What type of mutation changes a single DNA nucleotide base, and causes a change in a specific codon?

Answers

Answer 1

Answer:

A base substitution mutation is the answer.

Explanation:

A base substitution mutation changes only a single nucleotide within a gene sequence, so only one codon is affected.


Related Questions

the group of cells that use chemicals to recycle elements in the blood are called

a.muscles
b.glands
c.hormones
d.oxygen

Answers

Explanation:

I'm guessing the answer is oxygen.

The oxygen cells are a type of cell that uses chemicals to recycle elements in the blood.

What is oxygen cells?Red blood cells, also known as erythrocytes, transport oxygen to your body's tissues. Your tissues emit carbon dioxide as oxygen is converted into energy. Red blood cells also transport carbon dioxide to your lungs for exhalation. Cells require oxygen to efficiently use glucose in cellular respiration. This is how most organisms obtain energy. When oxygen binds to parts of glucose molecules, water, carbon dioxide, and energy are released. After all, the organism uses the energy to create adenosine triphosphate (ATP). A type of blood cell found in the blood that is produced in the bone marrow.

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Which adaptation is common to animals that live in temperate grasslands?
structures to dig burrows
keen eyesight to help them see in the evening
a thick insulating layer of fat
large ears to regulate body temperature

Answers

Answer:

This is 100% right.

Explanation:

Temperate grasslands are characterized by vast expanses of open grasslands with few trees and shrubs, so structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is preset in the first option.

What are temperate grasslands?

Temperate grasslands are biomes characterized by vast expanses of open grasslands with few trees or shrubs. These ecosystems experience a wide range of temperature fluctuations between seasons, with hot summers and cold winters. As a result, animals that live in temperate grasslands have evolved adaptations that enable them to survive in this challenging environment. One of the most common adaptations of grassland animals is the ability to dig burrows. Burrows provide shelter and protection from predators, as well as a stable microclimate for animals to live in.

Hence, structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is present in the first option.

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Most Americans/Canada say they hope to die __________.

Answers

i think they hope to die at home

Detail the locations and fate of a glucose molecule in a French fry from the time you swallow it until it gets turned into CO2 and water in the mitochondria of a muscle cell in the lower leg.
Then discuss the locations and fate of the CO2 and water molecules as they leave the mitochondria until they eventually leave the body.

Answers

Answer: the glucose is a weird circle thing and a french fry is a food.

Explanation: not really understanding the question here...

Need answers for this
Thanks

Answers

Answer:

IT is going to be the color purple since there is no sunlight hitting tube A which means no carbon dioxide

Explanation:

Which of the following show similarities between organelles and organs of the body?

Answers

Answer:

Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.

Explanation:

What is the difference between a producer and a consumer? (Select all that apply.)

Consumers convert sunlight energy into fuel and producers cannot.

Producers convert sunlight energy into fuel and consumers cannot.

Consumers can make their own food energy and producers cannot.

Producers can make their own food energy and consumers cannot.

Answers

Answer:

B & D

Explanation:

Producers make

Consumers eat/use producers and/or what they make

Hope its right :)

The difference between a producer and a consumer is producers convert sunlight energy into fuel and consumers cannot and producers can make their own food energy and consumers cannot. Thus, option B and D are correct.

Who is considered as producer?

All green plants which prepares their own food is considered as the producers. Decomposers are usually defined as as those organisms which converts the complex organic matter into simpler ones, hence consuming the required amount needed and liberating the left over to the environment.

The cycle goes on and helps in maintaining a state of between the living and the decaying particles and the producers, consumers and the decomposers are interdependent on each other.Consumers convert sunlight energy into fuel and producers cannot.

So, it can be concluded that, after the death of an organism (consumer), some amount of energy is consumed by the decomposers and the remaining is mixed with the environment.

Therefore, The difference between a producer and a consumer is producers convert sunlight energy into fuel and consumers cannot and producers can make their own food energy and consumers cannot. Thus, option B and D are correct.

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Which scenario describes an interaction between two of Earth’s spheres?

Water flows from a stream to a lake.
Gravity moves rocks to another location.
Lions use energy to catch other animals for food.
Bears dig big holes in the ground to protect their young.

Answers

#2: Gravity moves rocks to another location

Answer:

The scenario that describes an interaction between two of Earth's spheres is "bears dig big holes in the ground to protect their young".

