The theory of natural selection states that
A) random assortment of genes results in better physical characteristics in the following generations.
B) individuals that mutate in response to changes in their environment will contribute the most genes to the next generation.
C) only the largest and strongest individuals survive.
D) all individuals live to reproduce in each generation.
E) the most well-adapted individuals in their environments survive and reproduce, contributing the most genes to the next generation.
E
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Fungi are often capable of locomotion through the use of flagella
Indicate whether this statement is true or false.
An episome is
A. a plasmid that can make bacterial cells resistant to antibiotics. B. a plasmid that gives bacteria the ability to degrade toluene. C. a plasmid that can exist either autonomously in the cytoplasm or as part of a chromosome. D. a plasmid that can turn a bacteria that is harmless into a strain that can cause disease. E. a plasmid that gives bacteria the ability to exchange DNA with another bacterial cell.
Which type of bond is responsible for the linking together of atoms within a water molecule?
a. hydrogen b. ionic c. polar covalent d. nonpolar covalent e. isotropic
A base is a chemical that _____ hydrogen ions in solution.
A) accepts B) donates C) creates D) destroys