Biology STAAR 4A

1 The picture shows a student using a microscope to study a prepared slide of a single-celled organism.

A single-celled organism can be classified as a prokaryote based on the absence of —

• a cell membrane

• ribosomes

• chromosomes

• a nucleus

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

23 Both euglena and cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that distinguishes euglena from cyanobacteria is the —

• ability to maintain homeostasis

• presence of ribosomes

• ability to reproduce

• presence of a nuclear membrane

Tags

NGSS.MS-LS4-2

6. Students use a microscope to look for structures present in four different cells. The students placed an X for each structure that was viewed for each cell on the table shown. Which cell that was viewed is most likely a prokaryote?

• F. Cell W

• G. Cell X

• H. Cell Y

• J. Cell Z

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

46 Some students used information they gathered from lab investigations to prepare a table. They entered the table in their lab notebooks.

Which of these correctly identifies the two cells described in the table?

• Cell 1 is eukaryotic, and Cell 2 is prokaryotic.

• Cell 1 is prokaryotic, and Cell 2 is eukaryotic.

• Both Cell 1 and Cell 2 are eukaryotic.

• Both Cell 1 and Cell 2 are prokaryotic.

Tags

4A

40. A student groups different types of cells as shown.

Which table headings should the student use for the two groups?

• 
• 
• 
• 

Tags

4A

14. Students created note cards comparing characteristics of eukaryotic and prokaryotic cells. Which set of note cards most accurately compares these cells?

• 
• 
• 
• 

Tags

4A

What kind of cell is this?

• Eukaryotic
• Prokaryotic

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic 

What type of cell does not have a nucleus?

• eukaryotic 
• prokaryotic 

Which of the following is a characteristic of both Eukaryotic and Prokaryotic cells?

• ribosomes
• nucleus
• membrane bound organelles
• simple