Chap 2 B

Question 1

Is the process by which the body changes food and drink into energy

Answer 1

Metabolism

Question 2

Metabolism is differentiated in 2 process

Answer 2

Catabolism
Anabolism

Question 3

– involves the enzymatic degradation of large nutrient
molecules from an organisms reserves or from the environment

Answer 3

Catabolism

Question 4

is the enzymatic synthesis of larger cell components from
smaller precursors.

Answer 4

Anabolism

Question 5

Sources of enzyme

Answer 5

Salivary glands
Digestive enzymes of the midgut
Microorganisms

Question 6

an enzyme that can hydrolyze cellulose & free glucose from cellulose.

Answer 6

Cellulase

Question 7

– is the exchange of food between the colony members in social insects)

Answer 7

Trophallaxis

Question 8

Beeswax which is not digested by most animals, is the
food of the wax moth larva___

Answer 8

Galleria melonella

Question 9

The primary excretory organ of the insect but operate in a different manner

Answer 9

Malpighian tubule

Question 10

waste materials may be retained in the body in a harmless form
instead of being excreted as urin

Answer 10

Storage secretion

Question 11

cells that absorb or engulf foreign substances from
hemolymph

Answer 11

Nephrocytes

Question 12

in the absence of malpighian tubules, these tubular glands have enzymes to digest wastes and returned the blood for anabolism

Answer 12

Labial kidney

Question 13

Their function as excretory organs was not determined until 1815.
Most of what we know about Malpighian tubule function is based on
examinations of three insects: Rhodnius prolixus, Aedes aegypti, and
Drosophila melanogaster.

Answer 13

Vasa varicose 1669

Question 14

Is the main protein wool, hair and feathers
- made of polypeptide chains

Answer 14

Keratin