Homologues of the Sec protein translocation system are found in bacteria, eukaryotes, and archaea.
Answer the following statement true (T) or false (F)
True
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Which of the following statements is the most accurate description of fruits and seeds?
A. "Fruits" and "seeds" are synonymous terms. B. Fruits always have fleshy coverings, while those of seeds are always hard. C. Fruits are structures that contain seeds and foster seed dispersal. D. Fruits contain endosperm but seeds do not. E. Fruits are produced only by angiosperms and seeds are produced exclusively by gymnosperms.
In the experiments of Griffith, the conversion of nonlethal R-strain bacteria to lethal S-strain bacteria:a
was the result of genetic mutation. b. was an example of the genetic exchange known as transformation. c. supported the case for proteins as the genetic material. d. could not be reproduced by other researchers. e. was an example of conjugation.
By definition, an animal having a(n) closed circulatory system will also have a hemocoel. Indicate whether the statement is true or false
All of the following are true about endotoxins EXCEPT:
A. The lipid A moiety in the LPS is responsible for the toxicity of the endotoxins B. The main pathologic effects of endotoxins are fever, shock, hypotension, and thrombosis a.k.a septic shock C. They are released into the host's circulation following bacterial cell analysis D. They are heat-stable lipopolysaccharide (LPS) component of the outer membranes of gram-positive bacteria