Codons are three contiguous mRNA bases
Indicate whether the statement is true or false
TRUE
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Match the response with the type of chemical.
1. pupil dilation 2. salivation 3. decreased activity in digestive tract 4. fat breakdown A. sympathetic agonist B. parasympathetic agonist
Which structure is the site of implantation?
A) Ovary B) Uterine tube C) Vagina D) Uterus
Answer the following statements true (T) or false (F)
1. Fluid loss can occur from the kidneys, lungs, skin, or intestines. 2. The fluid output that changes most is the amount of sweat lost from the skin. 3. The body regulates the amount of fluid lost by increasing or decreasing the amount of urine produced. 4. ADH tends to increase the amount of urine produced. 5. ADH tends to increase the amount of water reabsorbed by the body.
Which of the following is not true of red blood cells?
A. They transport oxygen through the blood, but not carbon dioxide. B. They are also called erythrocytes. C. They contain hemoglobin for gas transport. D. The biconcave disc shape makes them look hollow in their centers. E. All of these are true of red blood cells.