The Nocardiaceae bacterium, Rhodococcus, is of considerable interest because of its variety of enzymatic degradation pathways. Which of the following is(are) able to be broken down by Rhodococcus? (Check all that apply.)
A. Petroleum hydrocarbons
B. Stainless steel
C. Pesticides
D. Detergents
Answer: D
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What specifically separates during anaphase of mitosis?
A. The genome B. The cytoplasm C. Sister chromatids D. Homologous chromosomes
Diploid somatic cells of elephants have 56 chromosomes. If nondisjunction of one of an elephant's chromosomes occurs in meiosis II, the resulting sperm are expected to have the chromosome complement:
A. 28, 28, 28, 28 B. 28, 28, 29, 27 C. 29, 29, 27, 27 D. 29, 29, 28, 28 E. 56, 56, 57, 55
Any heightened immune response resulting in tissue damage is called a(n) ________.
A. autoimmune disease B. desensitization C. immunodeficiency D. transfusion reaction E. hypersensitivity
What protects mRNA from attack by cellular enzymes?
A) RNA splicing B) the removal of exons C) the lack of RNA-digesting enzymes in the cytoplasm D) a cap and tail