Biology Major Field Test Study Set with Complete Solutions (Already Graded A+)
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Biology Major Field
Biology Major Field Test Study Set with Complete Solutions (Already Graded A+)
RFLP - Answer restriction fragment length polymorphisms; diff in length of fragments made by restriction enz digestion of 2 DNA samples
ruminants - Answer variations in: enlarged multichambered stomachs; length o...
Biology Major Field Test Study Set
with Complete Solutions (Already
Graded A+)
RFLP - Answer ✔ restriction fragment length polymorphisms; diff in length of fragments
made by restriction enz digestion of 2 DNA samples
ruminants - Answer ✔ variations in: enlarged multichambered stomachs; length of
alimentary canal; shape of teeth
trachae - Answer ✔ resp tubules that make up anthropod resp sys. open to outside
through spiracles
cloaca - Answer ✔ opening found at tail end of reptiles used for excretion and resp
homeotherms - Answer ✔ maintain nearly constant body temp even as surroundings
change (endotherms)
air sacs - Answer ✔ allow fresh air to flow through lungs even during exhalation; present
in birds; even in bones for better flight
lamellae - Answer ✔ platelike structures on filaments of gill arches where O2 diffusion
occurs in fish
Bohr Effect - Answer ✔ O2 dissociation curve shifts right as pH drops; ev adaptation;
hgb looses O2 more quickly in acidic environ. (to help O2 get into cells)
myoglobin - Answer ✔ resp pigment found in muscle cells and where O2 used most
quickly; higher O2 affinity
protonephridia - Answer ✔ series of tubes in flatworms to tx excretory waste through;
end in hollow bulbs (flame cells)
, nephridia - Answer ✔ specialized tubes to excrete mineral salts and urea in annelid
worms
Malphhigian tubes - Answer ✔ outfoldings of digestive tract in the midgut of insects for
absorption
ectotherms - Answer ✔ coldblooded; not capable of maintaining constant int temp
(reptiles; amphibians etc.)
established/innate reflex - Answer ✔ unconditioned stim and response it naturally elicits
neutral stimulus - Answer ✔ stim that will not by itself elicit a response
display - Answer ✔ innate behavior that has evolved as a signal for comm b/w members
of same sp.
interoceptors - Answer ✔ monitor aspects of int environ
proprioceptors - Answer ✔ transmit info regarding position of body in space
exteroreceptors - Answer ✔ sense things in ext environ
endolymph - Answer ✔ fluid that fills 3 semicirc canals of ear
motor end plate - Answer ✔ special region where motor nerve synapses on a muscle
hydrostatic skeleton - Answer ✔ fluid skeleton; fluid held under pressure within closed
body cavity (earthworm)
exoskeleton - Answer ✔ hard shell or casing deposited on the surface of an organism
(insects)
endoskeleton - Answer ✔ internal sys of bones and cartilage that support surrounding
soft tissues (vertebrates)
chemotaxis - Answer ✔ movement in a direction based on a gradient of a diffusible
chem that is sensed by smell (WBCs)
monozygotic twins - Answer ✔ identical; single zygote splits into 2 embryos
dizygotic twins - Answer ✔ two ova released in one ovarian cycle and are fertilized by 2
diff sperm
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