What is the main biochemical function of the electron transport chain?
A) to break glucose into pyruvic acid
B) to add phosphate groups to ATP
C) to regenerate OAA
D) to force hydrogen ions through ATP synthase
D
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In a heterozygote for two linked genes, both dominant alleles are on one chromosome and both recessive alleles are on another chromosome. The genes are said to be in
A) recombination. B) repulsion. C) cis. D) trans.
A pattern of earlier onset of a disease along with more severe symptoms is called ________________. Fill in the blank(s) with the appropriate word(s)
Drugs known as beta-lactams interfere with bacterial (DNA/folic acid/cell wall) synthesis.
Fill in the blank(s) with the appropriate word(s).
You discover in a study of a group of five fossil taxa with spines that the mean spine length has increased over time. When you tabulate mean spine lengths for each taxon over time, you obtain the following table. X = Taxon has become extinct
Time interval Taxon 1 Taxon 2 Taxon 3 Taxon 4 Taxon 5 245–214 MYA 2.3 7.0 1.4 5.6 4.8 215–184 MYA 2.4 6.9 1.5 5.4 4.6 185–154 MYA 2.2 7.1 1.3 5.3 4.7 155–124 MYA X 7.2 1.5 5.5 4.9 125–94 MYA X 7.0 X 5.7 4.6 95–65 MYA X 6.8 X 5.6 X What kind of process is underlying this active evolutionary trend? What will be an ideal response?