In the Gram stain, if the decolorizing step is deleted, gram- cells would appear ________ at the completion of the staining procedure.
A. Pink
B. Blue
C. Unstained
D. Purple
Ans: D. Purple
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Which of the following is not a function of the RNA-induced silencing complex (RISC)?
A. primary miRNA transcript conversion to precursor miRNA B. cleavage of precursor miRNA to short duplex miRNAs C. facilitation of base pairing between mature miRNA and its complementary sequence in an mRNA D. cleavage of the mRNA transcript targeted by siRNA
According to the Endangered Species Act, what is required when a species is identified as at- risk?
a. Land must be purchased by the government to protect the species. b. A biodiversity hotspot must be designated to protect the species. c. The designated habitat must be removed from the private sector. d. A management plan to protect the species must be created.
The part of the ear actually responsible for
hearing is the
a. hammer, anvil, and stirrup. b. cochlea. c. vestibular apparatus. d. organ of Corti. e. combination of the organ of Corti and the vestibular apparatus
Which cell organelle functions to transport materials from the endoplasmic reticulum throughout the cell?
a) ribosome b) Golgi apparatus c) lysosome d) vacuole