A charged balloon is brought near an electroscope but does not touch the electroscope. This is an example of charging by?
Induction
True or False. In a current, electrons will always flow from negative toward positive.
True. Electrons flow from negative toward positive because opposite charges are attracted to each other.
Which of the following materials is an insulator against electric current?
a rubber tire
Which of the following materials is a conductor of electric current?
a copper penny
True: a larval amphibian; specifically : a frog or toad larva that has a rounded body with a long tail bordered by fins and external gills soon replaced by internal gills and that undergoes a metamorphosis to the adult.
Reptile scales! Or, more specifically, reptiles descended from dinosaurs.
Answer:
85 Fahrenheit in Celsius is 29.44
Explanation:
Formula: Celsius = (Fahrenheit - 32) divided by 1.8
1) (85 - 32) / 1.8
2) Celsius = 29.44
Operons afford the organism the opportunity to
simultaneously regulate transcription of multiple genes, whose products are
active in the same process. Operons lead to the synthesis of groups of functionally
related enzymes, usually from a single mRNA transcript hence makes regulation of
the genes highly efficient.