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Describe the steps of transcription

Answers

Answer 1

Answer

The various steps in the transcription and translation process of protein synthesis are described below.

Explanation:

Proteins (made up of amino acids) have an important role in the various functioning process of an organism. Protein synthesis which takes place in the cells of an organism consists of two major processes: transcription (DNA to RNA) and translation (RNA to protein).

Transcription: It is the first process in protein synthesis which occurs in the cell nucleus where a single-stranded messenger RNA (mRNA) is created using a DNA strand and the genetic instructions in DNA are transferred to this mRNA. The steps in transcription are initiation, elongation, and termination. The beginning process known as initiation occurs when an enzyme RNA polymerase binds to a promoter (region of a gene) and the DNA unwinds. One of the DNA strands acts as a template and the enzyme reads the bases in the template DNA strand.

The next step is elongation, where the RNA polymerase builds a strand of mRNA by the addition of nucleotides using complementary base pairs. Here, adenine (A) in the DNA binds to uracil (U) in the RNA. Termination is the last step in which the transcription process ends when the RNA polymerase comes across a termination sequence in the gene. Thus, the completed single-stranded mRNA detaches from DNA.

Translation: It is the second process in protein synthesis which occurs in the ribosome of the cell where the genetic information in mRNA is used to create a protein from amino acids. A triplet of nucleotides is called a codon and they define amino acids. There are 64 possible codons and the codon, AUG acts as the start codon which initiates translation in addition to specifying the amino acid methionine. In the initiation step, the first amino acid in the polypeptide chain is brought by transfer RNAs (tRNAs) to bind to the start codon of mRNA. During elongation, each type of tRNAs in the cytoplasm bound to a specific codon on the mRNA template and adds the corresponding amino acid to the polypeptide chain. Stop codons (UAA, UAG, or UGA) terminate protein synthesis and release the polypeptide.


Related Questions

what is the most common fuel source for power plants for almost all 50 states?

Answers

Answer:

Fossil fuels are the most common fuel source for power plants

Explanation:

Answer:

I'm not really sure but it's either coal or fossil fuels

Explanation:

In prokaryotic cells, the DNA is found-
A)Attached to the ribosomes.
B)Floating in the cytoplasm.
C)Contained in the vacuole.
D)Surrounded by the nuclear membrane.

Answers

Answer: B. Floating in the cytoplasm

Explanation: Prokaryotic cells do not have a nucleus or any membrane bound organelles. Therefore the DNA just floats.

what is the difference between an alligator and a crocodile

Answers

Snout Shape: Alligators have a wide, rounded, u-shaped snout, while crocodiles have long, pointed, v-shaped snouts. ... Crocodiles are different from alligators in this sense, where both upper and lower jaws of a crocodile are the same size, exposing their teeth as they interlock, creating the look of a toothy grin.

Alligators have U-shaped faces that are wide and short, while crocodiles have thin V-shaped muzzles. When an alligator closes its mouth, you tend to see only its upper teeth. Crocodiles on the other hand flash a toothy grin with their top and bottom teeth interlacing.

If a star is large, it will undergo hydrogen fusion
a small star.
for as long as

for longer than

for less time than

Answers

Answer:

Longer, hope you pass

Explanation:

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What information would you like to know / obtain when interviewing someone that helps the Environment

Answers

Answer:

- what they believe is the most important thing to focus on when it comes to saving the environment

- what steps they are taking to improve the environment

- their credentials, are they qualified, whats their background experience

- what interested them in helping the environment in the first place

-hope these ideas help :)

Explanation:

Answer: 1)Why did you decide to go into the field of sustainability?

2)How do you stay ahead of the latest developments in the environment sector?

3)Tell me about a recent challenge you faced while working on a sustainability project. How did you overcome it?

4)How would you describe your work process?

5)Tell me what interests you most about this specific role.

Normal red blood cells slide easily through narrow blood vessels. In sickle cell disease, many red blood cells change to a crescent shape like a slender moon. Crescent-shaped blood cells cause blockages in blood vessels. These blockages decrease the transport of oxygen. People with sickle cell disease often have sharp pains due to the lack of oxygen in parts of the body. The sickle cell version of the gene that causes sickle cell disease is recessive. Suppose that two parents with no symptoms have a child with sickle cell disease. What genes did the child inherit from the parents?

Answers

Answer:

please give me brainlist and follow

Explanation:

Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body.

Answer:

alleles

Explanation:

1. I got the answer right

2. I learned about it in class

please help i’ll give brainliest

Answers

Answer:

grasshopper and rabbit

Explanation:

Grasshoppers and rabbits

Blood is one of the most important tissues in the body and without it, we could not survive, Blood and other fluids carry oxygen, carbon
dioxide, hormones, nutrients, wastes and pathogen fighting agents, all to maintain our lives.
True
False

Answers

Answer:

Blood is not a tissue, so it should be false.

