Which Observation Is Not Evidence That Supports the Theory That

question 2

Multiple Choice

Which observation is not evidence that supports the theory that mitochondria and chloroplasts originate from symbiotic bacteria?

• A)Genes for both mitochondrial and chloroplast RNA polymerase are encoded in the DNA of these organelles.
• B)Both mitochondria and chloroplasts are about the same size as bacterial cells.
• C)Chloroplast RNA polymerase is similar in sequence to that of cyanobacteria.
• D)Both mitochondria and chloroplasts have their own DNA.

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Definitions:

Tremors

Involuntary, rhythmic muscle movements involving to-and-fro movements of one or more parts of the body.

Rhythmic Jerking

Repetitive, involuntary jerking movements that occur in a rhythmic pattern, often seen in seizure disorders.

Guthrie Test

A screening test for newborns to detect metabolic disorders, using a blood sample from the baby's heel.

PKU

Phenylketonuria, a genetic disorder leading to the buildup of phenylalanine in the body, causing intellectual disability and other health issues if untreated.