Liposomes Form Spontaneously from ________ and Are Important Because ________

question 10

Multiple Choice

Liposomes form spontaneously from ________ and are important because ________.

• A) DNA; they provide a rigid structure to support the cell
• B) phospholipid monolayers; these phospholipid monolayers provide a stable barrier between the internal and external environments
• C) rigid cell walls; they provide support for the living cell and a barrier between the external and internal environments
• D) phospholipid bilayers; they provide a barrier between an external environment and an internal environment

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Definitions:

Earliest Primates

The most ancient members of the primate order, believed to have appeared in the Paleocene epoch, characterized by adaptations for arboreal life.

Homo Erectus

Species that originated in Africa about 1.7 mya and then spread to Europe and Asia; may have persisted until 200,000 years ago or later; may be an evolutionary dead end.

Hominins

Members of the taxonomic grouping (family Hominidae) that includes all species directly related to humans, past and present, including Homo sapiens and our immediate ancestors.

Acheulian Tools

Stone tools associated with early human species, characterized by hand axes and cleavers produced during the Lower Palaeolithic era.