Which of the following produces the cellulose-digesting enzyme (cellulase) in a cow's digestive tract?
A) Gallbladder
B) Cells lining the small intestine
C) Pancreas
D) Liver
E) Microorganisms in the rumen
E
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The condition in which each chromosome is represented twice as a member of a homologous pair is called ____________________
Fill in the blank(s) with correct word
Production of asexual spores in ascomycetes often occurs on ____
a. basidia b. conidiophores c. sporangia d. asci e. zygospores
The events of the first week after fertilization are defined as ________________
Fill in the blank(s) with the appropriate word(s)
Some microbes gain access to the normally axenic central nervous system by
A) damaging the blood-brain barrier. B) axonal transport from infected peripheral neurons. C) infecting macrophages which subsequently enter the CNS. D) infecting lymph nodes in the cranium. E) either damaging the blood-brain barrier or by axonal transport from infected peripheral neurons.