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3 years ago

Which of the following best describes gene regulation?

Biology

2 answers:

geniusboy [140]3 years ago

7 0

Answer: C.Specific proteins are made only at certain times in certain cells.

Explanation:

Gene regulation is the process of regulating the expression of genes.

This process is vital to the cells, as it controls the number of gene products being produced at a given time in a given cell.

Since the gene product is in two forms- the RNA and proteins, this means that not all the proteins are being made in all the cells but the expression of genes is cell specific.

Thus, gene regulation is best described by the statment given in option C.

netineya [11]3 years ago

6 0

Specific proteins are made only at certain times in certain cells.

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GenaCL600 [577]

Explanation:

System is a combination of several organs that perform together for a common function.

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3 years ago

What is the complements the section of dna modeled above 3` AATCGC 5´

ANTONII [103]

Its the reverse
5'CGCTAA 3'
3'AATCGC 5'

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3 years ago

7. The cytoplasm of a cell contains

ahrayia [7]

Answer:

All of the organelles of the cell are in the cytoplasm.

Explanation:

All of the organelles of the cell are suspended in the cytoplasm in a thick gel like substance. In leaves, the cytoplasm is green.

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3 years ago

Explain how the use of Restriction Fragment Length Polymorphisms to diagnosis genetic disease differs from its use in forensic i

saw5 [17]

RFLP or Restriction Fragment Length Polymorphism exploits the variation of homologous DNA (Deoxyribonucleic Acid) sequences. This technique is frequently used in different types of analysis such as genotyping, paternity tests, forensics, hereditary disease diagnostics, and many others. In diagnosing diseases, PCR is use to find the DNA of pathogens in small amounts to diagnose hundreds of genetic diseases. While in forensic investigations, PCR can give a probably ID from 20 cells.

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3 years ago

HAPPY NEW YEARS !!! CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST !!!

sp2606 [1]

Answer:

According to the image shown, the country that most closely resembles the population pyramid by age is the United States (option A).

Explanation:

The population pyramid consists of a bar chart that groups the population by age and sex. Each sex is separated into two columns, while from the base to the top the ages are grouped from lowest to highest.

The pyramid by age shown in the image corresponds to a developed country, such as the United States, since the distribution of the population of infants and young people is proportional, being more acute in the advanced ages, acquiring the shape of a bottle.

The "bottle" shape of the population pyramid indicates a controlled birth rate, as well as good availability of basic and sanitary resources, characteristic of a developed country like the United States.

The other options are not correct because:

C and D. In developing countries such as Nigeria and Ethiopia, the birth rate is high - forming a broad base - and the resources available are limited, so there is a progressive decrease as the age groups are distributed, giving a true pyramid shape.

B. Italy, a European country, has a tendency to rhomboidal population pyramids. This is due to a predominance of adult, young and mature, population, low birth rate, good basic and sanitary resources.

6 0

3 years ago