Explanation:

The Earth spheres include the biosphere, the hydrosphere, the geosphere, and the atmosphere. In this context, there is an interaction between two spheres: the biosphere and the geosphere, when a bear digs holes in the ground because a living organism that is part of the biosphere is modifying the structure and shape of superficial soil, which is part of the geosphere.

Pls, help with science (:

Answers

what can i help u ask me if i can i will say you

differences between stamen and pistil​

Answers

Stamen is composed of anther and filament. The pistil is composed of stigma, style, and ovary. ... The key difference between stamen and pistil is that stamen is the male reproductive organ which produces pollens of angiosperms while pistil is the female reproductive organ which produces ovules of angiosperms.

I hop this helps!

Guys how do I get a little fat? I eat all the time but I feel like I’m not growing

Answers

Answer:

you've just gotta have a balanced diet

Explanation:

when ppl tell you to eat more junk food they're wrong because yes you can gain weight by eating fatty foods but it's not good for you the best way to gain weight is to eat a balanced diet

What is the resting phase.

Answers

Yah it’s a Go phase because of the cell cycle.

NEED ANSWER! WILL BRAINLIST!


•During the mining process, which step immediately follows separating the mineral from the waste rock?


A. refining

B. distribution

C. crushing and milling

D. drilling and blasting

Answers

Answer:

C

Explanation:

Which of the following symptoms is characteristic of a manic mood state?
a) Cycling between elation and depression
b) Catatonic excitement
c)
Disorganized speech in the form of a "word salad"
d) Extremely high self-esteem
)

Answers

The symptom that is a characteristic of manic mood state is therefore: b) Catatonic excitement

What is the Manic Mood State?

The manic mood state is a phase of bipolar disorder, which is characterized by catatonic symptoms such as heightened energy, euphoria, loss of sleep, excessive talk, and being hyperactive.

Thus, the symptom that is a characteristic of manic mood state is therefore: b) Catatonic excitement

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If a plant died from lack of food provided by photosynthesis, which structure is most likely missing or damaged

Answers

I’m pretty sure it would be the leaf

Though MacArthur and Long each describe as what they see as an important part of living in the USA, they have very different purposes at work. Which statement BEST describes the different purposes of MacArthur and Long? usatestprep

Answers

Answer:

"MacArthur has spoken in his speech in the most articulate way about the sacrifice that the men of the country make to secure the well-being of citizens of the nations. The language is intended at making the listeners comply with his words by influencing and impressing them.

On the other hand, Long is trying to acquaint his listeners to the truth of the society that he has devised to be deteriorating the lives of common people of the United States."

(C)

Why does an increasing population cause
increased waste production?
A. decreased food production
B, each new person creates more waste
C. each new person creates less waste
D. decreased resource use

Answers

B. Each new person creates more waste

What causes STI's & how are they transmitted?

Answers

Answer

I think the cause would be unprotected sex and well that would also be how its transmitted.

Explanation:

The gene for fur color in mice has two alleles, the allele for gray fur
(G) is dominant to the allele for black fur (g). What would be the
phenotype of a mouse with genotype gg?

Answers

Answer:

the phenotype of a mouse with genotype is g

Which of the following structures are found in both plant and animal cells?
O Mitochondria
O Chloroplast
O Cell Wall

Answers

The cellular structures found in both plant cells and animal cells are mitochondria.

Mitochondria are organelles and represent the energy factories of eukaryotic cells because they generate energy by the process of cellular respiration.

Cellular respiration refers to the metabolic processes used by both plant and animal cells in order to generate ATP by using the energy stored in the chemical bonds of foods and oxygen.

Cellular respiration has three main stages: glycolysis, the Krebs cycle and oxidative phosphorylation.

The Krebs cycle and oxidative phosphorylation occur in the mitochondria, whereas glycolysis occurs in the cytoplasm.

In conclusion, the cellular structures found in both plant cells and animal cells are mitochondria.

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.
What do flagella help a Eubacteria do?

Answers

Flagellum is primarily a motility organelle that enables
movement and chemotaxis. Bacteria can have one
flagellum or several, and they can be either polar (one or
several flagella at one spot) or peritrichous (several
flagella all over the bacterium).

Answer:

flagella helps them Move.

Explanation:

On average, Hepatitis A has an incubation period (the length of time before a person shows illness symptoms) of:

Answers

Hepatitis A affects the liver. The incubation period of hepatitis A is around 28 days.

What is an incubation period?

An incubation time is a period between the infection and the actual appearance of the symptom. It can be said that the time taken for the hepatitis A virus to show its symptoms like nausea, fever, and abdominal pain after infection is incubation time.

