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WorksheetsBIOL1103 Lab Final Review
Total questions: 70
Worksheet time: 35mins
Which phase of the cell cycle is shown by this bead demonstration?
interphase
prophase
telophase
prophase I
Which phase of the cell cycle is shown by this bead demonstration?
metaphase I
metaphase
anaphase I
anaphase
Which phase of the cell cycle is shown by this bead demonstration?
anaphase I
anaphase
telophase I
telophase
Which phase of the cell cycle are these fish cells in?
interphase
prometaphase
metaphase
anaphase
Which phase of the cell cycle is this fish cell in?
metaphase
anaphase
prophase
prometaphase
Which phase of the cell cycle is this fish cell in?
anaphase
metaphase
cytokinesis
telophase
What is the key difference between prophase and prophase I?
Chromosomes condense during prophase, but not prophase I.
Crossing over occurs during prophase I, but not prophase.
Sister chromatids join up in prophase, but not prophase I.
There is no major difference between the two.
What is the major difference between metaphase I and metaphase?
Crossing over occurs during metaphase I, but not metaphase.
Sister chromatids separate during metaphase, but not metaphase I.
Homologous chromosomes line up during metaphase I, but not metaphase.
There is no major difference between the two.
What is the major difference between anaphase II and anaphase?
Sisters separate during anaphase, but not anaphase II.
Homologous pairs line up in anaphase II, but not anaphase.
Cell division occurs twice in anaphase II, but not anaphase.
There is no major difference between the two.
What is the key event of telophase?
the nuclear envelopes reform
sister chromatids separate
the cytoplasm is divided into two halves
chromosomes line up in the center of the cell
Why did some pigments go further up the paper than others?
Because they dissolved more in the rubbing alcohol.
Because they could bind to the paper and climb higher.
Because they were pushed away from the rubbing alcohol.
Because they were smaller and lighter.
Which of these statements about polar and nonpolar in the chromatography experiment are true?
Nonpolar pigments climbed higher than polar pigments.
The rubbing alcohol is polar.
Chlorophyll is the least polar pigment.
Chlorophylls, Xanthophylls, and Carotenes are very polar.
What was the point of the chromatography experiment?
To separate the differently colored pigments from a "green" leaf.
To show the process of photosynthesis.
To prove that chlorophyll is necessary for photosynthesis.
To show that pigments absorb light best at different wavelengths.
Why are plant leaves mostly green?
The chlorophyll mixes with the other pigments to make a green pigment.
The chlorophyll reflects green and absorbs the other colors.
Pigments like chlorophyll absorb light to make colors.
The chlorophyll uses up the green light.
What colors of light does a plant need most to do photosynthesis?
Greens and Yellows
Yellows and Oranges
Greens and Reds
Reds and Blues
Which pigment absorbs green light to do photosynthesis?
Chlorophyll
Xanthophyll
Carotene
None of them absorb green light
Why did the leaves float after 20 minutes?
They produced carbon dioxide bubbles which made them float.
They produced oxygen bubbles which made them float.
They produced sugar which gave them the energy to float.
They absorbed more water which made them float.
Why was baking soda put into the water before doing the floating leaf experiment?
To help the leaves float in the water.
To give the leaves an energy source.
To give the leaves a source of carbon dioxide.
To help the leaves absorb light.
Why did you add soap to the water before floating the leaf circles?
To break down the waxy cuticle.
To help the leaves float more easily.
To remove contaminants from the leaves.
To give the leaves air bubbles in the water.
Why are most plant leaves green?
Each cell has chlorophyll in it.
Each chloroplast has chlorophyll in it.
Each leaf has chlorophyll in it.
The whole plant has chlorophyll in it.
What is the purpose of chlorophyll?
To use up carbon dioxide and produce oxygen.
To turn the energy of sunlight into molecules of sugar.
To perform all of photosynthesis.
To catch the energy of sunlight and change it to another form.
Which pigments found in plants are yellow?
xanthophylls
cholorophylls
caroteins
chloroplasts
Which of the following is used up during photosynthesis?
Oxygen
Sugar
Chlorophyll
Carbon dioxide
Which of the following is produced during photosynthesis?
Carbon dioxide
Water
Oxygen
Chlorophyll
What is the goal of photosynthesis?
To use up carbon dioxide
To produce oxygen
To produce sugar
To use up sunlight
Which of the following is a genotype?
Bb
Black eyes
B
Which of the following is a phenotype?
Bb
Black eyed
B
Which statement about genotypes and phenotypes is correct?
every gene has a phenotype, but only some have a genotype
phenotype and genotypes are independent of each other
each phenotype has only one genotype
the genotype causes the phenotype
Which cross would help prove the Law of Independent Assortment?
black-eyed/tail Flugals crossed with white-eyed/tailless
black-eyed Flugals crossed with white-eyed
black-eyed and white-eyed Flugals crossed with both tails and tailless
black-eyed/tailless Flugals crossed with black-eyed/tailless
Image a blue, tall flower is mated with a yellow, short flower. All of the children are blue and tall. However, in the next generation, there will be a mixture of blue tall, blue short, yellow tall, and yellow short flowers. Which combination should be the least common?
yellow short
blue tall
blue short
yellow tall
In the special case of linkage, two different genes are found near each other on the same chromosome. This means that a child is likely to pass on its mother's alleles for both genes, or its father's alleles for both genes, but rarely an allele from each parent. Which law does this break?
Independent Assortment
Segregation
Both Laws
Neither Law
Which of the following is NOT one of the "rules" involved in the law of segregation?
