Scenario The First Prokaryotic Cells Gave Rise to Eukaryotic Cells Approximately

question 21

Multiple Choice

Scenario
The first prokaryotic cells gave rise to eukaryotic cells approximately 1.7 billion years ago. The structure of eukaryotic cells today suggests how they might have evolved from their prokaryotic ancestors. Scientists examining mitochondria and chloroplasts now think that these organelles were probably free-living prokaryotes before becoming a part of eukaryotic cells long ago.
-What evidence suggests that mitochondria might have evolved before chloroplasts?

• A)Mitochondria can sometimes divide to produce chloroplasts.
• B)Only mitochondria have their own DNA.
• C)Some mitochondria have chloroplasts inside of them.
• D)Almost all eukaryotes have mitochondria but only some cells have chloroplasts.

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Definitions:

Cash Account

A financial account that records cash transactions, both receipts and disbursements, within a business.

Retained Earnings

The portion of net income that is not distributed to shareholders as dividends but is kept by the company to reinvest in its core business or to pay debt.

Liability Account

An accounting record that captures the amounts a company owes to creditors.

Creditors

Creditors are individuals or entities to whom a company owes money for goods or services that have been provided.