Both malaria and yellow fever are transmitted by mosquitoes
Indicate whether this statement is TRUE or FALSE.
TRUE
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Chromosomes can be condensed into compact structures, visible with the light microscope, but usually only:
A. while the nuclear pores are open. B. while the proteins are being assembled. C. after the cell is dead. D. while the DNA is being copied into RNA. E. during cell division.
Transcription starts at a region of DNA called a(n)
a. sequencer. b. promoter. c. activator. d. terminator. e. transcriber.
Snapdragons have incomplete dominance of the red and white alleles. What will be the phenotypes and ratios of the F2 generation?
a. 50% white, 50% red b. 25% white, 25% red, 50% pink c. 100% pink d. 100% red
The DNA of a cell is analyzed and found to contain 28 percent thymine. What percent of the DNA would by cytosine?
A) 28 percent B) 22 percent C) 25 percent D) 50 percent