Many diseases are caused by genes that do not function properly. Which technology involves replacing a defective gene with a normal gene?
A) pharmacogenomics
B) recombinant DNA
C) gene therapy
D) cloning
Ans: C) gene therapy
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Which statement accurately describes the relationship between RNA interference, small interfering
RNA, and micro RNAs?
a. They all describe different methods of post-translational gene regulation. b. Micro RNAs can be broken down into two types: RNA interference molecules and small interfering RNAs. c. RNA interference occurs in two ways: by micro RNA or by small interfering RNAs. d. Small interfering RNAs bind to dicer protein, microRNAs do not; both are types of RNA interference. e. MicroRNAs are transcribed from viruses, small interfering RNAs are transcribed from nuclear DNA; both are types of RNA interference.
Each of the following is a common shape of prokaryote except
a. vibrios. b. spirilla. c. cilia. d. bacilli. e. cocci.
Most birds are __________; most mammals are
__________. a. monogamous; not monogamous b. monogamous; monogamous c. not monogamous; not monogamous d. not monogamous; monogamous e. not monogamous; promiscuous
The flipper of a whale and the wing of a bird are homologous structures.
Answer the following statement true (T) or false (F)