Question 1
Question
Ethanol ______ the heart rate of the Daphnia while caffeine ______ the heart rate of the Daphnia.
Answer
-
increased, decreased
-
decreased, increased
Question 2
Question
What is the mean, mode, median and range of a given set of data?
Answer
-
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
Question 3
Question
An independent variable is changed and controlled in an experiment.
Question 4
Question
Dependant variables are ____ in lab 1
Answer
-
controlled and changed in an experimnet
-
the variables being measured and tested in an experiment
-
the caffeine/ethanol in the Daphnia experiment
-
The heart rate of the Daphnia during each phase of the experiment
Question 5
Question
Osmosis is _______
Answer
-
the net movement of molecules from an area of higher concentration to an area of lower concentration, going "down a gradient"
-
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
Question 6
Question
Enzymes are ____________
Answer
-
proteins that act as catalysts and make reactions faster by lowering activation energy of the reactants so that the products are produced faster
-
used to bind proteins together to form a chain
-
not consumed but reused by substrates
-
denatured when the temperature is too high
Question 7
Question
In lab 6 the we used ______ as the enzyme.
Answer
-
catechol oxidase
-
hydroquinone
-
par-hydroxybenzaldehyde
Question 8
Question
in lab six which of the following substrates were used?
Question 9
Question
Benzoquinone is the product used in lab 6.
Question 10
Question
In lab 6 temperature affected the enzyme activity how?
Answer
-
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
Question 11
Question
in lab 6 the effects of pH were
Question 12
Question
In lab 5 the which of the following bags lost weight?
Answer
-
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
Question 13
Question
In lab 5 which of the following bags gained weight?
Answer
-
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
Question 14
Question
what type of solutions gained weight in lab 5 bags, and why?
Answer
-
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
-
hypertonic because the water fows into the lower concentraed solution
Question 15
Question
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.
Question 16
Question
The salt solution plasmolyzed the Elodea in lab 5 because it was
Answer
-
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
Question 17
Question
In lab 2 wht did benedict's reagent test for?
Answer
-
reducing sugars
-
polysaccharides
-
proteins
-
lipids
-
the solubility of lipids
Question 18
Question
What did iodine test for in lab 2?
Answer
-
reducing sugars
-
starch
-
proteins
-
lipids
-
teh solubility of lipids
Question 19
Question
Biuret reagent was used to test for what in lab 2?
Answer
-
reducing sugars
-
starch
-
proteins
-
lipids
-
the solubility of lipids
Question 20
Question
In lab 2 brown paper was used to test for____?
Answer
-
reducing sugars
-
starch
-
proteins
-
lipids
-
the solubility of lipids
Question 21
Question
in lab 2 vegetable oil was used to test for?
Answer
-
proteins
-
starch
-
reducing sugars
-
lipids
-
the solubility of lipids
Question 22
Question
what did the positive test for benedicts reagent look like in lab 2?
Answer
-
yellow
-
green
-
orange-red
-
yellow-orange
-
orange
Question 23
Question
what did the positive result for iodine test look like in lab 2?
Answer
-
dark purple/blue/black
-
light red-brown
-
yellow-brown
-
orange
-
dark green
Question 24
Question
what did the positive test for the biuret reagent look like in lab 2?
Question 25
Question
what did the positive result for the brown paper test look like?
Answer
-
the sample is still in tact
-
there is little specimen left
-
there is about half the specimen left
Question 26
Question
the results of the vegetable oil test looked______ is positive?
Answer
-
1 layer
-
2 layers
-
3 layers
-
no layers
-
4 layers
Question 27
Question
aerobic respiration _______?
Answer
-
has several stages
-
has few stages
-
these stages take place in the cytoplasm and mitochondria
-
these stages take place in the endoplasmic reticullum and the golgi aparatus
-
requires oxygen
-
breaks down glucose into 2 pyruvates
-
mitochondrion turns the pyruvates into NADH and FADH2 by the Krebs cycle and oxidizes a carbon
-
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
Question 28
Question
Fermentation ________?
