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Serhud [2]
3 years ago
15

On a roller coaster, when does the car have potential kinetic energy and when is energy transferred

Biology
1 answer:
liberstina [14]3 years ago
5 0
The roller coaster has potential energy at the top of a slope or hump on the track now for kinetic energy is going down the track which gains it but when u at the end potential regains energy
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Skin color is controlled by three pairs of alleles. Someone with very light skin has 6 recessive alleles while someone with very
murzikaleks [220]

Answer:

Has three dominant alleles

Explanation:

Skin colour is a polygenetic inheritance and it is controlled by three genes pairs of alleles. The human skin is determined by the amount of melanin it contains. A combination of melanin producing alleles  determines the skin color.

In the above question, the person has a skin color that is midway meaning only half of the alleles produced melanin. The total number of alleles is 6 and half of it is 3. So, only 3 alleles were dominant and the remaining three were recessive.

8 0
3 years ago
bacterial cells that make copies of themselves through binary fission are not reproducing true or false
ahrayia [7]
False, when more cells are made it is reproducing.

3 0
4 years ago
In a homologous pair of chromosomes, one of the chromosomes came from mom and the other one came from dad. True or False
Y_Kistochka [10]

Answer:

True

if it was sexual reproduction then the offspring will get chromosomes from both parents.

7 0
3 years ago
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A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat starts to run in the opposite direction and then quic
dusya [7]

Answer:

I think A or B could be a possibility to your answer

3 0
3 years ago
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A ________ is an animal that can transfer infectious pathogens from one host to another.
kifflom [539]

Answer:

Vector

Explanation:

<u>Diseases can be transmitted by the mechanical or the biological vector. Vector is an animal (typically can be called as an arthropod) which carries disease from one host to another. </u>

Mechanical transmission is the one in which an animal which carries the pathogen from on host body to the another without being infected by it. It is facilitated by the mechanical vector.

Biological transmission is th eone which occurs when pathogen reproduces within the biological vector which transmits pathogen from one host body to the another.

5 0
4 years ago
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