Lab Test
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| What is osmosis? | Diffusion of water molecules across a cell's outer membrane from areas of high water concentration to areas of low water concentration
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| What is plasmolysis? | The shrinking of the cytoplasm of a plant cell in response to diffusion of water out of the cell and into a high salt concentration solution
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| Lab 17- Describe the location of chloroplasts in a normal Elodea cell (in tap water) | Evenly distributed
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| Lab 17- Describe the location of chloroplasts in a plasmolyzed cell (in salt water) | Bunched together
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| Lab 17- What percentage of salt and water on the inside do Elodea cells normally contain? | 1% salt and 99% water on the inside
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| Lab 17- What is the percentage of salt and water in tap water? | 1% salt and 99% water
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| Lab 17- What does salt water have a higher concentration of compared to fresh water or Elodea leaves? | Salt
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| Lab 17- Describe the location of chloroplasts in a plasmolyzed cell (in salt water) | Bunched together
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| Lab 17- What percentage of salt and water on the inside do Elodea cells normally contain? | 1% salt and 99% water on the inside
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| Lab 17- What is the percentage of salt and water in tap water? | 1% salt and 99% water
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| Lab 17- What is the percentage of salt and water in salt water? | 6% salt and 94% water
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| Lab 17- What does salt water have a higher concentration of compared to fresh water or Elodea leaves? | Salt
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| Lab 17- Did the inside of the cell change due to water? | Yes it looked broken and drier
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| What is a isotonic solution? | When the concentration of solutes outside and inside the cell are equal. The cell doesn't change.
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| What is a hypotonic solution? | When the concentration of a solute molecules outside the cell is lower than the concentration in the cytosol
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| What is a hypertonic solution? | When the concentration of a solute molecules outside the cell is higher than the concentration of the cytosol
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| Lab 17- What direction should water move from? | From high to low
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| Respiration- What is the equation for respiration? | C6H12O6 + 6O2 → 6CO2 + 6H2O + energy
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| Respiration- What is bromothymol blue an indicator for? | Carbon Dioxide
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| Respiration- What color does bromothymol blue change to when it is exposed to carbon dioxide? | From blue to yellow
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| Respiration- Why does bromothymol blue change yellow when yeast is added? | Because yeast was carrying on respiration
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| Respiration- How did sugar affect the rate of respiration? | Adding sugar to it increases the rate of respiration because respiration is the process of breaking down sugar
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| Respiration- How did temperature affect the rate of respiration? | The warmer the temperature of water that faster respiration occurs
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| Respiration- What was the purpose of this experiment? | To visualize respiration
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| Lab 26 Chromosome Study- What does a karyotype indicate? | An individual's chromosomes arranged in homologous pairs and in order of diminishing size. Can indicate if a chromosome is missing, damaged, or if there is an extra chromosome. Cannot indicate a change in an individual's genes.
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| Lab 26 Chromosome Study- What is the difference between haploid and diploid? | Cells that have two sets of chromosomes are diploid and haploid cells only have half the number of chromosomes that are present in diploid cells
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| Lab 26 Chromosome Study- What are homologous pairs? | The chromosomes exact copy or pair.
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| Lab 26 Chromosome Study- What is the normal number of chromosomes for humans? | 46
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| Lab 26 Chromosome Study- What is trisomy? | When there are three instances of a particular chromosome instead of a normal two
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| Lab 26 Chromosome Study- How is a karyotype made? | By taking a photo of a cell during prophase, and enlarging the chromosomes
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| Lab 26 Chromosome Study- What is the criteria for matching chromosome pairs? | The position of the centromere, the banding patterns, and the size of the chromosome.
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| Lab 26 Chromosome Study- Which chromosome pair is abnormal in trisomy? | 8
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| Lab 26 Chromosome Study- What is a somatic cell? | Any cell forming the body of an organism
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| Lab 26 Chromosome Study- What is a sex chromosome? | One pair of chromosomes that determine the sex
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| Lab 17 Mitosis Slides- What mitotic structures can actually be seen on slides? | All but centromere and centrioles
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| Lab 17 Mitosis Slides- What are the phases in order of longest to shortest? | Prophase, telophase, anaphase, metaphase
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| Lab 17 Mitosis Slides- What is the difference between plant and animal mitosis? | Plant cell mitosis does not involve furrowing instead it involves the formation of a cell plate
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| Amnion Lab- What did the paper clip represent? | The embryo
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| Amnion Lab- What did the ziploc bag represent? | The amniotic sac
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| Amnion Lab- What did the water represent? | Amniotic Fluid
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| Amnion Lab- What is the function of the amnion? | To protect the embryo
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| Amnion Lab- What is the function of the placenta? | Attaches the developing fetus to the uterus and enables the exchange of nutrients, wastes, and gases between the mother and the fetus
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| DNA Model- What is base pairing? | Cytosine pairs with guanine and adenine pairs with thymine in DNA
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Created by:
WoodardE16