Questão 1
Questão
Ethanol ______ the heart rate of the Daphnia while caffeine ______ the heart rate of the Daphnia.
Responda
-
increased, decreased
-
decreased, increased
Questão 2
Questão
What is the mean, mode, median and range of a given set of data?
Responda
-
mean = average, mode= most often recurring data, median= middle number in a data set when put in order from highest to lowest, range= the difference between the highest and lowest value
-
mean= difference b/t the highest and lowest values, mode= average, median= most often reoccuring value, range= the middle number in a data set when in order from higest to lowest
Questão 3
Questão
An independent variable is changed and controlled in an experiment.
Questão 4
Questão
Dependant variables are ____ in lab 1
Responda
-
controlled and changed in an experimnet
-
the variables being measured and tested in an experiment
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the caffeine/ethanol in the Daphnia experiment
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The heart rate of the Daphnia during each phase of the experiment
Questão 5
Questão
Osmosis is _______
Responda
-
the net movement of molecules from an area of higher concentration to an area of lower concentration, going "down a gradient"
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the net movement of water across a selectively-permiable membrane from an are of higher molecular activity to a region of lower molecular activity.
-
the movement of molecules into an area of water with higher molecular activity
Questão 6
Questão
Enzymes are ____________
Responda
-
proteins that act as catalysts and make reactions faster by lowering activation energy of the reactants so that the products are produced faster
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used to bind proteins together to form a chain
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not consumed but reused by substrates
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denatured when the temperature is too high
Questão 7
Questão
In lab 6 the we used ______ as the enzyme.
Responda
-
catechol oxidase
-
hydroquinone
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par-hydroxybenzaldehyde
Questão 8
Questão
in lab six which of the following substrates were used?
Questão 9
Questão
Benzoquinone is the product used in lab 6.
Questão 10
Questão
In lab 6 temperature affected the enzyme activity how?
Responda
-
The temperature with the maximum of activity was 60 degrees.
-
the oxidation increased and the solutions hit maximum activity at 40 degrees
-
the color of the solutions were lightened
-
there was no effect on the solutions
Questão 11
Questão
in lab 6 the effects of pH were
Questão 12
Questão
In lab 5 the which of the following bags lost weight?
Responda
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dH2O in a dH2O solution
-
dH2O in a 15% NaCl solution
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dH2O in a 30% NaCl solution
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15% NaCl in a dH2O solution
-
30% NaCl in a dH2O solution
Questão 13
Questão
In lab 5 which of the following bags gained weight?
Responda
-
dH2O in a dH2O solution
-
dH2O in a 15% NaCl solution
-
dH2O in a 30% NaCl solution
-
15% NaCl in a dH2O solution
-
30% NaCl in a dH2O solution
Questão 14
Questão
what type of solutions gained weight in lab 5 bags, and why?
Responda
-
hypotonic solution because the lower concentration of the outer solution made the water flow into the bag
-
hypotonic solution because the lower concentration of outer solution made the water flow out of the bag
-
hypertonic solution because the water flows out into the lower concentrated solution
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hypertonic because the water fows into the lower concentraed solution
Questão 15
Questão
in lab 5 the hypotonic solutions lost weight because the solution outside the bags were lower concentrated and caused the water to flow out og the bags.
Questão 16
Questão
The salt solution plasmolyzed the Elodea in lab 5 because it was
Responda
-
a hypertonic solution
-
drew water out of the cell
-
caused the membrane to pull away from the cell wall
-
was a hypotonic solution
-
pulled water into the cell
-
caused turgid pressure against the cell wall
Questão 17
Questão
In lab 2 wht did benedict's reagent test for?
Responda
-
reducing sugars
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polysaccharides
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proteins
-
lipids
-
the solubility of lipids
Questão 18
Questão
What did iodine test for in lab 2?
Responda
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reducing sugars
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starch
-
proteins
-
lipids
-
teh solubility of lipids
Questão 19
Questão
Biuret reagent was used to test for what in lab 2?
Responda
-
reducing sugars
-
starch
-
proteins
-
lipids
-
the solubility of lipids
Questão 20
Questão
In lab 2 brown paper was used to test for____?
Responda
-
reducing sugars
-
starch
-
proteins
-
lipids
-
the solubility of lipids
Questão 21
Questão
in lab 2 vegetable oil was used to test for?
