Can someone describe how the lac operon functions, and explain how it permits E. coli to produce the enzymes needed to break down lactose when it is present in the bacterium?

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Answer 1

Answer:

shawtylikeamelodyinmyheadthatixantkeepout


Related Questions

In a closed container, what happens to the pressure and motion of molecules when you add more molecules to the system? Please be sure to explain why this happens.

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When you add more molecules, the pressure increases and the notion of molecules slow down. This happens because it’s like filling a box and inside the box there is less room to move around as you fill it.

Answer: would the pressure increase?

Explanation:

Because more molecules are being put into the container.

fill in the blank. to form a multi cellular organism, a zygote must divide many times in a process called _____. Adult stem cells are considered _________, as they can differentiate into several different cell types in the tissue where they are located.

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Answer:

1. cell proliferation

2. multipotent

Explanation:

When members of a population come into an area, it is called
A demography
Bimmigration
C populations growth
Demigration

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The answer is D I hope it helped out! :)
Answer:
(D) Emigration
Explanation:
When a person or a traveler moves from his hometown or any other location to a new location it is said that he is an emigrant...

Hope it helps you‍♂️

What kind of cells can develop from unipotent stem cells?

Answers

Answer:

Unipotent stem cells are capable of differentiating into only one mature, terminally differentiated cell type. Spermatagonial stem cells are unipotent and only capable of developing into sperm cells.

Lymphoid progenitor cells can develop into T cells and B cells. Unipotent stem cells are capable of differentiating into only one mature, terminally differentiated cell type. Spermatagonial stem cells are unipotent and only capable of developing into sperm cells.

Which is the proper order for blood traveling through the systemic circuit? venae cavae Right arrow. arteries Right arrow. venules Right arrow. capillaries Right arrow. arterioles Right arrow. veins Right arrow. aorta venae cavae Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. aorta aorta Right arrow. arterioles Right arrow. arteries Right arrow. capillaries Right arrow. veins Right arrow. venules Right arrow. venae cavae aorta Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. venae cavae

Answers

Answer: its the second option

The right answer is option 2

Project: Analyzing Genetic Variation WRITE YOUR FOUR PARAGRAPH RESEARCH PAPER in the space provided below. Restate your claim. Describe the first evidence that supports your claim—in a paragraph and using your own words. Describe the second evidence that supports your claim—in a paragraph and using your own words. Provide a summary paragraph that restates your claim, and explains how your research defends your claim (a conclusion).

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Answer:

1st

Explanation:

Answers first you’re welcome

Describe wavelength, amplitude, and frequency in relationship to vision and hearing

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Explanation:

Visual and auditory stimuli both occur in the form of waves. Although the two stimuli are very different in terms of composition, wave forms share similar characteristics that are especially important to our visual and auditory perceptions. Waveforms of different types surround us at all times, however we only have receptors which are sensitive to specific types of wavelengths. In this section, we describe the physical properties of the waves as well as the perceptual experiences associated with them.

AMPLITUDE AND WAVELENGTH

Two physical characteristics of a wave are amplitude and wavelength (figure below). The amplitude of a wave is the height of a wave as measured from the highest point on the wave (peak or crest) to the lowest point on the wave (trough). Wavelength refers to the length of a wave from one peak to the next.

 

The amplitude or height of a wave is measured from the peak to the trough. The wavelength is measured from peak to peak.

 

   Wavelength is directly related to the frequency of a given wave form. Frequency refers to the number of waves that pass a given point in a given time period and is often expressed in terms of hertz (Hz), or cycles per second. Longer wavelengths will have lower frequencies, and shorter wavelengths will have higher frequencies 

Wavelength and frequency are inversely related so that longer waves have lower frequencies, and shorter waves have higher frequencies. In the visual system, a light wave's wavelength is generally associated with color, and its amplitude is associated with brightness.

Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a dirt-like substance that’s rich in nutrients. The next season, farmers use this substance as a natural fertilizer for their crops. A biology student has grown tomato plants for several years. Until now, he used an artificial fertilizer formulated for tomato plants. This fertilizer caused his plants to grow faster and taller than they grew in unfertilized soil. The student wants to know whether using natural compost will cause his tomato plants to grow faster and taller than his artificial fertilizer. How does the design of your experiment control for outside factors that may affect the results?

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Answer:

yes the fertile soil will grow faster and taller

Explanation:

the fertile soil will grow faster because  it has what the plant needs

The fertilizer will make it grow faster and always taller so yes indeed:)

are mutations good or bad

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Answer: Mutations can be good or bad.  

Explanation:

Both. Mutations can be good because it can help the species evolve to make survival easier. But they can also be bad because they can cause the opposite to happen.

A

Part D

Explain why your model improves upon the student's original model. How would your model help someone who was

learning about photosynthesis for the first time?

B

I U

x

X

Font Sizes

A- A.

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Answer:

See below

Explanation:

This new model perhaps better explains the elements required in order for photosynthesis to take place. Sunlight, water, carbon dioxide are essential for the plant so it can produce it own food. Someone who is not previously familiar with the process of photosynthesis needs to start from these basics and then further build on this knowledge.

Answer:

This model shows all the major molecules involved in the Calvin cycle and how they change at each stage of the process. This added detail would clarify that the Calvin cycle is a series of complex steps. The student’s original model didn’t show this breakdown at all, and it shows only the final products. This model also shows the number of each molecule created, which the original model doesn’t do.

