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Refer to the Figure Shown

question 37

Multiple Choice

Refer to the figure shown.
Refer to the figure shown. At which numeral is sodium moving across the membrane? A) I B) I and II C) I, II, and III D) I, II, and IV At which numeral is sodium moving across the membrane?

Definitions:

Therian

A subgroup of mammals that includes marsupials and placental mammals, distinguished from monotremes.

Morphologically Resemble

To share physical similarities in form and structure with another species or entity.

Common Ancestor

An ancestor that two or more descendants have in common, from which they have diverged through the process of evolution.

Synapsids

A lineage of tetrapods that emerged 300 million years ago and gave rise to mammals. Synapsids can be distinguished from other tetrapods by the presence of a pair of openings in the skull behind the eyes, known as the temporal fenestrae.