A second messenger, such as cyclic AMP, carries a hormonal signal to molecules inside a cell
Indicate whether the statement is true or false
TRUE
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A disease transferred by indirect contact with a high basic reproduction number and mortality would be an effective biological weapon
Indicate whether the statement is true or false.
Recombination frequency for two genes is a function of
a. the distance between the two genes on a single chromosome. b. the overall size of the chromosome where the genes are located. c. the distance between the two chromosomes that each have one of the two genes. d. the relative sizes of the two chromosomes that each have one of the two genes. e. the sex of the parent that supplies each gene.
It is now possible to analyze the genetics of the
new generation by a. fetoscopy. b. amniocentesis. c. chorionic villi sampling. d. preimplantation diagnosis. e. all of these.
Which protist group contains the organism Trypanosoma, a colorless parasite that can cause African sleeping
sickness? a. unikonts b. excavates c. rhizarians d. archaeplastids e. chromalveolates