Explanation:

PLATO Edmentum

why should gender selection be illegal

Answers

Gender selection should be illegal because god made you the gender that you are for a reason. Two it cost a lot of money. Three why can’t you just be happy with yourself.
it shouldn’t be illegal because people can change their gender however they want. if that’s what makes them happy then it’s there choice to do whatever they like with themselves and their money.

Hyponatremia is a condition in which the sodium in the blood is too low. Uncontrolled spasms, which are sudden, involuntary contractions of muscles, are among the symptoms of hyponatremia. Why do they occur? A. Sodium is needed to generate an action potential. B. Sodium makes up most of the myelin sheath. C. Sodium is the signaling molecule that transmits impulses across a synapse. D. Sodium controls voluntary movement, and potassium controls involuntary movement. Reset Next

Answers

Answer:

A. Sodium is needed to generate an action potential.

Explanation:

Action potentials are generated by the special types of the voltage-gated channels which are embedded in the plasma membrane of the cell.

These channels are shut when the membrane potential is near zero and the voltage-gated channels open only when the membrane potential is more than the threshold voltage.

When the channels are open then they allow the flow of sodium ions which ultimately changes the electrochemical gradient which rises the membrane potential. This rise in membrane potential generates the action potential.

juan earn $11 per hour and works at most 30 hours per week. identify the independent and dependent quantity in the situation, and find reasonable domain and range values​

Answers

Answer:

The hours are the independent variable.The wages/wk earned are ( $11/hr )x( hrs worked ) . This is the dependent variable ( depends on hours worked ) .The domain is 0 to 30 The range is 0 to 330

Explanation:

The hours are the independent variable and  should be plotted on the x-axis .

The wages/wk earned are ( $11/hr )x( hrs worked ) . This is the dependent variable ( depends on hours worked )  and should be plotted on the y-axis

---------------

Let +W+ = wages/wk earned

Let +h+ = hours/wk worked

The equation is:

+W+=+11h+

The domain is 0 to 30

( no hrs worked to 30 hrs worked )

The range is 0 to 330

( no wages eared to +11%2A30+=+330+ earned )

Up until now, no characteristics or qualities have been assigned to the predators and prey. Suggest a trait of the prey and a trait of the predators that might account for the results of your model. How do the results of your model help explain the process of natural selection in a predator-prey relationship?

Answers

Answer:

Predator foraging traits include;

body size (mass or length), gape size, hunting or foraging mode (for example, ambush or active hunting), and feeding mode (for example, chewing or suctorial) .

Prey vulnerability traits include;

body size (length and mass), body shape, defense (for example, physical or chemical protection), ability to avoid detection (crypsis or camouflage), mobility, ability to recognize and detect predators, and evasive or escape behavior (which can be elicited by physiological trait responses.

But whether or not predators engage with prey, or prey respond to predators in the first place, depends fundamentally on their relative body sizes (or predator gape and prey body shape). Pursuing prey that are too large or cumbersome can be harmful or energetically costly to predators, and pursuing prey that are too small may not be worth the energetic return.

As these populations continue to reproduce over time, the actions of natural selection can also change the species to make them better predators, or more defensive prey. Either way, this adaptation changes the entire predator prey dynamic. If one species cannot then adapt an appropriate defense, they may go extinct.

Explanation:

Hope it helps.

A predator is an organism that eats another organism. The prey is the organism which the predator eats. Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.

*PLEASE ANSWER* How can someone live smarter to reduce his/her carbon footprint? a.) live in a smart community b.) buy inefficient appliances c.) use incandescent bulbs

Answers

Answer:

a.) live in a smart community

Explanation:

A standard incandescent light burns through 50 watts of electricity per hour. Replacing an incandescent bulb with an LED bulb can save 6 tons of household emissions per year. Saving 6 tons of carbon emissions is the same as reducing your gas consumption by 700 gallons. (proving b wrong)

you can help reduce your carbon footprint and other greenhouse gases by using energy-efficient home appliances since they have lower emissions of harmful gases into the environment. (proving c wrong)

the answer is a. love in a smart community, by doing this they will use appliances that don’t affect the environment as badly as others

Microorganisms of a family of fungi, called the Lepiotaceae, live with leaf-cutter ants. The ants collect fresh leaves to grow the
fungus, and then they feed the fungus to their larvae. Another type of microorganism, a fungus of the Ophiocordyceps family, also
has a relationship with a type of ant. The spores of the fungus attaches to carpenter ants in order to complete its life cycle. The
spores spread into the ant's body and causes behavioral changes in the ant, eventually causing the ant's death.
What does this information demonstrate?

Answers

Answer:

Between the Lepiotaceael and the eaf-cutter ants, there is what we call mutualism. They both depend on each other buh no harm is done.

But between Ophiocordyceps family and the carpenter ants, it is called parasitic relationship. The Ophiocordyceps harms the carpenter ants.

Explanation:

Hope it helps.

keep up the good work kid

which of the following segments of the growth curve would starvation proteins be at their highest detectable levels?​

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No drawing ? If you can send it i might can solve it!
Attach a picture and I will help you!

Uses of microorganisms as Biotechnology include which of the following?

Answers

Answer:

Explanation:

question not complete bro

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This question is not complete
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