One of the unexpected findings to occur in comparing mouse and human genomes is
A. that "junk" DNA may be more functional than we assumed.
B. how incredibly different they are.
C. that there is far more "junk" DNA than we ever thought.
D. how similar some gene families are to their original transposons.
A. that "junk" DNA may be more functional than we assumed.
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A(n) _____ has a DNA sequence similar to a functional gene but has been mutated so that it no longer produces a
functional gene product.
a. pseudogene b. homologous gene c. orthologous gene d. microRNA-encoding sequence e. operon
The result of the process shown in green in the lower half of the figure is _____
1.a positively charged ion
2.a covalent molecule
3.a negatively charged ion
4.a negatively charged molecule
Evolution is a very controversial idea among scientists
Indicate whether the statement is true or false
Which of the following is NOT true regarding the complement system?
a. Activated components of this system adhere to bacterial cell walls and then put holes in these cell walls. b. This system involves a group of at least 20 proteins found in the blood plasma. c. During an infection, one protein in this system activates the next in a cascade of reactions. d. Some components of this system stimulate eosinophils to release histamine. e. Some components of this system stick to the walls of bacterial cells, marking them for phagocytosis.