Why are there 64 combinations of genetic codons for only 20 different amino acids?

Answers

Answer 1

Answer:

Because they all don't code for specific amino acids

Explanation:

Some of them don't code for Amino acids, instead, they code for directions. There are also amino acids that can be coded with multiple codons. this is why there are more codons than amino acids

Answer 2
Because DNA consists of four different bases, and because there are three bases in a codon, and because 4 * 4 * 4 = 64, there are 64 possible patterns for a codon. Since there are only 20 possible amino acids, this means that there is some redundancy -- several different codons can encode for the same amino acid.

Related Questions

17. What processes in the water cycle above are involved
in the movement of phosphorous and nitrogen
contaminants into lakes and oceans?

Answers

Answer:

The Nitrogen Cycle, Carbon Cycle, and the Phosphorous Cycle

Explanation:

These cycles together work together in harmony with the water cycle, transferring nutrients into the atmosphere and breaking them down into the soil.

Do You guys have summer school ?

Answers

Answer:

yes, we have summer school

Answer:

no, just extended school for some reason

Explanation:

i love school sm

wbu

Two chromosomes that look alike and have the same sequence of genes in the same positions are a(n) ______ pair.

Answers

Answer:Gene

Explanation:

why does the biodiversity of an ecosystem affect its resilience

Answers

Biodiversity of an why does the biodiversity of an ecosystem affect its resilience because as there are various plants and animals in community, there is high probability that they have developed traits that help them to survive and adapt in their environment.

What is Biodiversity?

Biodiversity refer to population of different or various plants and animals living in an ecosystem each performing their roles in their niche.

Therefore, Biodiversity of an why does the biodiversity of an ecosystem affect its resilience because as there are various plants and animals in community, there is high probability that they have developed traits that help them to survive and adapt in their environment.

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Where the better adapted organisms survive to pass traits along to offspring.

Answers

I believe that would be natural selection

Scientists want to track the wind speeds and precipitation for a hurricane that will affect the entire East Coast of the United States. Which weather equipment would be best to measure the impact of the storm for this entire region?
A.
an anemometer
B.
a rain gauge
C.
Doppler Radar
D.
global positioning system (GPS)

Answers

Answer:

Doppler Radar

Explanation:

Doppler radars are considered one of the best tools used for the detection of rainfall in a particular area. These radars work by way of sending beams out in a circular pattern all round the radar. Once a beam hits a hailstone or a raindrop, part of the beam is reflected back towards the radar.

Answer: C.

Doppler Radar

Explanation: ed mentum or plato

The amino acids in the original partial sequence (N-term-...P-I-E...-C-term) have little to no impact on protein structure and function. However the amino acid sequence near the C-terminal end of the protein is required for normal function. Any amino acid changes in this region of the protein will result in a nonfunctional protein. Given this information, which reversion mutation in the gene would restore the normal function of the protein

Answers

U got this big bro!!

All cells contain a nucleus

true
false

Answers

[tex]\huge\sf{ANSWER}[/tex]

All cells contain a nucleus

False

Explanation is in the pic

Hope it helps

Answer:

True.

Explanation:

Why true?

For me i say its true because :

All cells have three common organelles namely Cell membrane,cytoplasm and nucleus.

the presence of elevated carbon dioxide levels in the blood is called:

Answers

The presence of elevated carbon dioxide levels in the blood is called Hypercarbia.

What is Hypercarbia?

Hypercarbia refers to a health condition associated with an excessive increase in CO2 in the bloodstream.

This condition (Hypercarbia) may lead to a disease known as respiratory acidosis.

In conclusion, the presence of elevated carbon dioxide levels in the blood is called Hypercarbia.

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Which two things should the scrum team do during the first sprint?

Answers

Two things that the scrum team have to do in the first sprint are

Deliver an increment of releasable software. Develop and deliver at least one piece of functionality.

What is a scrum team?

This is  a team that is usually made up of 5 people to 9 people. These people are a team of collaborators.

They team up to ensure that products are developed, completed and also delivered.

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Sexual reproduction increases the genetic variation of a species because:

Answers

Answer:

Sexual reproduction increases the genetic variation of a species because it involves combining of genetic materials of two parents/individuals to form  an offspring.

Explanation:

Sexual reproduction is a type of reproduction that involves formation of an offspring by combination of male and female gametes. Each gamete carries a haploid set of chromosomes. When gametes from both the parents combine, a zygote is formed which has a diploid set of chromosomes. So, sexual reproduction involves combination of genetic materials of two different individuals, hence, it leads to genetic variation.

