Until which period of time did scientists think that molecules of life could only be produced by living entities?
A) early 1500s
B) late 1500s
C) early 1600s
D) late 1600s
E) early 1800s
Answer: E) early 1800s
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If the genus Quercus (oaks) is monophyletic, then this means that
A. all species of oaks grow in similar habitats. B. oaks all have nearly identical appearance. C. all species of oaks are descended from a common ancestor. D. oaks cannot be classified in a single family or order. E. all species of trees are classified as being in a single order.
The most fit individuals tend to leave the fewest fertile offspring.
a. true b. false
If you wish to rid an experimental organism of the function of a gene, you can use RNAi. What would you inject into the organism?
A) co-suppressor with double-stranded (ds) DNA B) ssRNA complementary to cDNA C) ssRNA complementary to mRNA D) dsRNA homologous to the gene E) dsRNA including transposase
Small RNAs that bind to an mRNA and alter its expression are known as (antisense/probes/restriction) RNAs.
Fill in the blank(s) with the appropriate word(s).