microscope and membrane quiz

The eyepiece of the microscope is used to

• look through and magnify object

• alter the magnification of the object

• hold the slide so it is visible

• all of the above

The diaphragm of the microscope is used to

• adjust the light

• turn the light off

• adjust the slide

• hold the slide

The course adjustment is only used

• on high power

• on low power

• when the light is off

• as a magnification tool

The fine adjustment is used

• to focus objects on low power

• focus objects on high power

• move the slide to center it

• hold the slide in place

If an eyepiece has a magnification of 10x and the objective has a magnification of 10x, what is the total magnification

• 20x

• 30x

• 10x

• 100x

What is the name of this part of the microscope?

• Eye piece

• Objective lenses

• Arm

• Light source

the main part of the cell membrane is made of __________

• protein

• carbohydrate

• cholesterol

• phospholipid

The intermediate filaments are used for _____________while actin fibers are used for ________

• cell stucture; muscle contraction

• muscle contraction; cell structure

• cilia and flagella; muscle contraction

• muscle contraction; cilia and flagella

The molecule in the cell membrane used for transport of large molecules, as well as receptors

• carbohydrates

• proteins

• phospholipids

• microtubules

osmosis moves ___________ with the gradient, while diffusion moves ________molecules with the gradient

• water; small

• small; water

• large; water

• water; large