Name the part of the motor neuron that performs the function. Cell C forms myelin, and provides support and protection for neurons. Cell C is called [a] cell. Structure D transmits information from the motor neuron to skeletal muscle, causing the muscle to contract. Structure D is called [b].

Name the body cavity that fits the description. Cavity B is the [a] cavity. It houses and protects the brain. Cavity D is the [b] cavity. It houses digestive and excretory organs.

The figure shows the stages of the cell cycle. Identify the cell cycle stage that fits the description. Write the letter (M, C, G1, S, G2) only. The cell divides the contents of the cytoplasm to form two daughter cells. [a] The cell segregates duplicate chromosomes into single chromosomes. [b]

In what phase of mitosis is plant cell E? [a] Which plant cell is in interphase (not dividing)? [b] Write the letter.

What phase of mitosis does the plant cell model represent? [a] Chromosomes in the middle of the cell are (single or duplicated). [b] Choose your answer from the italicized words.

Examine the tissue specimen. The specimen is [a] tissue. The dark, fibrous structure at the arrow tip is called [b].

Examine the connective tissue specimen. Name the tissue at the arrow tip. [a] The cytoplasm of the cells are almost 80% [b] making the cells appear white and empty.

Name the epithelial tissue that performs the function.[a] epithelial tissue allow for rapid gas and fluid exchange in the lungs, kidney tubules, and capillaries. (two words)Mammalian skin is made of [b] epithelial tissue to provide protection from the environment.

Examine the slide specimen prepared from the thyroid gland. The tissue that encloses the globule of colloid is (simple, stratified, pseudostratified) [a] (squamous, cuboidal, columnar) [b] epithelial tissue. Choose your answers from the italicized words.

The figure shows the stages of the cell cycle. Identify the cell cycle stage that fits the description. Write the letter (M, C, G1, S, G2) only. The cell increases in size and builds up energy reserves. [a] The cell reorganizes contents in preparation for division. [b]