Blood pressure is highest in the _____ and lowest in the _____
a. arteries; veins c. veins; arteries
b. arterioles; venules d. capillaries; arterioles
A
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Which of the following is incorrectly paired?
a. villi—increase surface-to-volume ratio for absorption of nutrients b. pancreas—secretes substances that neutralize stomach acid c. gallbladder—produces bile that breaks down fat globules d. colon—functions in water reabsorption
Which characteristic of birds is essential to their ability to fly?
a. pneumatic bones b. cutaneous respiration c. a lateral line d. mammalian lungs
A(n) _cell was used as the donor cell to provide genetic material that produced the cloned sheep, Dolly.5_QC_CS-34450
A. germ-line B. undifferentiated somatic C. mammary gland D. embryonic stem E. egg
Examine this diagram of short tandem repeats found in DNA profiling of three suspects in a crime. Man 1 shares the same number of STRs as 1 in 5,000 people. Man 2 shares the same number of STRs as 1 in 10,000 people. Man 3 shares the same number of STRs as 1 in 3,500 people. DNA extracted from samples at the crime scene found 6 STR repeats, based on the data provided, it can be interpreted that
A. it is more rare to have six STRs than five or seven.
B. Man 2 must be guilty, based on this proof.
C. no conclusion can be made, because the STRs all repeat the same sequence of C-T-A.
D. Man 2 is likely guilty, considering that he has a rare STR profile that matches crime scene samples.
E. STR numbers match Man 2.