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allochka39001 [22]
3 years ago
12

An bond forms when two atoms share one or more pairs of electrons?

Biology
1 answer:
ivanzaharov [21]3 years ago
7 0
Yeah... a covalent bond.... :)
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Adaptive radiation A. reduces the size of prosperous ecological communities. B. increases extinction rates. C. allows new specie
VMariaS [17]

Answer:

The correct answer is- C. allows new species to occupy different habitats.

Explanation:

Adaptive evolution is a type of evolution that allows the generation of new species from an ancestral species. This evolution occurs mainly due to the separation of habitat between two populations of species.

So when some members of ancestral species get new habitat which is different in ways like in food availability, food type, environment, etc then this isolated population adapts to the new environment by doing changes in their gene which results and the development of new species. So the correct answer is C.

4 0
3 years ago
If the concentration of hydrogen ions (H+) outside of the thylakoids were equal to the concentration of H+ inside the thylakoids
erik [133]

The chloroplasts would be unable to generate ATP

If the concentration of hydrogen ions (H+) outside of the thylakoids were equal to the concentration of H+ inside the thylakoids, the chloroplasts would be unable to generate ATP

Explanation:

As the high-energy electron from the reactive center of the photosystem conveyed from one protein to another in the protein transport chain of the chloroplast, the energy harnessed from the electron is used to pump H+ ions into the thylakoid lumen against concentration gradient.

The proton motive force created by having a high concentration of H+ ion in the thylakoid lumen than outside is to enable the creation of potential energy that is tapped by ATP synthase to create ATPs in a process called photophosphorylation. The ATPs made in this light stage is used in the anabolic process of the dark stage to make glucose through the reduction of CO2

Learn More:

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6 0
4 years ago
Which of the following occurred because of Flint's water crisis? Select the three correct answers.
STatiana [176]

1, 2, 3

Because of Flint's water crisis;

  1. The number of children with lead poisoning doubled.
  2. General Motors stopped using Flint's water due to corrosion of their machinery.
  3. Dozens of people contracted a form of pneumonia known as Legionnaires' disease.

Explanation:

In a bid to save money, Flint City Council resolved to switch its water supply to the city in 2014 and also switching from the Detroit Water and Sewerage Department (DWSD) as a provider to Karegnondi Water Authority (KWA). During the process of switching, water from Flint River was used as a temporary source of water for the residents. This water was however not treated and caused corrosion of supply pipes which led to the leakage of lead into the water supply. The water was also filled with other mineral contaminants that made the water hard and later high levels of chlorine were detected. This also caused General Motors to stop using the water because it corroded its machines.

The levels of lead caused lead poisoning especially to children while dozens of adults suffered Legionnaires' disease a form of atypical pneumonia caused by<em>  Legionella </em>bacteria in the water. The city officials did not warn residents in time even after com0lanit of foul smell and redness of the water supply.

Learn More:

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6 0
3 years ago
Give importances of locomotion in man
zheka24 [161]

Answer:

Locomotion is essential for  various internal and external bodily functions

Explanation:

Locomotion is the art through which our body exhibit various functions and also escapes various condition of environment.  

For instance –

a) Through movement of limbs, actions such as running, walking, jumping, crawling, swimming, etc are performed.

b) Movement of body parts and joints helps in taking different comfortable postures.

c) Even some body parts move even when it is not essentially vital for the function being performed such as movement of eyeball and external ear while swallowing food.  

d) Movement of nutrients and blood with in the circulation system and digestive system.

e) Movement of sense organs when exposed to extreme environmental conditions.

7 0
3 years ago
Every living cell, DNA and RNA serve as the molecules that store and transmit genetic
garri49 [273]

Answer:

Nucleic acids

Explanation:

Nucleic acids are one of the four biomolecules found in living systems ( the other three being carbohydrate, protein, lipids). Nucleic acids, like every other polymer molecule, are made up of monomeric units called NUCLEOTIDES.

The two nucleic acids are Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) responsible for the storage and transmission of genetic information throughout the cell.

5 0
3 years ago
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