When making sperm or egg cells, two pieces of information are segregated into separate cells.
If two pieces of information are different, one will be dominant.
Each individual has two pieces of genetic information for any trait.
The alleles for gene 1 are segregated without any regard for how the alleles for gene 2 are segregated.
Which cross during our fruit Flugal experiment demonstrated the Law of Segregation?
black-eyed/tail Flugals crossed with white-eyed/tailless
black-eyed crossed with white-eyed
black-eyed/tailless Flugals crossed with black-eyed/tailless
black-eyed crossed with black-eyed
Thinking back to the cell cycle, when does the Law of Independent Assortment actually occur?
mitosis
interphase
meiosis
prophase
A Tt parent is crossed with a Tt parent. What proportion of the offspring will be Tt like the parents?
0.5
1
0
0.25
If TT is crossed with tt, what proportion of the offspring will be tt?
0.75
0.5
0.25
0
When crossing Tt x tt, what proportion of the offspring will be tt?
0.25
0.5
0.75
1
What was the purpose of soap in the DNA isolation experiment?
to remove the plasma membranes
to remove the proteins from the DNA
to remove the cell wall
to pull the DNA from solution
What was the purpose of salt in the DNA isolation experiment?
to remove the plasma membrane
to remove the proteins from the DNA
to remove the cell wall
to trick the DNA out of solution
What was the purpose of the alcohol in the DNA extraction experiment?
to remove proteins from the DNA
to remove the cell wall
to pull the DNA out of solution
to remove the plasma membrane
Which of these is a product of both types of fermentation?
NAD+
Ethanol
Carbon dioxide
Lactic acid
Which of these is a product of Glycolysis that is used by Fermentation?
ATP
NADH
Sugar
Oxygen
How much ATP is created by fermentation?
4
2
1
0
Which of these is a product of both types of fermentation?
Ethanol
Carbon dioxide
NAD+
Lactic acid
Which of these is a product of ethanol fermentation?
Carbon dioxide
ATP
Pyruvate
Oxygen
Which of these is a product of Lactic Acid Fermentation?
Ethanol
Carbon dioxide
ATP
NAD+
Which of these organisms does ethanol fermentation?
Yeast
Humans
Bacteria
Worms
Which of these foods is made by bacteria performing fermentation?
Wine
Bread
Cheese
Beer
Which of these foods is made by yeast performing fermentation?
Cheddar cheese
Beer
Sour cream
Yogurt
Which of these was a dependent variable in your fermentation experiment?
Volume of balloon
Water temperature
Vial with no sugar
30 minutes
Which of these was a control variable in your fermentation experiment?
volume of balloon
water temperature
vial with no sugar
30 minutes
Which of these was a control experiment in your fermentation experiment?
volume of balloon
water temperature
vial with no sugar
30 minutes
Which of these was an independent variable in your fermentation experiment?
volume of balloon
water temperature
vial with no sugar
30 minutes
What part of your experiment was the three different sugar solutions?
independent variable
dependent variable
control variable
control experiment
What part of your experiment was using 4 teaspoons of sugar source?
independent variable
dependent variable
control variable
control experiment
You place a drop of green dye in a dish of water. You time how long it takes for the dye to reach the edge of the dish. What is this experiment testing?
Diffusion
Osmosis
Dissolving
You place a drop of green dye in a dish of water. You time how long it takes for the dye to reach the edge of the dish. What is missing from this experiment if you wanted to study osmosis?
Different concentrations
Plasma membrane
Random motion
Salt
Red blood cells are placed in solutions of 0%, 1% or 2% salt. They are placed under a microscope to see if they shrivel or expand. What concept is being tested here?
Diffusion
Osmosis
Dissolving
If a potato slice becomes less stiff after being placed in a solution, what do we know about the solution?
it is hypotonic to the potato slice
it added water to the potato slice
the potato and solution are at equal concentrations
none of the above
Which word means a solution that has more salt than the thing you are comparing it to?
Hypertonic
Hypotonic
Isotonic
Which word means a solution that has less salt than the thing you are comparing it to?
Hypertonic
Hypotonic
Isotonic
If a cell at 1% salt is placed in a solution of pure water, what will happen?
the cell will shrivel
the cell will stay the same
the cell will expand
What will happen when a cell at 1% salt is placed in a solution of 3% salt?
the cell will stay the same
the cell will expand
the cell will shrivel
If a cell at 2% salt is placed in a solution of 1% salt, what will happen?
the cell will shrivel
the cell will stay the same
the cell will expand
Which term describes a red blood cell that has shriveled due to loss of water?
hemolysis
crenation
turgor
none of the above
Which term describes a plant cell that has shriveled due to loss of water?
hemolysis
crenation
turgor pressure
plasmolysis
Which term describes the thing LOST when a plant shrivels?
hemolysis
crenation
turgor pressure
plasmolysis
In the demonstration where salad dressing wilts a lettuce leaf, which of these is happening?
water is moving from the dressing into the leaf cells
salt is moving from the dressing into the leaf cells
water is moving from the leaf cells into the dressing
salt is moving from the leaf cells into the dressing
Which structure prevents plant cells from exploding when they absorb too much water?
plasma membrane
vacuole
cell wall
vesicle
A slice of potato becomes stiff after being placed in a solution. What happened?
the cell walls of the potato stiffened to prevent water loss
water entered the potato cells providing extra pressure
starch from the potato was drawn into the solution and was replaced by water
all of the above
