Compare the leaf structure of monocots and eudicots. What will be an ideal response?
Monocots: Have parallel venation, lack a petiole, mesophyll not differentiated into palisade
and spongy layers, guard cells can have the shape of either kidney beans or dumbbells.
Eudicots: Have netted venation, have a petiole, mesophyll differentiated into palisade and
spongy layers, guard cells have the shape of kidney beans.
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In a mammal's bloodstream, where would you expect to find oxygen? Select all correct
A. dissolved in blood plasma B. attached to the heme group of myoglobin in red blood cells C. attached to the heme groups of hemoglobin in red blood cells D. attached to the heme group of myosin in red blood cells E. dissolved in hemolymph
Which of the following is the role of calcium-dependent protein kinases?
A. receptor molecule B. affector molecule C. messenger molecule D. effector molecule E. all of the choices
Animal A can breed with animal D and produce a fertile offspring, animal C. If animal A breeds with animal B, they have a sterile offspring, animal E. The animals that belong to the same species are
A. A and E. B. A and B. C. A and C. D. B and E.
If a diploid cell has 12 chromosome pairs, how many different combinations of chromosomes are possible in gametes after meiosis?
A) 1012 B) 122 C) 212 D) 1212 E) 1220