The ________ is a network of nerves running through several areas of the brain, and is responsible for sleep and wakefulness.
A. limbic system
B. reticular formation
C. brain stem
D. medulla oblongata
Answer: B
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Answer the following statements true (T) or false (F)
1. Myosin is a motor protein that walks along intermediate filaments. 2. The flagellum is composed of a 9 + 2 arrangement of microtubules called the axoneme. 3. The Golgi apparatus is much like a warehouse; it processes proteins and sorts them for delivery to certain parts of the cell. 4. Materials move in and out of the nucleus via endocytosis and exocytosis. 5. Both lysosomes and peroxisomes are important for detoxifying substances in the cell.
Most reefs grow at depths of ________ meters or less
a. 15 b. 30 c. 60 d. 25
In freshwater sponges and other simple freshwater animals, water flows into the body by __________. Fill in the blank(s) with the appropriate word(s)
Each time Cyrus drinks milk, he develops gas, bloating, and abdominal discomfort. Cyrus is probably ________
Fill in the blank(s) with correct word