Primary active transport is accomplished by:
A. Electrical forces within the plasma membrane
B. Exocytosis
C. Endocytosis
D. Changes in shape and position of transport proteins in the plasma membrane, requires, energy (ATP) to pump against concentration gradient
Answer: D. Changes in shape and position of transport proteins in the plasma membrane, requires, energy (ATP) to pump against concentration gradient
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Which is the correctly written Nernst equation?
A) 61/z × log [ion]in / [ion]out B) log 61/z × [ion]in / [ion]out C) log 61/z × [ion]out / [ion]in D) 61/z × log [ion]out / [ion]in
Which is not characteristic of sympathetic pathways?
a. Fibers originate from the thoracic and lumbar levels b. Preganglionic fibers release norepinephrine c. Some postganglionic fibers release ACh d. Short preganglionic fibers e. Most preganglionic fibers synapse in the chain ganglia
Alexander has been diagnosed with a pituitary tumor, which means the tumor is in the ________.
A. foramen magnum B. sella turcica C. crista galli D. cribriform plate E. pterygoid canal
Predict the possible genotypes of offspring of a couple who both are heterozygous for free earlobes. The trait for free earlobes is carried on the dominant allele while the trait for attached earlobes is carried on the recessive allele
What will be an ideal response?