BIOLOGY HIGH SCHOOL

The mRNA codon for leucine is 5-UUG-3, and the tRNA anticodon is A) 5-UUG-3. B) 5-GUU-3. C) 5-TTC-3. D) 5-AAC-3. E) 5-CAA-3.

Answers

Answer 1
Answer:

Answer:

The correct answer is E) 5-CAA-3.

Explanation:

In translation mRNA sequence is read in 3' to 5' direction by ribosome and tRNA contains anticodon sequence i.e in 5' to 3' direction binds to its complementary codons on mRNA and adds specific amino acid in the chain.

In translation and transcription, uracil comes complementary to adenine nucleotide therefore when mRNA codon is 5' UUG 3' then the anticodon must be in opposite direction and complementary so 3' AAC 5' or 5' CAA 3' would be tRNA anticodon. So the correct answer is E.


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HIGH SCHOOL

What are the 2 properties of enzymes that allow them to act as biological catalysts?

Answers

There are two properties of enzymes that allow them to act as biological catalysts, and those are temperature and pH levels. Certain temperature is necessary for enzymes to work the way they were intented to, and an appropriate ph level has to be maintained in order for enzymes to function properly.
HIGH SCHOOL

Which best illustrates the result of the process of meiosis? A pea plant has the same flower color as its parent plants. A daughter looks different from both her mother and her father. A cheetah cub has very similar fur to its mother. A Labrador puppy looks exactly like its father. Mark this and return Save and Exit

Answers

A daughter looking different from both her mother and father illustrates the process of meiosis because the cells produced are non-identical to the original cells. 

Answer;

A daughter looks different from both her mother and her father.

Explanation;

-Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. It is required to produce egg and sperm cells for sexual reproduction. During reproduction, when the sperm and egg unite to form a single cell, the number of chromosomes is restored in the offspring.

-This process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell. Meiosis has both similarities to and differences from mitosis, which is a cell division process in which a parent cell produces two identical daughter cells.

HIGH SCHOOL

It took 1649 years for the world population to double, going from .25 billion people to .50 billion people. How long did it take for the population too double once again

Answers

I found the missing part of this question.

Statisics on Human Population

Year A.D.            Number of People (in billions)
1650                         .50
1750                         .70
1850                         1.0
1925                         2.0
1956                         2.5
1966                         3.3
1970                         3.6
1974                         3.9
1976                         4.0
1980                         4.4
1991                         5.5
2000                         6.0
2004                         6.4

The answer is it took 200 years more to double the population from 0.50 billion to 1.0 billion people. The year was 1850.

It was in 1925 when the population double again from 1.0 billion to 2.0 billion.

MIDDLE SCHOOL

In the 1700s, Swedish biologist Carl Linnaeus developed a system of classifying organisms in which every organism was given a scientific name that consisted of its species name and genus name. How did Linnaeus's work help future scientists?

Answers

Answer:

It allowed scientists to clearly communicate with each other about different organisms.

Explanation:

Carl Linnaeus was a Swedish Botanist who is known for devising the system of classification for organisms and bringing forward the system of binomial nomenclature. Binomial nomenclature can be described as a method by which a scientific name is assigned to every organism based on their genus and species name.

This method is beneficial for scientists so that they can communicate with each other about different organisms. As scientists belonging to different regions had different common names for an organism, binomial nomenclature made possible for scientists to communicate bu using specific scientific names.  

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