Table 21 $${ } _ { 8 } ^ { 16 } \mathrm { O } \quad { } _ { 6 } ^ { 12 } \mathrm { C } \quad { } _ { 1 } ^ { 1 } \mathrm { H }$$

question 37

Multiple Choice

Table 2.1 $${ } _ { 8 } ^ { 16 } \mathrm { O } \quad { } _ { 6 } ^ { 12 } \mathrm { C } \quad { } _ { 1 } ^ { 1 } \mathrm { H }$$
-Calculate the molecular weight of ethyl alcohol, C?H5OH, using the information in Table 2.1.

• A) 33
• B) 46
• C) 34
• D) 96
• E) Can't tell

---

Definitions:

Sponge

Simple aquatic animals with porous bodies through which water can circulate, belonging to the phylum Porifera.

Blastopore

The opening that develops during early embryonic development, leading to the formation of the digestive tract in animals.

Deuterostomes

Deuterostomes are a major group in the animal kingdom characterized by the development of the anus from the first opening in the embryo, with humans and other vertebrates being examples.

Protostomes

A clade of animals characterized by embryonic development in which the mouth forms before the anus during early embryogenesis.