When coal has reached it hardest, darkest form, it is called

Answers

Answer: hard coal

Explanation:

Let me know when you need anything else.

Hard core is the right answer

Which event took place during the Copernican revolution, when most people started to believe in a heliocentric model of the solar system?

Aristotle developed his model of the solar system.
Copernicus rediscovered Aristarchus’s heliocentric model.
Kepler's laws of planetary motion.
Newton’s theories of gravity were dismissed and considered invalid.

Answers

Copernicus rediscovered Aristarchus's heliocentric model. Thus, option "B" is correct.

How, explain your answer?

The event which took place during the Copernican revolution, when most people started to believe in the heliocentric model of the solar system was that Copernicus rediscovered Aristarchus’s heliocentric model.

Thus, option "B" is correct.

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The Atlantic puffin feeds on several species of Atlantic fish. A population of puffins living on Matinucus Rock was found to feed on the types of fish shown in the graph below. The beaks of this group of puffin are shaped to grasp Species A particularly well. Predict what would happen to the puffins’ beaks if another predator enters the area that is better at preying on Species A. Explain your reasoning based on what you know regarding genetic adaptations.

Answers

Answer:

The Puffins would have to find more food sources and the beaks would change accordingly to the food source they are going after.

1. List four sensations detected by the tactile receptors in the skin in the spaces below:

Answers

The four sensations detected by the tactile receptors in the skin are touch, pressure and vibration and tickle.

What are the 4 sensations that the receptors found in the skin have?

They are nerve endings formed by a branched axon. They are distributed in almost all parts of the body and capture mechanical (pressure), thermal (cold and heat) and especially painful sensations.

This is because Tactile sensations are the ones that detect touch, pressure, and vibration. About six different types of tactile receptors are known.

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What results would be expected with no spontaneous generation of life

Answers

The results that would be expected with no spontaneous generation of life is no growth of microorganisms on the food particles.

What is spontaneous generation of life?

The spontaneous generation of life was a idea which was used to explain the growth of microorganisms on food long ago die to the inability to see these organisms then.

Louis Pasteur by means of experiments proved this idea to be wrong. Life can only come from pre-existing life.

Therefore, the results that would be expected with no spontaneous generation of life is no growth of microorganisms on the food particles.

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What is the theory for the evolution of the vertebrate jaw?

Answers

The theory for the evolution of the vertebrate jaw was that the jaw came through the simple transformation of a ancestral rostral gill arch.

What is a vertebrate?

A vertebrate simply means an organism that has a spine or backbone. Examples include mammals, reptiles, etc.

In this case, the theory for the evolution of the vertebrate jaw was that the jaw came through the simple transformation of a ancestral rostral gill arch.

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19.8)What type of cell is illustrated here?

What part of the cell is #1?
What part of the cell is #2?
What part of the cell is #3?
What part of the cell is #4?
What part of the cell is #5?

Answers

number 1. cell membrane
number 2. cytoplasm
number 3. ribosome
number 4. cell wall
number 5. nucleus

A molecule that can be used as a molecular clock has a neutral mutation rate of one mutation per 12 million years. How many years ago did two species share a common ancestor if the molecules found in these two species differ by a total of six mutations?

a 1.5 million years
b 72 million years
c 12 million years
d 36 million years

Answers

The years in which two species share a common ancestor if the molecules found in these two species differ by a total of six mutations is 72 million years.

What is mutation?

Mutation is the changing of gene or characters of any species over time, there are many reasons for mutation, like natural selection.

Every 12 million years, the molecular clock will mutate.

If the molecular clock experiences six mutations, 12 million years multiplied by 6 have passed.

12 x 6 = 72

Thus, the years are 72 million years. Option is b.

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Answer:

D) 36 million

Explanation:

The person above forgot the last step: Divide by the number of species

How do the 2 sides of the brain communicate?

Answers

The two (2) sides of the brain are able to communicate through the corpus callosum.

What is a brain?

A brain can be defined as an organ of soft-nerve tissue that is found within the skull of vertebrates, and it's mainly responsible for the coordination of nervous activities, sensation and intellect in living organisms.

Based on medical information and records, the two (2) sides of the brain (symmetrical left and right hemispheres) are able to communicate through the corpus callosum.

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The ________ are the primary organs for filtration of the blood.

