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

These are the most abundant epidermal cells

A) melanocytes B) keratinocytes C) dendritic cells D) tactile cells

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

Neurons that use norepinephrine as a transmitter are called

A) cholinergic. B) adrenergic. C) nicotinic. D) muscarinic.

Anatomy & Physiology