Tim and Tom are
a. twin brothers with the same mitochondrial disease.
b. chaperones.
c. protein translocators in mitochondrial membranes.
d. pores in the outer mitochondrial membrane.
Ans: b. chaperones.
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Which of the following are among the major components of prokaryotic ribosomes?
A) lipids and carbohydrates B) 16S rRNA, 5S rRNA, and 23S rRNA C) 16S rRNA, 5.8S rRNA, and 28S rRNA D) 18S rRNA, 5.8S rRNA, and proteins E) 12S rRNA, 5.8S rRNA, and proteins
In an equilibrium population
A) population size cannot change. B) allele frequencies do not change. C) rates of gene flow are constant. D) natural selection occurs. E) mutation rates do not change.
Scorpions do not lay eggs but rather give birth to live young.
Answer the following statement true (T) or false (F)