The first photosynthetic autotrophs used the energy of the sun to split H2O because it is not very electronegative
______________ Indicate whether the statement is true or false.
False - H2S
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Compare and contrast the spread plate method and the pour plate method of doing plate counts. Also describe which group of organisms would not be quantifiable in the pour plate method but would still be observed in the spread plate method
What will be an ideal response?
The DNA of some archaeons is stabilized by association with archaeal histone proteins forming particles resembling eukaryotic nucleosomes.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. When Ron Evans generated transgenic mice in which the gene PPAR-delta was constitutively active (i.e., always expressed), he found that these mice showed a shift from fast glycolytic fibers to slow oxidative fibers. Based on this, faster sprint speeds in the transgenic mice would also be predicted. 2. The fact that a quarterback can throw a football at approximately 50 miles per hour means that the muscles powering this throw must also be shortening at 50 miles per hour. 3. Walking or running are more energetically expensive forms of locomotion than either swimming or flying. 4. The only chyme molecule that is absorbed in significant amounts by the stomach is water.
What is the most accurate definition of microevolution?
a. heritable changes in the genetics of a population b. natural selection leading to adaptation c. the occurrence of a series of mutations over time d. the origin of new species through natural selection e. the origin of major new forms of life over time