________ are the units of muscle contraction.
a. Actin
b. Myofibrils
c. Myosin
d. None of these choices
e. Sarcomeres
e
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An organism that can exist in both oxygen and oxygen-free environments is a(n) ________.
A. facultative anaerobe B. obligate anaerobe C. microaerophile D. obligate aerobe E. aerobe
Please match each category of disease with the correct example.
A. Seizure B. Tumor C. Movement D. Injury E. Mood F. Headache G. Neurodegenerative H. Demyelinating I. Infectious J. Sleep
An autoimmune disease in which the synovial membrane thickens and becomes inflamed is called:a
osteitis. b. osteoporosis. c. rheumatoid arthritis. d. osteoarthritis. e. osteon disease
Alterations in DNA, whether they occur by mistake during replication, or as a result of some type of damage, can lead to mutations. Mutations, however, are rare in terms of leading to actual damage to a cell. Why?
What will be an ideal response?