Voltage-gated (voltage-dependent) channels and antiport carriers are both types of transporters. Thus, option (d) is correct.
What is Voltage-gated?
The term voltage-gated refers to the allowing or blocking of passage through a cell membrane in response to an electrical input.
Voltage-gated ion channels are membrane proteins that allow certain inorganic ions to cross cell membranes. An antiporter is a membrane protein that simultaneously transports two molecules in opposite directions.
As a result, both are the type of the transporters. Therefore, option (d) is correct.
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Your question is incomplete, but most probably the full question was
A) receptors.
B) structural proteins.
C) enzymes.
D) transporters.
Answer:
D. the American Revolution
Explanation:
Spain called the New World "New Spain".
Answer:
I think Civil Wars.
There are many wars in Africa because of poorness and ungrateful and weak government systen
Bartering, which has taken place since the early history of man, implies a process of exchanging of goods. Bartering may present some difficulties during the process of exchanging. One problem that may occur when one is bartering, appears as the result of two people having different ideas about the value of the item (Option "B"). Since bartering lacks a standard unit of account, the prices on goods could not be measures or quoted. Due to the absence of a common unit of account, disagreements between exchangers may difficult the bartering process.
