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Licemer1 [7]
2 years ago
5

The cell theory states that all cells come from preexisting cells. If this is the case, why are the cells in a multicellular org

anism so different from one another?.
Biology
1 answer:
Anni [7]2 years ago
5 0

Given what we know, we can confirm that the cell theory states that all cells come from preexisting cells despite the cells in a multicellular organism being so different from one another due to cellular differentiation.

<h3>What do we know about cellular differentiation?</h3>
  • Cellular differentiation involves the selective expression of DNA.
  • When only specific parts of the DNA sequence are expressed, and thus only specific proteins are formed, a cell can differentiate.
  • This allows the cells to specialize themselves despite all of them containing the same DNA.
  • Over time, this has allowed all cells, despite sharing a common origin, to become vastly different.

Therefore, given that cellular differentiation controls what genes of a cell are expressed in order to allow the cell to specialize itself into a specific cell type, this explains why even though all cells share a common origin, they can all be very distinct.

To learn more about cells visit:

brainly.com/question/5763151?referrer=searchResults

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What are the most likely percentages for offspring of two red/white-feathers parents?
weeeeeb [17]

Answer:

The question lacks options, the options are:

parents?

A.100% red/white-feather chickens.

B.50% white-feather chickens and 50% red/white-feather chickens.

C.33% white-feather chickens, 33% red-feather chickens, and 33% red/white-feather chickens.

D.25% white-feather chickens, 25% red-feather chickens, and 50% red/white-feather chickens

The Correct answer is D

Explanation:

According to the question, the hybrid chicken has a mixture of red and white feather phenotypes expressed at the same time. This tells us that the red and white alleles are CODOMINANT in the chicken i.e. none is dominant or recessive over the other.

Let's assume that (R) allele is the red feather colour while (r) allele is for white feather colour. Therefore, the red/white feathered chicken will have a Rr genotype. In a cross between two red/white feathered chicken (Rr), the following offsprings will be produced RR, Rr, Rr and rr

RR- Homozygous red feather d chicken (1/4 × 100=25%)

Rr- Hybrid Red/White feathered chicken (2/4 × 100=50%)

rr- Homozygous white feathered chicken (1/4 × 100=25%)

8 0
2 years ago
1. Discuss and give examples of the following community interactions:
Westkost [7]
1. a) predation is when one organism is harmed and the other is benefited. An example of this is when a predator eats/hunts its prey - like a lion eating a lamb

b) commensalism  is when one organism benefits from the other and the second organism is not affected. An example of this are the barnicles on a whale

c) symbiosis is the long-term interaction between two different biological organisms

d) parasitism is when one organism is harmed while the other is benefited


4 0
3 years ago
Analyse the impact of these electronic media,such as social networks on individual under positive impact (5)
Mkey [24]

Answer: Social media permits you to: Communicate and sit up thus far with family and friends round the world. notice new friends and communities; network with people UN agency share similar interests or ambitions. be a part of or promote worthy causes; raise awareness on necessary problems.

Explanation:

6 0
1 year ago
Translation and protein synthesis is occurring at the ribosome. If the tRNA anticodon being matched at the ribosome is AUG, what
Bas_tet [7]

Answer:

The correct answer would be - option D) UAC.

Explanation:

By the process of the translation mRNA turns into protein as mRNA is considered as blueprint of the protein. During translation tRNA contains anti-codons or amino acid this anti-codon is correspond to the codon of mRNA.

The anticodon of tRNA which is present at the accept site or anticodon of tRNA molecule is complementary to the codon present in the mRNA which means A pairs with U and G pairs with C only.

Thus, the correct answer would be - option D) UAC.

8 0
3 years ago
A rabbit’s intestine helps it digest cellulose, which is a time-consuming and complex process. To digest cellulose, rabbits requ
sladkih [1.3K]

Answer: A

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4 0
2 years ago
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