Responda
-
proteins
-
starch
-
reducing sugars
-
lipids
-
the solubility of lipids
Questão 22
Questão
what did the positive test for benedicts reagent look like in lab 2?
Responda
-
yellow
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green
-
orange-red
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yellow-orange
-
orange
Questão 23
Questão
what did the positive result for iodine test look like in lab 2?
Responda
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dark purple/blue/black
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light red-brown
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yellow-brown
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orange
-
dark green
Questão 24
Questão
what did the positive test for the biuret reagent look like in lab 2?
Questão 25
Questão
what did the positive result for the brown paper test look like?
Responda
-
the sample is still in tact
-
there is little specimen left
-
there is about half the specimen left
Questão 26
Questão
the results of the vegetable oil test looked______ is positive?
Responda
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1 layer
-
2 layers
-
3 layers
-
no layers
-
4 layers
Questão 27
Questão
aerobic respiration _______?
Responda
-
has several stages
-
has few stages
-
these stages take place in the cytoplasm and mitochondria
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these stages take place in the endoplasmic reticullum and the golgi aparatus
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requires oxygen
-
breaks down glucose into 2 pyruvates
-
mitochondrion turns the pyruvates into NADH and FADH2 by the Krebs cycle and oxidizes a carbon
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NADh and FADH2 go to the electron transport system and give their electons which are passed throuhg coenzymes and cytochroms in the membrane and converted into ATP
Questão 28
Questão
Fermentation ________?
Responda
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requires oxygen
-
does not require oxygen
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alcohol fermentation produces 2 molecule of ethanol, 2 molecules of CO2, and and 2 molecules of ATP for each glucose molecule that enters glycolysis
-
lactic acid fermentation produces 2 ATp and 2 lactate molecules
-
can be used to make cheese, yofurt, etc
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alcohol fermentation- 2 ethanol, 2 CO2 and 3 ATPfor each glucose
Questão 29
Questão
what does the heat of respiration represent?
Responda
-
the germination of the beans
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the energy being produced
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the residual products being released
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the water being evaporated
Questão 30
Questão
The plants gave off more CO2 when raised in the dark due to the lack of photosynthesis occuring because there was no access to the light neccessary.
Questão 31
Questão
What is the labelled portion of the below Daphnia?
Questão 32
Questão
What is the below portion of the daphnia?
Responda
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heart
-
antennae
-
eyes
-
ovary
Questão 33
Questão
what part is labeled?
Questão 34
Questão
which part is labeled?
Questão 35
Questão
Which oart is labeled below?
Responda
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ovary
-
brooding chamber
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heart
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compound eye
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antennae
Questão 36
Questão
what is the labeled part?
Responda
-
brooding chamber
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ovary
-
heart
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compound eye
-
antennae
Questão 37
Responda
-
maxillary gland
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intestine
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compound eye
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ovary
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heart
-
occellus
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filtering setae
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antennae
-
filtering setaee
Questão 38
Questão
what are the parts of the dissecting microscope?
Responda
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focusing knob
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objective
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knurled ring
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eyepieces
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illuminator
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stage
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illuminator switch
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base
Questão 39
Questão
how does chromatography paper work?
Responda
-
it has fibers of a certain size that pigments can travel down if they are soluable in the solvent used
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depending on the solvent some pigments will move farther than others causing layers of colors on the paper due to their solubility and their ability to soak into the paper
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you pour a solvent on the paper and place small specimens on top which then leach their pigment into the paper for different results
Questão 40
Questão
name the labeled hydroxyl groups.
Responda
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Phosphate
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carbonyl
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carboxyl
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amino
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sulfhydryl
-
hydroxyl
Questão 41
Questão
which of the followng pigments were seperated in lab 8?
Responda
-
carotene
-
chlohrophyl A
-
chlohrophyl B
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xanthiphyll
-
all of the above
-
hemoglobin
Questão 42
Questão
labelthe types of bacteria.
Questão 43
Questão 44
Questão
label the parts of the compound microscope.
Responda
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objective
-
base illuminator
-
slide holding clip
-
arm
-
stage adjustment arms
-
condenser adjustment knob
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coarse adjustment knob (see far side)
-
fine focusing knob
-
condenser light switch
-
inclined eyepieces (can have vertical)
-
pointer adjustment knob
-
body tube
-
revolving nosepiece
-
stage
-
iris diaphragm lever
Questão 45
Questão
How do you estimate the width of a specimen based off of the diameter of field on a compound microscope?
