Of the proteoglycans associated with the extracellular matrix in vertebrates, which of the following is associated with the lubrication of joints?
A) chondroitin sulfate
B) glucuronate
C) hyaluronate
D) keratan sulfate
E) mucoproteins
C) hyaluronate
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A typical gene has _____ enhancer sequence(s); each enhancer sequence has ____ regulatory transcription factor
A. several; one B. several; several C. from 10-20; from 2-10 D. one; several E. one; from 2-10
If 100 females produce 50 offspring, the age specific fertility rate is
A. 0.75. B. 0.5. C. 2. D. 50. E. impossible to calculate with this information.
Endogenous infectious agents arise from microbes that are ________.
A. in food B. in the air C. transmitted from one person to another D. on fomites E. the patient's own normal biota
Which of the following terms belongs with the words synapsis, tetrads, and chiasmata?
A) haploid B) crossing over C) autosomes D) prophase II E) fertilization