Fractures

What will be an ideal response?


Breaks in bones. During youth, most fractures result from trauma. In old age, most result from weakness in bone due to bone thinning.

Biology & Microbiology

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In woody plants, the root epidermis is replaced by periderm. Indicate whether the statement is true or false

Biology & Microbiology

When starting with a single molecule of glucose, how many times does oxidation occur during the

conversion of pyruvate to acetyl CoA in the process of cellular respiration?

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

Biology & Microbiology

The earth and other planets of the solar system

were formed about ____ billion years ago.

a. 3.8 b. 4.6 c. 3.0 d. 2.9 e. 5.1

Biology & Microbiology

Planarians lack dedicated respiratory and circulatory systems because _____

A) none of their cells are far removed from the gastrovascular cavity or from the external environment B) they lack mesoderm as embryos and, therefore, lack the adult tissues derived from mesoderm C) their flame bulbs can carry out respiratory and circulatory functions D) their body cavity, a pseudocoelom, carries out these functions

Biology & Microbiology