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Lyrx [107]
3 years ago
9

Where is dna found in eukaryotic cells? why is this important?

Biology
1 answer:
Arturiano [62]3 years ago
8 0

Answer:

nucleus and we need dna so we can figure out people in our past

Explanation:

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Drag each label to the correct location. Each label can be used more than once.
sertanlavr [38]

Answer:

There are 4 types of breezes: land breeze, sea breeze, mountain breeze and valley breeze.

The breeze will originate from an area of high pressure and travel towards/blow in the direction of the area at a lower pressure.

In each case, the name of the breeze indicates where the breeze is blowing from. For instance, the land breeze will blow from the land (at high pressure) to the sea (at lower pressure). A mountain breeze will blow from mountain (at high pressure) towards the valley (at low pressure).

Hope that answers the question, have a great day!

5 0
3 years ago
What forms of energy are being transferred during the nitrogen cycle?
agasfer [191]

Answer:

fixation, ammonification, nitrification, and denitrification.

Explanation:

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification. The majority of Earth's atmosphere (78%) is atmosphere nitrogen, making it the largest source of nitrogen. However, atmospheric nitrogen has limited availability for biological use, leading to a scarcity of usable nitrogen in many types of ecosystems.

6 0
4 years ago
What part of a blade of grass allows the grass to stand up
Oksanka [162]
Cellulose should be the answer
8 0
3 years ago
narvez 5. Everyone in Dobby's family has a long nose and they brag that they are from a purebred line. Viola has a stubby nose.
mote1985 [20]

Assuming a single diallelic gene coding for the trait and expressing complete dominance, the phenotypes, genotypes, and probabilities of getting each of them vary according to the parentals' genotypes. See the options below.

---------------------------------

Since I do not have the genotypes from #2, I will provide <em>different potential scenarios </em>for this question.

I advise you to <em>check on them</em> and see <em>which one matches the genotype from #2.</em>

Let us assume a single diallelic gene is coding for the trait and expresses complete dominance.

<h3 /><h3><u>SCENARIO 1</u>  ⇒ long nose is the dominant trait</h3>

Let us say that

  • L is the dominant allele and codes for long nose
  • l is the recessive allele and codes for stubby nose

Since long nose is dominant over stubby nose

  • LL and Ll ⇒ long nose
  • ll ⇒ stubby nose

If Dobby comes from a purebred family and has long nose, his genotype must be LL.

And if Viola has stubbi nose, her genotype must be ll.

<u>Cross 1</u>

Parentals)    LL   x    ll

Gametes)  L    L     l    l

Punnett square)    L       L

                      l      Ll      Ll

                      l      Ll      Ll

F1) Genotype ⇒ 100% heter0zyg0us Ll

     Phenotype ⇒ 100% long-nosed

  • <em>There is 100% chances for a child to have a long nose</em>
  • <em>There is 0% chances for a child to have a stubby nose</em>
  • <em>These children are not purebred</em>

                                             **********

<h3><u>SCENARIO 2</u>  ⇒ Stubby nose is the dominant trait</h3>

Let us say that

  • S is the dominant allele and codes for stubby nose
  • s is the recessive allele and codes for long nose

Since stubby nose is dominant over long nose

  • SS and Ss ⇒ stubby nose
  • ss ⇒ long nose

If Dobby comes from a purebred family and has long nose, his genotype must be ss.

And if Viola has stubbi nose, her genotype must be either SS or Ss.

There are two possible crosses.

<u>Cross 1</u> : Violet is h0m0zyg0us dominant SS

Parentals)    SS   x    ss

Gametes)  S    S     s    s

Punnett square)   S       S

                      s     Ss     Ss

                      s     Ss     Ss

F1) Genotype ⇒ 100% heter0zyg0us Ss

     Phenotype ⇒ 100% stubby-nosed

  • <em>There is 100% chances for a child to have a stubby nose</em>
  • <em>There is 0% chances for a child to have a long nose</em>
  • <em>These children are not purebred</em>

<u>Cross 2</u>: Violet is heter0zyg0us, Ss

Parentals)    Ss   x    ss

Gametes)  S    s     s    s

Punnett square)   S       s

                      s     Ss     ss

                      s     Ss     ss

F1) Genotype ⇒ 50% heter0zyg0us Ss and 50% h0m0zyg0us recessive ss

     Phenotype ⇒ 50% stubby-nosed and 50% long-nosed

  • <em>There is 50% chances for a child to have a stubby nose</em>
  • <em>There is 50% chances for a child to have a long nose</em>
  • <em>These children are not purebred</em>

----------------------------

You can learn more about single gene crosses at

brainly.com/question/12653314?referrer=searchResults

7 0
2 years ago
Which level of organization falls directly after the tissue level when listed in order from least to most complex?
Rashid [163]
Organ tissue. i think.
9 0
4 years ago
Read 2 more answers
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