During an experiment, which factors are observed and measured?
A.) dependent variables
B.) independent variables
C.) constants
D.) hypotheses
Ans: A.) dependent variables
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Which of the following statements regarding the Watson?Crick model of DNA is not accurate?
A) It is the most common biological form. B) It is a left-handed helix. C) It is antiparallel. D) The bases are "stacked" in the center of the molecule. E) The backbone consists of alternating sugars and phosphates
A cell that has lost its capacity to grow in vitro as a monolayer is now
A) benign. B) malignant. C) transformed. D) anchorage independent. E) free ranging.
Two closely related species that share a recent common ancestor are called ________ species
Fill in the blank(s) with correct word
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