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Biology Lab Final Study Guide

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final study guide
Reagan newman
Test por Reagan newman, actualizado hace más de 1 año
Reagan newman
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Resumen del Recurso

Pregunta 1

Pregunta
Ethanol ______ the heart rate of the Daphnia while caffeine ______ the heart rate of the Daphnia.
Respuesta
  • increased, decreased
  • decreased, increased

Pregunta 2

Pregunta
What is the mean, mode, median and range of a given set of data?
Respuesta
  • 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

Pregunta 3

Pregunta
An independent variable is changed and controlled in an experiment.
Respuesta
  • True
  • False

Pregunta 4

Pregunta
Dependant variables are ____ in lab 1
Respuesta
  • 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

Pregunta 5

Pregunta
Osmosis is _______
Respuesta
  • 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

Pregunta 6

Pregunta
Enzymes are ____________
Respuesta
  • 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

Pregunta 7

Pregunta
In lab 6 the we used ______ as the enzyme.
Respuesta
  • catechol oxidase
  • hydroquinone
  • par-hydroxybenzaldehyde

Pregunta 8

Pregunta
in lab six which of the following substrates were used?
Respuesta
  • catechol
  • distilled water
  • hydroquinone
  • para-hydroxyldenzaldehyde
  • catechol oxidase
  • hydrogen chloride

Pregunta 9

Pregunta
Benzoquinone is the product used in lab 6.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
In lab 6 temperature affected the enzyme activity how?
Respuesta
  • 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

Pregunta 11

Pregunta
in lab 6 the effects of pH were
Respuesta
  • similar to that of heat
  • more activity at pH level 7
  • got darker
  • increased oxidation
  • no change
  • got lighter
  • less oxidation

Pregunta 12

Pregunta
In lab 5 the which of the following bags lost weight?
Respuesta
  • 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

Pregunta 13

Pregunta
In lab 5 which of the following bags gained weight?
Respuesta
  • 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

Pregunta 14

Pregunta
what type of solutions gained weight in lab 5 bags, and why?
Respuesta
  • 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

Pregunta 15

Pregunta
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.
Respuesta
  • True
  • False

Pregunta 16

Pregunta
The salt solution plasmolyzed the Elodea in lab 5 because it was
Respuesta
  • 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

Pregunta 17

Pregunta
In lab 2 wht did benedict's reagent test for?
Respuesta
  • reducing sugars
  • polysaccharides
  • proteins
  • lipids
  • the solubility of lipids

Pregunta 18

Pregunta
What did iodine test for in lab 2?
Respuesta
  • reducing sugars
  • starch
  • proteins
  • lipids
  • teh solubility of lipids

Pregunta 19

Pregunta
Biuret reagent was used to test for what in lab 2?
Respuesta
  • reducing sugars
  • starch
  • proteins
  • lipids
  • the solubility of lipids

Pregunta 20

Pregunta
In lab 2 brown paper was used to test for____?
Respuesta
  • reducing sugars
  • starch
  • proteins
  • lipids
  • the solubility of lipids

Pregunta 21

Pregunta
in lab 2 vegetable oil was used to test for?
Respuesta
  • proteins
  • starch
  • reducing sugars
  • lipids
  • the solubility of lipids

Pregunta 22

Pregunta
what did the positive test for benedicts reagent look like in lab 2?
Respuesta
  • yellow
  • green
  • orange-red
  • yellow-orange
  • orange

Pregunta 23

Pregunta
what did the positive result for iodine test look like in lab 2?
Respuesta
  • dark purple/blue/black
  • light red-brown
  • yellow-brown
  • orange
  • dark green

Pregunta 24

Pregunta
what did the positive test for the biuret reagent look like in lab 2?
Respuesta
  • violet
  • pink
  • red
  • blue

Pregunta 25

Pregunta
what did the positive result for the brown paper test look like?
Respuesta
  • the sample is still in tact
  • there is little specimen left
  • there is about half the specimen left

Pregunta 26

Pregunta
the results of the vegetable oil test looked______ is positive?
Respuesta
  • 1 layer
  • 2 layers
  • 3 layers
  • no layers
  • 4 layers

Pregunta 27

Pregunta
aerobic respiration _______?
Respuesta
  • 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

Pregunta 28

Pregunta
Fermentation ________?
Respuesta
  • 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

Pregunta 29

Pregunta
what does the heat of respiration represent?
Respuesta
  • the germination of the beans
  • the energy being produced
  • the residual products being released
  • the water being evaporated

Pregunta 30

Pregunta
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.
Respuesta
  • True
  • False

Pregunta 31

Pregunta
What is the labelled portion of the below Daphnia?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • heart

Pregunta 32

Pregunta
What is the below portion of the daphnia?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • heart
  • antennae
  • eyes
  • ovary

Pregunta 33

Pregunta
what part is labeled?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • compound eye

Pregunta 34

Pregunta
which part is labeled?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • intestine
  • ovary
  • heart

