Which of these is NOT a step in transcription?
A) replication
B) initiation
C) termination
D) elongation
A) replication
Replication is NOT a step in transcription.
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The ciliary muscle
a. controls the eardrum. b. controls the shape of the lens to allow focusing. c. holds the bones of the middle ear in place. d. enables the eyeball to move so that a person may see an object without moving the head. e. is responsible for the size of the pupil in different light intensities.
A derived character that is shared among two or more lineages is also called a(n) ________
A) apomorphy B) plesiomorphy C) synapomorphy D) clade
Using the techniques of genetic engineering, you design a protein you want to accumulate within the ER of yeast cells. To accomplish this goal, you need to
A) do nothing; all proteins go through the ER. B) incorporate appropriate mannose-6-phosphate groups. C) incorporate the appropriate DNA sequence(s) to create signal sequences in the mature peptide. D) incorporate radioactive amino acids into the protein. E) remove the N-formyl group located at the N-terminus of the polypeptide.
Sodium channels are concentrated in the
A) axon hillock and nodes of Ranvier. B) dendrites and synaptic boutons. C) dendrites and nodes of Ranvier. D) dendrites and axon hillock. E) synaptic boutons and axon hillock.