Mitochondrial DNA polymerase does not have an error checking mechanism such as that of nuclear DNA polymerase. This would be expected to lead to a higher rate of which type of mutation in mitochondrial DNA?

TLS Online TPP Program

#Question id: 2955

#Unit 2. Cellular Organization

Cyclin is to MPF as ............ is to cyclin-dependent kinases.

TLS Online TPP Program

#Question id: 2956

#Unit 2. Cellular Organization

The product of the cdc2 gene is

TLS Online TPP Program

#Question id: 2957

#Unit 2. Cellular Organization

A mutation in the gene that codes for p53 can result in-

A. loss of an inhibitor protein, p21.

B. loss of a transcription factor.

C. uncontrolled cell growth and cancer.

Which of the following is correct?

TLS Online TPP Program

#Question id: 2958

#Unit 2. Cellular Organization

Which of the following structures is not a feature of the mitotic chromosome?

TLS Online TPP Program

#Question id: 2959

#Unit 2. Cellular Organization

During which of the following mitotic phases are chromosomes dispersed the most?

TLS Online TPP Program

#Question id: 2960

#Unit 2. Cellular Organization

Which type of spindle microtubules are attached to chromosomes?