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iogann1982 [59]
3 years ago
15

1. If the ability to taste PTC were controlled by only two alleles: one dominant (T) and one recessive (t), would there be any w

ay to distinguish between the heterozygous (Tt) individuals and the homozygous dominant (TT) individuals without mating or performing DNA analysis? Explain your answer.
Biology
1 answer:
maw [93]3 years ago
8 0

Answer:No

Explanation: there would not be a way to distinguish between Tt and TT without mating or DNA analysis because T is dominant in Tt, therefore has the same physical characteristics as TT.

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1.) Which of the following is NOT an example of a
Tanya [424]

Answer:

A grasshopper is not a producer.

Explanation:

A grasshopper eats plants; therefore it is a consumer, also known as a heterotroph.

3 0
2 years ago
In some areas of Florida, manatees gather near spring waters during cold weather because the temperature of the springs is alway
Alexxx [7]
From the data, the manatee population obviously increased after the regulations went into affect  and the deaths due to watercraft reduced from 25 to 8 after the regulations were put into effect. The population increased by 165% from 1980=-2010 and the drop in deaths due to watercraft decreased by 
68%.So this is not a direct correlation but at least it shows that the watercraft deaths decreased significantly. Since the population increased at a greater rate then it may be that more females were spared so could mate and give birth to that many more manatees.
6 0
3 years ago
Look at the two types of fatty acids below, saturated and unsaturated. What is the difference between the two?
Free_Kalibri [48]

Answer:

Saturated fatty acids don't have double bond between two carbon atoms, while in unsaturated fatty acids have atleast one double bond between two carbon atoms.

I've a trick for you to remember this

Saturated → Single Bond (you can remember by The first later of both word i.e., "S")

Unsaturated → Double Bond

 

<u>-TheUnknownScientist</u><u> 72</u>

4 0
2 years ago
Most of the cells in the human body are produced by what
ser-zykov [4K]

Answer: Mitosis

Explanation:

Mitosis is one of the two types of cell division alongside meiosis. All the cells in the body undergo mitosis except sex cells such as male sperm and female ova that undergoes meiosis during sexual reproduction.

Thus, since mitosis occur in body cells, most of the cells in humans are body by it.

7 0
3 years ago
Use the model here to describe the transfer of matter and flow of energy from one trophic level to another within an ecosystem.
Andrews [41]

The food chain and food web are used to transfer energy. Plants, who are the primary energy providers in the ecosystem, use their chloroplasts to collect sunlight, which is then partially converted into chemical energy during photosynthesis.

a)

  • When herbivores eat (are the primary consumers of) plants as food, this energy is transferred to the primary consumers in the food chain.
  • This energy is stored in various organic products in plants. Then, the chemical energy contained in plant products is converted into kinetic energy, degrading the energy by turning it into heat. The secondary consumers come next.
  • Further deterioration will occur when these herbivores are consumed by secondary consumers.
  • Finally, energy will once more be destroyed when tertiary consumers eat the carnivores. As a result, the energy flow is only in one direction i.e., unidirectional.

b)

  • Additionally, the energy flow in a food chain adheres to the 10% law.
  • This law states that only 10% of energy is transferred from one trophic level to the next, with the remaining 90% being lost during the digestion process of the organism itself.

c)

  • There are typically fewer organisms at the top of an energy pyramid because It has the least quantity of energy, the top level of an energy pyramid has the fewest organisms.
  • Most ecosystems only have four trophic levels because there is eventually insufficient energy to maintain further trophic levels.

d)

  • For instance, let us assume that a plant at the producer level produces 1000 Kcal of energy.
  • When a primary producer eats this plant, it will only get 10% of the energy produced by the plant i.e., 1000/10 = 100 Kcal. the rest 90% will be used up by the plant itself for its metabolism.
  • Further when a secondary consumer eats the primary consumer, it will only get 10% of the energy produced by the plant i.e., 100/10 = 10 Kcal.
  • Lastly, as the tertiary consumer eats the secondary consumer, it will only get 10/10 = 1kcal.

learn more about ecosystem here: brainly.com/question/842527

#SPJ10

4 0
2 years ago
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