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BabaBlast [244]
3 years ago
12

There are__levels of cell organziton recognized by biologists

Biology
1 answer:
8_murik_8 [283]3 years ago
3 0
Hello.

There are 5 levels of cell organization recognized by biologists
The 5 levels consist of :

1) cells

2) tissues

3) organs

4) organ system

5) organism

Feel free to ask me more questions on my profile. I am more than happy to help. Don't forget Brainliest! :)

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What does it mean that earlobe attachment is a continuous trait?​
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Answer:

If you decided that the continuous spectrum of earlobe shape was a more accurate way to describe the variation, you aren’t alone. Family and genetic studies show that earlobe attachment is actually not a simple trait, but rather a complex trait, affected by multiple genes and environmental factors.

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Passive transport defination
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The movement of substances (as by diffusion) across a cell membrane without the expenditure of energy.

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What kind of animals are best suited to life at the north pole? pick one
Helen [10]
Animals- that have thick layer of blubber or fur

is the correct answer......



HOPE IT HELPS YOU '_'
4 0
3 years ago
Read 2 more answers
Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as an X-linked recessive allele in humans. A woman whose father
prohojiy [21]

Answer:

(a) 1/2; (b) no

Explanation:

Glucose-6-phosphate dehydrogenase deficiency (G6PD) is an X-linked recessive disorder and the woman's father was diseased so it means that woman is a carrier of the allele but has normal phenotype. It means that she will have XXᵇ genotype.

In contrast to this, her husband is diseased so his genotype will be XᵇY.

The Punnett square diagram related to the cross is attached.

(a) Proportion of their sons expected to be G6PD is 1/2:

They both may give birth to 4 progeny with genotypes XXᵇ, XᵇXᵇ, XY and XᵇY. It means they both may have 2 sons out of which one with genotype XᵇY will be diseased while the one with genotype XY will be healthy. So the proportion of their sons having G6PD is 1/2 or 50%.

(b) If the husband were G6PD deficient, the answer will not change.

The reason behind this is that this disease is caused by an allele located in X chromosome. But father contributes only Y chromosome to his son not X chromosome. The X chromosome will affect the genotype of his daughter not son that is why answer will not change. It means they will still have 1/2 of their sons diseased.  

7 0
3 years ago
How dose observed pattern of magnetic reversals supports the theory of sea floor spreading
expeople1 [14]

Answer:

im bord

sorry

3 0
2 years ago
Read 2 more answers
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