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SIZIF [17.4K]
3 years ago
15

What are the roles of consumers? Check all that apply.

Biology
2 answers:
ser-zykov [4K]3 years ago
8 0
The second and fourth answer. :)
zlopas [31]3 years ago
7 0
B and d are your answers
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Antimicrobiano solutions with water as the solvent are called what solutions, whereas anti microbial solutions with alcohol or w
faltersainse [42]

Antimicrobial solutions with water as the solvent are called aqueous solutions, whereas antimicrobial solutions with alcohol or water-alcohol mixtures as the solvent are called tinctures.

<h3>What are Antimicrobial solutions?</h3>

The antimicrobial solutions are those solutions that are produced from microorganisms which can be used for the treatment of infection caused by harmful microorganisms.

Antimicrobial solutions with water as the solvent are called aqueous solutions, whereas antimicrobial solutions with alcohol or water-alcohol mixtures as the solvent are called tinctures.

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6 0
2 years ago
The structure of the cell membrane allows it to be selectively permeable. What is the name for the larger, brown structure in th
Anika [276]

Explanation:

B) protein channel

Lipids are composed of fatty acids which form the hydrobic tail and glycerol which forms the hydrophilic head; glycerol is a 3-Carbon alcohol which is water soluble, while the fatty acid tail is a long chain hydrocarbon (hydrogens attached to a carbon backone) with up to 36 carbons.

Their polarity or arrangement can give these non-polar macromolecules hydrophilic and hydrophobic properties. Via <em>diffusion,</em> small water molecules can move across the phospholipid bilayer acts as a semi-permeable membrane into the extracellular fluid or the cytoplasm which are both hydrophilic and contain large concentrations of polar water molecules or other water-soluble compounds. The hydrophilic heads of the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Transmembrane proteins are embedded within the membrane from the extracellular fluid to the cytoplasm, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) which function as cell surface markers. Carrier proteins and channel proteins are the two major classes of membrane transport proteins.

  • Carrier proteins (also called carriers, permeases, or transporters) bind the specific solute to be transported and undergo a series of conformational changes to transfer the bound solute across the membrane. Transport proteins spanning the plasma membrane facilitate the movement of ions and other complex, polar molecules  which are typically prevented from moving across the membrane.
  • Channel proteins which are pores filled with water versus enabling charged molecules to diffuse across the membrane,  from regions of high concentration to regions of lower concentration. This is a passive part of facilitated diffusion

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4 0
3 years ago
In the organization of living things, a ______________ would include thelargest number of individuals
vesna_86 [32]

Answer:

a biosphere contains the largest number of individuals.

Explanation:

6 0
3 years ago
Igestion of carbohydrates within the small intestine involves enzymes that come from the? a: mouth. b: stomach. c: pancreas. d:
ella [17]

Enzymes come from the pancreas.

What are Enzymes?

Enzymes are proteins that help speed up metabolism, or the chemical reactions in our bodies. They build some substances and break others down. All living things have enzymes. Our bodies naturally produce enzymes.

The small intestine, not the stomach, is where carbohydrates are chemically broken down. The chemical breakdown of digestible carbohydrates is completed by disaccharidases and pancreatic amylase. The circulation carries the monosaccharides to the liver after absorption.

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8 0
2 years ago
The cuticle protects the skin at the tip of the finger and the bone underneath.
VikaD [51]
True.  Please Mark Brainliest!!!
5 0
3 years ago
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