Answer the following statements true (T) or false (F)
1. Juvenile hormone is a critical growth regulatory and maturity hormone in people.
2. A growth-hormone releasing hormone tumor in the brain could lead to stunted growth in children.
3. Insulin's affect on reducing blood glucose levels are counteracted by glucagon's actions, which increase blood glucose.
4. Often one is not acclimated to the cold after having moved from a warm to cooler climate. Similarly, individuals may have difficulty adjusting to the heat after having moved from a cold to warm region. This difficulty in acclimating to different temperatures most likely requires adjustments in thyroid gland activity.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
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Guard cells contain chloroplasts
a. True b. False
All of the following can result in acquired immune deficiency except ________.
A. bacterial infection B. enzyme deficiency C. malnutrition D. radiation treatment E. stress
Who was the first person acknowledged to have seen living, moving cells by using a microscope?
A. Robert Hooke B. Robert Brown C. Galileo Galilee D. Rudolf Virchow E. Anton van Leeuwenhoek
How was it determined that X-rays are mutagenic?
What will be an ideal response?