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(D) stomach
(E) liver
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Lesson 9
256
w w w . p e t e r s o n s . c o m / a r c o
ARCO
■ SAT II Subject Tests
26. A dominant gene that shows X-linked inherit-
ance is being studied by a biologist. If an affected
male is mated with an unaffected female, which
of the following most likely represents an accu-
rate description of their immediate offspring?
(A) 100% affected males, 0% affected
females
(B) 0% affected males, 100% affected
females
(C) 50% affected males, 25% affected
females, 100% carrier females
(D) 50% affected males, 50% affected fe-
males, 100% carrier females
(E) 25% affected males, 25% affected fe-
males, 25% carrier females
27. The diagram below depicts the cell cycle for
an asynchronously growing cell population
(cells at each stage are present at any given
time). If the cell population is briefly exposed
to 
3
H-thymidine, cells at which phase would
immediately demonstrate incorporation of the
radiolabeled thymidine?
(A) M
(B) G
1
(C) S
(D) G
2
(E) S and M
28. Energy dependent processes for cellular trans-
port include each of the following EXCEPT
(A) cytoplasmic streaming in algae
(B) Na
+
– K
+
ATPase
(C) osmosis
(D) axonal transport
(E) active transport
29. Which of the following is not a direct func-
tion of the vertebrate liver?
(A) Synthesis of plasma proteins
(B) Carbohydrate metabolism
(C) Deamination
(D) Reabsorption of water