In cells that lack a cell wall, cytokinesis begins in which phase?
a. Cytophase
b. Anaphase
c. Interphase
d. Telophase
b. Anaphase
In cells that lack a cell wall, cytokinesis begins in anaphase.
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If a behavior has evolved by natural selection, it must have ______________.
A. benefits for both males and females B. reduced the predation rate on the animal C. evolved the same way in each species D. a genetic basis
Which of the following statements is true?
A) Large patches of habitat usually contain fewer species than small patches. B) Large animals usually have larger home ranges than smaller animals. C) Carnivore home ranges are usually smaller than herbivore home ranges. D) Small species are usually limited to small habitat patches.
One of the laws of heredity that Mendel developed was the law of segregation. What does this law state?
A) Both parents pass on their hereditary information to their offspring. B) When a gamete forms, the two alleles that determine a trait separate so that only one of the alleles is present in the gamete. C) A trait can be either recessive or dominant. D) The gene that controls one trait is inherited separately from a gene that controls another trait.
The accuracy of charging a tRNA with the correct amino acid is about 1.5 × 10-5, which is lower than the error rate of translation (which is about 2 to 5 × 10-4)
Aminoacyl-tRNA synthetases use both kinetic and chemical proofreading. What is the distinction between these two proofreading methods? What will be an ideal response?