The axial skeleton includes all EXCEPT which of the
following?
a. skull
b. ribs
c. pectoral girdle
d. sternum
e. vertebral column
Answer: c
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What is one component that is needed to perform a PCR?
A. primers B. DNA ligase C. RNA polymerase D. deoxynucleoside triphosphates
Hox genes are known to be important for: (check all that apply)
_____ spatial patterning. _____ apoptosis. _____ cell metabolism. _____ cell-cell adhesion.
Consider a dihybrid cross (AABB x aabb AaBb F1 F2 gen.) Which of the following genetic phenomena would result in different F2 ratios from what Mendel reported?
A: Linkage of the "A" and "B" gene loci B: Gene interaction (epistasis) of alleles of the two genes C: Incomplete dominance of A and a alleles of the "A" gene D: A and B E: All of the above.
Name four ways roots benefit a plant.
What will be an ideal response?