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Schach [20]
3 years ago
12

What are the products in the reaction in the introduction above? Select all that apply. H2O2 or H2O or O2 or catalase

Biology
2 answers:
dezoksy [38]3 years ago
7 0
I believe that the best answer among the choices provided by the question is are the following :

<span> H2O2
H2O
</span><span>catalase</span>
Hope my answer would be a great help for you.    If you have more questions feel free to ask here at Brainly.
Tcecarenko [31]3 years ago
4 0

Answer;

-H2O

-O2

Explanation;

Catalase is a type of enzyme that breaks down hyrogen peroxide and turns it unto water and oxygen. Catalase is involved in a degradation reaction. It speeds the breakdown of hydrogen peroxide in nearly all organisms. Hydrogen peroxide is a powerful oxidizer that can attack and denature cellular molecules like DNA

Catalase speeds the breakdown of hydrogen peroxide into water and oxygen  as shown by the reaction;

2H2O2➝(catalase)➝2H2O + O2

Water and oxygen are the products

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3 years ago
Having freckles (F) is dominant over not having freckles (f). A parent with freckles is crossed with a parent without freckles.
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Answer:

This is a trick question, and only because the question is vague

Explanation:

Use a Punnet Square to figure out the percentages.

If the parent with freckles (let's just call them Parent A) is homozygous dominant, their genotype would be FF.  The parent without freckles (Parent B) has a genotype of ff.

In any situation, the probability of these two having a child that is homozygous dominant for freckles is 0%.  (see punnet squares for more info).  

Now here's where it gets a little more confusing because the question is kind of vague on this.

Assuming that Parent A is homozygous dominant (both genes for this are dominant (FF)), then the probability of having a heterozygous (non-identical genotype letters, meaning they carry the recessive trait) genotype is 100%.  However, if Parent A is also heterozygous, then that percentage decreases to 50%

For Situation A (Parent A is homozygous dominant), the probability of a homozygous recessive genotype is 0%

For Situation B (Parent A is heterozygous dominant), the probability of a homozygous recessive child is 50%.

Please see the Punnet square I made for more information.

Key:

- Homozygous Dominant: FF

- Heterozygous Dominant: Ff

- Homozygous Recessive: ff

(heterozygous recessive does not exist, because that would mean one of the genes is dominant, which would overpower the recessive gene)

I really hope this helps, and if you're confused by this, please do not hesitate to let me know!

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