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Serga [27]
3 years ago
12

1.) what is a polar molecule? 2.) why is water a polar molecule? Explain

Biology
1 answer:
Y_Kistochka [10]3 years ago
3 0
<span>The water molecule, as a whole, has 10 protons and 10 electrons, so it is neutral.In a water molecule, the oxygen atom and hydrogen atoms share electrons in covalent bonds, but the sharing is not equal.In the covalent bond between oxygen and hydrogen, the oxygen atom attracts electrons a bit more strongly than the hydrogen atoms.The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.<span>Water molecules attract one another based on the attraction between the positive end of one water molecule and the negative end of another.</span></span>
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Explain the limiting factors that control population growth
serg [7]

Competition - when space is full pack organisms compete for resources and the sooner the resources are gone. Predation - organisms feed on and kill animals lowering their population growth and the prey population growth, same as herbivore and human prey. Disease - again feeds on hosts. Stress from overcrowding - females could kill offspring. Hurricanes (density-independent limiting factors).

7 0
3 years ago
What is the average lifespan of algae?
Lostsunrise [7]
There is no set lifespan.It can live as long as the environment can support its life. However the average lifespan differs for each particular species, with an average life expectancy from a few days to a year or two.

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6 0
3 years ago
You should wash the fruits and vegetables thoroughly before eating. Why?​
vodomira [7]

Answer:

You don't want to consume little buggies and germs, would ya?

Explanation:

8 0
3 years ago
Read 2 more answers
PLS HELP!!! I'LL GIVE BRAINLY!!!
USPshnik [31]

Answer:

See the answer below

Explanation:

First, let us look at the complete equation of respiration:

C_6H_1_2O_6 + 6O_2 -->6CO_2 + 6H_2O

The respective number of each atom in the reactants and the products can be filled in the table thus:

Types of atom   Number of atom in reactants   Number of atom in products

Carbon                                6                                                    6

Hydrogen                            12                                                   12

Oxygen                               18                                                    18

<em>The total number of each atom in the reactants is equal to the total number in the products. Hence, the calculation confirms the law of conservation of matter that says that matters can neither be created nor destroyed, but can be converted from one form to another in a course of a reaction. </em>

<em />

8 0
3 years ago
A response that is uniquely directed against pathogenic bordetella pertussis would involve what component?
xxMikexx [17]

Answer:

Antibodies

Explanation:

Bordetella pertussis is an obligate human pathogen and is the etiological agent of whooping cough. It is known to be an opportunistic organism.

The pathogenic mechanism of Bordetella pertussis is also known as virulence factor. These virulence factors are known to include adhesins such as filamentous haemagglutinin, fimbriae and pertactin, which allow B. pertussis to bind to ciliated epithelial cells in the upper respiratory tract.

It is known to be the agent of whooping cough, a highly contagious respiratory disease, dramatic for infants and also for elderly and pregnant women.

In this case, the antibodies will be the response that is uniquely directed against the organism. It is said earlier that this organism is an opportunistic one, this means that it causes infection when the immunity is down. So, when the immunity is empowered , it will definitely fight against the organism

3 0
2 years ago
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