if the adjacent tryptophan codons in the trp operon leader sequence are mutated to alanine codons, what is the predicted effect on trp operon regulation?

Answers

Answer 1

Attenuation may occur in response to high alanine levels.

What is Attenuation?

Given that transcription and translation occur simultaneously in bacteria, attenuation is a suggested regulatory mechanism in some bacterial operons that results in the premature termination of transcription. A provisional stop signal, found in the DNA segment corresponding to the mRNA leader sequence, is involved in attenuation.

The ribosome gets stuck inside the attenuator region of the mRNA leader during attenuation. The attenuator either blocks production at that point or permits read-through to the structure gene portion of the mRNA and the production of the appropriate protein depending on the metabolic diseases.

Attenuation is a regulation mechanism that causes premature transcriptional termination and is present in all Archaea and Bacteria.

Learn more about Attenuation with the help of the given link:

https://brainly.com/question/28260935

#SPJ9


Related Questions

Skin cells and bone cells have the same DNA, but ______ genes activated.
A.none of the
B.all of the
C.different
D.the same

Answers

Answer: C.different

Explanation: because they are not all the same

Answer:

Yea,my girl apaytonk26 is RIGHT.

Your answer is (C.) Different.

Explanation:

Hope this helped you !Have a great day and don't forget to give Apaytonk26 BRAINLIEST!!!!

What does the ecosystem send te outside world?

Answers

Healthy ecosystems protect our soil, clean our air, regulate the temperature, recycle nutrients, and provide us with food. They provide resources and raw materials for the manufacture of pharmaceuticals and other products.

How do ecosystems benefit us?

Ecosystem services sustain human existence by supplying nutritious food and clean water, controlling disease and climate, assisting in crop pollination and soil formation, and giving recreational, cultural, and spiritual benefits.

We rely on healthy ecosystems to accomplish a variety of tasks, like purifying the air so we can breathe correctly, sequestering carbon for climate management, cycling nutrients so we can obtain clean drinking water without costly infrastructure, and pollinating crops so we don't go hungry.

These services, also referred to as ecosystem services, include supplying resources such as food and water, preserving ecosystems that sustain biodiversity, giving chances for recreation, and assisting in the regulation of human-caused consequences such as climate change.

learn more about Ecosystem refer

https://brainly.com/question/1514975

#SPJ10

Article of plastic in the ocean.
Why or how does the article occur ?
Also provide a brief personal reflection on the article that you have given me

Answers

Earth's last sink for plastic waste, the oceans, receive the majority of it from the land. Major rivers operate as conveyor belts, gathering up debris as they flow downstream and carrying it to the ocean. Many pieces of plastic waste that are floating at sea stay in coastal waters.

Why is plastic in the ocean happening?Plastic garbage is transported through drains, streams, and rivers by wind and rain. Ocean access is via drains! Another significant factor is careless and incorrect garbage disposal; unlawful rubbish dumping significantly contributes to the plastic pollution of our oceans.Being such a persistent contaminant, plastic waste is particularly harmful. Decomposition of plastic products might take hundreds of years. Both people and animals are at risk from this garbage. In the debris, fish become entangled and hurt, and some animals mistakenly eat things like plastic bags thinking they're food.

To learn more about :  Plastic pollution

Ref : https://brainly.com/question/27969920

#SPJ13

True or false? data showing that the bacteria were the first lineage to diverge from the common ancestor of all living organisms suggest that the archaea and eukarya are more closely related to each other than they are to the bacteria.

Answers

True, the archaea and eukarya are more closely related to each other than they are to the bacteria

The archaea, eukarya and bacteria are described by the Woese's tree of life.

What is Woese's tree of life?

This is a unique research program developed by Carl Woese, it is based on rRNA, for discerning bacterial relationships and constructing a universal tree of life. Woese's interest in the evolution of the genetic code led to him to investigate the deep roots of evolution, develop the concept of the progenote, and conceive of the Archaea.

The tree indicates that the common ancestor for eukarya and archaea is more recent than the common ancestor for all three domains.

Eukarya are therefore more closely related to the archaea than is to the bacteria.

Learn more on the three domain system from:

https://brainly.com/question/15393052?referrer=searchResults

#SPJ4

What is the structure labeled A in the cells above?

Answers

Answer:

Mitochondria

Explanation:

the four kinds of cell communication (between two different cells) based on the distance from source to receptor are: direct contact, signaling, signaling, and signaling.

Answers

The four kinds of cell communication (between two different cells) based on the distance from source to receptor are: direct contact signaling, paracrine signaling, autocrine signaling, endocrine signaling.

