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Nonamiya [84]
1 year ago
13

What information does the author use to support the point of view in "The Problem with Plastic" that is not included in "Make a

Change: Alternatives to Plastic Straws"
Biology
1 answer:
Vilka [71]1 year ago
7 0

Answer:

The environmental threat posed by the egregious amounts of plastic waste that have accumulated over the years, and that will likely continue to increase unabated.

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Carbohydrates are the primary source of energy for the human body. If your body lacks enzymes that break down carbohydrates, it
SVEN [57.7K]

Ambitious

If your body lacks enzymes that break down

carbohydrates, it would be unable to get sugar molecules for energy production.

If you lacked the enzyme to digest proteins, you may not absorb enough amino

acids.

The digestive system in our body changes

carbohydrates into glucose; also known as blood sugar to be use as an important

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7 0
2 years ago
Read 2 more answers
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
2 years ago
Describe what lead to modern mangrove forest replanting efforts
anyanavicka [17]
There are various reasons due to which modern mangrove forest replanting efforts are going on. Firstly it supports a great variety of fishes and marine life. Secondly it helps to stop land erosion and also is a good carbon sink. Mangrove forests also provide protection against typhoons to the people living nearby/ It also supports a variety of wild life.
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2 years ago
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What is the role of dna ligase in the elongation of the lagging strand during dna replication?
Mashcka [7]

The role of DNA ligase in the elongation of the lagging strand during dna replication is that it joins Okazaki fragments together.


Hope this helps. :)

7 0
2 years ago
Under certain conditions, it is possible to get more work out of a machine than you put into it.
Brilliant_brown [7]

Answer:

the first option is true

6 0
1 year ago
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