By definition, a direct parasitic life cycle includes two different species of hosts to complete its life cycle
a. true
b. false
Ans: b. false
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Which of the following characteristics of eukaryotic gene expression regulation is also true in bacteria?
A. Posttranscriptional regulation is prominent because transcription is separated from translation in space and time. B. Transcriptional activation is associated with changes in chromatin structure. C. Many genes are regulated at the level of transcription initiation. D. The transcriptional ground state is restrictive.
Genetic map units represent
a. absolute physical distances between genes. b. locations of different alleles of a gene. c. the chromosome on which a given gene is located. d. the actual DNA sequence of a gene. e. relative positions of genes with respect to each other.
Is it possible to be a "carrier" (phenotypically normal but capable of passing the allele to one's offspring) for Hemophilia A?
a. Yes b. No
Metabotropic receptors act by initiating changes in second messenger systems in target cells.
Answer the following statement true (T) or false (F)