How does the operator region of DNA work to regulate gene expression?

Answers

Answer 1

Answer:

Explanation:

Operator region are region of DNA (deoxyribonucliec acid) that repressors protein binds to prevent transcription.

Repressor is an example of regulatory protein they regulate the rate at which transcription of operon occurs . A repressor functions when its bounded to the operator and it prevent enzyme RNA (ribonucliec acid)polymerase from moving to DNA to transcribe the nitrogenous bases by placing a complementary base pair.

Activators are other regulatory proteins that bounds to its DNA binding site and increases transcription of the operon.


Related Questions

what can the reader conclude about ecosystems based on the information of this passage

Answers

Answer: Ecosystems are so developing entities of biological communities

Explanation:

How do matter and energy interact in a food web or energy pyramid model?​

Answers

Answer: The higher up the pyramid the less energy there is.

Explanation: There is more competition

Answer:

At each link upward in a food web, only a small fraction of the matter consumed at the lower level is transferred upward, to produce growth and release energy in cellular respiration at the higher level. ... At each link in an ecosystem, matter and energy are conserved.

Explanation:

is anyone dominant for every trait is anyone recessive for every trait if not what does this show about dominace and recesssiveness of traits in people

Answers

There are traits assigned weather they are dominant or recessive. Ex. Brown hair is dominant. Blonde hair is recessive. Brown eyes are dominant, blue eyes are recessive

i dont know what to do for this​

Answers

Answer:

1. find the temperature in the area for longitude.

2. fine the times, and record them

Explanation:

Your right to safety means consumers have the right to a variety of competitive products in the marketplace.

Answers

Answer:

Yes i believe this is true

Explanation:

Which is the most specific group? *
A. Genus
B. Family
C. Order
D. Phylum

Answers

Answer: genus

Explanation:

C because it is used to identify the organisms

If someone crosses the black cat (BB or Bb) with white cat (bb) and 50 percent of the offspring are black, what is genotype of the black cat ?

Answers

The cat is bbbbbbbbbbbbb

Answer:

this cat is Bb

Explanation:

...........................................

Answers

Answer:

...............................................................................................................

How does blood help maintain the homeostasis in the body?

Answers

Answer:

Blood absorbs and distributes heat throughout the body. It helps to maintain homeostasis through the release or conservation of warmth. Blood vessels expand and contract when they react to outside organisms, such as bacteria, and to internal hormone and chemical changes.

Answer:

Blood absorbs and distributes heat throughout the body. It helps to maintain homeostasis through the release or conservation of warmth. Blood vessels expand and contract when they react to outside organisms, such as bacteria, and to internal hormone and chemical changes.

Explanation:

Which of the following best describes the division of cytoplasm and the cell membrane?
a:Cytokinesis
b:Sister chromatid
c:Spindle fiber
d:Centromere

Answers

Answer:

A: Cytokinesis

Explanation:

the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.

I needhelp with this plzzz

Answers

Answer:

you just need to create a hypothesis using the scientific enquiry and then put a fluid and try to find out the answer.

Question 5

5 pts

Jonathan consumes five 12 ounce beers throughout the day. How many additional

calories has he added to his diet?

710 kcals

630 kcals

490 kcals

280 kcals

Answers

The given options must be in the calories in approximate value.

Answer:

The best answer is - 710 calories approximately.

Explanation:

One ounce of the beer provides 12 calories and as it is given that Jonathan drinks five 12 ounce beers throughout the day then,

12 ounce = 12 × 12 × 5

=  144 × 5

= 720 calories

Thus,  it is found out that he has added 710 calories approximately to his diet additional.

4. Though all humans start off the same way, give a brief explanation about what make us all so different

Answers

Answer:

knolage and past experiences

Explanation:

what makes humans so different is how we were born and rained so 2 hummers were born and raised in the same way

Which has a lower albedo, a black sheet of paper or a white sheet of paper?

Answers

Well let's see, the substance with the highest albedo value will absorb less light and will reflect most of the light falling on it. The substance having the lowest albedo will absorb most of the lights falling on it. A black sheet of paper will absorb most of the light falling on it, so this means that a black sheet of paper will have the lower albedo

Which of the following is NOT in part of the natural selection process?

A. a species produces more offspring than can survive
B. an organism adapts to their environment causing variation
C. individuals competing with each other
D. fossils being formed

Answers

Answer:

the selection that is not a natural selection process is D: fossils being formed

Answer:

D. Fossils being formed

Explanation:

In the natural selection process, the point is that the animal which is best adapted to the environment survives, so their offspring can survive and produce more offspring that adapts. This is because organisms need to adapt to their environment to survive. Without natural selection, most animals would be too weak to live in their own habitat.

So when we see the answer choices, we have to ask if the species could continue to live and adapt.

A- the species produces more offspring that can survive. Yes, the species can continue to live and adapt.

B- an organism adapts to their environment. Yes, the species can continue to live and adapt.

C- individuals competing with each other. Yes, the better species will win, and continue to live and adapt

D- fossils being formed. No, this has nothing to do with the process of living and adapting. It is in fact the opposite, since it relates to the species dying.

So the answer is D

how transcription makes mRNA?

PLS ANSWER I REALLY NEED TO PASS MY THIS CLASS

Answers

Answer:

yehhhhhhhhhhhhhhhhhhhhhhhhh

Explanation:

1. In the process of (selective breeding / natural selection/hybridization/

DNA replication), plants or animals with desired traits are mated. By repeating

the process over many generations, useful plant strains or animal breeds are

developed. The process is an example of (bioremediation / natural selection /

biotechnology / feedback inhibition).

