The first life-related and carbon-based
molecule was synthesized in vitro by a German
chemist. What was that molecule?
a. starch
b. fructose
c. acetaldehyde
d. urea
e. rubisco
D
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Which antimicrobic does not inhibit cell wall synthesis?
A) Gentamicin B) Clavamox C) Penicillins D) Cephalosporins E) Vancomycin
In ferns, the ________ generation is dominant
A. haploid gametophye B. diploid gametophyte C. haploid sporophyte D. diploid sporophyte E. haploid prothalophyte
All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT
A) methicillin resistance. B) M proteins. C) the ability to damage cell membranes. D) the ability to dissolve blood clots. E) hyaluronidase production.
The nucleus, an organelle found in eukaryotic cells, confines the __________, keeping them separated from other components of the cell
(a) lysosomes (b) chromosomes (c) peroxisomes (d) ribosomes