Biology Lab Final Study Guide

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final study guide
Reagan newman
Quiz por Reagan newman, atualizado more than 1 year ago
Reagan newman
Criado por Reagan newman aproximadamente 6 anos atrás
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Resumo de Recurso

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.
Responda
  • True
  • False

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
  • the caffeine/ethanol in the Daphnia experiment
  • 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"
  • 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
  • used to bind proteins together to form a chain
  • not consumed but reused by substrates
  • denatured when the temperature is too high

Questão 7

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

Questão 8

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

Questão 9

Questão
Benzoquinone is the product used in lab 6.
Responda
  • True
  • False

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
Responda
  • similar to that of heat
  • more activity at pH level 7
  • got darker
  • increased oxidation
  • no change
  • got lighter
  • less oxidation

Questão 12

Questão
In lab 5 the which of the following bags lost 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 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
  • 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.
Responda
  • True
  • False

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
  • polysaccharides
  • proteins
  • lipids
  • the solubility of lipids

Questão 18

Questão
What did iodine test for in lab 2?
Responda
  • reducing sugars
  • 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
  • green
  • orange-red
  • yellow-orange
  • orange

Questão 23

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

Questão 24

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

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
  • 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
  • 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

Questão 28

Questão
Fermentation ________?
Responda
  • 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

Questão 29

Questão
what does the heat of respiration represent?
Responda
  • the germination of the beans
  • the energy being produced
  • the residual products being released
  • 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.
Responda
  • True
  • False

Questão 31

Questão
What is the labelled portion of the below Daphnia?
Responda
  • heart

Questão 32

Questão
What is the below portion of the daphnia?
Responda
  • heart
  • antennae
  • eyes
  • ovary

Questão 33

Questão
what part is labeled?
Responda
  • compound eye

Questão 34

Questão
which part is labeled?
Responda
  • intestine
  • ovary
  • heart

Questão 35

Questão
Which oart is labeled below?
Responda
  • ovary
  • brooding chamber
  • heart
  • compound eye
  • antennae

Questão 36

Questão
what is the labeled part?
Responda
  • brooding chamber
  • ovary
  • heart
  • compound eye
  • antennae

Questão 37

Questão
what is this?
Responda
  • maxillary gland
  • intestine
  • compound eye
  • ovary
  • heart
  • occellus
  • filtering setae
  • antennae
  • filtering setaee

Questão 38

Questão
what are the parts of the dissecting microscope?
Responda
  • focusing knob
  • objective
  • knurled ring
  • eyepieces
  • illuminator
  • stage
  • illuminator switch
  • 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
  • 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

Questão 40

Questão
name the labeled hydroxyl groups.
Responda
  • Phosphate
  • carbonyl
  • carboxyl
  • amino
  • sulfhydryl
  • hydroxyl

Questão 41

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

Questão 42

Questão
labelthe types of bacteria.
Responda
  • rod
  • cocci
  • spirilla

Questão 43

Questão
name the cells.
Responda
  • stained blood cells
  • striated skeletal muscle
  • elodea sp
  • nerve cells
  • sperm
  • human squamous epithelial cells
  • ovary tissue
  • ciliated epithelial
  • spirogyra sp

Questão 44

Questão
label the parts of the compound microscope.
Responda
  • 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

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]
Responda
  • 9/5C+32
  • 5/9(F-32)

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?
Responda
  • eyepiece magnification x objective magnification
  • (resolution)R=[0.61 x lambda (wavelength of light)]/N.A. (numerical aperture of objective lens)

Questão 49

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

Questão 50

Questão
the numerical apertures of our microscopes are
Responda
  • .1
  • .25
  • .65
  • .87
  • .54
  • .23

Questão 51

Questão
What colors are useful for photosynthesis?
Responda
  • 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?
Responda
  • 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

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.
Responda
  • True
  • False

Questão 57

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

Questão 58

Questão
Sickle cell blood is ______negative
Responda
  • less
  • more

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?
Responda
  • certain genotypes are preffered
  • some genotypees are eradicated

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