The protein molecules on the surface of the P. aeruginosa bacteria are __________
a. antibodies
b. antigens
c. histamines
d. capsids
B
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Ecology and environmentalism are the same scientific discipline.
Answer the following statement true (T) or false (F)
Bacteria make up about one-third the weight of fecal matter
Indicate whether the statement is true or false.
Choose the true statements about the human and chimpanzee genomes.
_____ A comparison of genomes confirms that humans and chimpanzees are closely related species. _____ Very few mutations differentiating the two genomes occur in coding DNA. _____ Some insertion-deletions (indels) lead to loss of function changes in the two genomes. _____ More similarity exists between the genomes of human and mouse than between human and chimpanzee. _____ The estimated genome sizes and number of genes is very different in humans and chimpanzees.
Four of the five choices listed describe a species
Select the exception. a. interbreeding b. sexual reproduction c. natural d. population e. behavior