UCI BIO 93 Final Exam Questions With 100% Verified Answers
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Course
UCI Bio 93
Institution
UCI Bio 93
UCI BIO 93 Final Exam Questions With
100% Verified Answers
What is an example of incomplete dominance? - answerA red and white snapdragon making a
pink offspring
What is an example of co-dominance? - answerBlood cells.
What is Pleiotropy? - answerWhen a gene affects more than
one phenotypic c...
What does it mean for a protein to be ubiquitinated? - answer✔Ubiquitin attached to the protein
and takes it to a proteasome that degrades the protein.
What does a repressor do? - answer✔Block transcription of a gene
What does an activator do? - answer✔Stimulate the transcription of a gene
What binds to the enhancers? - answer✔The activators
What are some ways that mRNA can be degraded? - answer✔shortening of poly A tail, removal
of cap, nucleases chew up mRNA
What are histones responsible for? - answer✔1st level of DNA packing in chromatin
What is a region of highly condensed chromatin called? - answer✔Heterochromatin
What is cell differentiation? - answer✔The process by which cells become specialized
What is the physical process that gives the organism its shape called? - answer✔Morphogenesis
What are cytoplasmic determinants? - answer✔Substances in the egg that influence early
development
What is induction? - answer✔The process that allows cells in the embyro to communicate with
the cells around them.
What is determination? - answer✔Commits a cell to its final state
What comes first, determination or differentiation? - answer✔Determination
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