Phanerochaete chrysosporium:
A. is a wood-decay fungus that is used to bleach paper and decompose dioxin
B. is a lichen that serves as food for reindeer
C. is the cause of lung disease
D. is an hallucinogenic mushroom
E. is a rust that causes oak trees to shed their leaves prematurely
A. is a wood-decay fungus that is used to bleach paper and decompose dioxin
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In the Kinyoun acid-fast staining method, ______ replaces _____ in the primary stain solution
a. increased phenol; heat b. heat; increased phenol c. mycolic acid; heat d. carbolfuchsin; phenol
You are working in a Drosophila lab, and find a larva with two anterior ends. Both a normal larva and the mutant larva are shown below. What is the most likely explanation for the mutant larva phenotype?
A. There is a mutation in the bicoid gene causing no functional Bicoid protein to be made.
B. The nurse cells that produce the Bicoid protein are defective, so there is no protein at either end of the embryo.
C. There is a mutation in a homeotic gene.
D. There is a high concentration of the Bicoid protein at both ends of the mutant embryo.
E. A protein encoded by a segment polarity gene is not degraded correctly and accumulates in both ends of the embryo.
Why are eating disorders that severely restrict food intake very dangerous?
A) Menstruation can cease, which may cause sterility. B) The risk of stroke can increase. C) They can cause Type 1 diabetes. D) They can lead to high blood pressure.
Neurotransmitters move by active transport across the synaptic cleft
____________________ Indicate whether the statement is true or false.