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sveticcg [70]
2 years ago
9

Mitosis is a form of cell division in which one cell divides into two new cells. Each new cell has the same number of chromosome

s as the original cell.
In which of the following processes does mitosis play a vital role?
Biology
2 answers:
zepelin [54]2 years ago
6 0

Answer:

growth

Explanation:

as the living organism grow, it's as a result of cell division

____ [38]2 years ago
4 0

Answer:

dividing the number of cells into four daughter cells

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How does the photosynthetic reaction center differ from the chorophyll molecules in the antenna complex?
o-na [289]

Answer:

Photosynthetic reaction center differ from the chlorophyll molecules in the antenna complex by the presence  and absence of core pigment and accessory pigment.

Explanation:

Photosynthetic reaction center contain core pigment known as chlorophyll  A which can aborb wavelength of sunlight not more than 700 nm in case of Photosystem 1 and the core chlorophyll pigment of Photosystem 2 absorb light having wavelength of 680nm or less than that.

                           Antenna complex or light harvesting complex  such as chlorophyll b ,Carotenoid,Xanthophyll absorb light energy from sunlight and transfer that light energy to photosynthetic reaction center by resonance energy transfer so that the photosynthetic reaction center uses the same(light energy) in form of chemical energy to out the further reactions of photosynthesis.

             

5 0
3 years ago
The 'G' in the universal gravitation formula
shutvik [7]

b. Gravitational constant

Explanation:

G in the universal gravitation formula represents the gravitation constant. It's value is  2.071×10⁻⁴³ s²⋅m⁻¹⋅kg⁻¹.

  • The law of universal gravitation states that "the gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance separating them".

Mathematically, the law is expressed as:

            F = G\frac{m_{1} m_{2}  }{r^{2} }

Where F is the gravitational force

            G is the gravitational constant

            r is the distance

            m is the mass 1 and 2 bodies

Learn more:

Gravitational force brainly.com/question/1724648

#learnwithBrainly

3 0
3 years ago
What would be the effect of a mutation in the coding region of the lactase gene?
Fynjy0 [20]

Lactase refers to an enzyme that can dissociate lactose sugar into glucose and galactose. This enzyme plays an important role in the digestion of milk that comprises high lactose sugar. In case, if a mutation occurs in the gene codon of lactase, then two possibilities can take place. These are as follows:  

1. Loss of mutation: In this case, the person becomes lactose intolerant because of mutation in lactase gene codon. Due to this, there is low mRNA expression and thus low production of the enzyme lactase. This is also known as lactase non-persistent phenotype.  

2. Gain in mutation: In this case, the person gain an increase in mRNA expression of the lactase gene, thus more production of lactase takes place than usual. This kind of individual exhibits lactase persistent phenotype.  


5 0
3 years ago
A species that influences the survival of many other species in an ecosystem is called a(n)
Vlad [161]
Keystone species, they kinda hold the food webs together
5 0
3 years ago
Which structures are not found in prokaryotic cells?
Snezhnost [94]

Answer:

Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles.

Explanation:

5 0
3 years ago
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