Cnidarians are animals found in _______ environments
A. land-dwelling
B. tree-dwelling
C. desert
D. All answers are correct.
E. aquatic
Answer: E. aquatic
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How does sugar move through a plant?
1.Guard cells build up pressure, allowing dissolved sugars to enter the stomata. 2.Phloem in a sink region has lower pressure than in a source, so sugars flow out at the sink as water diffuses. 3.When the concentration of solute in the sieve tubes gets too low, osmosis allows water to flow in. 4.The pressure gradient allows dissolved sugars to reach high levels in the xylem, pushing them to a sink where they are released.
Characteristics of all the members of the family Enterobacteriaceae include
What will be an ideal response?
Prokaryotes are a class of microbes that are characterized by all of the following EXCEPT:
A. Their ribosomes are 70S B. Almost all members possess a cell wall. C. Their genetic materials are enclosed by a nuclear membrane thus forming a nucleoid. D. Their genetic materials are composed of DNA and RNA E. Presence of bilayer cytoplasmic membrane.
Describe how the viral lysogenic cycle can produce a latent infection
What will be an ideal response?