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BIOLOGY -MODULE 2 > Biological Elements > Flashcards

Biological Elements Flashcards

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1
Q

Elements ?

A

Differnent types of atoms

Distinguishable by the number of protons in their atomic nuclei

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2
Q

What are all living things made of primarily?(elements)

A

Carbon nitrogen, hydrogen and oxygen

Phosphorus and sulphur, sodium potassium , calcium and iron are also important in biochem of cells

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3
Q

BONDING - oxygen

A

2 bonds

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4
Q

Bonding - carbon

A

4 bonds

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5
Q

Bonding nitrogen -

A

3 bonds

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6
Q

Hydrogen - bonding

A

1 Bond

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7
Q

Role of calcium ions

A

Nerve impulse transmission
Muscle contraction
Bone formation

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8
Q

Sodium ion role

A

Nerve impulse transmission

Kidney function

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9
Q

Potassium ions function

A

Nerve impulse transmission

Stomata opening

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10
Q

Hydrogen ions roles

A

Catalysis of reactions

Ph determination

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11
Q

Ammonium ions role

A

Production of nitrate ions by bacteria

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12
Q

Role of nitrate ions

A

Nitrogen apply to plants for amino acid and protein production

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13
Q

Hydrogen carbonate anions - role

A

Maintenance of blood pH

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14
Q

Chloride ions - role (anion)

A

Balance protein charge of sodium and potassium ions in cells

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15
Q

Phosphate ions - role

A

Cell membrane formation
Nuclei can acid and ATM formation
Bone formation

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16
Q

Hydroxide ions role

A

Catalysis of reactions

PH determination

17
Q

What are carbohydrates made from

A

C,H,O

18
Q

WHAT ARE lipids made from

A

C,H,O

19
Q

What are protiens made form

A

C,H,N,O,S

20
Q

What are nuclei can acids made from

A

C,H,O,N,P

21
Q

What are macromolecules

A

LARGE molecules

NOT polymers

22
Q

Wat are condensation reactions

A

Polymer made
Water molecule released
Covalent bond formed
Product is larger

23
Q

What are hydrolysis reactions

A

Breaking polymers
Water molecule added
Covalent bond broken
Product = smaller molecules

BIOLOGY -MODULE 2 (24 decks)

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