Hepatitis A virus spreads through contaminated food and water and is preventable by vaccines. It takes approximately 28 days for the virus to cause the symptoms of the disease from the time of its infection period.

Therefore, the incubation time of the virus is 28 days.

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Which of the following are characteristics of the tundra biome? (Choose all that apply.)
much rainfall throughout the year
low biodiversity
very cold temperatures
lack of trees

Answers

Answer is very cold temperatures, lack of trees and low biodiversity

The Tundra is defined mainly by permafrost, lack of trees, low biodiversity, and harsh conditions. It occupies the area between the polar ice caps and the boreal forests (or taiga).

The tundra biome is characterized by extremely cold temperatures and treeless, frozen landscapes. There are two types of tundra, the arctic tundra and the alpine tundra.

The World’s Ice Deserts: The Tundra Biome

The tundra is the coldest of all the biomes with an annual average temperature of less than 5°C, and precipitation (mostly in the form of snow) less than 100 mm per year. The weather conditions at tundra are so harsh that only a handful of plants and animals can even survive there. The word tundra comes from the Finnish word ‘tunturia’ which means treeless plain.

The tundra is one of the least understood and most fascinating biomes on the planet. This incredibly difficult climate and the environment have both a bizarre and diverse range of animals that have learned to survive with the limited amounts of green plant life, sunlight and moisture. Due to extremely cold temperatures, the layer just below the surface remains permanently frozen. This frozen layer of ground is called ‘permafrost.’

A lack of trees, a lack of biodiversity, and extreme circumstances are what most clearly identify the tundra.

What is Tundra Biome?

The polar ice caps and the boreal woodlands (also known as taiga), it is located. Extremely low temperatures and barren, icy terrain define the tundra biome. The arctic tundra and the alpine tundra are the two different forms of tundra.

The Tundra Biome: The Ice Deserts of the World. The tundra is the coldest biome, with an average annual temperature of less than 5°C and yearly precipitation of less than 100 mm, most of it snow.

Only a few number of plants and animals can even thrive on the tundra due to its extreme weather conditions. The Finnish term "tunturia" is where the word "tundra" originates.

Therefore, a lack of trees, a lack of biodiversity, and extreme circumstances are what most clearly identify the tundra.

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the components of every food chain are​

Answers

Answer:

Explanation:

A food web consists of several components; primary producers, primary consumers, secondary consumers, tertiary consumers, and so on. Primary producers include green plants and are the foundation of the food web.

Answer:

hope the above picture helps

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Here is a diagram of the digestive system. Where do you think lactase would be most effective? Explain. Be sure to consider the amount of time lactose/food would spend in each area.

Answers

Lactase will most likely be found in the small intestine and food spends the largest time there.

The digestive system refers to all the structures that are responsible for the breakdown of food in the body. In each part of the digestive system, enzymes act on the food particles to enable certain conversions.

The enzyme lactase in involved in the digestion of milk and diary products. The enzyme has an optimum pH of about 6 hence it works in an acidic environment. Lactase is found in the small intestine.

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what is the answer for 5.6÷16 answer quik

Answers

here: 5.6 ÷ 16 = 0.45

I need help please ??!!!!!

Answers

Answer:

1: false

2: true

3: true

Explanation:

sorry if they wrong its on me if u use them tho

​​​​The desertification of an area from deforestation due to mining gold would be a(n) ___ cost of the gold.
indirect
direct

Answers

Answer: the answer would be indirect

This part of a plant cell makes the process of photosynthesis possible.
Chloroplast
O Mitochondria
O Centrioles

Answers

The chloroplast is the organelle of a plant cell that makes the process of photosynthesis possible.

Photosynthesis refers to the metabolic reactions by which plant cells synthesize simple carbohydrates (glucose) by using the light energy from the sun and carbon dioxide.

Photosynthetic reactions can be divided into light-dependent reactions and light-independent reactions.

During photosynthesis, light-dependent reactions occur in the thylakoid membranes of chloroplasts.

In conclusion, the chloroplast is the organelle of a plant cell that makes the process of photosynthesis possible.

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What are The electrons that are lost gained, or shared in chemical bonds

Answers

Valence electrons of the elements in the bond are shared. The gain , loss , or sharing of electrons occurs in every chemical bond.

Answer: Valence electrons

Explanation:  Valence electrons of the elements in the bond are shared. The gain , loss , or sharing of electrons occurs in every chemical bond.

Hope This Helps :)

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