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kumpel [21]
3 years ago
5

Please help me!!! Thank you

Biology
2 answers:
Oxana [17]3 years ago
7 0

Answer:

it's the 2 one

Explanation:

please mark me as brainliest thank you so

kirza4 [7]3 years ago
5 0
It will be the 2 one, & can you mark me as a brainlist.
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Compare and contrast the de novo synthesis of purine and pyrimidine ribonucleotides. move each item to the appropriate bin. if a
Arisa [49]
<h3><u>Answer and Explanation</u>;</h3>
  • Purines: Heterocyclic rings are synthesized one atom at a time, first atom attached to ribose phosphate (source is PRPP) and then all the other atoms are added .
  • Pyrimidines: Common intermediate, orotate, synthesized first, then orotate is attached to ribose phosphate (source is PRPP or 5-Phosphoribosyl-1-pyrophosphate).
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4 years ago
An object, such as a pair of scissors, can become a temporary magnet by rubbing the object with the end of a magnet.
Alla [95]
In my opinion it is true
7 0
3 years ago
What fraction of offspring of the cross AaBb × AaBb would be homozygous for both the dominant alleles, assuming that they are on
Veseljchak [2.6K]

Answer:

A. 1/16

Explanation:

If we break the dihybrid cross of AaBb X AaBb into individual monohybrid crosses:

Aa X Aa :

     A    a

A  AA Aa

a  Aa   aa

1/4 of the progeny will be homozygous for dominant allele (AA)

Similarly, in cross Bb X Bb 1/4 of the progeny will be homozygous for dominant allele (BB)

Hence, in cross AaBb X AaBb:

1/4 * 1/4 = 1/16 will be homozygous for both the dominant alleles.

6 0
3 years ago
Many animals and plants carry out this type of reproduction
zalisa [80]

Answer:

Sexual reproduction involves the fusion of male and female gametes to form a zygote. The fusion of the nuclei of male and female gametes is known as fertilization. Asexual reproduction does not involve gametes, instead parts of a mature organism may develop to new individuals

HOPE IT'S HELP YOU !!!!!!

MARK ME BRAINLIST

7 0
2 years ago
The male japanese beetle breaks down female pheromes? what structure inside the cell of the male beetle breaks down the phermoon
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The right answer is the lysosome


The lysosome is a eukaryotic cell organelle.

The lysosome contains hydrolases, enzymes intended for the degradation of intracellular molecules. They are only active at acidic pH, hence the lowering of the pH in the vesicle.

The lysosome has a cellular garbage function, where the non-functional or undesired molecules are removed by digestion.

5 0
3 years ago
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