A mutation in which part of a chromosome is transferred to a non-homologous chromosome is referred to as:
a. deletion.
b. inversion.
c. translocation.
d. fission.
e. fusion.
C
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Permanently swollen veins, common in the legs and feet, are known as ________
Fill in the blank(s) with correct word
Normal cells stop their division when it gets too crowded, which is celled ______ inhibition.
a. density-independent b. density-dependent c. contact inhibition d. none of the above
One day after a biology class four of your friends argue about the difference between phylogeny and systematics. Which friend is right?
A. Friend A states that systematics and phylogenies are really the same, one is more recent than the other, but basically they are the same. B. Friend B says that systematics is the same as cladistics and cladistics is reconstructing clades, which ultimately lead to the development of phylogenies. C. Friend C argues that systematics is the actual collecting and cataloguing of specimens into museums that can be used later by scientists to construct clades and phylogenies. D. Friend D says that the way she remembers is that systematics is the reconstruction and study of phylogenies.
Which of the following is the most appropriate pairing of microbe and biosafety level?
A. E. coli, BSL-3 B. anthrax, BSL-1 C. Ebola, BSL-2 D. methicillin-resistant Staphylococcus aureus (MRSA), BSL-2 E. tuberculosis, BSL-1