Theo mô hình Operon Lac, vì sao protein ức chế mất tác dụng

Answers

Answer 1
What uhhh yeah that’s a good question I g

Related Questions

How has aids affected the people in Nairobi

Answers

Answer:

the greatest effect has been economical as large percentage of individuals are falling ill, hence nobody is working also the health system has been compromised as the high percentage of hiv/aids patients arent allowing for other people to seek madicle assistance

Explanation:

Around ten percent of the adult population of these slums are HIV positive – making them one Kenya's most HIV affected areas. Poor living conditions, extreme poverty as well as a lack of education are main reasons for the spread of HIV/AIDS in the slums of Kenyan capital.

Answer:

HIV mortality in urban slums of Nairobi, Kenya 2003–2010: a period effect analysis;

The global HIV epidemic is one of the worst to affect humanity over the last century [1]. Sub-Saharan Africa (SSA) has borne the brunt of this epidemic where HIV/AIDS has been the leading cause of death in the last decade −1.8 million deaths occurred in the subcontinent from HIV/AIDS in 2010 alone [2].

Explanation:

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1. How did the reactionary conservatism during the 1920s manifest itself
in social life and governmental policies?

Answers

The reactionary conservatism during the 1920s manifested itself  in social life and governmental policies through:

Undesirable activities like alcoholism

Reactionary conservatism is an ideology which has to do with the response to policies which a group of people consider extreme so that it can be changed or amended to something more acceptable to them

As a result of this, there were undesirable activities such as a turn to excess drinking and other societal things which are frowned upon, as their reactions to extreme policies.

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4.
What do living things use the ATP, that is produced during Cellular Respiration, for?

Answers

Answer:

Cellular respiration is a process that all living things use to convert glucose into energy. Autotrophs (like plants) produce glucose during photosynthesis.

Explanation:

hope it helps you

Mollusks, frogs, sea urchins, and bees can all be classified into which group?
bilateria
protostomes
parazoa
deuterostomes

Answers

i think your answer is C but i’m not sure

Question 6 of 10
Which statement about natural resources is true?
O A. Societies have found alternatives for them, so natural resources
have lost all their importance.
B. Some societies find natural resources important, while others find
no need for them.
O C. While all societies use natural resources, they do not use them in
the same way.
D. All societies have the same natural resources available to them.

Answers

Answer:

C

Explanation:

everyone needs natural resources, but different societies located in different areas may have different purposes. for example trees can be used to make tables or paper to a modern society. yet to a native society it can be more commonly used to make tools

when you open a solid room air fresher the solid slowly loses mass and volume. how do you think this happens

Answers

Because the air freshener is being released out in to open, so it spreads everywhere.
Hope that helps :)

Prokaryotic cells lack which of the following?

Answers

Answer:

Prokaryotic cells lack a nucleus and other organelles

Explanation:

What does the term temperature control refer to

Answers

Answer:

the term temperature control refers to Thermostats .....

A device called a temperature controller is used to maintain a target temperature at a given level. The typical thermostat seen in homes is the most basic type of temperature controller.

What are the biological temperature control factors?

The hypothalamus, a region of the brain, controls our body's core temperature. The hypothalamus measures our body's temperature and compares it to the average temperature, which is around 37 degrees Celsius.

The hypothalamus ensures that the body produces and maintains heat if our body temperature falls too low.

Progesterone tends to encourage heat conservation and higher body temperatures, whereas estradiol tends to increase heat dissipation.

Therefore, a thermostat seen in homes is the most basic type of temperature controller.

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Through which plants and animals obtain the nitrogen they need ?

Answers

Answer:

Plants take up nitrogen compounds through their roots. Animals obtain these compounds when they eat the plants. When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter re-enter the soil where they are broken down by microorganisms, known as decomposers

Explanation:

What is the answer for this question

Answers

The answer is nucleotides
I believe it’s rna hope it helps please mark me brainliest if correct

Which is a carbohydrate monomer?
glucose
sucrose
glucagon
glycogen

Answers

The answer to this question would be Glucose.