Explanation:

The answer I believe is false


︶hopefully this helps have a wonderful day!

How does reducing gene flow cause speciation?
A. It allows divergence to occur.
B. It eliminates fixed alleles.
C. It increases gene flow.
D. It stops adaptive radiation.​

Answers

A. People can Change the way that the genes flow

Answer:just look at the pic brothas

Explanation:

How are sexual reproduction and asexual reproduction different

Answers

asexual requires one parent, which produces genetically identical offspring, however sexual reproduction requires two parents, and there is a varied genes
“Asexual reproduction involves one parent and produces offspring that are genetically identical to each other and to the parent. Sexual reproduction involves two parents and produces offspring that are genetically unique”

name three properties that are similar to both monosaccharides and disaccharides​

Answers

Answer:

Glucose ,Fructose ,Ribose ,- monosaccharide..They have Carbon atoms 3 to 6 .They will not be further simplified

Sucrose-disaccharide firmed by Glucose and fructose .Two hexose sugar united together by glucoside linkage by the elimination of one water molecule.Glucose is aldalose having CHO aldehyde group and fructose is Ketose having C=O keto group sugar both are having same embrical formulae but different structural formulae

Lactose is a disaccharide glucose+glucose by glycoside linkage

Maltose

Glucose +glucose

On hydrolysis yields two monosaccharides

Explanation:

Help me please! I will report any links!
Answer all of the questions using the diagram provided.

1. Which organisms are producers?
2. Which organisms are herbivores?
3. Which organisms is an omnivore?
4. Which organisms is the top level consumer?

Answers

Answer:producer- seaweed and phytoplankton

Explanation:

Which of the following is not made of DNA?
O chromatids
O chromosomes
centromeres
O chromatin

Answers

Answer:

chromatin po

Explanation:

pabrainly please

Use the information to answer the following question.

People can swallow the eggs of tapeworms by consuming unclean food or water. Tapeworms can live in the digestive systems of humans where they grow and feed off the food the person eats. As a result, the person does not receive proper nourishment and becomes ill.

Which of the following explanations BEST describes the relationship that exists between the humans and the tapeworms?

Answers

Answer: Parasitism

Explanation:

You didn't give the options and I couldn't get them online but based on the information given, the relationship is parasitism.

Parasitism is a refered to as a symbiotic relationship that exists between organisms such one organism, which is known as the parasite, either lives on the other organism which is called the host or lives inside it and causes the host harm.

In this case, the parasite benefits at the expense of the host. Examples of parasites include tick, fleas and tapeworms.

With regards to the question, the tapeworm causes people harm and benefits at the expense of its host.

Answer:

Parasitism

Explanation:

The relationship between the humans and the tapeworms is parasitism because the tapeworms are getting food, but the human is losing nutrients in the process.

otions are in the second question please help asap any links will be reported

Answers

Answer:

Trees, crickets, bacteria, and deer are biotic. The rest are abiotic.

Explanation:

Biotic factors are living organisms, while abiotic factors are non living. Hope it helps :)

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Which of the following is necessary in order for natural selection to act on a
population?

A. selective pressures that favor certain individuals
B. asexual reproduction through mitosis
C. equal chance of survival for all individuals
D. decrease in diversity through genetic drift

no dam links

Answers

Answer:

A. selective pressures that favor certain individuals

Explanation:

What is the dew point when you have a dry bulb of 25 degrees celsius and a wet bulb of 12 degrees celsius?

Answers

Ahem it is... Bob the builder

Neural crest cells appear on the edges of the neural tube and spread throughout the embryo, giving rise to all of the following structures except __________. Neural crest cells appear on the edges of the neural tube and spread throughout the embryo, giving rise to all of the following structures except __________. pharyngeal slits (or clefts) of invertebrate chordates some of the bones and cartilage of the skull sensory capsules in which eyes and other sense organs develop. teeth

Answers

Answer:

The correct answer is ''pharyngeal slits (or clefts) of invertebrate chordates.''

Explanation:

The neural crest is a temporary structure that develops as the neural tube closes. Its migratory capacity and subsequent distribution during development is a basic point in the general embryonic development and of most organs and structures in particular.These cells contribute to the formation of head cartilage and tooth dentin in fish embryos; and a large number of tissues and structures are formed from the migration of neural crest cells. Invertebrate chordates are animals of the Chordata phylum that have a notochord at some point in their development, but do not have a backbone. With a hollow nerve cord, neural tube. It appears by invagination of the dorsal surface; the tube is formed with a central cavity lined by ependyma; the anterior part of the neural tube gives rise to the brain. The neurenteric canal is a communication channel between the neural tube cavity and the intestine. The pharyngeal clefts (pharyngotremia), originally used for food; It is a filtering device that retains food particles that are included in mucus and transported to the intestine. In fish it already acquires respiratory function. In the ventral part, a groove is formed with cilia and bands of glands: endostyle or hypobranchial groove.

