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sattari [20]
3 years ago
9

Do prokaryotic cells have any of the extra credit organelles? thanks so much!!

Biology
1 answer:
konstantin123 [22]3 years ago
8 0
Prokaryotic cells DO NOT have centrioles, cytoskeleton, cilia or vesicles but they DO contain a prokaryotic flagella.

hope this helps!
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The area where an organism lives its life including the living and nonliving factors. What is the answer
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It should be habitat.
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The energy released by the hydrolysis of ATP is:
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<em>The </em><em>energy </em><em>released</em><em> by</em><em> the</em><em> </em><em>hydrolysis</em><em> </em><em>of </em><em>ATP </em><em>is </em> <em><u>7.3 kcal/mol of </u></em><em><u>energy.</u></em>

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3 years ago
Genes for body color (B black dominant to b yellow) and wing shape (C straight dominant to c curved) are located on the same chr
xxMikexx [17]

Answer:

Map distance = Genetic distance, GD = 3.9 MU ≅ 4 MU

Explanation:

The more separated two genes are, the more chances of recombination there will be.  The closer they are, the fewer chances of recombination there will be. Two genes that are very close will have a few recombination events and are strongly bounded.    

To analyze the recombination frequency, we have to know that:

  • 1% of recombination = 1 map unit = 1centi Morgan = 1,000,000 base pairs.
  • 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.  

Knowing that the genes are linked, we can calculate genetic distances between them. First, we need to identify the genotypes of the parental gametes with the ones of the recombinants. We can recognize the parental gametes in the descendants because their phenotypes are the most frequent, while the recombinants are the less frequent. So:

Parentals:

  • black, curved 337
  • yellow, straight 364

Recombinants:

  • Black, straight 17
  • yellow, curved 12

To calculate the recombination frequency we will make use of the next formula: P = Recombinant number / Total of individuals.

P = Recombinant number / Total of individuals.  

P = 17 + 12 / 337 + 364 + 17 + 12

P = 29 / 730

P = 0.039

The genetic distance (GD) will result from multiplying that recombination frequency (P) by 100 and expressing it in map units (MU).

GD = P x 100

GD = 0.039 x 100

GD = 3.9 MU ≅ 4 MU

3 0
3 years ago
Mr. Pappadopolis has a neurocognitive disorder that has caused an interesting symptom: He no longer acknowledges the left side o
krek1111 [17]

Answer:

They suffered a stroke. (Ans. B)

Explanation:

Stroke is known as the medical situation that damages the brain from the termination of its blood supply. Stroke symptoms involve trouble in speaking, paralysis of the face, leg, and arm, muscle weakness, sudden vision loss, etc.

Initial treatment given to the patient with medication like clot-buster, it helps to minimize brain damage. Other medications help to prevent complications and avoiding extra strokes. If Mr. Pappadopolis does not shave the left side of his face or button his left shirt cuff than he is surfing from paralysis stroke of the left side of the body.

8 0
3 years ago
Which is a biotic factor? A. plants B. elevation C. soil composition D. average temperature
riadik2000 [5.3K]
Biotic is living things so it's either A or C  I'm good at Biology I have a 100%
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