All of the following typically occur in the presence of high glucose and high lactose concentrations EXCEPT
a. enzyme II glucose is unphosphorylated.
b. cAMP concentrations are low.
c. E. coli will consume lactose before consuming glucose.
d. inhibition of LacY activity.
e. lactose is kept out of the cell.

Answers

Answer 1

All of the following typically occur in the presence of high glucose and high lactose concentrations EXCEPT - cAMP concentrations are low.

Both glucose and lactose play important roles in the growth of bacteria. They provide energy and are used as building blocks.

Glucose is used first because it is the most efficient energy source. Lactose is used after glucose has been used up.

If lactose is available, bacterial cells will eat it before they eat glucose. Bacterial cells use catabolite repression to switch to lactose metabolism when lactose is available but glucose isn't.

Cyclic AMP (cAMP) is a key regulator of the expression of many catabolic operons, especially those that help Escherichia coli break down carbohydrates.

It is made by adenylate cyclase, and when there is a lot of glucose, the amount of it goes down. This makes the amount of cAMP-CRP, which turns on the lac operon, go down.

Because of this, when there is a lot of glucose and lactose, there isn't much cAMP.

When there is a lot of glucose and lactose in the cell, two things usually happen: LacY activity is stopped and lactose is kept out of the cell.

When there is a lot of glucose and lactose in the cell, LacY's activity is stopped. This keeps lactose from getting into the cell.

The correct answer is cAMP concentrations are low.

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Related Questions

Complete the following sentence.
Wind power, hydroelectric dams, and tidal turbines are all examples of humans harvesting kinetic energy from natural sources and
energy for technological uses.
it into electrical

Answers

Renewable energy refers to energy that can be replenished.

What is renewable energy?

The term renewable energy refers to energy that can be replenished. It can never be exhausted.  Wind power, hydroelectric dams, and tidal turbines are all examples renewable energy sources.

Hence, in order to complete the question; Wind power, hydroelectric dams, and tidal turbines are all examples of humans harvesting kinetic energy from natural sources and renewable  energy for technological uses and converting it into electrical energy.

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suppose that every year, one half of the population has two offspringss per person, and the other half has none. if all members of the population die after a year, what is the resulting growth rate?

Answers

If all members of the population die after one year, the resulting growth is zero, because all that were born died.

The Theory of The Demographic Transition describes four interconnected proportions which are expressed according to stages by the growth and changing conditions of the population.

The first stage, if the death rate is high in proportion to the birth rate, results in a zero-growth rate.In The second stage, if the death rate declines not accompanied by a decrease in the birth rate, it will produce a positive growth rate and continue to increase.The third stage, if the death rate continues to fall and is accompanied by a decrease in the birth rate, it will result in positive growth but a decline.In The fourth stage, if the death rate and birth rate are also low, then the result is diminishing growth which will eventually reach zero (zero).

In this question, the death rate and birth rate are proportional because all of the population after one year of death, the population growth is zero.

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Part of a plant where vegetative propagation will NOT occur:

Roots
Leaves
Buds
Stems
Flowers

Answers

Answer:

In flowers vegetative propagation will not occur

Answer: the flowers

Explanation:  flowers are the reproductive organ of flowering plants. it makes seeds

the y chromosome does not contain any genes at all. true or false

Answers

False. While it is true that the Y chromosome is smaller than the X chromosome and contains fewer genes, it still carries several important genes that are necessary for male development and fertility.

These genes include SRY (sex-determining region Y) which triggers the development of male sex organs, as well as genes involved in sperm production and fertility. Additionally, the Y chromosome has been found to play a role in other functions in the body, such as regulating blood pressure and immune system responses. While the Y chromosome may not contain as many genes as other chromosomes, it is still an important part of human genetics and biology.

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A single entity has been discovered that shows many of the characteristics of living things including
growth, organization, and the ability to maintain homeostasis. However because it does not
reproduce, it is not considered a living thing
A) true
B)false

Answers

Answer:

true

Explanation:

every living thing reproduces

Who first came up with the idea that the universe began with a big bang?

