Humans Differ from Chimpanzees in Two Genes Responsible for ______

question 65

Multiple Choice

 Humans differ from chimpanzees in two genes responsible for ______ transport.

• A) glucose
• B) dopamine
• C) serotonin
• D) sodium

---

Definitions:

Appendices

Plural for appendix; can refer either to additional material at the end of a book or document, or to a small tube-like sac attached to the large intestine in the human body.

Appendix

A small, tube-like organ attached to the large intestine, whose function in humans is still a topic of research but is thought to be related to the immune system.

Combining Form

A word root used in the formation of medical and scientific terms, often with a connecting vowel to make the term easier to pronounce.

Vowel

A speech sound produced by comparatively open configuration of the vocal tract, with vibration of the vocal cords but without audible friction.