Describe anatomical changes in the skull that occurred in human evolution between a Australopithecus afarensis-like ancestor and Homo sapiens
What will be an ideal response?
Changes include a greatly increased cranial capacity with a prominent vertical forehead; reduction in size, number, and specializations of teeth; lower jaw and muzzle shortened; much reduced eyebrow ridges and no keel for muscle attachments; and development of a prominent nose with distinct bridge.
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Growth hormone (GH) stimulates all the following actions except
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White blood cells engulf bacteria through the process of ________.
What will be an ideal response?
Glucose cannot be synthesized from fatty acids because the reaction converting pyruvic acid to acetyl coenzyme A is not reversible.
Answer the following statement true (T) or false (F)
________ is composed of multiple globular molecules polymerized to form long chains or filaments.
A) Troponin B) Actin C) Myosin D) Tropomyosin E) Titin