To limit water loss in dry environments, reptiles breathe through their skin
Indicate whether the statement is true or false
FALSE
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Some membrane proteins are involved in bioenergetic reactions, while others are involved in membrane transport
Indicate whether the statement is true or false.
How do bacteriophage influence bacterial evolution?
A) Bacteriophage cause cleavage and rearrangement of bacterial genomes, thus accelerating bacterial evolution. B) Bacteriophage lyse mutated bacterial cells, thus preventing them from replicating and passing on their genetic information. C) Bacteriophage transfer genetic information between bacterial cells through transduction, thus increasing the genetic diversity of bacterial populations. D) Bacteriophage decrease the size of bacterial populations and thus decreasing genetic diversity and slowing down bacterial evolution.
Pepsin is an enzyme that plays a role in the breakdown of proteins in the stomach. Given this information and the graph below, what could you say would likely be the pH of your stomach?
1.about 6
2.about 4
3.about 7
4.about 1.5
The muscle that separates the thoracic and abdominal cavities is the
a. intercostal muscle. b. pectoral muscle. c. serratus muscle. d. oblique muscle. e. diaphragm muscle.