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3241004551 [841]
3 years ago
12

A larva develops through cell differentiation from

Biology
2 answers:
BabaBlast [244]3 years ago
8 0
The answer is egg! I really hope this helps you out!
Svetradugi [14.3K]3 years ago
8 0

The correct answer is option A, a zygote

Reason -

A zygote (single diploid cell) divides over a period of three week time period and transforms into a larva. An embryo goes through the phases of stages like cleavage, gastrulation, neurulation and organogenesis. A larva transforms through the process of metamorphosis to develop into an adult drastic changes.  

The entire process of development is as follows – .  

Eggs, zygote, larva and then into an adult

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How has gene duplication played a critical role in evolution? see concept 21.5 (page)
Angelina_Jolie [31]

Answer:

Explanation: Without gene duplication, mutation of genes would not exist. This would prevent organisms from adapting to their environment, making survival much more difficult if not impossible.

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1 year ago
What type of human disorders and diseases might be treatable using stem cells?
dybincka [34]

Answer:

The following disorders might be treated by using stem cell therapy:

Spinal injuries can be treated by the stem cell therapy. As the neurons can be replaced by healthy neurons and used to treat Parkinson's disease.

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The cancer can be treated by using stem cell therapy.

Any damaged organ or tissue can be replaced by the stem cell therapy.

Different genetic diseases can be cured by the use of stem cells.

3 0
3 years ago
(d) Researchers discovered a strain of C. parvum that expresses a functional variation of the lactate dehydrogenase gene. A DNA
Gelneren [198K]

Answer:

Changing the allosteric site would definitely impact the sensitivity of the blocker, and we can not understand precisely how it is owing to our lack of awareness of the specific adjustments and the FX11 layout.

Explanation:

The move would most likely reduce affinity, and FX11 will no longer be as successful as inhibiting C. Growth of parvum. An inhibitor may reach an allosteric site since the site has some sizes and operational classes that precisely match the shape and operational categories of the inhibitor, which is how the association is obtained if the shape is modified and the inclination is affected.

Such chemicals can be used as human drugs because the mechanism we 're disrupting isn't that normal in human cells, we 're talking about lactic fermentation. C.parvum is a parasite that is present in the digestive tract, and these areas do not appear to experience aerobic glycolysis. The material that undergoes this process under other conditions is muscle tissue. It is possible that the absorbed drug can penetrate the bloodstream and touch other organs, and we would recommend that clinicians avoid exercise during this drug therapy.

3 0
3 years ago
The heart is the most
svetoff [14.1K]

Answer:

The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism.

7 0
2 years ago
The nucleus of "Lead-208", 208 82 Pb, has 82 protons within a sphere of radius 6.34×10-15 m. Each electric charge has a value of
jarptica [38.1K]

Answer:

2.94 × 10²⁰ N/C

Explanation:

Given that:  

The nucleus of "Lead-208 has 82 protons,

with a radius (r) 6.34×10-15 m, &

each electric charge has a value of 1.60218 × 10^-19 C

∴ The formula for calculating an electrical field at the surface of the nucleus is:

 E=\frac{k*q}{r^2}  

Substituting our values into the equation above, we have;

 E = \frac{8.98755*10^8*82(1.60218*10^{-19C)}}{(6.34*10^{-15}_m)^2}

E = 2.93870499×10²⁰ N/C

E ≅ 2.94 × 10²⁰ N/C

6 0
3 years ago
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