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Crank
3 years ago
8

What does facilitated diffusion across a cell membrane require

Biology
1 answer:
professor190 [17]3 years ago
8 0

Answer:

Explanation: In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into or out of, the cell by moving down it.

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Match the following. 1. coyotes omnivores 2. cattle scavengers 3. alligators herbivores 4. vultures carnivores
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3 years ago
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Answer the following using directional terms specific to the dentition. a Your canine is _______________________________________
Ratling [72]

Answer:

The correct answer is - a. mesial, b. distal c. buccal d. distal e. lingual f. occlusal.

Explanation:

Mesial is the surface near the midline of the face, In dentistry, the canine is mesial to the first molar which means it is the middle of the face. The third molar is distal to the second molar.

Distal is the backside of a particular tooth in dentistry. The cheek side of the tooth known as the facial surface for the front teeth in dentistry. Lateral incisors are distal to the central incisors. Lingual is the part of the tooth near the tongue. The chewing surface of posterior teeth is also known as the occlusal.

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