PLEASE HELP ASAP

Which of the following is an example of a nonsense mutation?

A substitution of a serine amino acid for a glycine amino acid
A substitution of glycine amino acid for a stop codon
An insertion or deletion of nucleotides that is not a multiple of three
A codon mutated from CCG to CCA, both coding for glycine

Answers

Answer 1

Answer:

An insertion or deletion of nucleotides that is not a multiple of three

Answer 2

Answer:A substitution of glycine amino acid for a stop codon is an example of a nonsense mutation.

Explanation:

A nonsense mutation is a type of point mutation that results in the formation of a premature stop codon in the mRNA sequence.


Related Questions

Soil is best described as _______.

Answers

Answer:

Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.

Explanation:

Hemophilia is a sex-linked recessive trait. If a man with hemophilia marries a woman who is a carrier for the trait, what are the predicted
phenotypes for their children?
• A1 carrier male: 1 affected male: 1 carrier female: 1 affected female
B 1 carrier male: 1 affected male: 1 carrier female: 1 normal female
C1 normal male: 1 affected male: 1 carrier female: 1 normal female
OD 1 normal male: 1 affected male: 1 carrier female: 1 affected female

Answers

Answer:

c i hope it works

Explanation:

No sons of a man with hemophilia will have hemophilia.

All daughters of a man with hemophilia will be carriers (called obligate carriers).

If a carrier has a son, the son has a 50% chance of having hemophilia.

If a carrier has a daughter, the daughter has a 50% chance of being a carrier.

what will happen if the number of organisms decreased?​

Answers

Answer:

it will affect the ecosystem in a bad way

Answer:

They would starve and die unless they could move to another habitat. All the other animals in the food web would die too, because their food supplies would have gone. The populations of the consumers would fall as the population of the producer fell.

Explanation:

What human factor has an impact on the flooding of the Yangtze River

Answers

Answer:

Deforestation directly increases erosion and siltation rates. There is an increased risk of flooding in Yangtze River basin in China and the major river basins in East Asia and the Amazonian basin .

Explanation:

Which of the following statements about how surface currents affect climate is false?

Because surface currents are always warm, they warm the land they travel closest to.

A periodic change in the location of warm and cool surface waters in the Pacific Ocean changes global weather patterns.

A current that travels along the West Coast keeps temperatures along the coastline cooler than temperatures inland all year long.

England experiences warmer temperatures than other countries at the same latitude because of the warming effect of a surface current.

Answers

If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half a world away—study El Niño.

Episodic shifts in winds and water currents across the equatorial Pacific can cause floods in the South American desert while stalling and drying up the monsoon in Indonesia and India. Atmospheric circulation patterns that promote hurricanes and typhoons in the Pacific can also knock them down over the Atlantic. Fish populations in one part of the ocean might crash, while others thrive and spread well beyond their usual territory.

Question 2
Four metal cubes, each at a different starting temperature, are placed in contact with each of
Cube #1
Cube #2
25°C
90°C
Cube #3
Cube #4
10°C
56°C
Which of the following describes the most likely flow of thermal energy in this situation?

Answers

It appears that some of the answer choices got cut off in the image. In any case, thermal energy would flow from a higher-temperature cube to a lower-temperature cube.

So the correct answer should be among the following formulations:

Cube #1 to Cube #3

Cube #2 to Cube #1

Cube #2 to Cube #4

Cube #4 to Cube #3.

Heat, defined as a sort of energy transfer as well as the distinctive energy of a degree of freedom. Therefore, Cube #1 to Cube #3 and Cube #2 to Cube #4 are correct.

What is thermal energy?

The word "thermal energy" is being used interchangeably in engineering and physics. It can relate to a variety of distinct physical notions.

Internal energy as well as enthalpy of a body of radiation and matter are examples of these; heat, defined as a sort of energy transfer (as does thermodynamic work); as well as the distinctive energy of a degree of freedom are examples of these. Cube #1 to Cube #3 and Cube #2 to Cube #4 describes the most likely flow of thermal energy in this situation.

Therefore, Cube #1 to Cube #3 and Cube #2 to Cube #4 are correct.

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What are the cells that make up the tissues of the nervous system?

Answers

Answer:

The cell that make up the tissues of the nervous system are Neurons and Glial cell
Answer: Neutrons and glial cells

can someone please help me

WILL MARK YOU BRAINLIEST!!!!

Answers

humans can disrupt habitats by removing flowering trees and shrubs

Answer:

The answer should be (b)

Explanation:

Makes the most sense

Which of the following does a prokaryotic cell lack?
A. nucleus
B. cell wall
C. ribosomes
D. DNA

Answers

I think the answer is D

Polygenic inheritance is determined by multiple _______ located at different loci on different chromosomes.

Answers

Answer:

Polygenic inheritance is determined by multiple Genes located at different loci on different chromosomes.

Polygenic inheritance happens when an individual posses quantitative traits that become a variation compared to the parent's traits.

This phenomenon happens due to the combination of two or more genes that resulted in the characteristics that considered as the combination of both parents' characteristic.

Explanation:

Answer:

Genes.

100% right answer you're looking for.

Have a great rest of your Day/Night.

Which statement about water on Earth is true?


There is more water underground than in the oceans.

More freshwater is in the atmosphere than on the surface.

More freshwater is located underground than on the surface.

There is more water in rivers and streams than in the oceans.

More freshwater is located underground than on the surface.

Answers

Answer:

More freshwater is located underground than on the surface.

The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.

What is hydrosphere?

The hydrosphere has Water in any location on Earth, which has been including the atmosphere, surface, and underground and hydrosphere can be regarded as one of the main sphere of the earth.

