Error Log Flashcards

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1
Q

Structural role of lipids

A

Found in membranes, or for insulation

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2
Q

Community

A

All the organism in an area

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3
Q

Define Population

A

All the organisms of the same species in an area

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4
Q

Define qualitative study

A

Presence or absence of species

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5
Q

How does unequal conc. of auxin effect growth of shoot or root

A

Shoot: Higher conc = higher rate of cell division
Root: Higher conc = lower rate of cell division

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6
Q

Use of auxin

A

Promote ripening of fruit

Seedless fruit

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7
Q

How do you test for the presence of alcohol?

A

Iodoform test or sodium hypochlorite and potassium iodide

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8
Q

How do you calculate magnifying power of a microscope?

A

Eyepiece lens x objective lens

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9
Q

Why should brown paper dry out in the fat test?

A

To ensure the stain is not water

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10
Q

Why do you choose this aquatic plants?

A

Bubbles can be seen when submerged in water

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11
Q

How are plates stored until yeast is visible?

A

Right side up
In incubator
For 2-7 days

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12
Q

What happens to enzyme activity when outside optimum pH.

A

Activity reduced, active shape has lost its shape and become denatured

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13
Q

Advantages of immobilized enzymes?

A

Reusable

Allows for continuous flwo process

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14
Q

Role of dendrites

A

Carries impulse to the cell body

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15
Q

Role of axon

A

Carries impulse away from cell body

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16
Q

Explain enzyme specificity with reference to the active site

A

Only one substrate fits the active site

17
Q

Name the biological entity that contains only one nucleic acid.

A

Viruses

18
Q

Explain how the results of the cross in (ii) above would differ if the genes for height and seed colour were linked.

A

Less variation