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Helen [10]
2 years ago
9

What are the electrical charges of a proton, neutron and electron?

Biology
1 answer:
pogonyaev2 years ago
5 0

Answer:

Protons are positive while nuetrons are negetive.

Expland nation:

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A person with darker skin produces more what ?
Brilliant_brown [7]
A person with darker skin produces more melanin. Those are the dark brown pigments that come from your skin, hair, or eye color.

Hope that helps. -UF aka Nadia
7 0
3 years ago
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HELP PLEASE EXPLAIN<br><br><br> I will give brainliest whoever explains
Sergeu [11.5K]

Answer:

active transport

Explanation:

they are using energy to move across the membrane, using energy means its active   Hope this helps

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2 years ago
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What are some possible consequences of a mutation? Give a specific example for each consequence you list.
Tju [1.3M]
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations<span> occur in non-reproductive cells and won't be passed onto offspring. For example, the golden color on half of this Red Delicious apple was caused by a somatic mutation. Its seeds will not carry the mutation.
</span>

A single germ line mutation can have a range of effects:

<span><span>No change occurs in phenotype.
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.</span><span>Small change occurs in phenotype.
A single mutation caused this cat's ears to curl backwards slightly.</span><span>Big change occurs in phenotype.
Some really important phenotypic changes, like DDT resistance in insects are sometimes caused by single mutations. A single mutation can also have strong negative effects for the organism. Mutations that cause the death of an organism are called lethals — and it doesn't get more negative than that.</span></span>
4 0
3 years ago
50 points please help, will give brainliest
Llana [10]

Answer:

lactose, repressor, RNA polymerase (or mRNA might fit here), transcription, repressor, RNA polymerase

Explanation:

Hope this will help.

8 0
3 years ago
Explain why extended exercise is considered to be "healthy"
sp2606 [1]
Many physical disorders that occur in humans are attributed to the styles of living and general eating habits. Conditions such as diabetes, depression, dymentia and even some cancers are led by bad eating habits. A friend once asked me: Now that I do not want to become obesse but want to be muscular, what will I do since I have to gain mass but I don't want to overfeed? My answer was so simple. EXERCISE
Exercise can be in many forms. The most common modes of exercise are gym and athletics. If you don't do regular exercise, your body does not find a chance to get rid of the many wastes produced by different metabolic processes. Some of these products are toxic and they lead to bad effects in the body. The effect is getting lifestyle diseases.
Exercise plays a key role in boosting your memory. During and after exercise, blood becomes more oxygenated and the supply of oxygenated blood to the brain is increased. This ensures there is renewed strength in the brain parts e.g. hypothalamous and hence boosting thinking ability.
We can not overlook the fact that exercise is fun. When exercising, you are happy and happiness makes you stay healthy.




3 0
3 years ago
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