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vfiekz [6]
2 years ago
14

Why must the electron transport chain proteins and molecules be embedded in a membrane?

Biology
1 answer:
Lynna [10]2 years ago
6 0

Answer:

because that way protons can be compartmentalized and form a gradient.

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What are the four classes of nutrients?
Harrizon [31]

Answer:

Nutrients are grouped into macronutrients and micronutrients. Carbohydrates, proteins, fats and water are macronutrients, and vitamins and minerals are micronutrients. Although most foods are mixtures of nutrients, many of them contain a lot of one nutrient and a little of the other nutrients.There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water.

hope this answer helps you.....

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7 0
3 years ago
Ws of Inheritance
AleksandrR [38]

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6 0
3 years ago
Which type of epithelium lines the inferior portions of the pharynx?
konstantin123 [22]

Answer:

The type of epithelium that lines the inferior portions of the pharynx is stratified squamous epithelium.

Explanation:

The pharynx is a structure made up of muscles and mucous membranes -like many internal organs- that is part of the respiratory system and is an intermediate step in the digestive tract.

This structure has two portions:

  • <em>Upper or nasopharynx </em>
  • <em>Lower, or oropharynx, in contact with the airways. </em>

Some even propose that the borderline surface between the pharynx and larynx can be called the laryngopharynx, due to its tissue structure.

The lower portion of the pharynx is covered by a squamous stratified epithelium, the inner layers of which rest on a basal lamina. The more superficial layers provide protection to the interior of the pharynx against friction, in addition to remaining lubricated by mucous secretion at that level.

Learn more:

Lower portion of the pharynx brainly.com/question/7300121

7 0
3 years ago
Using traditional classification methods, which of the following sets of organisms would be the most difficult to classify?
kykrilka [37]

Answer:

D.)

Explanation:

Cladograms can compare more animals at one time than traditional classification methods.

6 0
3 years ago
EASY POINTS
GaryK [48]
The best and most correct answer among the choices provided by the question is the first choice. The gonad is usuallyf ound in lower plants and produces gametes. I hope my answer has come to your help. God bless and have a nice day ahead!
6 0
3 years ago
Read 2 more answers
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