Hydrosphere can be regarded as the total amount of water that exist on the surface of the planet, these can include water in any location on Earth, as well as the atmosphere and surface, and the underground even in the air.

There is more water underground than in the oceans and more freshwater is in the atmosphere than on the surface as well as more freshwater is located underground than on the surface.

Therefore, The statement about water on Earth is true that more freshwater is located underground than on the surface. Thus, option C is correct.

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What type of evolution (convergent or divergent) does biochemical evidence provide evidence for?

Answers

Answer: Divergent evolution or divergent selection is the accumulation of differences between closely related populations within a species, leading to speciation.

Explanation: Greetings:)

Based on your understanding of evolution, how could you explain why some flowers look like the insects (or birds) that are their primary pollinators? Please help

Answers

Without pollinators, flowers would struggle to thrive since pollinators help with fertilization. It’s possible that the flowers had a selective pressure making them more likely to thrive when they were able to protect their pollinators from predators. (If the flower looks like them, the insects or birds are harder to see so they become harder to eat).

why is the coral reef more important than the ocean ?

Answers

Answer:

Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of spec

Hope it helps!!!

Consider a population of 100 annual wildflowers, some yellow, some red. It is like other real populations, its gene pool is changing. For each of the scenarios below state which of the Hardy-Weinberg conditions the population deviates from, and explain what agent of microevolution causes the gene pool to change

Answers

Answer:

From normal to hybrid or different state.

Explanation:

According to Hardy-Weinberg conditions, the population deviates from present state to hybrid because of the change of gene pool. Genetic drift, natural selection and mutation are considered as agent of microevolution that is responsible for the change in gene pool. If the change in gene pool occurs the form and structure of population of organisms has to be change in its appearance.

Which cell structure of the zooxanthellae performs a vital function that also helps the coral polyp grow?

Answers

Answer:

photosynthesis

Explanation:

Zooxanthellae are not only responsible for providing energy via photosynthesis, but also take up nutrients released by the corals metabolism such as nitrogen and carbon dioxide.

The ""Y"" shaped region where new nucleotides are being added during replication is known as a(n):

Answers

Answer:

The Y shaped region is a replication fork.

A F1 pea plant carries Yy alleles for seed color. Explain
what would happen to these alleles during gamete
formation

Answers

Answer:

During the formation of the gametes (i.e. meiosis) we have the separation of the sister chromatids and the independent segregation of the alleles: this means that one of the gametes will carry the "allele Y" and the other the 'y allele"

The Earth's core is about the size of. A. the United States B. Pluto. C. New York City. D. Mercury.

Answers

Answer:
A is the answer

Explanation: i just know

help what is the element that was like named after the elemenT HELP PLEASE

Answers

it’s either americium or californium but i think it would be americium

Answer:

Californium

Explanation:

It says US STATE and obviously california is a us state

1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.

Answers

Answer: A. Chemical and physical changes could produce precipitates.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             

Explanation:

A scientist identifies a sequence at random from the human genome. Which description of the sequence is the most likely?
A. The sequence is located on a sex chromosome.
B. The sequence is part of a gene for cell growth and development.
C. The sequence is part of a gene for immunity and defense.
D. The function of the sequence is unknown or unidentified.

Answers

Answer:

The answer is D. The function of the sequence is unknown or unidentified.

Explanation:

This answer is correct hope this helps! :)

Put in order.
Put the following steps of protein synthesis in order.
1
2.
3
editing
transcription
translation
Clear selection

Answers

Answer:

Translation of an mRNA molecule by the ribosome occurs in three stages: initiation, elongation, and termination. During initiation, the small ribosomal subunit binds to the start of the mRNA sequence. ... Lastly, termination occurs when the ribosome reaches a stop codon

Explanation:

The main protein synthesis steps are: Initiation, Elongation, Termination.

Hopefully this helps. :)

Cellular respiration is the process by which organisms:
A) Release energy from sugar for metabolic use
B) Create complex organic molecules from simple ones
C) Convert heat to chemical energy for metabolic work
D) Do more than one of the above

Answers

Convert heat to chemical energy

Asexual reproduction is the when only one parent contributes genetic information creating an identical offspring. true Or false?

Answers

Answer:

That is a true statement

2. Which of the following wrap around axons to form a myelin sheath?
A. Astrocytes
B. Ependymal cells
C. Satellite cells
D. Schwann cells

Answers

Answer:

D. Schwann cells

Explanation:

A scientist discovers that a strand of DNA is 20% Guanine and 30% Adenine. What percent of
Cytosine and Thymine will it contain?

Answers

Answer:

20% cytosine

30% thymine

Explanation:

Cytosine is paired with guanine so they must have the same percentage. Adenine is paired with thymine so they also must have the same percentage.

Long chains of amino acids are

sugars.

proteins.

lipids.

carbohydrates.

Answers

Answer:

Amino acids form proteins

Challenge: In the process of photosynthesis, plants use carbon dioxide (CO2), water (H2O), and light energy to produce a sugar (C6H12O6) and oxygen (O2). In the process of respiration, animals and plants release energy from sugar and oxygen and produce carbon dioxide and water. The chemical equations that describe these reactions look like this:

6CO2 + 6H2O + light C6H12O6 + 6O2 C6H12O6 + 6O2 6CO2 + 6H2O + energy

How do these equations explain why the total amount of O2 and CO2 remains the same?

Answers

Answer:

this is because the reactant substances gives equal products in the product side


In your explanation, include:
Identify organs of the urinary system.
Relate the organs with their
functions.
• The material this system uses to
maintain balance in the body.

Answers

Answer:

The kidney is an organ that is part of the urinary system.

Explanation:

The kidney's function is to filter out waste from your blood. It requires water and your blood to maintain balance in your body. The waste from your blood and the water will go out as urine.

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