Pregunta 35

Pregunta
Which oart is labeled below?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • ovary
  • brooding chamber
  • heart
  • compound eye
  • antennae

Pregunta 36

Pregunta
what is the labeled part?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • brooding chamber
  • ovary
  • heart
  • compound eye
  • antennae

Pregunta 37

Pregunta
what is this?
Image:
Daphnia (binary/octet-stream)
Respuesta
  • maxillary gland
  • intestine
  • compound eye
  • ovary
  • heart
  • occellus
  • filtering setae
  • antennae
  • filtering setaee

Pregunta 38

Pregunta
what are the parts of the dissecting microscope?
Image:
Dissecting Scope (binary/octet-stream)
Respuesta
  • focusing knob
  • objective
  • knurled ring
  • eyepieces
  • illuminator
  • stage
  • illuminator switch
  • base

Pregunta 39

Pregunta
how does chromatography paper work?
Respuesta
  • 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

Pregunta 40

Pregunta
name the labeled hydroxyl groups.
Image:
Functional Groups (binary/octet-stream)
Respuesta
  • Phosphate
  • carbonyl
  • carboxyl
  • amino
  • sulfhydryl
  • hydroxyl

Pregunta 41

Pregunta
which of the followng pigments were seperated in lab 8?
Respuesta
  • carotene
  • chlohrophyl A
  • chlohrophyl B
  • xanthiphyll
  • all of the above
  • hemoglobin

Pregunta 42

Pregunta
labelthe types of bacteria.
Image:
Bateria Slide (binary/octet-stream)
Respuesta
  • rod
  • cocci
  • spirilla

Pregunta 43

Pregunta
name the cells.
Image:
Cells (binary/octet-stream)
Respuesta
  • stained blood cells
  • striated skeletal muscle
  • elodea sp
  • nerve cells
  • sperm
  • human squamous epithelial cells
  • ovary tissue
  • ciliated epithelial
  • spirogyra sp

Pregunta 44

Pregunta
label the parts of the compound microscope.
Image:
Compound Microscope (binary/octet-stream)
Respuesta
  • 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

Pregunta 45

Pregunta
How do you estimate the width of a specimen based off of the diameter of field on a compound microscope?
Respuesta
  • 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.

Pregunta 46

Pregunta
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]
Respuesta
  • 9/5C+32
  • 5/9(F-32)

Pregunta 47

Pregunta
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.
Respuesta
  • smaller
  • larger
  • Kilo
  • Hecto
  • Deka
  • Unit(base)
  • Deci
  • Centi
  • Milli

Pregunta 48

Pregunta
Which f the following is the magnification equation?
Respuesta
  • eyepiece magnification x objective magnification
  • (resolution)R=[0.61 x lambda (wavelength of light)]/N.A. (numerical aperture of objective lens)

Pregunta 49

Pregunta
(resolution)R=[0.61 x lambda (wavelength of light)]/N.A. (numerical aperture of objective lens) ^^ is the reolution equation
Respuesta
  • True
  • False

Pregunta 50

Pregunta
the numerical apertures of our microscopes are
Respuesta
  • .1
  • .25
  • .65
  • .87
  • .54
  • .23

Pregunta 51

Pregunta
What colors are useful for photosynthesis?
Respuesta
  • green
  • blue
  • yellow
  • violet
  • red
  • all of the above
  • all colors excpet green

Pregunta 52

Pregunta
[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.
Respuesta
  • Reflected light
  • phosphorescents
  • Absorbed light
  • fluorescent light

Pregunta 53

Pregunta
CO2 is related to photosynthesis in which of the following ways?
Respuesta
  • there will be less CO2 when photosynthesis is occuring.
  • Photosynthesis uses Co2
  • there will be more co2 in the air when photosynthesis occurs
  • photosynthesis uses O2

Pregunta 54

Pregunta
[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]
Respuesta
  • diploid
  • haploid
  • somatic cells
  • gametes
  • 2n
  • n

Pregunta 55

Pregunta
[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
Respuesta
  • heterozygous
  • homozygous recessive
  • homozygous dominant
  • allele
  • genotype
  • phenotype

Pregunta 56

Pregunta
An X-linked trait is an attribute that is only passed on from an allele on the Y chromosome.
Respuesta
  • True
  • False

Pregunta 57

Pregunta
In an electrophoresis the farther right the sample moves the more _______ it is.
Respuesta
  • negative
  • positive

Pregunta 58

Pregunta
Sickle cell blood is ______negative
Respuesta
  • less
  • more

Pregunta 59

Pregunta
Sikle cell anemia is an abnormal blood shape where the bllod cell
Respuesta
  • 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

Pregunta 60

Pregunta
Check all that applies to the bottleneck effect
Respuesta
  • 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

Pregunta 61

Pregunta
in which ways does non-random mating effect genotype frequencies?
Respuesta
  • certain genotypes are preffered
  • some genotypees are eradicated
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