Skeletal muscle H zones are composed of ____
a. discs to which thin filaments are anchored
b. stacked thick filaments along with the parts of thin filaments that overlap both ends
c. thin filaments but no thick filaments
d. thick filaments but no thin filaments
e. stacked thin filaments along with parts of thick filaments that overlap both ends
ANSWER: d
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A scientist could test how the traits of desert plants are adaptive by ____
a. transplanting individuals that have the trait into moister habitats b. selectively breeding individuals displaying that trait c. conducting straightforward experiments in the desert habitat d. crossing individuals in the desert with individuals in moister habitats e. comparing them to traits in related species from moister habitats
In primary active transport, the carrier protein that transports a substance also hydrolyzes ATP to
power the transport directly.
Indicate whether the statement is true or false.Hemostasis is
a. a four phase process to clot blood in the veins. b. a three phase process to clot and seal wounds. c. a process of leukemia formation. d. a type of anemia. e. none of these.
Compare and contrast isotonic, hypotonic, and hypertonic solutions. What happens when a normal animal cell finds itself in any of the three kinds of solutions?
What will be an ideal response?