Influenza transmitted by an unprotected sneeze is an example of
a. Direct contact.
b. Droplet transmission.
c. Fomite.
d. Vector.
e. Vehicle transmission.
Ans: b. Droplet transmission.
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A recent study compared the Homo sapiens genome with that of Neanderthals. The results of the study indicated that there was a mixing of the two genomes at some period in evolutionary history
Additional data consistent with this hypothesis could be the discovery of _____. A) some Neanderthal sequences not found in living humans B) a few modern H. sapiens with some Neanderthal sequences C) duplications of several Neanderthal genes on a Neanderthal chromosome D) some Neanderthal chromosomes that are shorter than their counterparts in living humans
The polysaccharides agarose and carrageenan are isolated from red algae for commercial use. These polysaccharides are found in cell walls. What plant polysaccharide are they analogous to?
A. Amylose B. Collagen C. Cellulose D. elastin E. Mannose Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about agarose and carrageenan? How does this help you decide which statements are true? · What other information do you need to determine the answer? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Four of the five answers listed below are members of a common group. Select the exception
a. sea star b. sea anemone c. sea urchin d. brittle star e. sea cucumber
Estuaries receive nutrients both from tides and from streams and rivers
Indicate whether the statement is true or false