A plasmid may
a. be used in recombinant DNA research.
b. be transferred from one bacterium to
another.
c. carry foreign genes.
d. replicate independently of bacterial
chromosomes.
e. do all of these
E
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True or False: Traits favored by sexual selection are the same traits favored by natural selection
A. true B. false
What is the dependent variable in this figure?
A. time
B. partial pressure of oxygen in the tracheae
C. external concentration of oxygen
D. number of moth pupae
E. size of each moth pupa
Osmoreceptors detect
a. chemical substances. b. pressure changes. c. vibrational changes. d. light wavelengths. e. changes in solute concentration.
Arrange these muscle tissue groupings in order, from most inclusive to least inclusive: sarcomere, motor unit, thick and thin filaments, myofibril, muscle fiber
What will be an ideal response?