How do translation and transcription differ?
1.Translation occurs in the nucleus, while transcription takes place in the cytoplasm.
2.Translation involves mRNA, but transcription does not.
3.Transcription involves a promoter, while translation begins with a start codon.
4.mRNA is produced by transcription, but tRNA is not.
3
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The onset of AIDS is often accompanied by
A. a steep drop in T cell numbers. B. macrophage infection. C. a positive HIV test. D. lung infections and other opportunistic infections. E. Kaposi's sarcoma.
Cassie has athlete’s foot. How could you distinguish this fungal infection from a protist
pathogen?
a. Both are eukaryotes. b. Fungi have cell walls. c. Protists are heterotrophs, while fungi are photosynthetic. d. Protists have a nucleoid region, while fungi have a nucleus with DNA.
Which of the following amino acids are most frequently phosphorylated by protein kinases in the cytoplasm during signal transduction?
A) tyrosines B) glycine and histidine C) serine and threonine D) glycine and glutamic acid
Which of the following apply to the demography of human populations today? (Check all that apply.)A) Our ecological footprint is decreasing.B) We are using distributed resources disproportionately-less than 20% of us use over 80% of the energy.C) We have plenty of resources still untouched.D) We use almost half of the Earth's land.E) We use over half of all renewable fresh water sources.
What will be an ideal response?