Podcast
Questions and Answers
Which of the following pieces of laboratory equipment should be used to accurately measure length?
Which of the following pieces of laboratory equipment should be used to accurately measure length?
Fill in the missing step of the Scientific Method?
Make an Observation,
Research, Form a Hypothesis, Experiment, Analyze & Report, Repeat Experiment
A. Draw Conclusions
E. Skip to Experiment
B. Analysis
D. Develop a Theory
Fill in the missing step of the Scientific Method? Make an Observation, Research, Form a Hypothesis, Experiment, Analyze & Report, Repeat Experiment A. Draw Conclusions
E. Skip to Experiment B. Analysis D. Develop a Theory
Ask Questions
127 mL = ?
127 mL = ?
It is always a good idea to look at who is funding the research to determine if there may be a conflict of interest
It is always a good idea to look at who is funding the research to determine if there may be a conflict of interest
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The scientific journal article you were supposed to read before coming to lab, was about done on 100 men and 100 women from various age groups.
The scientific journal article you were supposed to read before coming to lab, was about done on 100 men and 100 women from various age groups.
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Which of the following is not a feature of a microscope that has been put away properly?
Which of the following is not a feature of a microscope that has been put away properly?
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Bacteria are unicellular.
Bacteria are unicellular.
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The ocular lens of the microscope is set at 20X.
The ocular lens of the microscope is set at 20X.
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The lens on the microscope that is closest to the specimen are called the:
The lens on the microscope that is closest to the specimen are called the:
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Which of the following is not one of the 3 domains?
Which of the following is not one of the 3 domains?
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Which structures are responsible for locomotion in Euglena?
Which structures are responsible for locomotion in Euglena?
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What organelle is responsible for producing energy in the cell?
What organelle is responsible for producing energy in the cell?
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Plant cells have a cell wall to protect them from bursting.
Plant cells have a cell wall to protect them from bursting.
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Osmosis is diffusion of water through a semipermeable membrane.
Osmosis is diffusion of water through a semipermeable membrane.
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How does increasing the temperature affect the rate of diffusion?
How does increasing the temperature affect the rate of diffusion?
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A rival researcher has secretly switched the solution you use to grow your culture of cells, and when you look through the microscope you notice the cells are all swollen/bursting. The new solution is:
A rival researcher has secretly switched the solution you use to grow your culture of cells, and when you look through the microscope you notice the cells are all swollen/bursting. The new solution is:
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Solutes that dissolve in water are hydrophobic.
Solutes that dissolve in water are hydrophobic.
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Animal cells have a cell wall to protect them from bursting.
Animal cells have a cell wall to protect them from bursting.
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Mitosis and cytokinesis are important for:
Mitosis and cytokinesis are important for:
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Humans have 46 chromosomes (23 pairs of homologous chromosomes).
Humans have 46 chromosomes (23 pairs of homologous chromosomes).
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The daughter cells that are formed after a cell goes through mitosis and cytokinesis, are genetically identical.
The daughter cells that are formed after a cell goes through mitosis and cytokinesis, are genetically identical.
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In which phase of mitosis are sister chromatids pulled apart to opposite sides (poles) of the cell?
In which phase of mitosis are sister chromatids pulled apart to opposite sides (poles) of the cell?
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Chromosomes spend most of their time in prophase.
Chromosomes spend most of their time in prophase.
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Replication produces how many double stranded DNA molecules?
Replication produces how many double stranded DNA molecules?
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Which of the following nucleotide bases does not occur in DNA?
Which of the following nucleotide bases does not occur in DNA?
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Which statement is NOT true about the human karyotype shown above?
Which statement is NOT true about the human karyotype shown above?
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In which phase does crossing over (recombination) occur?
In which phase does crossing over (recombination) occur?
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What is separated during the second half of meiosis (Meiosis II) in Anaphase II?
What is separated during the second half of meiosis (Meiosis II) in Anaphase II?
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Is the study of hereditary transmission and variation.
Is the study of hereditary transmission and variation.
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A phenotype is the visible result of a gene (physical trait).
A phenotype is the visible result of a gene (physical trait).
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Which is the correct cellular respiration equation?
Which is the correct cellular respiration equation?
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Which of the following is not one of the chambers of the heart?
Which of the following is not one of the chambers of the heart?
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Which are not white blood cells?
Which are not white blood cells?
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Antibiotics are effective against bacteria.
Antibiotics are effective against bacteria.
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The ______ immune system is the first line of defense against invading pathogens.
The ______ immune system is the first line of defense against invading pathogens.
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Study Notes
Quiz 2 - Study Notes
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Question 1: The correct laboratory equipment for measuring length is a metric ruler.
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Question 2: The missing step of the scientific method is "Analyze & Report". The complete method is: Observation, Research, Form Hypothesis, Experiment, Analyze & Report, Repeat Experiment, Draw Conclusions, and sometimes Develop a Theory.
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Question 3: 127 mL is equal to 0.127 L.
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Question 4: True. It's important to examine research funding to identify potential conflicts of interest.
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Question 5: True. The scientific journal article discussed 100 men and 100 women of different ages.
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Question 6: A microscope stored properly has an unplugged cord, wrapped neatly, and is placed securely in its storage cabinet. A slide left on the stage and all lenses cleaned, are also indicators of proper storage.
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Question 7: True. Bacteria are single-celled organisms (unicellular).
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Question 8: True. The ocular lens, the eyepiece lens of a microscope, is often set to 20X magnification.
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Question 9: The objective lens is closest to the specimen.
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Question 10: Plantae is not one of the three domains: Bacteria, Archaea, and Eukarya.
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Question 11: Flagella are responsible for locomotion in Euglena.
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Question 12: Mitochondria are responsible for producing energy in the cell.
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Question 13: True. Plant cells have a cell wall for structural support and protection from bursting.
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Question 14: True. Osmosis is the movement of water across a semipermeable membrane.
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Question 15: Increasing temperature generally speeds up the rate of diffusion.
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Question 16: A hypotonic solution causes cells to swell or burst.
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Question 17: False. Solutes that dissolve in water are hydrophilic.
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Question 18: False. Animal cells do not have a cell wall.
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Question 19: Mitosis and cytokinesis are essential for growth and repair in organisms.
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Question 20: True. Humans have 46 chromosomes, arranged in 23 pairs.
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Question 21: True. Daughter cells produced during mitosis and cytokinesis are genetically identical to the parent cell.
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Question 22: Anaphase is the phase where sister chromatids are separated and pulled to opposite poles of the cell.
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Question 23: False. Chromosomes spend most of their time in interphase, not prophase.
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Question 24: Replication produces two double-stranded DNA molecules.
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Question 25: Uracil is the nucleotide base that is not found in DNA.
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Question 26: The statement that the individual in the karyotype is a female is not necessarily true, and is not the answer.
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Question 27: Crossing over (recombination) occurs during prophase I of meiosis.
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Question 28: Sister chromatids are separated during anaphase II of meiosis.
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Question 29: Genetics is the study of hereditary transmission and variation.
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Question 30: True. A phenotype is an observable characteristic of an organism.
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Question 31: The correct cellular respiration equation is: C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP
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Question 32: All the listed parts of the heart are important.
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Question 33: Erythrocytes (red blood cells) are not white blood cells.
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Question 34: True. Antibiotics are typically effective against bacterial infections.
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Question 35: The innate immune system is the body's first line of defense against pathogens.
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Description
Test your knowledge on laboratory equipment, the scientific method, and proper practices in a science class. This quiz covers key concepts including measurements, research integrity, and microscopy. Perfect for reinforcing your understanding of fundamental science principles.