Membrane proteins that pump ions in and out of the cell are classified as enzymes.
a. true
b. false
b. false - Membrane proteins that pump ions in either direction across the membrane are in the functional class of transporters
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A phenotype refers to something that you can see with your eyes, like hair color or eye color
A. true B. false
Hormones are cleared from the body by endocrine glands
Indicate whether the statement is true or false.
Using radioactive tracers to determine the interactions of bacteriophages and their host bacteria, Hershey and Chase demonstrated without question that
A.) genes are composed of protein molecules. B.) DNA and proteins are actually the same molecules located in different parts of cells. C.) bacteria inject their DNA into the cytoplasm of bacteriophages. D.) DNA is the molecule that stores genetic information in cells.
Collagenous and elastic fibers are found in what type of tissue?
What will be an ideal response?