Answers

Answer:

The answer to your question is Georges Lemaître.

FILL IN BLANK !!!Question 10 options:
DNA contains genes that can be read to create------------------
that directs the ribosome to build certain--------------------
as needed by specific cells or situations.

Answers

Answer:

DNA contains genes that can be read to create messenger RNA  that directs the ribosome to build certain proteins as needed by specific cells or situations.

Explanation:

DNA is a nucleic acid that contains in its structure a specific sequence of nucleotides, whose quantity and order determine the genetic information of an individual. A chromosome consists of a DNA molecule, and each fragment of this molecule constitutes genes with specific instructions for determining structural and functional characteristics.

Transcription is the process by which DNA can be read and transcribed into messenger RNA (mRNA), a molecule that carries the genetic code to the ribosomes for protein synthesis, in a process called translation.

When a cell needs to synthesize a specific protein, transcription and translation mechanisms occur so that the protein can be synthesized.

I small town in the piney woods of East Texas has a soccer field composed of native
grasses. The soccer field is mowed once a week.
What effect does continual mowing have on the ecology of the field?

Answers

The continuous mowing of a soccer field made up of native grasses in a small community in the piney woods of East Texas can have a number of consequences for the field's ecology.

For starters, frequent mowing can reduce plant variety because some native grasses are more susceptible to being cut and removed by the mower than others.

This can lead to the dominance of certain grass species that are more resistant to mowing, which can have an effect on the field's ecology and change the plant community composition.

Second, frequent mowing can cause soil compaction, which can harm the health of the grasses and other plants in the area. Plants struggle to develop deep roots in compacted soil, making them more vulnerable to drought and other environmental stresses.

Finally, frequent mowing can have an effect on the wildlife that lives in the field. Mowing can deprive animals of cover and nesting sites, as well as disturb and potentially hurt ground-dwelling animals like snakes and rodents.

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Why the cell is called as smallest?

Answers

Because the cell is the most essential building element of every living entity, the cell is the most basic unit of life.

Robert Hooke discovered cells in 1665. Under a compound microscope, he examined a piece of cork and discovered that it included minuscule shapes that were suggestive of houses.

The cell is a scientific publication that publishes research papers across a wide variety of subfields that fall under the umbrella of the life sciences. The papers are reviewed by experts in those fields.

Molecular biology, cell biology, systems biology, stem cells, developmental biology, genetics and genomics, proteomics, cancer research, immunology, neuroscience, structural biology, microbiology, virology, physiology, biophysics, and computational biology are some of the fields that are covered in this course.

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What is the predicted precipitation for the area where Salem, OR is located? (What colors?)

What is the predicted precipitation for the area where Salem, OR is located? (What colors?)

Answers

The predicted precipitation for the Salem, OR, area is mixed precipitation, as shown in purple and as shown in the second option, and on the map, different geographical areas are shown.

What is the importance of the map?

The map is important as it explains the different regions of the earth and their climate, geographic behavior, etc. and gives an idea of population, animals, plants, and human behavior. Depending upon the map, the biodiversity, the rain pattern, etc. are seen.

Hence, the predicted precipitation for the Salem, OR, area is mixed precipitation, as shown in purple and as shown in the second option, and on the map, different geographical areas are shown.

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helppppppppppppppppp

helppppppppppppppppp

Answers

Answer:

Choose the corresponding number. (The answer is explained in the explanation in the biological terms).

Explanation:

The label that points to the part of the ATP synthase that is like the blades of a turbine is labeled "F1." The F1 component of ATP synthase contains the catalytic sites responsible for synthesizing ATP, and it rotates like a turbine to drive the synthesis of ATP. Similarly to how the blades of a turbine are moved by water or wind, the F1 component is rotated by the flow of protons through the enzyme, which generates the energy needed to produce ATP.

