The heart, skeletal muscles, and blood vessels all contain muscle tissue.
Answer the following statement true (T) or false (F)
True
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The chemoreceptors called papillae are ________
a. ciliated endings of olfactory receptors b. touch receptors located on the skin c. taste buds on the tongue d. specialized for detecting pheromones
Suppose a segment of DNA contains five restriction sites for a particular restriction enzyme. How many fragments of DNA will remain after the enzyme is used to cut the DNA?
A.) 4 B.) 5 C.) 6 D.) 10
What is the function of the release factor (RF)?
A. It releases the ribosome from the eR to allow polypeptides into the cytosol. B. It separates tRNA in the A site from the growing polypeptide. C. It binds to the stop codon in the A site in place of a tRNA. D. It releases the amino acid from its tRNA to allow the amino acid to form a peptide bond. E. It supplies a source of energy for termination of translation.
"Nissl stain" visualizes i) _______, and ii) _________ of neuron.
a) (i) nucleus, (ii) rough ER b) (i) nucleus, (ii) smooth ER c) (i) cytoskeleton, (ii) rough ER d) (i) cytoskeleton, (ii) smooth ER