Answer the following statements true (T) or false (F)
1. Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.
2. Anastomoses among coronary arterial branches provide collateral routes for blood delivery to the heart muscle
3. Congestive heart failure means that the pumping efficiency of the heart is depressed so that there is inadequate delivery of blood to body tissues
4. Tissues damaged by myocardial infarction are replaced by connective tissue.
5. The left side of the heart pumps the same volume of blood as the right.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. TRUE
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What will be an ideal response?
Triglycerides and steroids are both examples of
A. essential amino acids. B. carbohydrates. C. nonessential amino acids. D. proteins. E. lipids.
Given the following list of organic molecules, which includes hormones? 1) Nucleic acid derivatives 2) Polypeptides 3) Steroids 4) Proteins
A. 1, 2, 3, 4 B. 1, 2, 3 C. 1, 3, 4 D. 1, 2, 4 E. 2, 3, 4