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Studying help



  1. What controls the movement of the lungs?
  2. Describe the flow of air into the lungs. Use the following terms: oral cavity/nasal cavity, trachea, bronchi, bronchioles, alveoli
  3. What gases are being exchanged as we inhale?
  4. How do the lungs get rid of all the CO2 they’ve picked up from the blood?
  5. Why do the cells in our body need oxygen? Be specific.
  6. How do you think your breathing and lungs adapt when you’re exercising?——————————————————————



  1. How are the processes of cellular respiration and photosynthesis related?
  2. The carbon molecules in glucose are converted to what molecule during respiration?
  3. What happens to the carbon dioxide molecules plants use in photosynthesis?
  4. Do plants have both chloroplasts and mitochondria? Why would this be?




1. Why do we mash the strawberry in salty, soapy water?

2. Why do we use alcohol?

3. After you add alcohol, what is in the snot-like mass?

4. If this were a lab, what could you do with the material you separated snot-like glob?

5. What other application could you use the technique for–other than strawberry research?



  1. Explain two structural ways DNA and RNA are different. 
  2. How is base-pairing different in RNA and DNA?
  3. If one nucleotide were transcribed incorrectly or omitted, how would it affect the overall structure of the protein? Create an example sequence of mRNA and proteins (using the codon chart) to demonstrate. 

Let’s practice this process of transcription and translation using a virtual model. Here’s what to do:

  1. Head over to
  2. Complete the tutorial of transcribing and translating a gene
  3. Take a screenshot or photo at the end of transcription and the end of translation.  You will turn these in at the end of the lab.

2nd part of B

  1. Were both pieces of DNA used during transcription? 
  2. How is the mRNA molecule built? 
  3. What happens to the mRNA once it has been completed?
  4. What organelle catalyzes the peptide bonds between amino acids?
  5. How would you describe the sequence of bases on the mRNA compared to those on the tRNA?
  6. What happens to the tRNA molecules after their amino acid that was attached to them has been added to the growing polypeptide?

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