EASY
Earn 100

What is catabolism and anabolism?

Important Questions on Life Processes

HARD

Find out where transketolase and epimerase reactions occur among the following:

i) G-3-P+DHAP Fructose -1-6- bisphosphate

ii) Sedoheptulose- 7- Phosphate +G-3-P Xylulose -5-P+ Ribose -5- Phosphate

iii) Ribose -5- Phosphate Ribulose -5- Phosphate

iv) Xylulose -5 -Phosphate  Ribulose-5 - Phosphate

v) Fructose - 6 -Phosphate +G-3-P Xylulose- 5 -Phosphate + Erythrose -4-Phosphate

The correct combination is

EASY
Assertion (A): Respiratory pathway is amphibolic pathway.
Reason (R): Respiratory pathway is involved in both anabolism and catabolism.
HARD

For the Amphibolic pathway, choose the correct option of true assertions from the given assertions. 

(I) Lipid enters the first stage of the respiratory pathway.

(II) The conversion of carbohydrates into glucose, before their entry into respiration is not compulsory.

(III) Protein enters into the respiratory pathway in the form of Pyruvic acid.

(IV) Oxidation and formation of lipid and protein, these two events take place.

MEDIUM
Choose the correct statements regarding entry of substrates into respiratory pathway.
A) The amino acids will be formed by protease activity on proteins.
B) Carbohydrates will be converted into glucose for entry.
C) Amino acids will enter as pyruvate or acetyl COA.
D) Fatty acids will be entered as PGAL.
MEDIUM
Which of the following statements regarding metabolic pathways is incorrect?
EASY
Aerobic respiratory pathway is appropriately termed
EASY
During amphibolic pathways, Acetyl Co-A can perform the biosynthesis of :-
 
MEDIUM
Respiratory pathway is believed to be a catabolic pathway. However, nature of TCA cycle is amphibolic. Explain.
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
Fat prior to its oxidation associate with
EASY
Why is Krebs cycle referred as amphibolic pathway?
EASY
Which of the following biomolecule is common to respiration-mediated breakdown of fats, carbohydrates and proteins?
MEDIUM
Which of the following justifies the amphibolic nature of respiratory pathway rather than a purely catabolic one?
EASY
Glycerol would enter the respiratory pathway only after being converted to-
EASY
In pentose phosphate pathway which process is lacking
MEDIUM
 Discuss. "The respiratory pathway is an amphibolic pathway".
MEDIUM
Respiration is a catabolic process. Comment.
EASY
Respiratory pathway is believed to be a catabolic pathway. However, nature of TCA cycle is amphibolic. Explain.
EASY
Why is respiratory pathway referred to as an amphibolic pathway? Explain.
HARD
Refer to the given figure and select the correct option for A, B, C and D.
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