(1st pp)Theroy-Ph Flashcards

(39 cards)

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 #

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

25
What makes a covalent bonds polar
If one Adam is more electronegative than the other
26
What specifically water polar
``` the shape( two hydrogens on one side) Partial negative charge on the OXYGEN side Partial positive charge on the hydrogen site ```
27
What are ionic bonds
The form between a positively charged cation negatively charge anion
28
Ionic bonds strong or weak in or out of water
strong without water weak in the water think of salt
29
What are hydrogen bonds
between already bonded molecules | between other hydrogen molecules with weak bonds
30
Hydrogen bonds strong or weak
Weak
31
What is responsible for water being an good solevent
h-bonds
32
What is cohesion
What's your sticking together because of (hydrogen bonds with one another)
33
What is adhesion
Water being attracted to other substances because of ionic or polar regions
34
Does the high specific heat of water help
1 help maintain constant internal temperature in organisms | 2 stabilizes temperature of large bodies of water affects climate
35
What does Waters high heat vaporization mean
That hydrogen bonds must break and that's the molecules carry heat causing evaporative cooling
36
What makes ice. less dence than liquid water
H-bonds
37
what does going from ice to gas in water mean for hydrogen bonds
moore bonds when solid few in gas
38
What is an acidic soluion
ph less than 7 | more hydrogen ions
39
A basic PH
more than 7 | more hydroxid ion