To complete the statement above:
Ions are transported across membranes using channel-mediated facilitated diffusion; which requires <span>kinetic energy.
The channels can be opened by the requirements of the cell. Transmembrane proteins, called transporters, utilize the vitality of ATP to drive particles or little atoms through the layer against their focus angle.
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What are the areas? There are no options
Answer:
Ferns get oxygen through photosynthesis through their leaves.
Explanation:
Plants release oxygen during the day in the presence of natural light through the process of photosynthesis.
A chord made of tons only a half step or a whole step apart is known as a tone cluster .
Hence OPTION(D) is correct.
tone cluster :
A tone cluster is a musical chord comprising at least three adjacent tones in a scale . prototypically tone cluster are based on the chromatic scale and are separated by semitones . it is used in twentieth century music .
Polytonality :
The technique of using two or more tonal centres at the same time is called polytonality .
A polychord :
The combination of two traditional chords sounding together is known as a polychord . it consists of two or more chords ,one on the top of the other.
Bitonality :
use of two musical keys at the same time is called as bitonality.
Hence OPTION (D) IS correct.
Learn more about musical tones here:
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Answer:
Explanation:
Geologic time is divided into four large segments called Eons: Hadean, Archean, Proterozoic, and Phanerozoic. The Phanerozoic Eon is divided into Eras: Paleozoic, Mesozoic, and Cenozoic. The divisions among Eras reflect major changes in the fossil record, including the extinction and appearance of new life forms.