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BIO 250 Practice Exam with Correct Solutions
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  • BIO 250
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  • BIO 250

Most of the chemical reactions involved in cellular metabolism are regulated by the body____ - enzymes True/false Intramembranous ossification occurs primarily in the skull of the fetus- True Each of the following is a primary tissue except one. Identify the exception. Muscle tissue Con...

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  • June 22, 2024
  • 3
  • 2023/2024
  • Exam (elaborations)
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  • bio 250 practice exam
  • bio 250 practice answers

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  • BIO 250

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BIO 250 Practice Exam with Correct Solutions
Most of the chemical reactions involved in cellular metabolism are regulated by the body____ - ✅✅ enzymes
True/false
Intramembranous ossification occurs primarily in the skull of the fetus- ✅✅ True
Each of the following is a primary tissue except one. Identify the exception. Muscle tissue
Connective tissue
Nerve tissue
Epithelial tissue
Adipose tissue- ✅✅ Adipose tissue
Depolarization of the sarcolemma at the myoneural junction occurs when____ - ✅✅ Acetylcholine binds to the receptors on the sacrolemma
Parathyroid hormone - ✅✅ -stimulates osteoclast activity
-Increases the rate of calcium absorption from the intestine
-Decreases the rate of calcium excretion by the kidneys
-Raises the level of calcium ion in the blood
Water molecules and small ions enter a cell through? - ✅✅ Channels (pores) in some integral proteins
The central canal of an osteon contains? - ✅✅ Blood vessels
A muscle that is stimulated so frequently that the relaxation phase is completely eliminated is said to exhibit? - ✅✅ Complete tetany
What happens if the body temperature rises above normal? - ✅✅ blood flow to the skin increases
Vitamin D is necessary for? - ✅✅ Absorption of calcium and phosphate ions

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