the gene that codes for the testis-determining factor (TDF) is found in or on
What will be an ideal response?
the Y chromosome
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If you think of the earthworm body plan as a drinking straw within a pipe, where would you expect to find most of the tissues that developed from endoderm?
A) lining the straw B) lining the space between the pipe and the straw C) forming the outside of the pipe D) forming the outside of the straw
Which of the following represents the correct order of vertebrate gastrointestinal tract layers, going from outside the tract to inside the tract?
A. the serosa, submucosa, and the lumen B. the submucosa, the mucosa, the lumen, the plexuses, and the serosa C. the serosa, the mucosa, and the submucosa D. the serosa, submucosa, and the mucosa E. the mucosa, the plexuses, and the serosa
Why is it important that humans attempt to control their numbers and begin to identify renewable resources?
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water is created in which organelle?
What will be an ideal response?