Answer the following questions true (T) or false (F)
1. Arteries always carry blood that is oxygen rich.
2. Veins are smaller blood vessels than capillaries.
3. Blood in the pulmonary arteries is moving toward the heart.
1. FALSE
2. FALSE
3. FALSE
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Which of the following is not part of the outer ear?
A. oval window B. pinna C. auditory canal D. eardrum
Most O2 is transported in the blood ____
a. dissolved in the plasma b. as bicarbonate ions c. bound to hemoglobin d. as carbon dioxide e. bound to bicarbonate ions
From what feature are jaws through to have
evolved? a. pharynx b. vertebrae c. legs d. arms e. gill arches
The three-dimensional coordinates of atoms within a folded protein are determined experimentally. After researchers obtain a protein's structural details, they can use different techniques to highlight particular aspects of the structure
What visual model best displays a protein's secondary structures (? helices and ? sheets)? (a) ribbon (b) space-filling (c) backbone (d) wire