Which type of problems result from mutations in mitochondrial DNA (mtDNA)?
A. Reduced cellular energy
B. Balanced translocations
C. Excessive "crossing over"
D. Single nucleotide polymorphisms
A) reduced cellular energy
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Which of the following traits is NOT characteristic of Caulobacter?
A) abundant in aquatic habitats rich in nutrients B) produces a cytoplasmic outgrowth (prostheca) C) attaches to surfaces in nature D) asymmetric cell division
What important structure uses lenticels to communicate with the atmosphere in mangroves?
a. Pneumatophores b. Aerenchyme c. Chromatophores d. Nutritive roots
Sympatric speciation occurred in the cichlid fishes within the same lake in Africa. How could this occur without physical separation?
What will be an ideal response?
The application of __________ substitutes for low temperature or light requirements for biennial
germination. a. indoleacetic acid b. indolebutyric acid c. naphthaleneacetic acid d. gibberellins e. ethephon