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olga2289 [7]
3 years ago
5

2 What cell structure is largely responsible for controlling the entry and exit of substances into or out of the cell?

Biology
1 answer:
lions [1.4K]3 years ago
6 0
2. Cell (Plasma) membrane
4. A cell membrane is made of phospholipids, is flexible, and is found in animal cells. A cell wall is made of cellulose, is rigid, and is found in plant cells.
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Could the mother or the father (or both be "responsible" for this aneuploid condition in a child? explain your choice
eduard
Nondisjunction is the failure of homologous or sister chromatids to separate properly during cell division .There are 3 forms of non junctions.1)failure of a pair of homologous chromosome to separate in meisis 1
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3 years ago
You are served dessert at a restaurant. You want to know what % of the calories in the dessert are from fat. The menu states tha
jasenka [17]

Answer:

39.82 %

Explanation:

Proteins and carbohydrates provide 4 calories per gram. On the other hand, fats provide 9 calories.

We can first calculate the calories of protein + carbohydrates:

       (30g + 4g) x 4 = 136 calories

And we must calculate the calories provided by fat:

        10g x 9 = 90 calories

Now to get the percentage we must see how many calories the dessert has in total:

          136 + 90 = 226 cal

This represents 100% of calories. And now we need to find out how much 90 calories are from the total.

           226 cal -----> 100%

             90 cal ------> X

       (90 x 100) / 226 = 39.82 %

4 0
3 years ago
What is the range for the following set of measurements?
amm1812
B: 2.3 grams to 9.8 grams
7 0
3 years ago
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.What does a reviewer do during peer-review?
Gnesinka [82]
They check for mistakes and bias
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3 years ago
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Match the following vocabulary words.
Simora [160]

Answer:

1) Immunogene

2) immunoglobulin / antibodies

3) Antigen

4 Vaccine

Explanation:

Vaccine: vaccines are made from a weakened or killed form of a Disease causing micro organism

Antigen : these are toxins or foreign substances that causes or stimulates immune response in the body

Immunoglobulin: they are also known as antibodies, they are protein produced by the by the white blood cells to combat foreign substances

Immunogene: these are molecules or substances that have the capability of stimulating immune response by the immune system of an organism.

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