In animals, fungi, and plants, bulk transport is always an active and ATP-expensive process. This is best evidenced by the need for a heart to beat in order for bulk transport to occur in animals.
a. true
b. false
Ans: b. false
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Which of the following statements best describes the benefit of lichens for humans?
A. Lichens can be used to monitor levels of chemical pollutants in the air. B. Lichens can be used to monitor radiation levels. C. Lichens begin soil formation by breaking down parent rock. D. Lichens fix nitrogen. E. all of the choices provided
The antibody IgE directly triggers _______.
What will be an ideal response?
A test cross can be used to do all of the following except
A. determine whether an individual that displays a dominant phenotype is heterozygous for the trait. B. determine whether an individual that displays a dominant phenotype is homozygous for the trait. C. identify the chromosome on which a gene is located. D. gather genotype information from phenotype information.
When a patient's immune system reacts adversely to a drug, this serious side effect is called a superinfection.
Answer the following statement true (T) or false (F)