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Molodets [167]
3 years ago
8

Will you be playing with the top or bottom strip of DNA

Biology
2 answers:
Sergio039 [100]3 years ago
7 0

Answer:

top

Explanation:

Mila [183]3 years ago
5 0

Hello. You forgot to put the image needed to answer that question. The image is attached below:

Answer:

Top

Explanation:

Transcription is the biochemical process responsible for making the RNA molecule.

The RNA molecule is formed using one of the DNA strands as a model. Thus, the enzyme responsible for the formation of RNA, uses the sequence of nitrogenous bases of the DNA strand and forms the RNA molecule based on the complementarity of these DNA bases.

In the figure below, the RNA molecule is the red colored strand, which, as you can see, is being formed based on the top strand of DNA.

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Consider two different traits in mice affecting tail length and fur color. A two-factor cross was made involving true-breeding m
Stells [14]

Answer:

See the answer below

Explanation:

Null hypothesis: The two genes are independently assorting and therefore, are not linked to each other.

Let A represents the allele for tail length and B for fur color. Long-tail A is dominant over short tail a while brown fur B is dominant over white fur b.

For the first cross involving true-breeding mice:

    AABB   x   aabb

F1         AaBb (long tails and brown fur)

For the second cross:

      AaBb   x   aabb

4 AaBb - Long-tail, brown fur

4 Aabb - Long tail, white fur

4 aaBb - short tail, brown fur

4 aabb - short tail, white fur

Since the phenotypic ratio from the cross is 1:1:1:1, if the null hypothesis was to be true, it means that the expected phenotype ratio should be 1:1:1:1.

In order to test this hypothesis, we use Chi-square:

phenotype                           O            E                 X^2  

Long-tail, brown fur           118          97.5        \frac{(118-97.5)^2}{97.5} = 4.31

Long tail, white fur              77           97.5             4.31

short tail, brown fur             81           97.5              2.79

short tail, white fur              114           97.5              2.79

Total                                                                          14.2

Degree of freedom = 4 - 1 = 3

Critical Chi-square value = 7.815

The calculated Chi-square value is more than the critical value, hence, the null hypothesis is rejected.

8 0
3 years ago
Please label it and send to me it's too urgent ​
schepotkina [342]
Hope this helps. I couldn’t print your image.

7 0
3 years ago
Read 2 more answers
What type of macromolecule is an enzyme
Novay_Z [31]
<span>ENZYMES ARE PROTEINS. All proteins are made up of amino acid.. Enzymes are used as catalysts in metabolic reactions in living organisms. They help to speed up the rate of chemical reaction but they are not used up in the reaction. Enzymes requires optimum conditions to function optimally. </span>
5 0
3 years ago
Read 2 more answers
1 out of every 5 pounds of an average adult's body weight is fat. what percent of body weight is fat?
podryga [215]
1 out of 5 is 1/5.
Divide that and you get .20, which is 20%, so that is your answer, 20% fat.
5 0
3 years ago
You farm kelp and sell the kelp for food and as fertilizer. The wastes from the kelp can be used in an integrated aquaculture sy
timama [110]
<span>A sustainable system refers to producing less or probably non-existent debris that are caused by the production of a particular material (i.e. produce, energy). This is a sustainable form of production of coupling algae growth and fish farming because you no longer need the supply of fish feed from other sources that are made artificially but rather, you are using the available algae growth that you are culturing. Farm fishing alone is non-renewable because this produces much waste that can directly harm the environment.<span>
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5 0
3 years ago
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