Contemporary Issues in Biology TCU Exam 3 Questions and Answers

Contemporary Issues in Biology TCU Exam 3 Questions and Answers fleas - Answer- spread the Plague Malaria - Answer- caused by a protozoan that infects humans and destroys red blood cells chloroquine - Answer- medication to treat or prevent malaria yes - Answer- have mosquitoes become resistant to pyrethroids summer - Answer- when are rates of West Nile Virus the highest to get protein to make eggs - Answer- why do ticks feed on blood? nymph - Answer- stage of deer tick that transmits Lyme Disease macrophages helper T cells B cells killer T cells memory cells - Answer- cells of the immune system microbe with protein coat - Answer- _______ enters the body and starts to reproduce macrophages - Answer- ________ circulate through body and digest some of the microbes, alerting Helper T cells by presenting protein coat Helper T cells - Answer- _____ recognize protein coat of microbe and alert T and B cells by making cytokines Killer T cells - Answer- ______ kill microbe or human cells infected with microbes B cells - Answer- _____ make antibodies that neutralize microbes 1 week - Answer- after infection starts, it takes how long to make T and B cells necessary to defeat the microbe chickenpox virus that has hidden in the body - Answer- what causes shingles 200 - Answer- how many viruses can cause the common cold? binary fission - Answer- process where bacteria replicate 1/2 million 6-7 hours - Answer- one bacterium can become ______ bacteria in _____ 10 - Answer- we have over ___ times more microbes than human cells in our bodies 10,000-1,000,000 per sweat gland - Answer- units of bacteria in skin