What is autocrine signaling?

When a cell releases a ligand that binds to receptors on its own surface, it is signaling to itself in an autocrine manner or autocrine signaling (or, depending on the type of signal, to receptors inside of the cell). Although doing this may seem strange for a cell, autocrine signaling is crucial for numerous activities.

For instance, autocrine signaling plays a crucial role in development by assisting cells in assuming and maintaining their correct identities. From a medical perspective, autocrine signaling is significant in cancer and is believed to be crucial for metastasis. A signal frequently binds to the sender cell as well as other nearby cells that are comparable, having both autocrine and paracrine effects.

To learn more about autocrine signaling with the help of given link:

https://brainly.com/question/24462091

#SPJ9

what number represents the subscriot 5h2

Answers

subscriot- it is two

Using food pyramids, explain why a vegetarian diet is more "ecologically responsible."

Answers

The responsibility to preserve and protect the environment is known as ecological responsibility. The majority of the time, ecological responsibility is related to businesses making sure that their operations always abide by environmental laws and regulations.

Explain about vegetarian diet is more Ecologically responsible?People can drastically minimize their consumption of land, water, and oil resources as well as the amount of pollution they might otherwise generate by selecting a vegetarian diet rather than one high in animal products.But when the study's 153 vegans, vegetarians, and omnivores were all included in, it became clear that eating meat was, on average, worse for the environment. When we think about food crops, there are other broad issues to keep in mind that could have a greater negative influence on the ecosystem.According to a thorough peer assessment of studies on vegetarianism, a non-meat diet will probably result in a person emitting less carbon dioxide than they would with a meat-based diet—roughly 1,200 pounds less carbon dioxide. That translates to a mere 4.3% reduction in emissions for the average person living in industrialized nations.

To learn more about Ecologically responsible refer to:

https://brainly.com/question/1229721

#SPJ13

i’m humans,having wet earwax is dominant triat. having dry ear was is reccesive. A woman has two recessive alleles. What is her phenotype?

Answers

Answer:Her phenotype is to have wet earwax

No, the woman has 2 dominate traits and the man has 1 recessive, they need atleast 1 each

Explanation: Hope it helps

assuming that there were no time constraints on replication of the genome of a human cell, what would be the minimum number of origins that would be required? if replication had to be accomplished in an 8-hour s phase and replication forks moved at 50 nucleotides/second, what would be the minimum number of origins required to replicate the human genome? (the human genome has a total of 6.4x 109 nucleotides)

Answers

Answer:

46 origins

Explanation:

there were no time constraints on replication, one origin would be required for each chromosome; thus, a minimum of 46 origins, equal to the number of chromosomes in a human cell, would be needed.

Why do scientists think gases such as CO2 trap heat in the atmosphere?

Answers

Greenhouse gases are more complex than other gas molecules in the atmosphere, with a structure that can trap heat. Greenhouse gas molecules in the atmosphere absorb light, preventing some of it from escaping the Earth.

Carbon dioxide is Earth's most important greenhouse gas that works for  absorbing and radiating heat. Greenhouse gases absorb heat radiating from the Earth's surface and even circulate it in all directions including back toward Earth's surface.

Carbon dioxide in the atmosphere warms the planet, causing climate change. Human activities have raised the atmosphere's carbon dioxide content by 50% in less than 200 years.

To learn more about Carbon dioxide , here

brainly.com/question/3049557

#SPJ1

Kate and Sam are using a scanning electron microscope to study photosynthesis in algae. Which is the benefit of this type of microscope compared to a light microscope?

Answers

Scanning electron microscope is better than light microscope to study photosynthesis in algae.

The light microscope is an instrument for visualizing great detail of an object. It does this by way of developing a magnified image via the use of a sequence of glass lenses, which first attention a beam of light onto or via an object, and convex lenses to increase the picture fashioned.

Light microscopy is used to make small structures and samples seen by way of supplying a magnified photo of the way they interact with visible light, e.g., their absorption, reflection and scattering.

Lenses form the picture goal lens  gathers light from the specimen eyepiece  transmits and magnifies the photo from the goal lens for your eye nosepiece  rotating mount that holds many objective lenses tube  holds the eyepiece on the proper distance from the goal lens and blocks out stray light.

Learn more about light microscope here:- brainly.com/question/2121468

#SPJ1

9. Students studying the hydrologic cycle plan to use several rain gauges to compare
average annual precipitation in several Texas stare parks. Which of these variables
should be the independent variable?

