PRE-LAB 2 BIOLUMINESCENCE

Question 1

____________are signaling molecules secreted by bacteria to communicate with other bacteria of the same kind.

Answer 1

autoinducers

Question 2

What is bioluminescence?

Answer 2

bio= life
Luminescence = emission of life
ability of an organism to produce light

Question 3

It refers to the components of living animals and the interactions among those components that enable them to perform as they do.

Answer 3

mechanism

Question 4

Fireflies are not flies but they are

Answer 4

beetles

Question 5

What does fireflies have that allows them to emit light?

Answer 5

have light cell in their light organs found in the posterior end of the abdomen

Question 6

Light cells are supplied by ________ which is responsible for the interaction of oxygen

Answer 6

Fine gas transport tubules

Question 7

Fine gas tubules were first seen in ______ through ______

Answer 7

Asian fireflies
advanced X-RAY methods

Question 8

The blinking of light are due to the ______

Answer 8

amount of oxygen present

Question 9

Firefly requires the following to emit light

Answer 9

1. Light organ - contains light cells
2. Luciferin - chemical
3. Luciferase - catalyzes the oxidation
4. Oxygen-
5. ATP - cellular fuel

Question 10

firefly with a J-shaped flash pattern

Answer 10

Photinus pyralis

Question 11

Light organ are consists of

Answer 11

reflector
light cells
transparent exoskeleton