The process of conversion of harmful ammonia into urea within the liver cells during ornithine cycle is known as
ammonification
excretion
deaminations
transamination
Correct Answer :
D. transamination
Related Questions
The enzymes of glycolysis are present in
matrix of mitochondria
cell cytoplasm
cell membrane
mitochondrial membrane
Quick energy we get, is stored in the form of
Glucose
ADP
ATP
DNA
Which of the following activities does not depend upon availability of ATP ?
Beating of heart
Activity of brain
Combination of O2 with haemoglobin to form oxyhaemoglobin
Maintenance of body temperature
The major site of gluconeogenesis is
muscles
kidney
liver
brain
Pyruvic acid before combining with oxato-acetic acid formed in citric acid cycle becomes
lactic acid
acetyl Co-A
malic acid
glycerol
On an average, adult human needs roughly one kilo colorie per kg
per day
per hour
per minute
per second
The average calorific value of 1 gm of protein foods is
4 calories
4 kilo calories
9 calories
9 kilo calories
The reactions of Kreb's cycle are
reversible
irreversible
monotonic
anaerobic
During Kreb's cycle, the succinic acid in presence of enzyme succinic dehydrogenase is oxidised into
fumaric acid
malic acid
oxalo-acetic acid
succinate Co-A
The process of conversion of harmful ammonia into urea within the liver cells during ornithine cycle is known as
ammonification
excretion
deaminations
transamination
Which one of the following will lose more water on oxidation ?
Sugars
Starch
Protons
Fats
Fat formation from glucsoe takes place in order to
remove excess from circulation
keep the blood sugar level constant
relieve liver from excess glycogen
all of these
The metabolic rate is lowered in which of the following conditions ?
in animals with large surface area per kilogram body weight
in fever
a decrease in external temperature
hypersecretion of thyroxine
During glycogenesis, the glucose 6-phos-phate is changed into glucose 1-phosphate in the presence of an enzyme called
hexokinase
phosphoglucomutase
phosphorylase
phosphofructo kinase
Meeting point of all metabolic pathways is
lactic acid
citric acid
arginase
acetyl CoA
The breaking down of organic compounds and liberation of energy is
metabolism
anabolism
catabolism
cannibalism
Lipogenesis occurs in the body when
liver and muscles are saturated with glycogen
blood sugar level is constant
glucose combines with glucose
none of these
In the process of glycolysis, two ATP molecules are consumed and the number
4
6
2
3
In mammals, carbohydrates are stored in the form of
glucose in liver
glycogen in liver and muscles
glycogen in muscles
lactic acid in spleen
Total number of ATP molecules produced by one mole of glucose upon its complete oxidation in the body is
28
30
38
60
In endotherms the main source of body heat is
basal metabolic rate
stomach and intestine
liver
cellular respiration
Basal metabolic rate refers to measurements of energy output when the individual
performs its normal daily routine
is awake but resting and fasting
is awake, resting and fasting and kept in an equable temperature
is asleep, and completely at rest
Kreb's cycle is associated with
fermentation
photosynthesis
aerobic respiration
anaerobic respiration
Increased heat production is caused in humans by increased activity of
liver
brain
heart
skeletal muscle
Enzymes, vitamins and hormones can be j classified under one catagory of biological chemicals because all of these
are proteinaceous in nature
aid in regulating metabolism
are synthesized within the body of organisms
enhance the oxidative metabolism
Fats are synthesised in
liver
adipose tissue
muscles
intestine
Steroids are
soluble in saline solution
soluble in fats
insoluble in fats
none of these
In aerobic respiration
glucose is the only substrate
glucose is the preferred substrate
glucose cannot be used directly
any material which burns in air can be a substrate
100 grams of carbohydrate when consumed by our body will release
100 kilo calories
200 kilo calories
300 kilo calories
400 kilo calories
Which term is not applicable to Kreb's cycle in aerobic respiration?
Glucose
Pyruvic acid
PGA
Citric acid