Amoebic dysentery is transmitted by (through)
A. the bite of a tsetse fly.
B. ingesting contaminated water or food.
C. having sex with an infected partner.
D. the bite of a mosquito.
Answer: B
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Untranslated regions of the mRNA transcript may interact with motor proteins to enhance transport of the mRNA to a distinct region of the cell; or these regions may interact with proteins that repress the translation of the mRNA
A. true B. false
Most invasive species have a far greater impact in their new home than they did in the community in which they evolved. Why is this?
What will be an ideal response?
For glycolysis to begin,
a. glucose must enter the mitochondria. b. there must be an input of energy from ATP. c. oxygen must be available. d. some hydrogen acceptors must be available. e. none of these needs to occur.
Suppose that an unknown organism from an alien planet is observed and found to have a diploid state only following fertilization. Meiosis follows and the majority of this organism's life is spent in a haploid state. Which multicellular organisms on Earth most closely resemble this type of life cycle strategy?
a. ferns b. maple trees c. humpback whale d. some algae