Question # 1

............... is abbreviated from Adenosine Tri Phosphate.

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ATP

ADP

AMP

All

The wavelike movement of muscle that pushes food through the digestive system is called:

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Chemical digestion

Emulsification

Absorption

Paristalsis

Which one of the following is specific in action ?

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Catalyst

Enzyme

Both

None

What is true about cofactors?

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Break hydrogen bonds in proteins

Help facilitate enzyme activity

Increase activation energy

Are composed of proteins

In which stage of the cell cycle, the cell is preparing enzymes for chromosome duplication.

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G1

G2

S

M

Species that are in same ____________ are more closely related than species that are in the same _____________

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Phylum ........ Class

Family... Order

Class... Order

Family....Genus

Chloroplast helps in _______________

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Photosynthesis

Respiration

Brething

Digestion

How many elements maek 99% of the total mass.

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Four

Six

Eight

Ten

Ribosomes are formed in :

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Nucleus

Cytoplasm

Nucleolus

All

Bark of quina - quina was imported form:

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Europe

America

Sapin

India

Cells walls are found in these organisms, except for______.

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Plants

Animals

Bacteria

Fungi

Down's syndrome is case of .................. .

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Autosomy

Monosomy

Trisomy

Tetrasomy

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

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