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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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
Which antimicrobic does not inhibit cell wall synthesis?
A) Gentamicin B) Clavamox C) Penicillins D) Cephalosporins E) Vancomycin