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Assoli18 [71]
2 years ago
5

What does a scientist observe in a chemical's reaction rate? the speed at which the reactants change to products over a given ti

me. the speed at which the reactants are formed over a given time the speed at which the reactants reach chemical equilibrium over a given time , , the speed at which the reactants reach chemical equilibrium over a given time
Biology
1 answer:
kvasek [131]2 years ago
8 0

Answer:

The speed at which the reactants change to products over a given time.

Explanation:

A chemical's <u>reaction rate</u><u> is the change in the concentration of a reactant or a product with time (in moles per second)</u>.

Remember that during a chemical reaction, reactants are converted to products. Or what is the same, products are formed at the expense of reactants. This can be represented:

reactants → products

Therefore,<u> the progress of a reaction can be followed measuring the decrease in concentration of the reactants or the increase in concentration of the products.</u>

According to the temperature and other parameters, the reaction rate can increase or decrease.

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Why would we give moral consideration to infants but not animals??
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3 years ago
A population is made up of individuals where 77 have the A1A1 genotype, 65 have the A1A2 genotype, and 123 have the A2A2 genotyp
lana [24]

Answer:

Frequency of allele A1- 0.41

Explanation:

In Hardy weinberg equilibrium,

P refers to the dominant allele

q refers to the recessive allele

The allele frequency will be p+q=1

The genotypic frequency is- P²+q²+2pq=1

P²= genotype of dominant trait ( A1A1)- 77

2pq= genotype of heterozygotes (2pq)- 65

q²= genotype of recessive trait (A2A2)-  123

Total number of offsprings= 77+  65+ 123

                                            = 265

Now to calculate allele frequency of A1=

\dfrac{\text{number of A1A1 offspring}}{ \text{total number of offspring}}+\dfrac{1}{2}(\dfrac{\text{number of A1A2 offspring}}{\text{total number of offspring}})

= 77/265 + 1/2( 65//265)

=  0.290+ 0.122

= 0.413

Thus, 0.41 is correct.

3 0
3 years ago
Why do some children look more like their mother or more like their father?
baherus [9]

Answer:

The parents' part  DNA Is passed on to their Children, the genes get activated

on both the Mom and dad's. Some of the chromosomes are basically Copied from the parents. and that is what Makes the children Look more like their parents.

Explanation:

I hope this helps!

have a nice Day!

8 0
3 years ago
What is the difference between spindle fibers and spindle microtubules.
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Answer:i found this on google and got it right

Explanation:

Image result for What is the difference between spindle fibers and spindle microtubules

Spindle fibers are used in cell division, and are made of microtubules. ... As the others have written, microtubules are a “track” that can move organelles around when “motor” proteins (that cleave ATP) pull those organelles. The spindle is what moves the chromosomes during mitosis and meiosis

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3 years ago
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