Answers

In the experiment, the independent variable is the type of rain gauge.

What is an experiment?

We know that an experiment involves the dependent and the independent variable. The dependent variable would change in value as we continue to alter the value of the independent variable.

Now we are told that the students are trying to study the  hydrologic cycle plan to use several rain gauges to compare average annual precipitation in several Texas stare parks as required in the question above here.

In this case, the independent variable that we need to study is the type of rain gauge.

Learn more about independent variable:https://brainly.com/question/1479694

#SPJ1

In what phase of meiosis are tetrads of homologous pairs lined up along the center of the cell and attached to the spindle fibers?

Anaphase I
Metaphase II
Metaphase I
Anaphase II

Answers

Answer:

Metaphase I

Explanation:

Hope this helps.

What is an example of positive feedback?

A) A computer screen dimming when the battery gets low.

B) A herd of buffalo running away after one of them spots a lion.

C) A pressure cooker valve opening to reduce the high pressure inside.

D) A thermostat switching on an air conditioner when the temperature gets too hot.

Answers

C) A presure cooker valve opening to reduce the high pressure inside.

More energy can be from fat molecule than from glucose molecule because the fat molecule contains more

Answers

Answer: Hope this helps.

Explanation: Triglycerides store about twice as much energy as carbohydrates. Triglycerides are made of glycerol and three fatty acids. Because there are so many carbons in three fatty acids, and each 2-carbon unit can enter the citric acid cycle, one fatty acid molecule can generate much more ATP than one molecule of glucose.

Answer:

because the fat molecule contains more kilocalories per gram

The chaparral biome is best characterized by _______. a. large, contiguous regions of shrubland b. small regions interspersed with other biomes c. large noncontiguous regions interspersed with other biomes d. the animals dwelling in it please select the best answer from the choices provided a b c d

Answers

''a. large, contiguous regions of shrubland'' are the characteristics of the chaparral biome.

What are the characteristics of the chaparral biome?

Chaparral is a type of woodland that is characterized by a combination of dry soil, warm weather, and short and hardy shrubs. The chaparral biome is dominated by short types of woody plants instead of grasses that are present in the grassland biome or tall trees which are present in forest biomes. The chaparral is unique and present on the Pacific coast of North America. Chaparral is a temperate biome that is characterized by hot-dry summers, and mild and rainy winters. Nearly all of the rainfall occurs in the winter and spring rainy seasons at the Chaparral.

So we can conclude that the chaparral biome is best characterized by large, contiguous regions of shrubland.

Learn more about biome here: https://brainly.com/question/1930321

#SPJ1

[Anatomy, Articulations Homework] The special movement of drawing a back a "jutted out" mandible is known as?

Answers

The special movement of drawing back a "jutted out" mandible is known as erotrusion.

A jutted out mandible is called protrusion. The opposite of protrusion is retrusion. The movement of a structure in a posterior, or backward, direction, is what is meant by this term. Retrusion in anatomy might manifest as putting your tongue back in your mouth, pulling your lips back, or pulling your jaw back.

Prognathism is sometimes known as a Habsburg jaw or a prolonged chin. Prognathism typically refers to an excessive protrusion of the lower jaw.

Depending on which jaw is impacted, prognathism can result in either an overbite or an underbite. Prognathism could be a symptom of a medical disease that has to be treated.

To know more about jaw, refer to the following link:

https://brainly.com/question/17669881

#SPJ9

hii please help i will give brainliest to whoever is correct! :)

Answers

Answer:

Answer down below!

Explanation:

Answers ranging from top to bottom:

GlucoseCarbon DioxideWaterOxygen

“Why is there so much peat in the peat/perfrost system? Minimum of 5 sentences
PLEASE HELP

Answers

There is so much peat in the peat /perfrost system as a result of the low oxygen concentration in the environment which leads to incomplete decomposition occurring.

What is a Peat?

This substance has a soft and dark brown property and is formed from partially decaying organic matter and dead substances present in a long period of time.This could take a certain period of years and are also rich in carbon content.

Perma frost is referred to an area which is located on land or under the ocean in areas where there is a low concentration of oxygen as result of certain factors and properties.

Since we are aware that peat is formed partially decaying organic matter under low oxygen concentration, then it is therefore the reason why there is so much peat in the peat/perfrost system and is therefore the correct choice.

Read more about Peat here https://brainly.com/question/12409460

#SPJ1

From your experience in this lab, discuss how
humans have carried out the same practice as
Adam in terms of plants.

