Archaea are very similar to bacteria and have rigid cell walls made of peptidoglycan
Indicate whether this statement is true or false.
FALSE
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Because their host cells have dsDNA genomes, viruses with RNA genomes cannot rely on host cell enzymes for genome replication or mRNA synthesis.
Answer the following statement true (T) or false (F)
Which of the following is an assisted reproductive technology?
A) Producing human insulin in bacteria B) A couple conceive using sperm from a sperm bank. C) A man donates part of his liver to his daughter, who has cystic fibrosis. D) A woman has breast reduction surgery to alleviate back pain.
As a botanist working for a field museum, you spend many hours in the field looking for new species. On a recent trip you may have discovered a new plant species. The plant is very short, and has a stem but no roots or leaves. The stem forks and has branches that have sporangia on the tips. Further analysis reveals vascular tissue. What type of plant might you have discovered?
A. Angiosperm B. Gingko C. Rhyniophyte D. Bryophyte E. Gymnosperm
When spread out and viewed with electron microscopy, an active rRNA gene looks like a
a. Star of David. b. Christmas tree. c. reindeer. d. Santa Claus.