Which factors determine whether a cell is G0

Answers

Answer:

A period in the cell cycle in which cells exist in a quiescent state. GO phase is viewed as either an extended G1 phase. Which factors determine whether a cell enters G0? It depends on the organisms stage in development.  It is the phase of the cell cycle during which a cell is neither dividing nor preparing to divide. During this period the cell performs regulatory and its basic cellular functions. The cell cycle typically refers to the process by which the cell can grow and repair itself.

Explanation:

The image below shows plant cells. plant cells What feature of cells is best demonstrated in the image? A. All organisms are made up of a large number of cells. B. Cells are formed from other cells within the same tissue. C. All organisms have cells with different shapes and functions. D. Cells are the basic units of structure and make up tissues.

Answers

The feature of the cells that is best demonstrated in the image below is that All organisms have cells with different shapes and functions. That is option C.

What is a cell?

A cell is the structural and functional unit of a living organism which is made up of membrane bound organelles that also function together for the survival of the living organism.

There are two major type of cells which include the following:

The plant cell andThe animal cell.

The plant cell is made up of the following structures:

plant cell wall,plant cell membrane, smooth endoplasmic reticulum, ribosomes, rough endoplasmic reticulum, vacuole, nucleus, peroxisomes, Golgi apparatus, mitochondria, cytoplasm, cytoskeleton, and plastids.

The diagram above is being magnified in a way as to show these listed structures of the plant cell.

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The image below shows plant cells. plant cells What feature of cells is best demonstrated in the image?

How are blood plasma extracellular fluid and lymph interrelated.

Answers

Answer:

A drop of plasma can become a drop of extracellular fluid and then a drop of lymph. Pressure in capillaries forces blood plasma out of the capillaries and into interstitial spaces. The fluid, now called interstitial fluid, becomes lymph as it flows into lymphatic vessels. These vessels return the lymph to the blood at the subclavian veins.

A. tissues in which similar cells function together.
B. organs to help carry out a specific function
C. systems that are responsible for a specific function
D. organelles that carry out different functions.

A. tissues in which similar cells function together.B. organs to help carry out a specific functionC.

Answers

Answer:

i think it's

c) systems that are responsible for a specific function.

hope it will help you........

Please mark Brainliest

Can u plz tell me five facts about the primary succession?!

Answers

1- starts with bare rock
2- takes longer than Secondary succession
3- Volcanic eruptions, glaciers, explosions etc are some ways it starts
4- starts after a disturbance
5- it’s the process of changes in an ecosystem
I hope those are good!

Why is a protein inactive when it is denatured

Answers

It loses it shape through heat or acidicity

In what year did camillo golgi find golgi bodies and what did he use and how did he use it? I need the answer quickly!!!!!!!!

Answers

Answer:

Camillo Golgi was an Italian scientist who discovered Golgi bodies in 1873. He used them as a landmark to describe cellular structure in the brain. They're composed of stacks of membranes, each one containing a set of proteins called Golgi apparatus proteins. This stack can extend from 1 to 10 micrometers thick

Answer: He established two types of malaria, tertian and quartan fevers caused by Plasmodium vivax and Plasmodium malaria respectively. In 1886, he discovered that malarial fever (paroxysm) was produced by the asexual stage in the human blood (called erythrocytic cycle, or Golgi cycle).

How many genes make up the human genome?
four: adenine, thymine, guanine, and cytosine
23 pairs of genes
20,000–25,000 genes
3 billion genes

Answers

About 20,00025,000 genes make up the human genome.

GENOME:

Genome of an organism refers to the total genetic makeup of that organism. It includes all the genes present in the organism.

Genes are the basic unit of inheritance found on (deoxyribonucleic acid DNA).

A project called Human Genome Project worked to determine the sequence of the human genome and its constituent genes and it was estimated that humans have between 20,000 and 25,000 genes.

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C: 20,000–25,000 genes

What does the breakdown and absorption of minerals look like step by step and which organs are involved?

