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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Four of the five choices listed describe a species
Select the exception. a. interbreeding b. sexual reproduction c. natural d. population e. behavior
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.