quiz of Biochemistry

The building of smaller molecules into a larger one is referred to as?

. catabolism

. anabolism

The pathway that active in Neutrophil, macrophages, ovaries and testes

. Beta oxidation

. gluconeogensis

. pentose phosphate pathway

. electron transport

what type of tissue is found in newborn babies and hibernating animals and helps generate heat

. live

. brain

. skeletal muscle

. brow fat

during fasting or starvation, acetyl CoA are converted to

. Beta hydroxybutyrate

. glucose

. lactate

. ethanol

Glycolysis plus the TCA cycle can convert Carbons of glucose to?, storing the energy as ATP,? and ?

. Lactic acid, pyruvate,CO2

. pyruvate,NADh, FADh2

. CO2,NADh,FADh2

. O2, NADh,FADh2

Which of the following statements about mitochondria is FALSE

. contain inner and outer memember

. The region enclosed by the inner membrane is termed the matrix

. They are important site for energy production in cells

. they contain stacked internal thylakoid memberane

high levels of electron transport is present in the

. live

. brain

. testes

. adrenal cortex of the kidney

The final electron acceptor of the electron transport chain is? and it is reduced to?

. O2 and h20

. NADh and NAD

. pyruvate and CO2

. O2 and CO2

TCA occurs in

. Cytosol

. peroxisomes

. mitochondria

. nucleus

which does not occur in mitochondrial electron transport?

. Molecular oxygen is converted to water

. NADh and FAD2 are oxidized

. ADP is converted to ATP

. substrate level phosphorylation

Which of the following is not a precursor of gluconeogenesis

. alanene

. fructose

. lactic acid, pyruvate,CO2

. glycerol

insulin stimulates gluconeogenesis

. True

. False

The malate aspartate shuttle and the glycerol-3-phosphate shuttle are needed because NADh cannot cross the mitochondrial memembrane

. True

. False

What blood type is referred to as the universal recipient?

. A

. B

. AB

. O

glycoconjugates include all of the following

. glycolipid

. glycoprotein

. proteoglycans

. all above

lack of choline will leads to

. hypercholesterolemia

. glaucoma

. fatty liver

. diabetes

Asthma drug like singular block the signal of

. Leukotrienes

. glycoprotein

. glycolipids

. prostoglandins

Eicosanoids are? mediators

. Lipid

. protein

. steroid

. Carbs

? are examples of eicosanoids

prostoglanin synthase inhibited by

. corticosteroids

. cholesterol

. diabetes

. phospholipid

Mucins are high molecular weight? found in mucus

. glycolipids

. leukotrines

. glycoprotein

. proteoglycans

structural component of Connective tissue that lubricate joints are

. glycolipids

. leukotrines

. glycoproteins

. proteoglycans

which does not have a major role in the integration of metabolism

. live

. muscle

. kidney

. adipose

Glycogen is polymer of?

. citrate

. starch

. glucose

. cellulose

anaerobic glycolysis regenerates NAD+ by

. producing lactate

. producing pyruvate

. electron transport

. TCA cycle

Amino acids are building block of

. proteins

. nucleic acid

. glycogen

. polysaccharides

which does not regulate glycolysis

. citrate

. ATP

. F2,6P2

. gyceraldehyde 3 phosphate

Which is not a difference between DNA and RNA

. DNA contains deoxyribose and RNA contains ribose

. RNA is single tranded and DNA is double stranded

. RNA contains thymine and DNA contains Uracil

. DNA contains the genetic code and RNA has 4 types

Triacylglycerols are made up of

. 2 fatty acids and a glycerol

. a fatty acid and a guananie

. 3 fatty acids and a glycogen

. 3 fatty acids and a glycerol

What pathway supplies glucose to the brain during fasting and starvation

. glycolysis

. TCA

. gluconeogensis

. fatty acid oxidation

Glycolysis occurs in what area of the cell

. membrane

. mitochondria

. cytoplasm

ATP is produced during glycolysis during the reaction catalyzed by

. pyruvate kinase

. phosphoenol pyruvate

. hexose

Lactate is the end product of glycolysis in

Prion diseases like Mad cow disease are caused by

. viruses

. bacteria

. proteins

. parasite

The conversion of glucose 6 phosphate to fructose 6 phosphate is carried out by

. an oxidoreductase

. a lyase

. a ligase

. an isomerase

The conversion of hemoglobin Fe2 to Fe3 is ? reaction

. lyase

. ligase

. isomerase

. spontaneous

An enzyme plus its coenzyme complex is referred to as

. holoenzyme

. apoenzyme

. isoenzyme

. oxidoenzyme

The vitamin Thiamine fuctions in

. oxidation reduction reactions

. carbohydrate metabolism

. fatty acid metabolism

. gluconeogenesis

Folate, The precursor of tetrahydrofolate plays a role in

. oxidation reduction reactions

. pyrimidine synthesis

. fatty acid metabolism

. gluconeogenesis

Cytosine is a

. purine

. pyrimidines