A tennis player suffered an injury after a long match. Her elbow was significantly swollen and irritated. She most
likely damaged what structure in her elbow joint?
a. ligaments
b. bursae
c. cartilage
d. synovial membrane
e. myofibrils
ANSWER: b
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Quorum sensing
A. depends on the sensing of signal protein molecules. B. is a phenomenon in which bacteria monitor their own population density. C. plays an important role in formation of biofilms by Pseudomonas aeruginosa. D. All of the choices are correct.
In corn, having ligules (L) is dominant to liguleless (l), and green leaves (G) is dominant to white leaves (g). If a pure-breeding liguleless plant with green leaves is crossed to pure-breeding plant with ligules and white leaves, predict the proportion of F2 progeny with the genotype Ll gg.
A) 1/16 B) 1/8 C) 1/4 D) 1/2 E) Cannot be determined
Occasionally, chromosomes fail to separate during meiosis, leading to daughter cells that have an abnormal number of chromosomes. This phenomenon is called
A. chromosome inactivation. B. nondisjunction. C. crossing over. D. epistasis. E. pleiotropy.
The enzyme (amylase/hyaluronidase/lipase) can be used in injected medications to enhance their rate of absorbance
What will be an ideal response?