Which term defines a group of cells that work together to perform a particular function?
a) tissue
b) organ
c) molecules
d) compounds
e) organism
Answer: a
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Bones that form within tendons in response to stress are called __________ bones.
A. wormian B. sutural C. patellar D. sesamoid
The most likely outcome of nondisjunction is the production of a gamete receiving ________.
A. 22 chromosomes B. 44 chromosomes C. no chromosomes D. 23 chromosomes E. 46 chromosomes
Hydrogen bonds are important for all of the following except:
A. producing surface tension in water B. helping hold DNA strands together C. helping atoms give up or receive electrons D. helping hold a protein structure together
What does "B" represent on the diagram of the skull and brain?
A. Subarachnoid space B. Subdural space C. Dural venous sinus D. Arachnoid mater E. Pia mater