In the Hershey-Chase experiments, _____ accumulated at a greater rate inside the bacterial cells, indicating that the
bacteriophage that infected the bacteria had recently _____.
a. 35S; inserted protein into the bacteria
b. 35S; inserted DNA into the bacteria
c. 35S; degraded protein in the bacteria
d. 32P; inserted protein into the bacteria
e. 32P; inserted DNA into the bacteria
ANSWER: b
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Let R = red pigment and r = no pigment. In carnations, RR offspring make a lot of red pigment, rr offspring make no pigment and Rr offspring make a small amount of red pigment, thus appearing pink. Pink carnations are therefore an example of
A. codominance. B. incomplete dominance. C. epistasis. D. pleiotropy.
Chlorophyll a absorbs which color(s) of light?
a. red b. green c. violet d. red, violet, and orange e. red, violet, and green
Which tissue has very little extracellular matrix, acts as an insulator, and is used to store chemical energy?
a. loose connective tissue b. blood c. cartilage d. fibrous connective tissue e. adipose tissue
Beginning with the heart, which is the correct order of blood flow, as represented by steps 1-5 in the flow chart below?
a. capillaries, venules, veins, arteries, arterioles b. arterioles, arteries, venules, veins, capillaries c. arteries, arterioles, capillaries, venules, veins d. veins, venules, capillaries, arterioles, arteries e. arteries, veins, arterioles, capillaries, venules