Answers

Answer:

During the process of absorption, nutrients that come from the food (including carbohydrates, proteins, fats, vitamins, and minerals) pass through channels in the small intestine into the bloodstream. The blood works to distribute these nutrients to the rest of the body.

Explanation:

A plant can continue on with photosynthesis if it loses all of its chlorophyll because it contains other pigments like carotenoids. True or False?

Answers

Answer:

It's false, without chlorophyll a plant can't produce food meaning no photosynthesis.

Answer:

false.

Explanation:

because if a plant doesn't have energy it will die

How are the AEST certifications meeting Industry Needs?

Answers

Answer:

AEST Certifications are meeting industry needs by identifying workers with specific, employer-demanded knowledge, skills and abilities to support hiring practices and fill the gap in employment needs.

Explanation:

AEST Certifications are meeting industry needs by identifying workers with specific, employer-demanded knowledge, skills and abilities to support hiring practices and fill the gap in employment needs.

Explanation:

AEST - Agriculture Education Services And Technology

by producing vast amounts of compost annually, this facility in edmonton focuses on wasteprevention in dealing with solid waste, as represented by thegreen (b) arrows in the preceding flowchart.

Answers

The facility in Edmonton focuses on waste prevention through the annual production of vast amounts of compost.

The facility in Edmonton takes a proactive approach to solid waste management by emphasizing waste prevention through the production of compost. Composting is a natural process that transforms organic waste materials into nutrient-rich soil amendment. By diverting organic waste from landfills and converting it into compost, the facility contributes to reducing the overall volume of solid waste generated in the area.

Composting offers several environmental benefits. Firstly, it helps to decrease the amount of waste being sent to landfills, which helps to extend the lifespan of these facilities and reduces the need for new ones. Additionally, composting organic waste prevents the release of harmful greenhouse gases, such as methane, which are generated when organic matter decomposes in landfills. By diverting organic waste to the composting facility, these greenhouse gas emissions are significantly reduced, contributing to mitigating climate change.

Furthermore, the compost produced at the facility serves as a valuable resource for soil enrichment. The nutrient-rich compost can be used in agriculture, horticulture, and landscaping, improving soil health, water retention, and overall plant growth. By utilizing compost, farmers and gardeners can reduce their reliance on synthetic fertilizers, which can have negative environmental impacts.

Overall, the facility in Edmonton plays a vital role in waste prevention and sustainable solid waste management by focusing on the production of vast amounts of compost. This approach reduces landfill waste, mitigates greenhouse gas emissions, and provides a valuable resource for soil enrichment.

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Seven cups of instant coffee contain 315 mg of caffeine.
How much caffeine is there in one cup of instant coffee?

Answers

Answer:

45 mg of caffeine in one cup of instant coffee.

315 divided by 7= 45. So one cup contains 45 mg of caffeine

In organisms of any domain, genetic information is encoded in DNA and transcribed into RNA. This happens because
A. organisms have both DNA and RNA, so transcription occurs instead of translation
B. organisms self-replicate , and they all do so in the same manner
C. organisms share a common ancestor, so they also all share core life processes
D. organisms use DNA to replicate, and they have RNA to store the genetic information

Answers

Answer: The correct answer is D. Organisms use DNA to replicate, and they have RNA to store the genetic information.

Explanation:

This is because DNA serves as the primary genetic material that stores the instructions for the development, growth, and function of all living organisms.

The process of transcription involves the transfer of genetic information from DNA to RNA, and it occurs in all organisms as a fundamental step in gene expression. The RNA molecules then serve as templates for the synthesis of proteins or perform various other functions, such as regulating gene expression, processing genetic information, and catalyzing biochemical reactions. Despite their diverse evolutionary histories and differences in genetic code, all living organisms share this core process of gene expression, which is essential for life.

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what characteristic of fungi explains the presence of both haploid and diploid fungal cells in the tissue samples from the infected patients?

