At Gap Junctions,the Intercellular Space

question 10

Multiple Choice

At gap junctions,the intercellular space:

• A)Widens and is filled by electron-lucent material.
• B)Widens and is filled by electron-dense material.
• C)Narrows and is filled by electron-lucent material.
• D)Narrows and is filled by electron-dense material.

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Definitions:

Biological Species

A group of organisms that can reproduce with one another in nature and produce fertile offspring.

Homo Sapiens Idaltu

An extinct subspecies of Homo sapiens that lived around 160,000 years ago, discovered in Herto, Ethiopia, considered one of the early forms of anatomically modern humans.

Denisovans

An extinct species or subspecies of archaic humans known from DNA evidence and a few archaeological remains, suggesting they once lived in Asia.

Bipedalism

The capability of bipedal locomotion, specifically walking on two legs, which is a trait of humans and their forebears.