What is the difference between mitosis and meiosis?

1 answer:

3 0

Mitosis creates a diploid duplicate of the parent cell that is genetically the same as its parent cell, and meiosis creates haploid cells that are genetically different than their parent cell.

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Which of these is a body fossil? A.shrimp burrow B.Plant Imprint C. Claw Print D.dinousaur egg

Alik [6]

Claw print could be it

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3 years ago

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Isotopes of elements have different:

Morgarella [4.7K]

Isotopes of elements have same atomic numbers and different mass number(atomic masses).

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3 years ago

NISA [10]

Answer:

C. involve the attraction of opposite charges

Explanation:

Ionic bonding involves the attraction between oppositely charged ions, as in Na⁺ Cl⁻.

Covalent bonding involves the attraction between negatively charged electrons and positivey charged nuclei, as in a C-H bond.

A is wrong. Ionic bonding involves the transfer of electrons.

B is wrong. Covalent bonding involves the sharing of electrons.

D is wrong. Ionic bonds are usually stronger than covalent bonds.

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3 years ago

Chlorine (cl) has an atomic number of 17. it often forms an ion by gaining 1 electron. what would its charge be?

Aliun [14]

Answer:

= -1

Explanation:

Chlorine belongs to the halogen group in the periodic table. It has an atomic number of 17, which indicates the number of protons and electrons in a neutral atom of chlorine is 17.
Therefore; with an atomic number of 17, its electronic configuration will be 2:8:7.
Thus; to attain a stable configuration chlorine requires to gain one electron, by so doing it becomes a negatively charged ion with a charge of -1.

6 0

3 years ago

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For the reaction NH4Cl (s)→NH3 (g) + HCl (g) at 25°C, ΔH = 176 kJ/moland ΔS = 0.285 kJ/(mol - K).

rjkz [21]

Answer:

91kj/mol;no

Explanation:

Took this before I gotchu.

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3 years ago