Describe the difference between a totipotent cell and a pluripotent cell
What will be an ideal response?
Totipotent cells are capable of becoming any type of cell in the mature organism. Pluripotent cells are capable of becoming any cell in the organism with the exception of placental and embryonic cell types.
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What part of a taste sensory neuron is directly involved with receiving stimuli?
A. papillae B. microvilli C. supporting cells D. axons
The recognition site for a restriction enzyme is 5? ACCGG^T 3?. The ^ symbol indicates the site of cleavage. After digestion of DNA with this restriction enzyme, how will the ends of the resulting DNA fragments look?
A) They will have sticky, single-stranded ends with 5? overhangs. B) They will have sticky, single-stranded ends with 3? overhangs. C) They will have blunt ends. D) They will have sticky, double-stranded ends. E) The result cannot be predicted using only the information given.
All of the following are teratogens except _____
1. thalidomide 2. tetracycline 3. medical X-rays 4. Toxoplasma gondii 5. alcohol
The process of ________ requires the activity of DNA ligase
A) translation B) capping C) transcription D) DNA replication E) transduction