Which subatomic particles are found outside the nucleus of an atom?
a. Neutrons
b. Protons
c. Electrons
d. Photons
c. Electrons
Electrons are the subatomic particles found outside the nucleus of an atom.
Biology & Microbiology
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The type of muscle tissue surrounding the intestines and blood vessels is _____
A) skeletal muscle B) cardiac muscle C) striated muscle D) intercalated cells E) smooth muscle
Biology & Microbiology
The deepest diving pinnipeds are the:
a. sea lions. b. harbor seals. c. Weddell seals. d. elephant seals. e. Stellar's sea lion.
Biology & Microbiology
Scientists can fill in gaps in defining species by DNA sequence analysis.
a. true b. false
Biology & Microbiology
The various techniques by which scientists manipulate DNA in the lab are called
A. gene probes. B. genetic engineering. C. biotechnology. D. recombinant DNA. E. gel electrophoresis.
Biology & Microbiology