The Earliest Cells

The Earliest Cells

Assessment

Flashcard

Biology

12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What was the composition of the early atmosphere?

Back

The early atmosphere had very little oxygen.

2.

FLASHCARD QUESTION

Front

What is the plasma membrane?

Back

The plasma membrane is a phospholipid bilayer that surrounds the cell.

3.

FLASHCARD QUESTION

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is the site of many cellular processes.

4.

FLASHCARD QUESTION

Front

What significant event occurred around 2.2 billion years ago in relation to bacteria?

Back

Bacteria started producing oxygen by photosynthesis.

5.

FLASHCARD QUESTION

Front

What are the three domains of life?

Back

The three domains of life are Archaea, Bacteria, and Eukarya.

6.

FLASHCARD QUESTION

Front

What is the function of ribosomes?

Back

Ribosomes are organelles made of protein and RNA that direct protein synthesis.

7.

FLASHCARD QUESTION

Front

What is the role of photosynthesis in early cells?

Back

Photosynthesis allowed early cells, particularly bacteria, to produce oxygen, which changed the composition of the atmosphere.

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