___ develop into phagocytic ___ that migrate
through tissues digesting pathogens etc.
a. Macrophages...neutrophils
b. Neutrophils...macrophages
c. Dendritic cells...macrophages
d. Monocytes...macrophages
e. Monocytes...dendritic cells
D
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Genes that are located on the same chromosome may
a. tend to be inherited together. b. appear together in the gamete. c. be linked. d. be separated during crossing over. e. all of these
Which of the following statements is TRUE of bacterial plasmids?
A) They are always found in the nucleoid. B) They can replicate autonomously. C) They carry genes for essential metabolic functions. D) They are small circular DNA molecules. E) They are small circular DNA molecules that can replicate autonomously.
When NADPH _____ electrons in the Calvin cycle, it is ______, forming NADP+.
A. donates, hydrolyzed B. donates, reduced C. donates, oxidized D. accepts, oxidized E. accepts, reduced
The primary function of DNA ligase is to
a. cut the two strands of DNA molecule prior to replication. b. attach free nucleotides to a growing chain. c. remove bases that might have been inserted incorrectly. d. seal any tiny gaps in the new DNA. e. fragment old DNA that is no longer of use to the cell.