Which of these is a trna?.

The nonsense mutation is a point mutation that originates a new stop codon within the sequence. The result of this single base-pair substitution is A nonsense mutation resulting in early termination of translation. OPTION E

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When a change occurs in a single base pair, it is known as a point mutation.

Points mutations might be either silent, missense, or nonsense.

In the exposed example,

                                    30     31     32     33     34     35     36     37     38     39

Original sequence       G      C       U      A       U     U       A       A       C       A

Mutated sequence     G      C       U      A       U       A       A      A       C       A

The mutation occurs in base number 35. An adenine replaces the original uracil.

Since only a single base changes, this is a point mutation.

This point mutation originates a new stop codon, which places before the stop codon of the original sequence (UAG) .  

We are referring, then, to a NONSENSE MUTATION.

The options are:

A. a silent mutation (no change in the amino acid sequence of the protein)

    INCORRECT. It is not a silent mutation  

B. a frameshift mutation causing extensive change in the amino acid sequence of the protein

     INCORRECT. It does not extensive change in the amino acid sequence  

C. a missense mutation causing a single amino acid change in the protein

   INCORRECT. It is not a missense mutation.  

D. a frameshift mutation causing a single amino acid change in the protein

   INCORRECT. It is not a frameshift mutation.  

E. a nonsense mutation resulting in early termination of translation

    CORRECT. The change of a single base produces a new stop codon placed before the original one.

The result of this single base-pair substitution is A nonsense mutation resulting in early termination of translation. OPTION E

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Answer:

b

Explanation:

Answer:

Primase is an enzyme that synthesizes short RNA sequences called primers. These primers serve as a starting point for DNA synthesis. Since primase produces RNA molecules, the enzyme is a type of RNA polymerase.

Explanation:

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Answer:

those are graded as correct

Explanation: question post protected.

Answer: B

Explanation:

Answer:

Prokaryotes. Bacteria are amongst the simplest of organisms - they are made of single cells. Their cell structure is simpler than the cells of eukaryotes and cells are smaller, most are 0.2 μm - 2.0 μm. These cells do not contain membrane bound organelles such as a nucleus and mitochondria.

Answer:

SPLEEN is correct

Explanation:

Answer:

I think that there are genes that are inherited from both parents offspring personalities? sorry if this did not help!

Answer:

Hi, i hope this explanation helps.

Explanation:

You are going to write a capital F above the top left square. And then a lowercase F on the square next to it (top right)

On the left hand side, write a capital F

A lowecase F below it. (on the sides of the squares)

Now you are going to combine letters, looking at the squares you will see which letters align. The top left square should read FF, top right fF... and so on.

good luck!

Answer:

The "fight or flight" response

Explanation:

Polymerase chain reaction, or PCR, is a technique to make many copies of a specific DNA region in vitro (in a test tube rather than an organism). PCR relies on a thermostable DNA polymerase, Taq polymerase, and requires DNA primers designed specifically for the DNA region of interest.

Answer: RNA polymerase

Transcription is carried out by an enzyme called RNA polymerase and a number of accessory proteins called transcription factors. Transcription factors can bind to specific DNA sequences called enhancer and promoter sequences in order to recruit RNA polymerase to an appropriate transcription site.

Answer:

As wind or an ocean current moves, the Earth spins underneath it. ... The Coriolis effect bends the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form circular patterns.

Explanation:

Answer:

Explanation:

HPV DNA replication during its life cycle occurs in three separate phases (reviewed in [1, 2]). After viral entry into the cell nucleus and the activation of viral gene expression, the viral genome copy number increases to several hundred copies per cell during the initial phase of genome amplification.

Answer:

A hole in the center of the stage allows light to pass from the light source beneath the stage through the slide specimen, which should be centered over the hole in the stage. Keep the stage dry at all times

Explanation:

the explanation i the answer lol

This is an example of ecosystem service.

