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alex41 [277]
3 years ago
8

Why are covalent bonds form when an electron is completely lost or gained from an atom

Biology
1 answer:
Andrei [34K]3 years ago
7 0

Answer:

Covalent bonds are the types of Bond which is formed by sharing of an electron between two atoms of same element or two different elements. The bond which is formed by the completely lost or gained of an atom is known as ionic bond.

Explanation:

The most common example of covalent bond is formed from carbon atom. The valence of carbon atom is 4. Therefore, it is very hard to gain or lose an electron from the carbon atom. Therefore, the carbon tends to share the electron instead of completely losing or gaining the electron.

Ionic bond is very common and it can be formed by many elements from the periodic table. Ionic bond is more stable and stronger when compared to the covalent bond in nature.  

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What are the characteristics of continental tropical air
Dafna1 [17]

Answer:

hot and dry

Explanation:

CONTINENTAL TROPICAL AIR MASS. The source region for cT air is the desert Southwest, the high plains and Mexico with relation to the United States. The air has low dewpoints and warm to hot afternoon temperatures but with mild nighttime temperature. Skies are generally clear in cT air.

4 0
3 years ago
Receptors are needed for which type(s) of cell signaling?
Mice21 [21]

Receptors are needed for both Short and Long range  cell signaling.

<h3>What are receptors?</h3>

In the cell, there are some special proteins who play the role of receiving external signals. These are what we call receptors.

These receptors could function for both long and short range cell signaling. Hence, Receptors are needed for both Short and Long range  cell signaling.

Learn more about cell signaling:brainly.com/question/14412293

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7 0
1 year ago
Based on the information given in the chart, which kingdom most likely has the highest percentage of photosynthesizing organisms
Naya [18.7K]

Answer:

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8 0
3 years ago
A gene includes the sequence AGAACT. When it is transcribed, what will the RNA sequence be? A. UCUUGA B. UGCCGU C. UCUUTC D. TCT
Margaret [11]

Answer:

A

Explanation:

The correct option would be A.

<em>According to the base-pairing rule, Adenine (A) always pairs with Thymine (T) (or Uracil in the case of RNA) while Guanine (G) always pairs with Cytosine (C).</em>

Hence;

             A-U

            G-C

            A-U

            A-U

            C-G

            T-A

Therefore, AGAACT would be transcribed to UCUUGA.

8 0
3 years ago
how the niche of trees in a temperate rainforest and the Predict niche of squirrels in the same rainforest interact.
maria [59]
Well the niche of a squirrel mostly depends on the niche of a temperate rainforest.The trees need water and sunlight to make a nut.Then the squirrel finds the nut and stores it for the winter
8 0
3 years ago
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