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Questions in biology
📝 Answered - What kind of molecule is an enzyme? Why are enzymes important in a cell?
📝 Answered - What characteristics separate algae from: a) Protozoans b) Plants?
📝 Answered - Describe the typical movement of ciliates.
📝 Answered - What are three ways in which electric current helps you do work? Describe the energy transformation that takes place in each case.
📝 Answered - What is the difference between movement and locomotion?
📝 Answered - Meiosis results in greater genetic variation than asexual reproduction because it:
📝 Answered - Do some eukaryotes reproduce asexually?
📝 Answered - Many viruses released into the air survive for only short periods of time. Which of the following is the most likely reason for this? A. Viruses attract antibodies in the atmosphere. B. Viruses require a low atmospheric pressure. C. Viruses are hosts for bacteria that eventually destroy them. D. Viruses are dependent on host cells of living organisms.
📝 Answered - An RNA sequence is shown below: AUGCCGAAACGU Which of the following statements describes how the RNA sequence specifies the production of an amino acid chain? A. Each individual RNA base codes for a single amino acid. B. Each group of three RNA bases codes for a single amino acid. C. Each group of three RNA bases codes for an enzyme that helps join amino acids together. D. Each individual RNA base codes for the ribosome location where amino acids are assembled.
📝 Answered - A. DNA transcription is producing messenger RNA. B. DNA transcription is producing ribosomal RNA. C. DNA translation is producing messenger RNA. D. DNA translation is producing ribosomal RNA.
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