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1
Q

define density

A

how heavy something is for its size

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2
Q

Celsius of boiling water

A

100C

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3
Q

Celsius human body temp

A

37C

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4
Q

Fahrenheit of boiling water

A

212F

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5
Q

Fahrenheit normal room temp

A

72F

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6
Q

Celsius of freezing water

A

0C

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7
Q

Celsius of normal room temp

A

22C

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8
Q

Fahrenheit of freezing water

A

32F

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9
Q

Fahrenheit human body temp

A

98.6F

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10
Q

what are the four general parts of the scientific method?

A

observation, questioning, hypothesis, logical investigation

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11
Q

what is the difference between a theory and a hypothesis

A

theory is well tested while a hypothesis is unproven

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12
Q

why is “it’s just a theory” misleading?

A

people usually say it as if it’s false

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13
Q

what is a conflict of interest?

A

when a person’s interests could interfere with their judgment, decisions, or actions in the workplace.

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14
Q

example of a conflict of interest

A

being a judge or jury for a family member in court

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15
Q

five themes of biology

A

evolution, interdependence, unity in the Diversity, homeostasis, and structure=function

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16
Q

how is unity with diversity represented?

A

tree of life

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17
Q

define abiotic

A

non-living

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18
Q

homeostasis

A

too much is bad, too little is bad

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19
Q

examples of homeostasis

A

salt and fat

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20
Q

define bond

A

the attraction between ions or atoms

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21
Q

What is the secret to a healthy diet

A

calories consumed = calories burned

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22
Q

what is a calorie?

A

a measurement unit

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23
Q

define organic

A

made of carbon

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24
Q

simple formula for glucose

A

C6H12O6

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25
cell theory
1. all living things are made up of one or more cells 2. cells are the basic unit of structure and function 3. cells come from existing cells
26
what is the difference between prokaryotic & eukaryotic cells
prokaryotic = no nucleus, no organelles, smaller eukaryotic = nucleus, organelles, larger
27
why is prokaryotic a good term for what it describes
because pro means before and kary means nucleus
28
chemical formula for cellular respiration in symbols
CO2 + H2O + energy
29
chemical formula for cellular respiration in words
takes glucose, glucose reacts with oxygen, releases carbon dioxide, water and energy
30
why do you need oxygen to stay alive?
glucose and oxygen have to be present for our body to have energy
31
how many total cells do humans have?
approx. 35-70 trillion cells
32
how many diff cells do humans have?
260
33
3 way proteins can be diff from each other
N - number of amino acids T - types of amino acids A - arrangement of amino acids
34
how is DNA diff from RNA?
DNA is longer, double-stranded, and stays in the nucleus RNA is shorter, single-stranded, and diff types travels out the nucleus
35
why must cells remain small?
maximize their ratio of surface area to volume.
36
what is a nucleotide
basic building block of nucleic acids (DNA & RNA)
37
what are nucleotides made of
Sugar, Nitrogenous Base., Phosphate Group.
38
are all calories created equal?
yes and no, increased amount of different foods led to different outcomes on the scale
39
is there a single superfood
no
40
surface area to volume example
they serve 2 smaller patties b/c twice as much heat can enter and that is doubling the surface area
41
ways to maintain a healthy diet
eat in moderation, choose natural-looking food, be an omnivore, get exercise
42
what is the licensing effect
giving yourself permission to do unhealthy things
43
what were the authors? personal results with the licensing effect
he felt virtuous
44
what are the main points of the movie Farm Inc.
1. the way we eat has changed in the last 50 years 2. animals and farmers are being abused 3. Top 4 meat companies control 80% of our foods 4. Corn is in everything 5. Income is the #1 predictor of obesity
45
define diffusion
movement of molecules from an area of high concentration to lower concentration (perfume)
46
define osmosis
diffusion of water
47
define solute
the substance that is dissolved (added)
48
define solvent
the substance in which the solute dissolves (what the solute was added to)
49
define hypertonic
the solution with the greater concentration of solutes
50
define hypotonic
the solution with the lesser concentration of solutes
51
isotonic
the solution with the equal concentration of solutes
52
what is the relationship between diffusion and osmosis?
osmosis is a type of diffusion
53
examples of diffusion
perfume
54
how are plant cells different from animal cells?
plant cells have a cell wall
55
photosynthesis in words
plants transform light energy into chemical energy
56
photosynthesis formula
6CO2 + 6H2O → C6H12O6 + 6O2
57
what are the two general subprocesses cellular respiration can be divided into
glycolysis & aerobic respiration
58
3 differences between glycolysis & aerobic respiration
glycolysis can survive without oxygen,
59
define gamete
reproductive cell of an animal or plant
60
define zygote
fertilized egg cell that results from the union of a female gamete (egg, or ovum) with a male gamete (sperm)
61
define chromatin
complex of DNA and protein found in eukaryotic cells
62
define chromosomes
rod shaped structures made of DNA and proteins
63
define autosome
any chromosome not considered a sex chromosome
64
what is the difference between mitosis and meiosis?
mitosis produces all body cells, but meiosis creates only germ cells

honors biology s1 & s2 (15 decks)

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