The answer is Glucose because carbohydrate monomers are known as monosaccharides and glucose is a monosaccharide

Who is more closely related, lizards of the same ecomorph, or lizards that live on the same island?​

Answers

Answer:

The DNA evidence suggests that species from the same island are more closely related than are species from the same ectomorph group.

Explanation:

This finding supports the hypothesis that most of the lizards on each island evolved independently, in a process of convergent evolution, although there are exceptions.

HELP NEED ANSWER IN AT LEAST 5 MINUTES.
Which of the following criteria do scientists use to classify something as living? O Reproduce O Made of one or many cells O Grows All of the above​

Answers

Answer:

Reproducir

Explanation:

Why did Paul Newman still feel concerned after the
study of the ozone?

Answers

Answer:

Inna Allah Yusmiyu Mayyashao”

After this Dua recites verse 22 from Surah Fatir which is mentioned below 111 times.

Wa maa yastawil ahyaaa’u wa lal amwaat; innal laaha yusmi’u mai yashaaa’u wa maaa anta bimusi’im man fil quboor

How many total carbon abms are there
in the reactants of cellular respiration?
How many total oxygen abms are there
in the reactants of cellular respiration?
How many total atoms of hydrogen are
there in the reactants of cellular
respiration?
How many total carbon atoms are there
in the products of cellular respiration?
How many total oxygen abms are there
in the products of cellular respiration?
How many total atoms of hydrogen are
there in the products of cellular
respiration?

Answers

Reactants:
1. 6 total carbon
2. 18 total oxygen
3. 12 total hydrogen atoms
Products:
4. 6 total carbons
5. 18 total oxygens
6. 12 total hydrogens

Explain why amylase will not speed up the breakdown of proteins

Answers

Answer:

Amylase will not speed up the breakdown of proteins because it is the enzyme used for the breakdown of carbohydrates. Its active site will not fit the substrate of a protein molecule. To speed up the breakdown of proteins, protease is used insted.

Pumpkins grow by what cell division process?

Answers

Explanation:

Growing pumpkin for last 15years extends tomato cell division process

Answer:

mitosis  

Explanation:

mitosis, is the type of cell division in which parent cells get divided into two identical daughter cells.

Temperatures have dipped and tourists hoping to enjoy Florida's
balmy climes have been coats to keep warm.


deliberating
withholding
hovering
donning

Answers

Answer:

deliberating

Explanation:

2. Which specific cytoskeletal element is most susceptible to mitotic inhibitors?

Answers

Answer:

microtubules

Explanation:

Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.

What is Microtubules?

The third main component of the cytoskeleton, microtubules, are hard, hollow rods with a diameter of around 25 nm. Microtubules are dynamic structures that constantly assemble and disassemble within the cell, similar to actin filaments.

They have a role in a number of cell motions, including as some types of cell motility, the intracellular movement of organelles, and the division of the chromosomes during mitosis, in addition to determining the shape of the cell.

Microtubules, which typically consist of 13 linear protofilaments arranged around a hollow core, are created when tubulin dimers polymerize to generate them. The head-to-tail arrays of tubulin dimers that make up the protofilaments are organized in parallel.

Therefore, Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.

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which of these is an effect of an algal bloom

Answers

Answer:

An increase growth in microorganisms results in oxygen depletion

Explanation:

The growth of algal bloom is caused due to excessive runoff rich in the nutrients like nitrogen and phosphorous. This run off comes from the agricultural field.

These nutrients aids in the growth of the algae(microorganisms) in large number. This growth forms a layer on the water body and use the oxygen present in the water and makes the water oxygen deficient.

What is the name of the process That forms to DNA molecules from 1? Lol help plz (UwU)

Answers

Answer:

Replication

Explanation:

Think its correct

Changing the structure of the transmembrane domain in the MC4R receptor, which would result in:
A. an increase in MC4R signalling
B. an elongated C-terminal
C. an inability for the receptor to be embedded in the cell membrane correctly.
D. an overexpression of MC4R at the cell membrane

Answers

Answer:

Answer is C

Explanation:

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Consider the global 'Greenhouse Effect", where thermal energy from the sun is naturally trapped by 'greenhouse gases' present within the Earth's atmosphere. A majority of heat generated from this process is then absorbed by the world's oceans, where it is sequestered and stored. What are some of the predictable consequences recently observed over the past 40-50 years with the observed rise in Global Mean Temperature, correlate with an increase in greenhouse gas emissions from burning of fossil fuels across that same period?
a. retreat of winter and summer sea ice, decreasing the amount of solar energy directly absorbed into the oceans
b. warming of deep ocean water and increased evaporation at the surface
c. warming of oceanic surface temperatures, driving the formation of more powerful hurricanes & rainstorms
d. thermal expansion of oceanic water, leading to mean global sea level rise
e. melting of Himalayan glaciers and collapse of Antarctic ice shelves into the sea

Answers

Answer: it would be C e is correct however but that’s already happened. So that wouldn’t be much of a prediction. Hope this helped :)

Explanation:

Thermal expansion of oceanic water leads to a main global sea level rise. So the correct option is D.

What is the greenhouse effect?

Because it absorbs heat in the form of infrared light from the Sun, a greenhouse gas circulates that heat throughout the atmosphere before losing it to space. Although it has a considerably smaller impact on global temperatures, greenhouse gases also speed up the pace at which the environment can collect short-wave radiation emitted by the Sun.

More heat from the Sun is being trapped in our atmosphere thanks to the accumulation of CO2 that is emitted after the combustion of fossil fuels. Human-made acts are referred to as anthropogenic actions, and the emission of CO2 is one such anthropogenic activity that adds to the current heightened greenhouse effect.

A greenhouse gas's contribution to the greenhouse effect is determined by how much energy it absorbs, how much it reflects back, and how much of it is present in the atmosphere.

Therefore the correct option is D.

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please help i dont know how to do this at all I need to do it within 1 hour will give brainliest.

Answers

Answer:

?

Explanation:

Answer:

Well you just have to place one next to the other in that same order

Explanation:

What are worn out tissues

Answers

Answer:

Humans require food substances to supply the components necessary to build tissues, to repair tissues as they wear out and die, to keep the body in good working condition, and to supply fuel for energy. For good nutrition a person should eat a well-balanced diet, that is, one that provides an adequate amount of each of the classes of nutrients each day.

Explanation:

Which of the following is the characteristic of both weathering and erosion

Answers

Answer:  It occurs naturally

why do stem get modified give any three examples and explain how this notification help the plant​

Answers

Answer:

underground stem -- for storage of food ex. potato , ginger.

spines for protection ex. citrus , bougainvillea

Explanation:

Rhizomes and corms are underground stems, modified for the storage of food. Also, these stems help in vegetative reproduction of these plants. The tips of the underground stem in potato plants become swollen due to the accumulation of food. The potato is a tuber that helps in the storage of food and bears eyes on it.

2
What are the three main things that bacteria need to survive?
ОА
food, water, oxygen
Ов.
dirt, space, heat
Ос.
ice, incubation, oil
OD
fat, liquid, nitrogen

Answers

B, dirt space and heat.

The three main things that bacteria need to survive are dirt, space and heat. Thus option B is correct.

What are bacteria?

Bacteria are defined as a creatures without a proper nucleus and only a few organelles that are prokaryotic unicellular organisms.

It can also be defined as the creatures with simpler cells than many others, such as bacteria.

There are five types of bacteria classified on the basis of there shapes.

Spherical shape (Cocci)Rod (bacilli)Spiral (spirilla)Comma (vibrio's) Corkscrew (spirochetes)

Three distinguishing characteristics of bacteria are:

Their lack of membrane-bound organelles, Their unicellularity, Their small (often microscopic) size.

Not all prokaryotes are bacteria; others are archaea, which, despite sharing some physical characteristics with bacteria, are unrelated to bacteria in origin.

Thus, the three main things that bacteria need to survive are dirt, space and heat. Thus option B is correct.

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PLEASE HELP WITH THIS ONE QUESTION

Answers

Answer:

one negative one positive feedback loop

How humans have contributed to the extinction of plant or animal species?

Answers

Answer:

Humans have a big impact on the extinction of animals. Some things that humans do that effect extinction include: Poaching is when someone illegally hunts or catches animals. Some animals that are commonly poached are elephants and rhinos for their tusks.

Explanation:

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