Answers

Both haploid and diploid cells may be present because the fungus is capable of both sexual and asexual reproduction. The haploid cells may be the result of asexual reproduction, while the diploid cells may be the result of sexual reproduction. The presence of both types of cells may be indicative of the fungal life cycle stage, as well as the environmental conditions that favor either asexual or sexual reproduction.

The characteristic of fungi that explains the presence of both haploid and diploid fungal cells in infected tissue samples is their unique life cycle, which involves both sexual and asexual reproduction. Fungi undergo a process called alternation of generations, where they alternate between haploid and diploid stages of their life cycle.

During the sexual reproduction phase, haploid cells of opposite mating types fuse to form a diploid zygote. The zygote then undergoes meiosis, resulting in the formation of haploid spores that can develop into new fungal individuals. However, some fungi can also reproduce asexually through the formation of haploid spores that develop directly into new individuals without the need for fertilization.

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During part of the year, parts of Earth receive 24 hours of daylight. However, these areas are still very cold. Which choice best explains why the areas remain cold despite getting so much sunlight?
The areas are covered with ice, which helps regulate their temperature.
The tilt of Earth
The areas have a thicker ozone layer, which prevents direct sunlight from accessing them.

Answers

Answer:

Is it the tilt of the earth? Sorry if I'm wrong

Explanation:

Have you ever watched the dragon prince or miraculous tales of lady bug and cat noir

True or False. Vitamin e is not found in foods so it must be consumed from dietary supplements.

Answers

The statement that says Vitamin E is not found in foods so it must be consumed from dietary supplements is false.

Vitamin E is a fat-soluble vitamin that helps protect cells from damage induced by free radicals. This nutrient may be found in a range of foods and supplements, and it serves as an antioxidant to protect cells from damage caused by free radicals.

Vitamin E can be found in a variety of foods, including Fruits and Vegetables. Vitamin E is abundant in leafy greens like spinach, sweet potatoes, tomatoes, avocado, broccoli, and mango, to mention a few. Nuts and Seeds like Sunflower seeds, peanuts, hazelnuts, and almonds are examples of nuts and seeds that are high in Vitamin E. Vitamin E can be found in oils like wheat germ, sunflower, and safflower.

Vitamin E has a range of advantages, including:

It aids in the treatment of Alzheimer's disease and dementia as an antioxidant.It has anti-inflammatory properties that may assist with skin issues such as psoriasis and eczema.It can reduce the risk of cardiovascular disease.It can improve skin health, nail strength, and hair growth.It may reduce the risk of some cancers.

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This model of the cell cycle includes two arrows that each represent a process in the cycle.


What do the two arrows represent?

This model of the cell cycle includes two arrows that each represent a process in the cycle.What do the

Answers

Answer:

the order in which it is preformed.. sorry if in wrong

Energy flow through the ecosystem worksheets answers

Answers

Energy flow through the ecosystem is a process that involves the transfer of energy from one organism to another in an ecosystem. It is a fundamental process that drives the functioning of an ecosystem.

There are various worksheets available online to help students understand the concept of energy flow through the ecosystem. Some of the answers to these worksheets include:1. The Sun is the ultimate source of energy for all ecosystems.2. The energy from the Sun is captured by producers such as plants, which convert it into organic matter through photosynthesis.3. The energy stored in the organic matter of producers is transferred to consumers such as herbivores, which eat the plants.4. The energy stored in the organic matter of consumers is transferred to other consumers such as carnivores, which eat the herbivores.5. The energy stored in the organic matter of decomposers such as bacteria and fungi is released through the process of decomposition.6. The energy flow through an ecosystem is unidirectional and flows from the Sun to producers, to consumers, and finally to decomposers.7. The efficiency of energy transfer between trophic levels in an ecosystem is only about 10%, which means that only about 10% of the energy stored in one trophic level is transferred to the next level.8. Human activities such as deforestation, pollution, and climate change can have a significant impact on the energy flow through an ecosystem.

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