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H Bio (Trad) - Unit 3 > Growth & Genetic (1) > Flashcards

Growth & Genetic (1) Flashcards

1
Q

Meristems

A

Regions of cell division in plants

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2
Q

Cambium

A

Lateral meristem in woody stems

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3
Q

Spring Xylem

A

Part of annual ring which has wide vessels with thin walls

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4
Q

Summer Xylem

A

Region of annual ring with narrow vessels with thick lignified walls

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5
Q

Annual Ring

A

Region of xylem in a woody stem representing 1 year’s growth

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6
Q

Growth pattern of an annual plant

A
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7
Q

Growth pattern of a perennial plant (tree)

A
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8
Q

Growth pattern of an insect

A
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9
Q

Growth pattern of a human

A
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10
Q

Mammals limited, angiosperms extensive

A

Extent of powers of regeneration in mammals and angiosperms

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11
Q

Regulator Gene

A

Codes for repressor protein

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12
Q

Repressor protein

A

Coded for by regulator gene and binds to operator in absence of lactose

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13
Q

Operator

A

Switches on structural gene

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14
Q

Structural Gene

A

Codes for galactosidase

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15
Q

Galactosidase

A

Enzyme coded for by structural gene and breaks down lactose

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16
Q

Saves energy and resources

A

Advantage to E.coli of gene action in lactose metabolism

17
Q

Lactose

A

Inducer molecule in Jacob-Monod hypothesis

18
Q

Metabolic Pathway

A

Series of reactions controlled by enzymes

19
Q

Phenylketonuria (PKU)

A

Inability to metabolise phenylalanine due to a gene mutation

20
Q

Genes being switched on or off

A

What controls cell differentiation?

21
Q

Regions of cell division in plants

22
Q

Lateral meristem in woody stems

23
Q

Part of annual ring which has wide vessels with thin walls

A

Spring Xylem

24
Q

Region of annual ring with narrow vessels with thick lignified walls

A

Summer Xylem

25
Q
A

Growth pattern of an annual plant

26
Q
A

Growth pattern of a perennial plant (tree)

27
Q
A

Growth pattern of an insect

28
Q
A

Growth pattern of a human

29
Q

Codes for repressor protein

A

Regulator Gene

30
Q

Coded for by regulator gene and binds to operator in absence of lactose

A

Repressor protein

31
Q

Switches on structural gene

32
Q

Codes for galactosidase

A

Structural Gene

33
Q

Series of reactions controlled by enzymes

A

Metabolic Pathway

34
Q

What controls cell differentiation?

A

Genes being switched on or off

H Bio (Trad) - Unit 3 (5 decks)

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