All of the Following Are Evidence in Support of the Endosymbiotic

question 24

Multiple Choice

All of the following are evidence in support of the endosymbiotic origin of mitochondria, except?

• A) Mitochondiral genetic codes (codons) are related to each other across phyla, and are distinct from nuclear genetic codes.
• B) Mitochondria maintain their own DNA.
• C) Transcription in mitochondria is performed by an enzyme similar to bacterial RNA polymerase.
• D) Yeast cells can live without mitochondria.
• E) Mitochondria have a double membrane.

---

Definitions:

Direct Labor-hours

A measure of the amount of time spent by workers who are directly involved in the manufacturing process.

Variable Overhead Item

Costs that vary with the level of production output, such as utilities or materials, and are not fixed over the short term.

Rate Variances

The difference between the actual rate paid for inputs and the standard rate expected, often analyzed for labor or overhead rates.

Efficiency Variances

The difference between the actual amount of an input used and the expected (or standard) amount needed, multiplied by the standard cost per unit of input.