PAMPs include
a. bacterial flagella.
b. bacterial pili.
c. components of bacterial cell walls.
d. double-stranded RNA.
e. all of these
E
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According to the principle of segregation, a heterozygous plant with alleles Aa will produce:
A. gametes with only the A allele. B. gametes with only the a allele. C. 50% of gametes with the A allele and 50% of gametes with the a allele, on average. D. gametes in the ratio of 3 A alleles:1 a allele. E. some gametes with the A allele and some with the a allele, but in no predictable ratio.
The plant leaf surface is called the rhizosphere.
Answer the following statement true (T) or false (F)
After drinking a great deal of coffee (pH 5), a human's blood buffering system would need to ________ as the coffee was digested to lower the level of acid present in the blood stream.
a. release OH- b. take up H+ c. release H+ d. take up OH- e. release OH- and take up H+
Which of following statements about the causes and effects of global warming are accurate? Check all that apply.
A. Melting of the Arctic permafrost will slow the process of global warming because of new plant growth in those areas. B. The effects of global warming can be measured today. C. In addition to carbon dioxide, other greenhouse gases include methane and nitrous oxide. D. The effects of global warming will be uniform throughout the world. E. Carbon dioxide absorbs short wavelength radiant energy better than long wavelength radiant energy.