Responda
-
You take the specimen and place it all the way to the left then move the edge that was against the left of the field of vision to where the right edge of the specimen just was. Continue this until the specimen reahes the right and divide the width of the field of vision by the number of times it took to get the specimen all the way across the field of vision.
-
You take the specimen and place it all the way to the right then move the edge that was against the middle of the field of vision to where the front edge of the specimen just was. Continue this until the specimen reahes the right and divide the width of the field of vision by the number of times it took to get the specimen all the way across the field of vision.
Questão 46
Questão
to change from Farenheit to Celsius you use the formula [blank_start]9/5C+32[blank_end]
to change from Celsius to Farenheit you use the formula [blank_start]5/9(F-32)[blank_end]
Questão 47
Questão
To convert metric units you take the unit given and move the decimal place according to directions. If the unit they want is a [blank_start]smaller[blank_end] unit than you start with your result should be larger then when you started. If the unit you started with is [blank_start]larger[blank_end] than the unit they want you answer should be smaller then when you began. The units go: [blank_start]Kilo[blank_end], [blank_start]Hecto[blank_end], [blank_start]Deka[blank_end], [blank_start]Unit(base)[blank_end], [blank_start]Deci[blank_end], [blank_start]Centi[blank_end], [blank_start]Milli[blank_end]; in order from largest to smallest.
Responda
-
smaller
-
larger
-
Kilo
-
Hecto
-
Deka
-
Unit(base)
-
Deci
-
Centi
-
Milli
Questão 48
Questão
Which f the following is the magnification equation?
Questão 49
Questão
(resolution)R=[0.61 x lambda (wavelength of light)]/N.A. (numerical aperture of objective lens)
^^ is the reolution equation
Questão 50
Questão
the numerical apertures of our microscopes are
Questão 51
Questão
What colors are useful for photosynthesis?
Responda
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green
-
blue
-
yellow
-
violet
-
red
-
all of the above
-
all colors excpet green
Questão 52
Questão
[blank_start]Reflected light[blank_end] is not useful to photosynthesis and you can see these colors.
[blank_start]Absorbed light[blank_end] is the light that is useful to photosynthesis and you cannot see these colors.
Responda
-
Reflected light
-
phosphorescents
-
Absorbed light
-
fluorescent light
Questão 53
Questão
CO2 is related to photosynthesis in which of the following ways?
Questão 54
Questão
[blank_start]diploid[blank_end] cells are called [blank_start]somatic cells[blank_end] and are expressed as [blank_start]2n[blank_end]
[blank_start]haploid[blank_end] cells are called [blank_start]gametes[blank_end] and are expresses as [blank_start]n[blank_end]
Responda
-
diploid
-
haploid
-
somatic cells
-
gametes
-
2n
-
n
Questão 55
Questão
[blank_start]homozygous dominant[blank_end] Two dominant alleles
[blank_start]heterozygous[blank_end] One dominant allele one dominant
[blank_start]homozygous recessive[blank_end] Two recessive alleles
[blank_start]allele[blank_end] A gene
[blank_start]genotype[blank_end] The combination of alleles
[blank_start]phenotype[blank_end] The physical attributes portrayed
Responda
-
heterozygous
-
homozygous recessive
-
homozygous dominant
-
allele
-
genotype
-
phenotype
Questão 56
Questão
An X-linked trait is an attribute that is only passed on from an allele on the Y chromosome.
Questão 57
Questão
In an electrophoresis the farther right the sample moves the more _______ it is.
Questão 58
Questão
Sickle cell blood is ______negative
Questão 59
Questão
Sikle cell anemia is an abnormal blood shape where the bllod cell
Responda
-
is curved like a cresent moon
-
is full and round
-
is square
-
is less negative
-
moves towards the left of the electrophoresis
-
is more negative
-
moves towars the right of the electrophoresis
-
has a genotype of H^s H^s
-
can behave as a carrier and only portray some symptoms of the disease by having the genotype H^A H^S
-
Has a genotype of H^A H^A
Questão 60
Questão
Check all that applies to the bottleneck effect
Responda
-
example of genetic drift
-
population is reduced quickly
-
rare alleles can become more common in the smaller population than they were in the original population
-
some alleles can b e eradicated completely
-
some can become fixed 9the only allele left/available
Questão 61
Questão
in which ways does non-random mating effect genotype frequencies?