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Lady_Fox [76]
2 years ago
13

Which type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver? very low density lipoprote

ins (vldls) low density lipoproteins (ldls) intermediate density lipoproteins (idls) high density lipoproteins (hdls)?
Biology
1 answer:
Leona [35]2 years ago
6 0
Answer: High density lipoproteins (HDL)

High density lipoprotein can transport back cholesterol and sometimes called "good cholesterol". Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) when other cholesterol considered as dyslipidemia if its too high.

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No system is completely closed off from its surroundings
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No system is closed off by it surroundings.

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In the pea plant, the allele for green pod color (G) dominates the allele for yellow pod color (g). The Punnett square illustrat
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The  offspring  that  can be  described  by  the genotype  is  Gg   while  for the  phenotype  is  green  pod color

  The cross between  GG  and  gg  give   a  heterozygous  offspring  that Gg  offspring.    The  offspring  are  have a green  pod  color  since  the   green  pod  color  is dominant over  yellow  pod  color    and  therefore  the offspring  have  a  green  pod color. The  cross  is  as the  punnet square  below.

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3 years ago
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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
2 years ago
How is an enzyme’s shape affected when it becomes denatured?
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Answer:

Explanation:

it becomes distorted, it can no longer bind to its substrate, it no longer works correctly. ... they each have a unique shape that the substrate needs to stick to.

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Which organelle is the control center of a cell?
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The Nucleus is the control center, or brain of the cell.
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