What structures are found along lymphatic vessels and are heavily clustered in the armpit, groin, and neck?
A. Lymph nodes
B. Thymus
C. Spleen
D. GALT
E. Tonsils
Answer: A
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How does the evidence for the theory of common descent demonstrate consilience?
A) scientific evidence is refuted by other scientists B) new evidence can be added to the theory of common descent C) observations driven from different sources agree on the findings. D) new evidence cannot be added to the theory of common descent
Approximately what percentage of prokaryotes are thought to be pathogens?
A) <1% B) 12% C) 26% D) 48%
What is the best approach for preventing GMOs from surviving containment and passing their genes among microbes in the environment?
a. encoding self-toxin systems b. using auxotrophic strains that require an amino acid supplement for growth c. recoding strains to be auxotrophic for a synthetic amino acid d. recoding strains to not use ribosomes
"Green revolution" plants caused many ecological problems.
Answer the following statement true (T) or false (F)