Helper T-lymphocyte activation involves MHC class I, whereas cytotoxic T-lymphocyte activation involves MHC class II
Indicate whether this statement is true or false.
FALSE
Anatomy & Physiology
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Which of the choices below determines the direction of respiratory gas movement?
A) solubility in water B) partial pressure gradient C) the temperature D) molecular weight and size of the gas molecule
Anatomy & Physiology
During the first meiotic division
A) homologous chromosome pairs join. B) homologous chromosome pairs separate. C) the cell becomes diploid. D) sperm and egg form.
Anatomy & Physiology
These are the most abundant epidermal cells
A) melanocytes B) keratinocytes C) dendritic cells D) tactile cells
Anatomy & Physiology
Neurons that use norepinephrine as a transmitter are called
A) cholinergic. B) adrenergic. C) nicotinic. D) muscarinic.
Anatomy & Physiology