Amino acids are brought to the ribosome by tRNA and are joined together to form a polypeptide chain during which step of translation?
a) transcription
b) termination
c) initiation
d) elongation
d) elongation
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________ release during inflammation causes increased blood vessel permeability.
A) Elastin B) Histamine C) Fibroblast D) Fibrillin E) Collagen
Match the following particles to the correct description:
A) Cation B) Neutron C) Atom D) Molecule 1) Electrically charged particle due to loss of an electron. 2) Neutral subatomic particle. 3) Smallest particle of an element that retains its properties. 4) Smallest particle of a compound that still retains its properties.
Many different neurons can stimulate an autonomic ganglion cell simultaneously due to
A. reciprocity. B. reverberation. C. convergence. D. divergence.
Sperm are moved along the ductus deferens by
A) hydrostatic force. B) ciliary action. C) peristaltic contractions. D) suction. E) hydraulic action.