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laila [671]
3 years ago
6

15. DNA replication is said to be semi-conservative. What does that mean?

Biology
1 answer:
sveta [45]3 years ago
4 0

Answer: dna replication would be semi-conservative because they produce two copies. one being the original one and then the new one

Explanation:

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In a certain plant, yellow leaves are dominant and red leaves are recessive. A plant with genotype Yy and a plant with Yy are cr
Tanzania [10]

Answer:

One offspring would have red leaves.

Explanation:

Given

Yellow leaves are dominant and red leaves are recessive

Let us assume that the trait of Yellow color of a leaf be  represented by "Y"

and the trait of red color of a leaf be  represented by "y"

When two parent of genotype "Yy" are crossed with each other, the following offsprings are produced as shown in the punnet square below

Y y

Y YY Yy

y Yy yy

Total four offpsrings are produced out of which only one has red leave as red color is a recessive trait and it will appear only when both the allele in a cell are of red color.

Thus, one offspring would have red leaves.

7 0
3 years ago
Hepatocyte growth factor aff ects satellite cell activation and diff erentiation in regenerating skeletal muscle
vichka [17]

Hepatocyte growth factor (HGF) is the only known growth factor that activates quiescent satellite cells in skeletal muscle.

Hepatocyte growth factor regulates cell growth, cell motility, and morphogenesis by activating a tyrosine kinase signaling cascade after binding to the proto-oncogenic c-Met receptor. Hepatocyte growth factor is secreted by mesenchymal cells and acts as a multi-functional cytokine on cells of mainly epithelial origin.

HGF, produced by some cancer cells, stimulates c-Met, through activation of the autocrine signaling system. Hepatocyte growth factor (HGF) is a paracrine hormone that plays an important role in epithelial-mesenchymal transition. HGF secreted by mesenchymal cells affects many properties of epithelial cells, such as proliferation, motility, and morphology.

To learn more about Hepatocyte growth factor , here

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4 0
1 year ago
2. What is the difference between primary and secondary succession?
horsena [70]

Answer:

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

6 0
2 years ago
Please help I’ll mark you as brainliest if correct! #10
Alecsey [184]
The answer would be H. Dominant because the trait that’s being expressed is considered the dominant trait, hope this helps :)
8 0
3 years ago
Read 2 more answers
Eukaryotic mrnas frequently have multiple 'additional' in-frame stop codon present after the first stop codon. what, if any, fun
kipiarov [429]

Well, it is possible that those stop codons have dual functions. They can act as stop signals or, on the other hand, they can be used to incorporate amino acids.

Other explanation is that multiple stop codons may reduce the  rate of nonsense mutation.


3 0
3 years ago
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