Ecosystem services are the many and varied benefits to humans provided by the natural environment and from healthy ecosystems. Such ecosystems include, for example, agroecosystems, forest ecosystem, grassland ecosystems, and aquatic ecosystems.

Moreover, ecosystem services make human life possible by, for example, providing nutritious food and clean water, regulating disease and climate.

Therefore, it provide many of the basic services that make life possible for people. Plants clean air and filter water, bacteria decompose wastes, bees pollinate flowers, and tree roots hold soil in place to prevent erosion.

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Answer:

Ulna, trochlea

Explanation:

Answer:

you need to explain better the question

my guess is maybe d number

Answer:

Food science is an applied science because food scientists apply basic laws of chemistry, physics, biology, and nutrition to the production, processing, and packaging of the food supply.

Answer:

Adenosine triphosphate is an organic compound and hydrotrope that provides energy to drive many processes in living cells, such as muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis. It is also called ATP.

Explanation:

Answer: denosine triphosphate (ATP) is the source of energy for use and storage at the cellular level. The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.

Explanation:

Given what we know about the mechanisms that create and cause earthquakes of varying magnitudes, we can confirm that the most likely location for an Earthquake of a high magnitude is an "Oceanic-Oceanic Transform Boundary".

As stated, a transform boundary, also often referred to as a strike-slip boundary or just simply transform fault, is a fault where the plates that comprise it move mostly in a horizontal manner along the plates boundary. They are often linked to subduction zones, ridges, or other transform faults, where they end in an abrupt fashion.

History has shown that the greatest earthquakes recorded have formed along one of these transform boundaries. The most powerful earthquake zone on earth, in a historic sense, is the circum-Pacific seismic belt or "Ring of fire". This transform boundary alone is responsible for roughly 81% of the world's largest earthquakes.

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Answer:

Why or why not? Lamarck was a good scientist in that he proposed scientific explanations based on keen observations and the information he had available at his time. Without an understanding of genetics and heredity, Lamarck proposed a theory to explain the diversity of life that was logical and coherent.

Answer:

aorta

Explanation:

the ventral side of the heart includes, the superior vena cava, inferior vena cava, aorta, right ventricle, left ventricle etc

Answer:

Explanation:

It is commonly thought that the temporal lobes handle auditory information and encode memories. The temporal lobes are also believed to generate affect, language,  and emotion and certain types of perception in the visual domain.

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Answer:

carbohydrates

Explanation:

Sugar units are the building blocks of all carbs. Simple sugars (monosaccharides and disaccharides) and complex carbohydrates (polysaccharides, which are polymers of simple sugars) are the two forms of carbohydrates.

Carbohydrates are one of biology's most researched macromolecules. They produce glucose, or "blood sugar," as their fundamental energy unit, whether simple or complicated. Furthermore, both simple and complex carbohydrates are made up of chains of glucose molecules at their most fundamental level.

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Carbohydrates are made of simple and complex sugars.

Carbohydrates, also known as carbs, are vital at every stage of life. They're the body's primary source of energy and the brain's preferred energy source.

Moreover, carbs are broken down by the body into glucose – a type of sugar. Glucose is used as fuel by your body's cells, tissues, and organs.

Carbohydrates are found in a wide array of both healthy and unhealthy foods—bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie. They also come in a variety of forms. The most common and abundant forms are sugars, fibers, and starches.

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Answer:

The answer is pyruvate. Hope this helps:)

Answer:

Convergent evolution describes evolution toward similar traits in unrelated species.

Explanation:

The biome in which this species lives is SAVANNA. This biome (savanna) is a transitional mixed woodland-grassland biome.

Savannas, also known as tropical grasslands, represent a type of grassland biome located in warm regions.

There are two main types of grasslands: savanna grasslands (low latitudes) and temperate grasslands (mid altitudes).

A grassland is a type of biome that shows these characteristics:

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Answer:

greenhouse gasses

Explanation:

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