The relationship between strands of RNA and DNA is
a. antagonistic.
b. opposite.
c. complementary.
d. an exact duplicate.
e. unrelated.
C
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Severe pain in the lower right abdomen along with fever and nausea is often a sign of an infection in this structure.
A) Large intestine B) Stomach C) Esophageal cancer D) Appendix E) Mouth F) Salivary glands G) Rectum H) Cirrhosis I) Gallbladder J) Small intestine
Transgenic mice carrying a mutant human SOD1 gene are used as models to study _____________________
Fill in the blank(s) with correct word
Each of the following bones is part of the axial skeleton EXCEPT which one?
A) ribs B) vertebrae C) sternum D) maxilla E) clavicle
One chromosomal abnormality that is usually fatal is
a. a mutation in a gene. b. an exchange of material between homologous chromosomes. c. extra copies of sex chromosomes. d. the addition of an extra autosomal chromosome.