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denis23 [38]
2 years ago
13

Predict the likely effect on the ability of substance L to enter the cells if substance L is attached to a large protein instead

of free in the
culture.
Biology
1 answer:
Pani-rosa [81]2 years ago
5 0

Answer:

Since the cell membrane is semi-permeable, the likelihood of substance L entering the cell attached to a large protein is lower than that of substance L free in the culture. Substance L enters the cell membrane through active transport, but the cell membrane may block the larger protein, thus blocking substance L, if it is attached to the large protein.

Explanation:

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Carbohydrates on the surface of leukocytes play an important role in responding to infection or inflammation. Place the followin
svlad2 [7]

Answer:

E, A, B, D, C

Explanation:

Leukocytes are cells that are found in the blood stream and they help identify foreign materials and fight against them, they are also called white blood cells.

The process that is given in the question looks like this when the steps are put in the right order;

E, cytokines are secreted where needed and they signal certain cells according to the action that needs to be taken.

A, endothelial cells which are located on the surface of the blood vessels produce selectins.

B, selectins which are proteins that are made up of single chain and help with the cell adhesion with other molecules, carbohydrates in the example.

D, leukocytes roll along the walls of the blood vessel.

C, and lastly leukocytes crawl out of the vessel into the adjacent tissue.

I hope this answer helps.

5 0
2 years ago
Read 2 more answers
Kendra wishes to build a model of a carbohydrate molecule, ideally containing as many monomers as possible. Which set should she
deff fn [24]

Answer:

Polysaccharides

Explanation:

Polysaccharides are sets of carbohydrates formed by the union of hundreds and miles of carbohydrate molecules, the set having the largest possible number of monomers

4 0
2 years ago
Use the model to explain how celiac disease interrupts the normal transportation of energy and other nutrients from the digestiv
IrinaK [193]

Answer:

According to the model, the "villi" of small intestines is being damaged as an impact of celiac disease. Small intestines are responsible for absorption of nutrients and minerals from food, this occurs through villi, in case of damaged villi absorption is interfered, thus disturbing the digestive system. If the nutrients, minerals or vitamins are not being absorbed well by small intestines then they will be excreted out of the body and will not be transported to the blood and other areas, this would result in deficiency of minerals and vitamins  in blood that cause weakness.

8 0
2 years ago
Read 2 more answers
A young child received a mumps, measles, rubella and varicella (mmrv) injection at a neighborhood clinic with provider counselin
kogti [31]
The CPT codes to be used for this case will be letter B: 
-90710 - cpt code for <span>Measles, mumps, rubella, and varicella vaccine (MMRV), live, for subcutaneous use
-90460 - </span><span> cpt code for administration of a vaccine with counseling by qualified healthcare professional which is the first and only component administered 
</span><span>
In the statement, it was only indicated that a child received once. No details as to whether this was a booster shot. </span>
8 0
2 years ago
Researchers believe that in a fish species, individuals with the recessive genotype aa are predisposed to disease. Homozygous do
Nataly_w [17]

Answer:

The homozygous dominant phenotype is higher than expected, indicating that evolution has occurred.

Explanation:

At the start there are 200 fishes in the pond, 100 of them are AA(50%) and 100 of them are aa(50%). Using the Hardy-Weinberg Equilibrium equation we can say that the gene frequency is

A=0.5

a=0.5

With those frequency, the expected percentage of offspring with dominant genotype will be:

AA= 0.5 * 0.5 = 0.25 = 25%

The number of homozygous dominant found is 35% which is higher than expected  (25%). Higher homozygous dominant frequency than expected means the Hardy-Weinberg Equilibrium is changed. In this case, evolution probably the cause that shifts the gene frequency.

7 0
2 years ago
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