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makkiz [27]
4 years ago
7

HHow do you some cells become brain cells and others become skin cells when the DNA and all the cells is exactly the same in oth

er words if the instructions are exactly the same how does one so I'll become a brain cell in another a skin cell?
Biology
1 answer:
Bezzdna [24]4 years ago
5 0

Explanation:

In the early days of development, in an embryo, the cells are pluripotent and can differentiate into any kind of cell of the organism. As the embryo develops, autocrine and paracrine signaling between the cells of the embryo causes the cells to migrate to particular regions of the embryo and begin differentiating into respective parts of the organism. This signaling causes differential silencing of particular genes of the cells depending on the type of cells they will differentiate into. As the embryo develops into a fully grown organism, these cells lose potency (except for stem cells) and become fully differentiated into respective limbs or organs of the organism.

Learn More:

For more on embryology check out;

brainly.com/question/11484135

brainly.com/question/12777212

#LearnWithBrainly

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Design a synthesis of 2-cyclohexenone from 2-methylcyclopentanone.
KiRa [710]

Answer:

Check attachment for the drawing showing the pathway of the reaction.

Explanation:

=====> 2-cyclohexenone is a chemical compound of Density of 993 kg/m³, and the chemical formula of Formula is C6H8O. Also, the Solubility in water of 2-cyclohexenone is equal to 41.3 kg/m³.

=====>2-methylcyclopentanone is a chemical compound of Density which is equal to 0.917 g/mL and a Boiling Point of 141.6±8.0 °C at 760 mmHg.

Both 2-methylcyclopentanone and 2-cyclohexenone belongs to the same alkanone functional group or should it be said that they have the same functional group.

Check the attachment for the reaction pathway for the synthesis of 2-cyclohexenone from 2-methylcyclopentanone.

5 0
3 years ago
A scientist cultures the dried soup from a 4,000-year-old cooking pot found in an Egyptian tomb and obtains a distinctive specie
shtirl [24]

Answer:

Endospore-forming.

Explanation:

Prokaryotes may be defined as the organism that lacks the nucleus and membrane bound cell organelles. Prokaryotes are smaller in size and simple as compared with eukaryotes.

The endospore formation occur in some species of prokaryotes. Endospores are hard, tough covering of the spores to protect them from the harsh environmental conditions. The colony can grow back this means the species has the ability form endospore.

Thus, the answer is endospore forming.  

6 0
3 years ago
Which of these cancer drugs acts by adding hydrocarbon groups to dna? alkylating agents?
stich3 [128]
The propositions are:
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b.antimetabolites
c.topisomerase inhibitors
d.nucleoside analogs
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The right answer is A, 
An alkylating agent is a compound capable of adding alkyl groups to various electronegative groups under conditions present within the cells.

Antimetabolites are an anticancer drug but act differently than the alkylating agent. (interfere with folic acid)
Topoisomerase inhibitor acts by inhibiting isomerase, used in antibiotherapy (like quinolones).
Nucleoside analogs are analogs as their name says, it does not alkylate nucleotides.
AZT (</span><span>Zidovudine) is an antiretroviral drug that inhibits reverse transcriptase.</span>
3 0
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What are the Bacteria stages of water treatment ?
Fofino [41]

Answer:

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Explanation:

4 0
2 years ago
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