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Bio 121 > (1st pp)Theroy-Ph > Flashcards

(1st pp)Theroy-Ph Flashcards

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Biology 101 flashcards
1
Q

What are the five main things theories include

A

Facts
inferences
laws
hypotheses and other theories

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2
Q

What animal is most closely related to the

1) sea otter
2) Dugong
3) lemur

A

1ferret
2elephant
3humaan

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3
Q

What does evolutionary theory explain

A

Patterns of unity and diverseity in the living organisms
similar traits among organisms
and heritable changes

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4
Q

Hardy Weinberg equation

A

p^2+2pq+q^2=1 and p+q=1

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5
Q

What does Hardy Weinberg law state

A

That allele frequencies in a population will stay the same unless something causes them to change

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6
Q

What is something that “proves” thories

A

that we can predictt outcomes from then ex gravity on the moon or genetic diveristy

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7
Q

theme; evolution accounts for _______and _______ __ ___

A

unity , diverity of life

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8
Q

Theme; ____ requires energy ________ and __________

A

life, tranfer, transformation

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9
Q

Theme; organisms interact with ____ and ________ _________

A

other organisms, physical envirornment

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10
Q

Theme; _________ and ________ are correlated at _____________________

A

structure and function, all levels of biological organization

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11
Q

Theme; The Cell is an _______ ______ of structure and function

A

basic unit

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12
Q

Theme; the ________ of life is based on ________ _________ in the fform or ____

A

continuity , heritable informaton , DNA

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13
Q

Theme; _______ _________ regulate biological sys

A

feedback mechanisms

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14
Q

theme; ____ _________ emerge at ____ ______ in the biological hierarchy

A

new properties ,each level

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15
Q

What are emergent properties

A

Result from the arrangement interaction of parts within the system
aka new properties from getting more complex

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16
Q

What are isotopes

A

the same element with different number of neutrons

17
Q

What determines the atomic #

A

of protons

18
Q

____________ ____________ do not distinguish between isotopes

A

chemical processes

19
Q

theory is

A

A well substantited explanation of some aspect of the natural world that can fax instances laws and testing hypotheses and other thories

20
Q

What determines chemical properties in atoms

A

valence electrons

21
Q

What is a compound

A

atoms joined by chemical bonds

22
Q

What’s difference between single covalent bonds and double bonds

A

By the 1electrons/2 ele

23
Q

Covalent bond

A

Shared valence electrons

24
Q

Covalent bonds weak or strong

A

strong

25
Q

What makes a covalent bonds polar

A

If one Adam is more electronegative than the other

26
Q

What specifically water polar

A 
the shape( two hydrogens on one side)
Partial negative charge on the OXYGEN side
Partial positive charge on the hydrogen site
27
Q

What are ionic bonds

A

The form between a positively charged cation negatively charge anion

28
Q

Ionic bonds strong or weak in or out of water

A

strong without water
weak in the water
think of salt

29
Q

What are hydrogen bonds

A

between already bonded molecules

between other hydrogen molecules with weak bonds

30
Q

Hydrogen bonds strong or weak

A

Weak

31
Q

What is responsible for water being an good solevent

A

h-bonds

32
Q

What is cohesion

A

What’s your sticking together because of (hydrogen bonds with one another)

33
Q

What is adhesion

A

Water being attracted to other substances because of ionic or polar regions

34
Q

Does the high specific heat of water help

A

1 help maintain constant internal temperature in organisms

2 stabilizes temperature of large bodies of water affects climate

35
Q

What does Waters high heat vaporization mean

A

That hydrogen bonds must break and that’s the molecules carry heat causing evaporative cooling

36
Q

What makes ice. less dence than liquid water

A

H-bonds

37
Q

what does going from ice to gas in water mean for hydrogen bonds

A

moore bonds when solid few in gas

38
Q

What is an acidic soluion

A

ph less than 7

more hydrogen ions

39
Q

A basic PH

A

more than 7

more hydroxid ion

Bio 121 (12 decks)

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