Answers

The primary organ used in the filtration of blood in the body is the kidney.

The kidney is a bean shaped organ that is about the size of a human fist. It is located at the bottom of the rib cage. There are two kidneys in the body, each kidney is located at each side of the spine in the body.

The kidney filters unwanted substances from the blood and pass them out of the body as urine. Blood is filtered in a part of the body known as glomerulus.

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Colorado has a vast population of lodgepole pines. A population of lodgepole pines has been killed in a section of the forest. What is a possible limiting factor of that population?
devastation by the pine bark beetle
Colorado’s long history of acidic soils
genetic variability
shallow root system

Answers

The possible limiting factor is the devastation by the pine bark beetle.

What is a limiting factor?

A limiting factor is any factor that affects the size of a population of organisms which inhibits their growth or even existence.

The possible limiting factor of population of lodgepole pines is the devastation by the pine bark beetle.

This is so because only a section of the population was affected and not the whole.

If it was the Colorado’s long history of acidic soils, genetic variability and shallow root system, the whole population of lodgepole pines would have been affected.

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Answer:

a. devastation by the pine bark beetle

Explanation:

Brad is swimming in the ocean on a hot sunny day. he finds the water to be much colder than the sand on the beach, even though the sun is warming them both. identify the reasons for brad’s observation. the water is colder than the sand because it requires more to change temperature. this is because the water has a higher than the sand.

Answers

Answer:

The sea has a higher specific heat capacity than the sand meaning it takes more energy to heat up. The sand has a lower SHC so it requires less energy to heat up therefore heats faster and Brad will observe the sand to be hotter than the sea

The sea has a higher specific heat capacity than the sand meaning it takes more energy to heat up.

What do you mean by specific heat capacity?

The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).

In thermodynamics, the specific heat capacity of a substance is the heat capacity of a sample of the substance divided by the mass of the sample, also sometimes referred to as massic heat capacity.

For liquid at room temperature and pressure, the value of specific heat capacity (Cp) is approximately 4.2 J/g°C. This implies that it takes 4.2 joules of energy to raise 1 gram of water by 1 degree Celsius.

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What is a spring tide? When and why does it occur?

Answers

Answer:

Spring tides happen just after every full and new moon, when the sun, moon and earth are in line. That's when lunar and solar tides line up and reinforce each other, making a bigger total tide.

A spring tide occurs when there's a new or full moon. Because it follows the moon's lunar cycle, a spring tide happens twice per month. With the moon and sun roughly aligned the tides of Earth are on average slightly larger than usual.

source: https://ntslf.org › about-tides › tides

stegosaurus and ankylosaurus are united in a group called

Answers

Stegosaurus and ankylosaurus are united in a group called; Thyreophora

What is the name of the species group?

Stegosaurus and ankylosaurus are united in a group called Thyreophora.  They belong to that group because under the classification of dinosaurs, the Thyreophora consist mainly of Stegosauria which are commonly known as the plated dinosaurs and Ankylosauria which are commonly called the armored dinosaurs.

It should be noted that this group could also include their more basal relatives like Scutellosaurus and Scelidosaurus.

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One thing all mechanisms of evolution have in common is that ____________________.


They all lead to beneficial change in the population


They all lead to positive change in the population


They all lead to change in the population


They all lead to detrimental change in the population

Answers

Answer:

they lead to positive change in the population

Which structures are involved in creating insulin inside pancreatic cells and to liver cells

Answers

Answer:

i have no idea ....................

Answer:

I think the answer is pancreatic islets

Two insects groups vary genetically by two genes. When put together, they were able to reproduce a produce offspring that could also breed. Which best describes this insect population?

Answers

Answer:

The insects belong to the same species

Answer:

The insects are the same species perhaps.

Explanation:

Recall what you know about protein synthesis to answer the following questions.
RNA transfers the DNA code from the
DONE
of the cell to the
PLEASE HELP!

Answers

Answer:

RNA transfers the genetic

code from the nucleus of the cell to the cytoplasm of the cell.

Hope it helps!

Energy is needed to carry out all cellular processes. True Flase

Answers

Answer: true

Explanation: Inside every cell of all living things, energy is needed to carry out life processes. Energy is required to break down and build up molecules and to transport many molecules across plasma membranes.

hope this helps

Answer:

False

Explanation:

Not all cellular processes need energy in order to be carried out example .diffusion of particles across a cell membrane do not require energy .since diffusion is a passive form of transport(do not require energy).

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