What is an enzyme?
A. Bio Catalyst
B. Hormone
C. Gland
D. None of these
Correct Answer: A. Bio Catalyst
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A. Bio Catalyst
B. Hormone
C. Gland
D. None of these
A. Freshwater
B. Terrestrial
C. Marine
D. Both freshwater and terrestrial
A. Circulation of blood
B. Movement and feeding
C. Excretion
D. Respiration
A. Cornea
B. Retina
C. Lens
D. Optic nerve
A. Vitreous humor
B. Aqueous humor
C. Retina
D. Crystalline lens
A. To protect the eye
B. To focus light onto the retina
C. To control the amount of light entering the eye
D. All of the above
A. They create the electrical charge of the impulse
B. They transmit the impulse across the synapse
C. They control the strength of the impulse
D. They regulate the frequency of impulses