IB Biology Cell Review (1.1-1.5)

Which structure is not a component of all cells?

• cell wall
• cell membrane
• genetic material
• ribosomes

The major locomotor structures in bacteria are

• flagella
• pili
• fimbriae
• cilia

Prokaryotic and eukaryotic cells have many differences, but they also share some common features.  Which of the following may be found in either type of cell?

• Golgi bodies
• ribosomes
• mitochondria
• nucleus

Tags

NGSS.MS-LS4-2

What is the function of A?

• movement through watery environment
• store genetic instructions
• stick to host cells
• store genes for antibiotic resistance

Tags

NGSS.MS-LS1-2

A cell will __________________ in a hypotonic solution.

• swell and perhaps burst (lyse)
• shrink
• the size of the cell will not change
• the size of the cell will change from large to small and from small to large

Tags

NGSS.MS-LS1-5

A cell will _____________________ in a hypertonic solution.

• swell
• shrink
• will not change
• will explode

Tags

NGSS.MS-LS1-5

The picture is an example of...

• active tranport
• passive transport
• diffusion
• osmosis

___________ strengthens and stabilizes the cell membrane.

• Carbohydrates 
• Proteins 
• Phospholipids 
• Cholesterol

___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in. 
2.) Enzyme receptors embedded in the membrane.

• Carbohydrates 
• Proteins 
• Phospholipids 
• Cholesterol

Tags

NGSS.MS-LS1-2

In facilitated diffusion, molecules will randomly move through the pores in ______________.

• Carrier proteins 
• Channel proteins
• Ion pumps
• All of the above