Quizzes through Midterm

Question 1

Are protozoa prokaryotes or eukaryotes?

Answer 1

eukaryotes

Question 2

What taxonomic unit is broadest?

Answer 2

domain

Question 3

What propels a paramecium?

Answer 3

cilia

Question 4

How are trypanosomes transmitted from human to human?

Answer 4

Tsetse fly

Question 5

Which are larger, bacteria or protozoa?

Answer 5

protozoa

Question 6

What color are Gram negative bacteria?

Answer 6

red

Question 7

Are bacteria prokaryotes or eukaryotes?

Answer 7

prokaryotes

Question 8

Do bacteria have a nucleus?

Answer 8

no

Question 9

(T/F) Some bacteria are shaped like pyramids.

Answer 9

false

Question 10

How can you control the amount of light coming through the microscope?

Answer 10

iris diaphragm or light adjustment knob

Question 11

What is the purpose of heat fixing the bacteria during the Gram stain?

Answer 11

make bacteria stick to slide

Question 12

What does the iodine do in the Gram stain process?

Answer 12

makes purple stain stick to cell wall

Question 13

What should you NEVER do to the microscope?

Answer 13

drop it

Question 14

(T/F) If someone catches fire in lab the instructor should be notified immediately.

Answer 14

true

Question 15

What propels a euglena?

Answer 15

Flagella

Question 16

Which are the largest Algae?

Answer 16

Brown Algae

Question 17

Under the microscope, how can you tell the difference between a cyanobacteria and spirogyra (green algae)?

Answer 17

Spirogyra have nucleus and/or membrane-bound organelles

Question 18

How do ascomycota reproduce / what do they make to reproduce?

Answer 18

Spores

Question 19

In a gram stain, what is added after the crystal violet (purple) stain to cause the purple stain to affix (stick) to a gram positive bacteria’s cell wall?

Answer 19

Iodine

Question 20

Which polysaccharide stiffens the cell wall of fungi?

Answer 20

Chitin

Question 21

What is the major contribution fungi make to ecosystems?

Answer 21

Decomposers