Which of the following is essential in PCR?
A) DNA polymerase
B) antisense RNAs
C) reverse transcriptase
D) DNA primers
E) both DNA primers and DNA polymerase
E
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Which conclusion is best supported by these data?
1.Infected children lived in areas with greater numbers of mosquitoes.
2.A higher number of mosquitoes were attracted to children that contained gametocytes.
3.Plasmodium secrete a chemical that mosquitoes can detect in the air.
4.Children without Plasmodium infection were least attractive to mosquitoes.
Upon being formed, oceanic islands, such as the Hawaiian Islands, should feature what characteristic, leading to which phenomenon?
A) mass extinctions, leading to bottleneck effect B) major evolutionary innovations, leading to rafting to nearby continents C) a variety of empty ecological niches, leading to adaptive radiation D) adaptive radiation, leading to founder effect
What specific part of the antibody determines the class of the antibody?
A. variable region of the light chain and heavy chain B. constant region C. antigen binding sites D. All of these are correct. E. None of these are correct.
Choose the letter of the best match from the following:A. abscisic acidB. trichomesC. aquaporinD. endodermisE. stomaReflects sunlight at leaf surface.
Fill in the blank(s) with the appropriate word(s).