Which of the following is possible genotype for the offspring?

Answers

Answer:

a or d

Explanation:

i believe it is one of those

Answer:d. long tailed, stripped fur

Explanation:

A simplified forest food web is shown here for a temperate, deciduous forest biome. Predict which species would see the greatest
decline in energy availability if a pesticide removed the majority of the squirrel population

Answers

Answer:

the foxes will see the greatest decrease in energy as the squirrels are their only prey.

Explanation:

just did it on usa test prep

In food web, foxes would see the greatest decline in energy availability if a pesticide removed the majority of the squirrel population.

What do you mean by food web?

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the dynamics of energy transfer in an ecosystem.

A food web consists of many food chains. A food chain only follows just one path as animals find food. Example- A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass.

Learn more about food web:

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Nerves around the lumbar vertebrae _______________________

Answers

Answer: T12, L1, L2, L3, and L4

Explanation: T12, L1, L2, L3, and L4 spinal nerves

Answer:

Hello There!!

Explanation:

The answer is=>T12, L1, L2, L3, and L4.

hope this helps,have a great day!!

~Pinky~

What common bacteria has bacillus and coccus?

Answers

Bacilli, cocci, and spirilla

Explanation:

thats all i know

what's the full form of DNA?​

Answers

Answer:

Deoxyribonucleic acid is the full form of DNA.

hi please help i’ll give brainliest

Answers

Answer:

The planet to revolve once around the sun

Explanation:

When it does that, it will complete its yearly phase. Some planets tend to revolve faster than others.

You’re answer is:

The planet to revolve once around the sun

Have a good day!!

Please help meeeeeeeee???!!!

Answers

Answer:

A.

Explanation:

Answer:

The organisms share a common ancestry.

Explanation:

embryos with similar structure have common ancestor

If a thin haired woman (bb) has a child with a full haired man (B-), then what is the chance each of their boys will be bald?

Please no files that I have to download

Answers

i did this in 6th grade and i think there is no chance because the thin haired woman has a non-dominant allele and the full haired man does have a strong  allele. so, the man has the dominant gene

Pleaseeeeeee helpppp!!!!!


Which of the following explains the flexible nature of plant stems?
a. Cell volume of parenchyma cells
b. Thickness of cell wall in collenchyma cells
c. Lack of nucleus in sclerenchyma cells
d. Presence of cellulose in plant cell wall

Answers

Answer:

D. I.

maybe its D, I think it might be D

The active ingredients in many pesticides are chemical compounds that kill organisms such as insects, molds, and weeds. Proponents claim that the use of pesticides improves crop yields and thus protects land and soil by reducing the conversion of forests and wetlands to cropland. Opponents of pesticide use claim that pesticides degrade water and soil quality and that other modern agricultural techniques and practices are responsible for the improved crop yields in recent years. Design a laboratory experiment to determine whether or not a new pesticide (product X) is toxic to minnows, a type of small fish.

Answers

Answer:

The active ingredients in many pesticides are chemical compounds that kill organisms such as insects, molds, and weeds. Proponents claim that the use of pesticides improves crop yields and thus protects land and soil by reducing the conversion of forests and wetlands to cropland.

Explanation:

The experiment design would be based on the hypothesis - that higher concentration of the new pesticide product X will result in more mortalities of minnows in the population.

Experiment:

In such type of experiment we required four different tanks with fresh water in each of them and 20 minnows in each as well.Tank 1 with no pesticide would be control in this experiment.concentration of the pesticide in tank 2: 0.05 %, tank 3: 0.1% and tank 4: 0.2%.number of death of minnows in each tank would be count after exposure every day.Experiment should be continue for 30 daysindependent variable: concentration of pesticidedependent variable: number of deaths of minnows each day of exposure.

On the given design of the test we can determine whether or not a new pesticide (product X) is toxic to minnows, a type of small fish.

Learn more about experiment design:

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Drinking non-potable water can cause
A) cholera
B) giardia
C) typhoid
D) death
E) all of the above

Answers

E) All of the above

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WHY IS SOMEONE THAT HELPS THE ENVIRONMENT
Why WHOULD U consider this person an example to follow?

Answers

A good example of someone that helps the environment is Greta Thunberg who is a young lady that is a big environmental activist amount other things. She is a great example of someone taking the future of the world I to their own hands because they can’t rely on the previous generations. She is a great role model and someone to look up to.
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