When you look at a bone, you see solid bone. What is inside the bone?

What will be an ideal response?


Most bones have spongy bone on the inside. Inside the spongy bone is fat, and in some bone there is red marrow, where bone cells are formed in adult humans. Long bones have a marrow cavity in the shaft of the bone, mostly filled with fat.

Biology & Microbiology

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Recent research suggests that a homing pigeon can navigate to its home coop from any direction by using ____ as

their compass and ____ as their map.

a. the position of the Sun; olfactory cues b. the position of the stars;other visual cues c. olfactory cues; the position of the stars d. olfactory cues; the position of the Sun e. landmarks; olfactory cues

Biology & Microbiology

What is the main functional difference between kinetochore microtubules and nonkinetochore

microtubules?

What will be an ideal response?

Biology & Microbiology

The structure that is covered with cilia is labeled

a. 1. b. 2. c. 3. d. 4. e. 5.

Biology & Microbiology

In the regulation of gene expression, anything that increases the binding of RNA polymerase to a gene's promoter region could be called:

a. positive translational control b. negative translational control c. a situation due to an inactive repressor d. positive transcriptional control e. negative transcriptionalcontrol

Biology & Microbiology