NEW
Font size
WorksheetsQuiz on Transport Mechanisms and Copper
Total questions: 20
Worksheet time: 10mins
Passive transport requires?
Energy
Carrier protein
ATP
None of the above
Which is an example of passive transport?
Endocytosis
Na⁺/K⁺ pump
Osmosis
Phagocytosis
Selectivity of membrane transport depends on?
Lipid solubility only
Charge only
Size and charge of molecule
Concentration only
Which of the following is a uniport transporter?
Na⁺/K⁺ ATPase
GLUT1
Sodium-glucose symporter
H⁺/K⁺ exchanger
Symport transports?
One molecule at a time
Molecules in opposite direction
Molecules in same direction
Molecules without gradient
Antiport is best exemplified by?
GLUT4
SGLT-1
Na⁺/K⁺ ATPase
Aquaporins
Copper is primarily absorbed in the?
Stomach
Duodenum
Jejunum
Colon
Daily recommended intake (RDA) of copper in adults is?
0.1–0.3 mg/day
0.5–1 mg/day
2–3 mg/day
8–10 mg/day
Copper is required for the activity of?
Catalase
Cytochrome oxidase
Pepsin
Trypsin
Copper deficiency leads to?
Wilson's disease
Menkes disease
Goitre
Rickets
Wilson’s disease is due to?
Increased ceruloplasmin
Decreased iron absorption
Copper accumulation
Calcium deficiency
In Wilson’s disease, copper accumulates in?
Liver only
Kidney and heart
Brain and liver
Intestine
Menkes disease is caused by?
Copper overload
Defective copper absorption
Iron deficiency
Magnesium excess
Iodine deficiency leads to?
Night blindness
Rickets
Goitre
Pellagra
Zinc deficiency causes?
Cretinism
Pernicious anemia
Delayed wound healing
Scurvy
Keshan disease is associated with deficiency of?
Zinc
Copper
Fluorine
Selenium
Source of fluoride includes?
Salt
Sugar
Oil
Meat
Fluoride toxicity causes?
Goitre
Fluorosis
Scurvy
Anemia
Ceruloplasmin is a transporter of?
Iron
Zinc
Copper
Calcium
Ceruloplasmin is synthesized in the?
Kidney
Pancreas
Liver
Intestine
