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aev [14]
2 years ago
14

Please help!! It’s late so I need help now! (Photos) I’m pretty sure you can search up the answers so this won’t be too hard.

Biology
1 answer:
diamong [38]2 years ago
8 0

Answer:

Explanation:

- Fertilizer during runoff

- Heat, and radiative chemicals

- Yards and runoff

- Heating the water if run by steam by pumping the waste into rivers

- The clean water act focuses on navigation and water as in fishing, and swimming water while the safe drinking water act dictates how water comes to our cups from their original sources.

- You can get information by any sites locally about disposing chemical waste or any government website ending in .gov

- Home waters including sewage have to be filtered through heavy chemical processes using extra waters and factories. our clean water volume is plummeting.

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Two autosomal genes, J and K, are 60 map units apart. You perform the following testcross: J K / j k x j k / j k. At what freque
Dmitry [639]

Answer:

  • J K / j k = 20%
  • j k / j k = 20%
  • J k / j k = 30%
  • j K / j k = 30%                

Explanation:

To calculate the recombination frequency, we have to know that 1% of recombinations = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.

The map unit is the distance between the pair of genes for which every 100 meiotic products, one of them results in a recombinant one.

So, en the exposed example:

  • J and K are autosomal genes
  • J and K are separated by 60 M.U.
  • 60 M.U. means that there is 60% of recombination.

Cross)             J K / j k                    x                  j k / j k

Gametes) JK  Parental                                     jk, jk, jk, jk

                jk   Parental                                  

                Jk   Recombinant                          

                 jK   Recombinant

One map unit equals 1% of recombination frequency. This means that every 100 meiotic products, one of them is a recombinant one.

1 M.U. -------------- 1% recombination

60 M.U. ------------ 60% recombination

                              30% Jk  +  30% jK

100 M.U. - 60 M.U. = 40 M.U.

40M.U.--------------40 % Parental (Not recombinant)

                            20% JK   +   20% jk

Punnet Square)           JK       jk      Jk      jK

                          jk     JK/jk   jk/jk   Jk/jk   jK/jk

J K / j k = 20%

j k / j k = 20%

J k / j k = 30%

j K / j k = 30%                                

3 0
3 years ago
Given the mRNA sequence below, what would tRNA anticodons be in response? A-U-G-C-C-U-A-C-G-G-G-G-G-C-C-A
Lesechka [4]

Answer:

U-A-C-G-G-A-U-G-C--C-C-C-C-G-G-U

Explanation:

The mRNA (messenger RNA) is produced via the process of TRANSCRIPTION, which is the first stage of gene expression in living cells. The mRNA sequence formed is further read in the ribosomes in a group of three nucleotides called CODONS. This reading is done by another type of RNA called transfer RNA (tRNA).

The tRNA uses a set of three nucleotide bases that are complementary to that of the mRNA codons called ANTICODON. The anticodons are complementary to the mRNA codon i.e. A on the mRNA sequence will be read and recognized by U on the tRNA anticodon.

Hence, given the mRNA sequence: A-U-G-C-C-U-A-C-G-G-G-G-G-C-C-A, the tRNA anticodons that will read this sequence will be: U-A-C-G-G-A-U-G-C--C-C-C-C-G-G-U

8 0
2 years ago
depending on the environment the plant is in, more or less gas may be produced. suggest a method for measuring the rate of gas p
makkiz [27]

Answer: The correct method would be - to collect the gas in an inverted graduated cylinder. Explanation: Place the aquatic plant under the mouth of the graduated cylinder and gather the gas by the water displacement that is delivered by the cycle of photosynthesis. At that point measure, the volume of gas gathered at different times. An individual could consider the impact of temperature, the measure of light, and the accessibility of supplements as components that may influence the pace of gas creation.

6 0
2 years ago
The feet are ___________ to the hands.
balandron [24]
Superior is the answer
5 0
3 years ago
Read 2 more answers
if the item was marked up by 1/2 before it was placed on the sales floor, what was the price that the store paid
shusha [124]
Let the item be x

x=30.00

half of 30 is 15

add 15

get your answer 45.00

fill in x with the real number
8 0
3 years ago
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