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maks197457 [2]
3 years ago
6

How do you determine the number of electrons in the outer orbital of the atom?

Biology
1 answer:
Pie3 years ago
8 0
Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.
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What is the best evidence for a three-domain system?
ch4aika [34]

Answer:

The best evidence for the three domain system is

Sensitivity to Antibiotics

Explanation:

The three domains of life includes :

Archaea - oldest known domain, ancient forms of bacteria.

Bacteria - all other bacteria that are not included in the Archaea domain.

Eukarya - all the organisms that are eukaryotic or contain membrane-bound organelles and nuclei.

Types of evidences for the three domain system are:

1) differences in the sequences of nucleotides in the cell's robosomal RNAs (rRNA)

2) the cells's membrane lipid structure.

3) its sensitivity to antibiotics.

8 0
3 years ago
Normally, only female cats have the tortoiseshell phenotype because _____
Ksivusya [100]
<span>The answer to this question would be: a male inherits only one allele of the X-linked gene controlling hair color

Tortoiseshell phenotype appears when a cat has two different X-linked gene that controls hair color. This result as a combination of hair color. Male cat sex gene is XY. Normally male cat only has 1 X gene, thus only have 1 color and can't have tortoiseshell phenotype unless there is pathological multiplication in X gene.</span>
5 0
3 years ago
Is the muzzle velocity a scalar or vector quantity? Please explain your decision.
Marianna [84]
Muzzle velocity is a vector quantity which means it has direction and magnitude. Generally speaking, any velocity is classified as a vector quantity, a value with direction and magnitude. Velocity is the rate of change of the location of the object moving and is specified by its direction and speed. Since muzzle velocity is a velocity then it would surely be a vector quantity. Muzzle velocity is the speed of a bullet as it is leaving a muzzle of a gun in a the direction where the gun is pointed. It would have a value ranging from about 120 m/s to 370 m/s in muskets to 1200 m/s for modern rifles.
3 0
3 years ago
Only eukaryotic cells are capable of photosynthesis, because photosynthesis requires chloroplasts
andrezito [222]
Yes it's ture hope this helps tell me if i'm i right or wrong
3 0
3 years ago
Read 2 more answers
WHAT IS THE ROLES DOES THE CYTOSKELETON PLAY IN LIVING CELL
netineya [11]

Answer:

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Explanation:

The cytoskeleton is responsible for contraction, cell motility, movement of organelles and vesicles through the cytoplasm, cytokinesis, establishment of the intracellular organization of the cytoplasm, establishment of cell polarity, and many other functions that are essential for cellular homeostasis and survival.

6 0
2 years ago
Read 2 more answers
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