Cell Biology Unit Test Review

Question 1

How do you handle a microscope?

Answer 1

One hand on neck, other hand under base.

Question 2

Know how to focus a microscope…

Answer 2

Power - Focus on low power use coarse adjustment knob then to the fine adjustment knob.,
Power - Focus on medium power use fine adjustment knob
Power - Focus on high power use fine adjustment knob

Question 3

What cell organelle (part) allows substances to pass in and out?

Answer 3

Cell membrane - water is allowed to pass in and out of the cell freely without using energy.

Question 4

True or false - cells do not look like the average cell, they specialize-can change shape and structure

Answer 4

True

Question 5

True or false - Cell membranes found in animals, plants, protists, fungi and bacteria

Answer 5

True

Question 6

True or false - cell walls are not found in plants, some protists and some bacteria.

Answer 6

False

Question 7

Non-Nuclear in bacteria - more than __ to __ minutes so they don’t have enough time to develop.

Answer 7

20-30

Question 8

Nucleus contains ___ (_______ ________)

Answer 8

DNA (genetic material)

Question 9

What is DNA?

Answer 9

It is the blueprint of your cells which is the blueprint of you.

Question 10

When using high power on a microscope, what is the trade-off?

Answer 10

Good - See specimen larger or zoomed in.
Trade-off - Blurry picture, only see part of specimen.

Question 11

Attached Ribosomes-

Answer 11

Small organelles attached to the ER.

Question 12

Endoplasmic Reticulum (ER)-

Answer 12

Transportation

Question 13

Mitochondria-

Answer 13

An organelle found in large numbers in most cells.