Could two phenotypically normal parents have a child with Hemophilia A?
a. Yes
b. No
a
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A farmer has adopted a new program of integrative pest management. What will this program entail for the farmer and his crops? Select all correct choices
A. The farmer will assess which pests are consuming his crops. B. The farmer will use commercial pesticides sparingly. C. The farmer will introduce natural predators for the pests onto his farmland. D. The farmer will place nets around his crops (if possible).
Smooth muscle has all of the following characteristics except:a
being attached to bones via tendons. b. having sustained contractions. c. requiring less ATP to maintain a high level of force. d. contracting slowly. e. having muscle fibers capable of greater shortening than striated muscle.
A thin layer chromatogram is useful for
(a) measuring the amount of photosynthesis. (b) determining the amount of gas produced during photosynthesis. (c) separating pigments based on their physical characteristics. (d) determining the presence of sugars in a leaf.
Which of the following statements about homeostasis is false?
A. It depends primarily on positive feedback. B. It is the maintenance of a steady physiological state within an organism or cell. C. It is necessary for proper functioning of the body. D. The endocrine system plays a major role in maintaining homeostasis. E. None of the answer options is false.