Now out of the ground the LORD God had
formed every beast of the field and every bird of
the heavens and brought them to the man to
see what he would call them. And whatever the
man called every living creature, that was its
name. The man gave names to all livestock and
to the birds of the heavens and to every beast
of the field.

Answers

Answer:

zz

Explanation:

Select all the algebraic expressions equivalent to a3b3

Answers

Cube both a and b then times 3 then that number times 3 again

Some individuals are unable to digest the lactose found in the milk of cows. The digestive systems of these individuals most likely lack which of the following?

A.
a lipid that coats lactose molecules

B.
an ability to produce lactose internally

C.
an enzyme that catalyzes lactose breakdown

Answers

Some people cannot digest the lactose found in milk. This person's digestive system is deficient in any of the following. The ability of the body to produce lactose.

Sugar is found in milk. It is a disaccharide containing glucose and galactose units. When a person with lactose intolerance consumes dairy products, lactose from these components can enter the intestines and cause gas, cramps, bloating, and diarrhea. Some people can eat small amounts of dairy without any problems. Others have stomach problems and want to avoid all dairy products. Signs of lactose intolerance include nausea, cramps, gas, bloating, or diarrhea within 30 minutes to 2 hours after drinking milk or dairy products. Symptoms occur because the scaffold does not produce enough lactase to digest the ingested lactose.

Lactose is one of the main components of human and animal milk. As a disaccharide containing glucose and galactose, lactose has a fortifying effect on milk. Eggs are not mammals and come from birds, including chickens, ducks, or quails that do not currently produce milk. Eggs are rich in protein and contain many essential vitamins and minerals. They no longer contain lactose, so they can be eaten by people with lactose intolerance and who are allergic to eggs.

Learn more about  Lactose here:

https://brainly.com/question/3009094

#SPJ1

Using food pyramids, explain why a vegetarian diet is more "ecologically responsible."

Answers

In comparison to a meat-based diet, a vegetarian diet uses less land and water and emits less greenhouse gases. As a result, it is frequently regarded as a greener choice.

What can you eat on vegetarian diet?

Choose a range of healthful tree foods, such as whole vegetables and fruits legumes and nuts, and whole grains, to make the most of a vegetarian diet. Reduce consumption of unhealthier options including refined grains, fruit juices, and beverages with added sugar.

What is a true vegetarian diet?

A vegetarian does not consume any meat at all, not even fish or fowl. The diet of a lacto-ovo vegetarian includes both dairy and eggs. A lacto vegetarian consumes dairy but avoids eggs. Ovo vegetarians consume eggs but not dairy.

To know more about vegetarian diet visit:

https://brainly.com/question/28721808

#SPJ9

In fermentation, what do cells use instead of oxygen
to break down glucose?
a. Carbon dioxide
b. Water
c. Lactic acid
d. Nitrogen

Answers

Answer:

Answer:sugarExplanation:In the absence of oxygen, the cell uses a process called anaerobic fermentation.

it should be d, nitrogen bc the products of anaerobic fermentation will be co2 and lactic acid


Facilitated transport does not require the cell to use energy because moving molecules from areas of
higher concentration to areas of lower concentration is powered by diffusion.
Is this statement True or False?

Answers

Answer:

Facilitated transport does not require the cell to use energy because moving molecules from areas of

higher concentration to areas of lower concentration is powered by diffusion.

True

Explanation:

Answer:

True

Explanation:

The Statement is true because, diffusion involves the movement of individual molecules of a substance through a semipermeable barrier/membrane from a region of high concentration to a region of lower concentration without energy as a requirement.

Who believed intelligence consisted of one general factor, called "g," underlying all mental abilities?
O Robert Sternberg
O L.L. Thurstone
O Charles Spearman
O Howard Gardner

Answers

Charles Spearman
Explanation: Charles Spearmen believed intelligence consisted of one general factor called g, which could be measured and compared among individuals.

what impacts on the lion food web would occur if the prey hunted was no longer available

Answers

Answer:

If an organism is removed from the food chain, it spoils the flow of energy and nutrient in the ecosystem. It disrupts the balance of the food chain. As a result, the organisms which depend on others for food will die due to starvation.

