Which is an example of vehicle disease transmission?
A) Touching a telephone with cold viruses on its surface
B) The presence of Listeria on undercooked chicken served for dinner
C) The bite of a mosquito containing malaria
D) The transmission of MRSA from skin to skin contact
Ans: B) The presence of Listeria on undercooked chicken served for dinner
You might also like to view...
Steroid hormones are lipids derived from ___________________. Fill in the blank(s) with the appropriate word(s)
A(n) ________ is a group of individuals of the same species that live in a particular area
Fill in the blank(s) with correct word
Which pair of species would be expected to have fewer genetic differences: orangutans and gorillas or gorillas and humans? Why?
A. Gorillas and humans because their common ancestor (C) is more recent than that of orangutans and gorillas (B).
B. Gorillas and humans because their common ancestor (B) is more recent than that of orangutans and gorillas (D).
C. Gorillas and orangutans because their common ancestor (C) is more recent than that of humans and gorillas (B).
D. Humans and orangutans because their common ancestor (C) is more recent than that of orangutans and gorillas (D).
One turn of the Calvin cycle fixes a molecule of CO2 gas and is driven by 3 molecules of ATP and 2 molecules of NADPH from the light reactions. Which of the following is true?
A. It takes 3 turns of the cycle, 9 molecules of ATP, and 6 molecules of NADPH to make one molecule of glucose. B. It takes 6 turns of the cycle, 18 molecules of ATP, and 12 molecules of NADPH to make a glucose molecule. C. The cycle must be carried out in the dark. D. The cycle is exergonic.