The size of the domestic dog genome is 2.4 billion (2.4 x 109) base pairs in length. Approximately how many nucleosomes would you expect to be in an average dog genome? Approximately how many copies of histone H2A protein you would find per dog genome? *for both quesitons assume the core DNA + linker DNA=200 bp

Record the journal entry on December 31, 2025 (Tomato’s fiscal year end):

Drosophila have large chromosomes in their salivary glands called polytene chromosomes. When these chromosomes are exposed to the hormone, ecdysone (the molting hormone), regions of the chromosome form chromosomal puffs. What affect does chromosomal puffing have on transcriptional activity of genes in this region (i.e. is there more or less transcription in these regions)?   In class we talked about a few experiments testing hypotheses regarding the relationship between the state of chromosome and the amount of transcription taking place. What conclusions were drawn from these experiments?

  50) Damage to the basal cells in the olfactory epithelium results in a loss of:

48) Special senses, such as sight and sound, are converted to an action potential by:

49) The olfactory nerves (CN I) are formed by:

53) Which cell has receptors specialized to detect different tastes?

 Which cranial nerve is NOT involved in the parasympathetic nervous system?

52) Which of the following papillae found on the surface of the tongue contains no taste buds, but does contain sensory nerve endings to detect the temperature and texture of food?

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