Explanation: Hope this helps ya'..! :)

Read each statement below. If the statement is true, write the word true in the space provided. If the statement is
false, write the word false in the space provided.
1. Circadian rhythms in plants and animals are based on Earth's rotation of about 24 hours.
Tive
2. The lithosphere is made up of the solid part of the upper mantle and the crust.
3. Studies of seismic waves suggest that the lithosphere is probably more rigid than the
asthenosphere.
4. P-waves travel faster through liquids than through solids.
5. According to Newton's law of gravitation, the force of attraction between any two objects
depends on the weight and temperatures of the objects.
6. Rays of the Sun that strike the Earth at near 90° produce the greatest amount of heat.
7. When the Southern Hemisphere experiences summer, the Northern Hemisphere
experiences winter.
8. In a standard time zone, the Sun is highest over the center of the zone at Noon.
9. A satellite in polar orbit passes over a different portion of the Earth's surface with each orbit.
10. The orbits of communication satellites are geosynchronous orbits.

Answers

Biological alterations known as circadian rhythms take place on a 24-hour cycle. The final or fourth choice among the possibilities listed in the question is the one that should be selected. This kind of mechanism is present in cyanobacteria, fungi, mammals, plants, and other organisms.

True, True, False, True, False, False, True, True, True, False.

What is Circadian rhythms ?

A circadian rhythm, also known as a circadian cycle, is a normal, endogenous process that controls the cycle of sleep and wakefulness and occurs roughly every 24 hours. It can be used to describe any process that starts inside an organism and reacts to its surroundings.

The several types of circadian rhythm abnormalities include shift work or jet lag disorder, irregular or non-24-hour sleep-wake rhythm disorder, and advanced or delayed sleep-wake phase problem. Depending on your sleep and awake patterns, you might have a certain type.

To know more about Circadian rhythms please click here : https://brainly.com/question/1400580

#SPJ13

in the diagram at the right, in which dirextion will these molecules initially diffuse

A. from right to left
B. from left to right
C. they will not move at all
D. they will move in both directions equally​

Answers

the molecules initially is diffuse from the right to left

B

Good Luck what it is
Other Questions
In football, a gain is when a player moves the ball closer to the goal line; whereas, a loss is when the player loses yardage making it difficult to score. Larry plays quarterback for the Eagles. During the team's opening football game, the Eagles have the ball 48 yards away from the goal line. On the first play, the Eagles gain 31 yards on a pass toward the goal line. On the next four plays, the Eagles lose 3, 5, 7, and 4 yards, respectively. What is the distance between the ball and the goal line after these five plays?A.-36 yardsB.-2 yardsC.2 yardsD.36 yards 0.25 meses en das y horas. n22When two musical notes are a "fifth" apart, the frequency of the lowernote is the frequency of the higher note. Using f as the frequency ofthe higher note, write an expression for the frequency of the lowernote. If f(-7) = -2 write a corresponding ordered pair solution What is the corresponding pair? Which of the following functions has a graph with the largest positive x-intercept?A. f(x) = 2(x+5)-1B. f(x) = 8(x+8)c. f(x) = 2(x-8) +1D. f(x)=13(x-3) Helppppp this is due in 56 minutes 5. Evaluate According to the historians in the video, whatis Hamilton's strategy for putting his ideas forward? Howdoes Hamilton himself portray his actions? Howeffectively does the video use both Hamilton's own ideasand the ideas of others to create a full picture of acomplex person? Find the product. Write your answer as a mixed number in simplest form.4 1 8/9 32 = 5u +3u solve for u For the function f(x)=x29, find (a) f(x+h), (b) f(x+h)f(x), and (c) f(x+h)f(x) h. What is the slope of y= 1/4 x -2 Easy division standard algorithim-USE PAPER!100 POINTS USE PAPER AND NO LIES What challenges does Percy face in Chapter 8 of the Lightning Thief? Which city did Spanish conquistador Hernn Corts establish?Mexico CityTenochititlanGalvestonMalhado Arial studies for her psychology examination by reading the text, reviewing lecture notes, and testing herself with multiple-choice, identification, and essay questions. She mixes these activities together during each study session using _____ practice. 5. If line a is parallel to line b,0L(x+127What angle pair relation is identiWrite an equation to solve for x.X = Drag is usually ignored because its effect on the horizontal velocity is usually negligible due to the short time of flight.An object's surface area and geometry, along with the object's surrounding wind speed will affect the drag force.In most cases, drag force will cause the object to land horizontally closer to the predicted landing point as drag is a resistive force. 3 messages in crooked smile by jcole GRAMMAR PRACTICECircle the word or phrase that is missing from the sentencefragment. Then rewrite eachcomplete sentence correctly.1. The Colorado River.runs through the Grand Canyona national park Select the correct answer.What does the word doted mean based on the context clues provided?Marvin's grandfather doted on him because he was his only grandson.He loved spending time with Marvin.O A. to show a lot of attentionO B. to show appreciation) C.to be resentfulto be related