Answer
-
requires oxygen
-
does not require oxygen
-
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
-
alcohol fermentation- 2 ethanol, 2 CO2 and 3 ATPfor each glucose
Question 29
Question
what does the heat of respiration represent?
Answer
-
the germination of the beans
-
the energy being produced
-
the residual products being released
-
the water being evaporated
Question 30
Question
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.
Question 31
Question
What is the labelled portion of the below Daphnia?
Question 32
Question
What is the below portion of the daphnia?
Answer
-
heart
-
antennae
-
eyes
-
ovary
Question 33
Question
what part is labeled?
Question 34
Question
which part is labeled?
Question 35
Question
Which oart is labeled below?
Answer
-
ovary
-
brooding chamber
-
heart
-
compound eye
-
antennae
Question 36
Question
what is the labeled part?
Answer
-
brooding chamber
-
ovary
-
heart
-
compound eye
-
antennae
Question 37
Answer
-
maxillary gland
-
intestine
-
compound eye
-
ovary
-
heart
-
occellus
-
filtering setae
-
antennae
-
filtering setaee
Question 38
Question
what are the parts of the dissecting microscope?
Answer
-
focusing knob
-
objective
-
knurled ring
-
eyepieces
-
illuminator
-
stage
-
illuminator switch
-
base
Question 39
Question
how does chromatography paper work?
Answer
-
it has fibers of a certain size that pigments can travel down if they are soluable in the solvent used
-
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
-
you pour a solvent on the paper and place small specimens on top which then leach their pigment into the paper for different results
Question 40
Question
name the labeled hydroxyl groups.
Answer
-
Phosphate
-
carbonyl
-
carboxyl
-
amino
-
sulfhydryl
-
hydroxyl
Question 41
Question
which of the followng pigments were seperated in lab 8?
Answer
-
carotene
-
chlohrophyl A
-
chlohrophyl B
-
xanthiphyll
-
all of the above
-
hemoglobin
Question 42
Question
labelthe types of bacteria.
Question 43
Question 44
Question
label the parts of the compound microscope.
Answer
-
objective
-
base illuminator
-
slide holding clip
-
arm
-
stage adjustment arms
-
condenser adjustment knob
-
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
Question 45
Question
How do you estimate the width of a specimen based off of the diameter of field on a compound microscope?
Answer
-
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.
Question 46
Question
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]
Question 47
Question
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.
Answer
-
smaller
-
larger
-
Kilo
-
Hecto
-
Deka
-
Unit(base)
-
Deci
-
Centi
-
Milli
Question 48
Question
Which f the following is the magnification equation?
Question 49
Question
(resolution)R=[0.61 x lambda (wavelength of light)]/N.A. (numerical aperture of objective lens)
^^ is the reolution equation
Question 50
Question
the numerical apertures of our microscopes are
Question 51
Question
What colors are useful for photosynthesis?
Answer
-
green
-
blue
-
yellow
-
violet
-
red
-
all of the above
-
all colors excpet green
Question 52
Question
[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.
Answer
-
Reflected light
-
phosphorescents
-
Absorbed light
-
fluorescent light
Question 53
Question
CO2 is related to photosynthesis in which of the following ways?
Question 54
Question
[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]
Answer
-
diploid
-
haploid
-
somatic cells
-
gametes
-
2n
-
n
Question 55
Question
[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
Answer
-
heterozygous
-
homozygous recessive
-
homozygous dominant
-
allele
-
genotype
-
phenotype
Question 56
Question
An X-linked trait is an attribute that is only passed on from an allele on the Y chromosome.
Question 57
Question
In an electrophoresis the farther right the sample moves the more _______ it is.
Question 58
Question
Sickle cell blood is ______negative
Question 59
Question
Sikle cell anemia is an abnormal blood shape where the bllod cell
Answer
-
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
Question 60
Question
Check all that applies to the bottleneck effect
Answer
-
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
Question 61
Question
in which ways does non-random mating effect genotype frequencies?