One of the focuses of conservation biology is changing human behavior.
a. true
b. false
Ans: a. true
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Which eukaryotic organelle(s) contain its/their own DNA?
a. chloroplasts only b. endoplasmic reticulum only c. mitochondria only d. mitochondria and chloroplasts e. mitochondria and endoplasmic reticulum
Which elements are often most limiting for plant growth?
a. carbon, nitrogen, oxygen b. carbon, potassium, sodium c. carbon, sodium, chlorine d. nitrogen, oxygen, hydrogen e. nitrogen, potassium, phosphorus
Mupirocin is used as a pre-operative measure to reduce microbial infection. This drug inhibits the function of isoleucyl-tRNA synthetase in bacteria, thereby directly blocking_______
a) transformation b) DNA replication c) transcription d) translation
Which of the following statements about the Ey transcriptional regulator is false?
(a) Expression of Ey in cells that normally form legs in the fly will lead to the formation of an eye in the middle of the legs. (b) The Ey transcription factor must bind to the promoter of every eye-specific gene in the fly. (c) Positive feedback loops ensure that Ey expression remains switched on in the developing eye. (d) A homolog of Ey is found in vertebrates; this homolog is also used during eye development.