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riadik2000 [5.3K]
3 years ago
10

How would the experiment need to be modified in order to determine whether the amount of vitamin A absorbed by the body is depen

dent on the amount of beta carotene consumed?
Biology
2 answers:
lianna [129]3 years ago
6 0

Answer:

There should be more groups of subjects, each consuming a different quantity of beta carotene.

Explanation:

For them to determine whether the amount Vitamin A absorbed by the body is dependent on the amount of beta carotene consumed, what they need to do is to create more groups each consuming a different amount beta carotene by so doing, they have been able to modify the experiment to determine whether the amount of vitamin A absorbed by the body is dependent on the amount of beta carotene consumed.

melomori [17]3 years ago
5 0

Answer:

The experiment should have more different subject groups, with each group consuming a different amount of beta carotene.

Explanation:

When designing an experiment, to determine the effect of the amount of a substance, the experimental design should be done to accommodate more than two experimental group with each group treated with different amount of the substance and also a control group. This will enable the researcher to determine the effect of the different ranges of amount.

In the example, in other to determine if vitamin A is dependent of the amount of beta carotene consumed, there should be more different subject groups, with each group consuming a different amount of beta carotene.

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The allele symbols on the outside of the punnett square represent the alleles in the gametes . Because when we done cross we got the gametes only . Example AABB  X aabb , then we got the gametes  AB and ab .  This represent  AB and ab are the alles of the gamete only . A allele is the alternative form of gene , if one is dominant other one is recessive.

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3 years ago
Na + Cl2 --> NaCl if you were given 15 grams of sodium (with excess chlorine) and asked to determine the amount of NaCl that
Elena-2011 [213]

Answer:

The correct answer is - 38.15 gm of NaCl.

Explanation:

Write the balanced equation for this reaction of sodium (Na) and chlorine (Cl₂) to produce sodium chloride (NaCl):

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the mass of Na and the mass of NaCl :

Molar mass of Na = 23 g/mol

In the balanced equation = 2 × 23 = 46 g

Molar mass of NaCl = 23 + 35.5

= 58.5 g/mol

similarly in balanced equation = 2 × 58.5 = 117 g

From the balanced equation above,

46 g of Na reacted to produce 117 g of NaCl.

By converting it to 15 grams of Na.

Therefore,15 g of Na will react to produce = (15 × 117)/46 = 38.15 g of NaCl.

Thus, 38.15 g of Na

4 0
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