Which type of virus is most likely to cause the immediate damage and destruction of an infected animal cell when it is released?
A. enveloped virus
B. DNA virus
C. RNA virus
D. nonenveloped virus
Answer: D
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In eukaryotes, activator proteins bind to ____________; generalized transcription factors bind to ____________
A. promoters; terminators B. DNA polymerases; RNA polymerases C. promoters; enhancers D. terminators; RNA polymerases E. enhancers; promoters
The genomes of mammalian mitochondria contain
A. a total of 37 genes. B. genes for proteins used in oxidative phosphorylation. C. genes whose products are used in translation of mRNA. D. ribosomal genes. E. All of the items listed are correct.
Red light and phytochrome are involved in which of the following plant growth responses? Check all that apply.
_____ thigmotropic responses _____ inhibition of seed germination _____ elongation of etiolated shoots _____ detection of crowding by neighboring plants
Canada thistle is a dicot that spreads via growth from lateral roots. You want to use a root miner insect for weed control
What would you need to observe in the underground growth to verify that this weed spreads via lateral roots and not by underground stems? A) an epidermis at the periphery B) vascular bundles in a ring around the outside of a cross section C) a vascular bundle in the center surrounded by parenchyma tissue D) meristematic tissue at the tips of the branches