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Darya [45]
3 years ago
5

You have a planar bilayer with equal amounts of saturated and unsaturated phospholipids. After testing the permeability of this

membrane to glucose, you increase the proportion of unsaturated phospholipids in the bilayer. What will happen to the membrane's permeability to glucose?
Biology
1 answer:
LenaWriter [7]3 years ago
8 0

Answer: The increase to the permeability to glucose.

Explanation:

Membranes fluidity increases if there is addition of unsaturated proportion in the membrane. This increase in the fluidity of the membrane the glucose molecules will pass more easily through the cell membrane.

The cell membrane of the cells are semi permeable as it does not allows all the molecules to pass through it, it allows only certain molecules to pass through it.

Hence, addition of unsaturated phospholipids in the cell membrane will increase the permeability towards glucose.

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Which statements are true of receptor-mediated endocytosis?
Rufina [12.5K]

The statements that  are true of receptor-mediated endocytosis is that It allows the internalization of extracellular substances in clathrin-coated vesicles.

<h3>What is receptor-mediated endocytosis?</h3>

Receptor-mediated endocytosis  can as well be regarded as the clathrin-mediated endocytosis,  which can be explained as the process by which cells absorb metabolites as well as  hormones, proteins.

It should be noted that in some cases of viruses through the inward budding of the plasma membrane, however the process of endocytosis”  can be seen as one that entails  both the ingestion of large particles  whic could be bacteria as well as the uptake of fluids or macromolecules in small vesicles.

In conclusion, when it take in large moplecules it is known as  phagocytosis (cell eating) , in receptor-mediated endocytosis , there is a room for the internalization of extracellular substances in clathrin-coated vesicles.

Therefore, the first option is correct.

Learn more about substances  at:

brainly.com/question/25677592

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8 0
1 year ago
A plant breeder has determined the following variances for yield of corn in his fields:
Law Incorporation [45]

Answer:

A. VG = 80

B. Broad sense heritability = 0.80

C. Narrow sense heritability = 0.30

D. Average yield = 430 Units

Explanation:

A. Given that

VA = 30

VD = 50

VI = assumed not available

Therefore

Total genetic variance (VG) = VA + VD

= 30 + 50

= 80

VG = 80

B. Given that

VP = 100

VG = 80

Broad sense heritability, H2 = VG/VP

= 80/100

= 0.80

C. Given that

VA = 30

VP = 100

Narrow sense heritability, h2 = VA/VP

=30/100

= 0.30

D. The difference in selection = 500 - 400

= 100

Recall,

Selection response is heritability multiplied by selection differential.

That is

R = h2S

Selection differential = 100

Heritability h2 = 0.30

Selection response = 0.30 × 100

= 30units

Therefore, expected average yield = 400 + 30

= 430 Units

6 0
3 years ago
Bones store what materials
solmaris [256]

Answer:

The bone stores 99% of the body's calcium and 85% of the phosphorus.

8 0
3 years ago
Read 2 more answers
What would happen to the size of the carnivore population if the herbivore population increased?
Aleks [24]
The carnivore population would also increase because there would be a larger food-source for carnivorous so more of them would be able to survive.
The carnivore population would go up as well because they have more food (herbivores) to eat. There would be more food to sustain the carnivore population.



8 0
3 years ago
Read 2 more answers
_____ act as signals or markers to help cells recognize one another.
Varvara68 [4.7K]

Explanation:

-<u>Carbohydrates </u>act as signals or markers to help cells recognize one another.

Carbohydrates are organic macromolecules with a range of functions within organisms. They may act as energy storage, structural support, and signal molecules. Together with transmembrane proteins embedded within the membrane from the extracellular fluid to the cytoplasm, they form glycoproteins (proteins attached to carbohydrates) which function as cell surface markers .

 

Further Explanation:

Carbon, is the backbone of all biological life on Earth. It contains 6 electrons, with 4 on its valence shell, and thus, readily forms covalent bonds with other elements. Covalent bonding involves the sharing of electrons; in nature, this occurs with hydrogen,oxygen, nitrogen, and phosphorus as highly flexible single bonds capable of rotation; rigid, non-rotating  double; and very strong triple bonds. Carbon compounds form rings, and long branched chains- thus, carbon can form macromolecules in nature.

In nature, organic compounds may be large chains of monomers form biological macromolecules which carry out many essential functions in the body. These can include nucleic acids, carbohydrates, proteins and lipids. These are organic molecules, meaning they're ringed or long-chain Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N) and phosphorus (P); they are found in essential organic biomolecules include, proteins, nucleic acids, lipids and carbohydrates.

Carbohydrates function to supply energy and support molecules they consist of mainly sugars or starches in long chains and rings to form monosaccharide monomers. They include monosaccharides, disaccharides and polysaccharides which describes the type of bonding and the degree of complexity of the polymers. Basic makeup: C, H, O -with many polar OH groups

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3 0
4 years ago
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