April has an abundance of freckles, a physical expression of her genes known as the:
A) homologous. B) genotype. C) phenotype. D) alleles.
Answer: C
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Answer the following statements true (T) or false (F)
1. The terms energy level and electron orbital are interchangeable. 2. Elements are pure substances. 3. The terms molecule and compound are interchangeable. 4. A formula of a compound tells you the number and types of elements that make up that compound. 5. The elements sodium, oxygen, hydrogen, and nitrogen make up 96% of the human body.
Exhaustion of energy reserves or decline in pH due to production and dissociation of lactic acid causes
A) muscle contraction. B) the conduction of neural information to the muscle fiber. C) muscle relaxation. D) muscle fatigue. E) the striated appearance of skeletal muscle.
A condition in which the signs and symptoms develop gradually over time is called ________.
A. chronic B. acute C. remission D. exacerbation
This figure shows the spinal cord and spinal nerves. What structure does number 2 indicate?
A. Dura mater B. Filum terminale C. Cauda equina D. Conus medullaris E. Posterior rootlets