The resting potential of a neuron results from a:
a. neutral charge in the cytosolic and extracellular fluids.
b. negative cytosolic charge relative to the extracellular fluid.
c. positive cytosolic charge relative to the extracellular fluid.
d. fluctuating cytosolic charge and constant extracellular charge.
e. constant cytosolic charge and fluctuating extracellular charge.
b
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Plasmodesmata are ____
a. used in energy transformations within the cell b. typical of animal cells more than plant cells c. arrays of adhesion proteins that join epithelial cells and collectively prevent fluids from leaking between them d. open channels that extend across plant cell walls to connect the cytoplasm of adjacent cells e. complex mixture of extracellular cell secretions
Four of the five answers listed below are steps
in translation. Select the EXCEPTION.
a. initiation b. replication c. chain elongation d. termination e. peptide bond formation
How do invasive species impact ecosystems?
A. They occupy niches that other organisms traditionally occupy. B. They are more capable of adapting to rapidly changing climates. C. They outcompete with other organisms for limited resources D. All of the answer choices are correct.
A testcross with a heterozygous dominant individual will yield only heterozygous dominant offspring
Indicate whether the statement is true or false