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kolbaska11 [484]
4 years ago
7

How does a catalyst influence a chemical reaction?

Biology
2 answers:
dexar [7]4 years ago
8 0
Catalysts help drive and speed up chemical reactions.
DedPeter [7]4 years ago
7 0
A catalyst is what sparks the chemical reaction. 
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Individuals III-3 and III-4 are expecting their first child when they become aware that they both have a family history of this
ad-work [718]

The genealogy tree which is missing from the question is in the attachment.

Answer: 1) P1 = \frac{1}{2}; 2) P2 = \frac{1}{2}; 3)P3 = \frac{1}{16}

Explanation: 1) According to the genealogy tree, the individual III-3 has a P1 = 1/2, because each of the parents are heterozygous for the condition, since one of the ofspring is affected.

2) For individual III-4, one of the parents is heterozygous for the condition, so the probability of being a carrier is P2 = 1/2.

3) Now, for individual IV-1 be affected, the parents has to be carrier. So, this probability, depends on the probability of each parent being heterozygous and that the individual will be carrying the condition, which means:

P3 = 1/2 · 1/2 · 1/4 = 1/16.

The probability of having the condition is 1/16 or 6.25%.

4 0
3 years ago
Which of the following is the correct order in which toxic nitrogen compounds are converted to less toxic nitrogen compounds in
alex41 [277]

The order in which toxic nitrogen compounds are converted to less toxic nitrogen compounds in the nitrogen cycle is NH3 ----> NO2-   -----> NO3-

The nitrogen cycle refers to the movement of nitrogen in the ecosystem. The process of converting nitrogen into less toxic forms of nitrogen which is useful to plants is called nitrification.

During the process of nitrification, ammonia or ammonium is first converted to nitrates by the action of the microorganism called nitrosomonas. Nitrobacter converts nitrites to nitrates which are useful to plants.

Hence, the order in which toxic nitrogen compounds are converted to less toxic nitrogen compounds in the nitrogen cycle is NH3 ----> NO2-   -----> NO3-

Learn more: brainly.com/question/1245871

5 0
3 years ago
How do we get pineapples? How do you grow them? Do they come from trees??
ArbitrLikvidat [17]
Yup pineapple come from tress we get then by planting their seeds
7 0
3 years ago
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Study the characteristics of the channel in this picture. What might the river look like following this type of channel?
andreyandreev [35.5K]

Answer:

C) a mature river

Explanation:

The channel on the image shows a meandering river. This basically means that the river managed to erode the banks and it has taken a snake-like shape, better known as meander. A river that exhibits such a thing is a mature river. This can be supported by the fact that the river needs long time to be able to erode the surrounding area, especially when it comes to flatter land. A young river will be mostly straight and will have its flow determined by the landscape around it, but a mature river has had the time to make its own path, to erode parts o the landscape, and take a certain shape, in this case a meander.

4 0
3 years ago
Describe the role of water in a hydrolysis reaction
kogti [31]

Answer:

In its simplest definition, hydrolysis is a chemical reaction in which water is used to break down the bonds of a particular substance. ... Hydrolysis can also be thought of as the exact opposite reaction to condensation, which is the process whereby two molecules combine to form one larger molecule

Explanation:

7 0
3 years ago
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