydrofolate b. ... (Read 28 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
on: Aug 23, 2018
A coenzyme frequently encountered in transamination reactions is
  a.
  tetrahydrofolate
  b.
  pyridoxal phosphate
  c.
  thiamine pyrophosphate
  d.
  biotin

Question 2

Consider the deamination of serine to answer the following questions.
   
  a)
  Draw the structure of the a-keto acid produced by the deamination of serine.
   
   
  b)
  What is the fate of the amino group in serine when this conversion occurs in a mammalian system?

Question 3

Many biological reactions are endergonic. Explain how it is possible that these reactions occur spontaneously.


Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 23, 2018
Answer to Question 1

b

Answer to Question 2

a)


b)
The amino group is removed in the deamination as ammonia. The ammonia is in turn converted into urea and excreted during the urea cycle.

Answer to Question 3

Endergonic reactions such as the conversion of glucose to glucose-6-phosphate are coupled with highly exergonic reactions such as the hydrolysis of ATP to ADP such that the overall reaction is exergonic and therefore spontaneous.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Reactions of glycolysis and gluconeogenesis. Reactions of glycolysis and gluconeogenesis.
Energy changes in reactions. Energy changes in reactions.
First reaction requires thiamine pyrophosphate as a coenzyme First reaction requires thiamine pyrophosphate as a coenzyme
Comparison of C-C bond cleavage in transketolase and transaldolase reactions Comparison of C-C bond cleavage in transketolase and transaldolase reactions
Weight management is such a hot topic in the United States that it is frequently Weight management is such a hot topic in the United States that it is frequently
Blunt Cardiac Injury Most Frequently Affects the Right Atrium and Ventricle as They Collide with the Blunt Cardiac Injury Most Frequently Affects the Right Atrium and Ventricle as They Collide with the
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library