The origin of a muscle is the point of its attachment
A. to a bone that moves.
B. on the bone that pushes the muscle.
C. on the bone that is secured with only one tendon.
D. to a stationary bone.
Answer: D. to a stationary bone.
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Gonadotropin-releasing hormone regulates
A. follicle-stimulating hormone. B. luteinizing hormone. C. steroid production by the gonads. D. both follicle-stimulating and luteinizing hormones. E. both follicle-stimulating and luteinizing hormones as well as steroid production by the gonads.
You are given the task of finding all the information that you can about a newly discovered species. Unfortunately the only material you have to study is a small tissue sample. You are able to sequence the DNA of this animal from the sample, and in doing so you find that the animal has multiple clusters of Hox genes. Without looking further, what can you conclude about this species? Check all that apply.
_____ It is a vertebrate. _____ It has the potential for tremendous structural complexity. _____ It is a chordate. _____ It is endothermic. _____ It is a primate.
The technique of "backing down" the purse seine net decrease the number of dolphins caught in it
Indicate whether the statement is true or false
Which of the following allows for the earliest analysis of an embryo for a genetic disease?
1.fetoscopy 2.pre-implantation diagnosis 3.chorionic villus sampling 4.amniocentesis