Answers

Answer:

selective breeding; biotechnology

Explanation:

Selective breeding is a type of artificial selection that consists of crossing plants/animals with desirable and heritable phenotypic traits in order to increase the frequency of such traits in progeny. Selective breeding can be considered as one of the first biotechnological techniques applied by humans. In the past, the selective breeding technique has allowed obtaining domesticated animals (e.g., dogs from wild wolves) and domesticated crops from their wild ancestors (e.g., maize from its wild ancestor teosinte).

The number of different species and the number of individual organisms describes...

A. An ecosystem

B. The biome

C. The biodiversity

Answers

The number of different species and the number of individual organisms describes the biodiversity

2. Just as in humans, systems interact in plants to maintain homeostasis and accomplish the functions of transport, reproduction, and response. What are some examples of plant processes that involve an interaction between stems, roots, and leaves?

Answers

Answer:

osmosis

Explanation:

plants use osmosis whic is moving water though a semipermial membrane to draw up water.  It moves from places of high conetartions of water (dirt)  has to  is less water (roots). When it does this the plant mains homeostasis by getting water up useing their xylem (tubes in stems) to the leaves.

Plants use osmosis which is moving water though a semipermial membrane to draw up water.

What do you mean by osmosis?

Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively-permeable membrane from a region of high water potential to a region of low water potential.

Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. Osmosis helps regulate the flow of water in and out of cells, which is crucial to their function.

The rate of osmosis always depends on the concentration of solute. The process is illustrated by comparing an environmental or external solution to the internal concentration found in the body.

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Lucas is carrying his rock collection into class. He carries 30 pounds of rare rocks 15 feet into Classroom 6. It takes him 3 minutes to get them into the classroom. What is Lucas's speed and how much work is done? Be sure to show your work with equations as part of your answer.

Answers

Answer:

450

Explanation:

You would multiply 30 by 15 then you will get your answer hope this helps

Answer:

work= 30 x 15

work= 450

foot pound

speed= distance/ time

speed= 15/3

speed= 5 ft per minute

Why do geologists think Earth's core contains mostly iron?
A. The crust contains a mixture of iron and silicon.
B. The crust contains no nickel.
C. Other orbiting bodies contain more iron than Earth's crust does.
O D. The moon's crust contains far less iron than Earth's crust.

Answers

Answer:

It should be D

Explanation:

I hope this helps! Let me know if I am wrong.

The geologists think Earth's core contains mostly iron is to be considered as the option c. Other orbiting bodies.

Reason for thinking of geologists:

Here the thinking should be earth core that comprises iron since the earth should contain the powerful magnetic field that is due to the molten iron in the core.

Also, there should be constant movement leads to the electrical current.

hence, the option c is correct.

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1. What phase of mitosis produces 2 daughter cells?
2. What is the name of the process that finally separates the daughter cells?

Answers

Answer:

1. Telephase

2. Cytokinesis

Explanation:

uhm, yeah. that's the answer.

What is classification

Answers

Answer:

the action or process of classifying something according to shared qualities of characteristics

Explanation:

A change in a person’s environment that is received by their nervous system

In the nervous system, a neural message is known as an ___________________.

Answers

Answer:

sorry I need points heheyehueueurhebebrbrrh

1. Which of the following is NOT a key factor important to the development of human society?
A. Access to clean water
B. Access to fertile soil
C. Access to cities
D. Access to natural resources

Answers

C., it’s the only answer that doesn’t include basic human needs.

Access to cities is not a key factor important to the development of human society, but clean water, fertile soil, and Access to natural resources all are needed, hence option C is correct.

What are factors important to the development of human society?

The preagricultural (hunting and gathering) stage, the agricultural stage, and the industrial stage are thus the at least three primary stages of societal evolution or civilizations.

Clean water is essential to our way of life because it creates a habitat for species and places to fish, paddle, surf, and swim. Our economy is reliant on clean water to operate and thrive. This includes industries like manufacturing, agriculture, tourism, recreation, and energy generation.

They support tax revenue, income, and the fight against poverty. Natural resource-related industries generate employment and frequently form the backbone of poorer towns' economies.

Therefore, natural resources are fundamentally important, so they must be managed responsibly.

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What percentage of mass of human body is made up of oxygen

Answers

Answer:

65% of oxygen

Explanation:

To name a few: Oxygen-65%, Carbon-18%, Hydrogen-10%

Answer: I believe the percentage of mass in human body that is made up of oxygen is 61% or something like that but I'm not sure.

In the following DNA sequence: CCC ATG GAG what do the T and C represent?

Answers

Answer:

T represents Thymine

C represents Cytosine

A represents Adenine

G represents Guanine

Explanation:

If you have anymore question just let me know :)

T represents Thymine, C represents Cytosine, A represents Adenine and G represents Guanine.

What is the structure of DNA?

Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid. The DNA of an individual can be found in almost all of their cells.

Deoxyribonucleic acid (DNA) is made up of the four nucleotides A, C, G, and T. These nucleotides are linked together by a backbone made up of alternating phosphate and deoxyribose sugar residues. The complementary pairs of these nitrogen-containing bases are governed by their capacity to generate hydrogen bonds.

DNA is located inside the nucleus, a specific region of the cell, in eukaryotic species.

Therefore, chromosomes are the name for this DNA that has been packed.

 

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can you answer all these pls​

Answers

Answer:

lol

Explanation:

xd

1 ) glucose + oxygen -> carbon dioxide + water
2) glucose + lactic acid
3) glucose is completely broken down...
4) mitochondria

Which of the following is true of binary fission?
It produces two identical daughter cells.
It requires two gametes to fuse.
It only occurs in animal cells.
It is the result of sexual reproduction

Answers

Answer:

I THINK THIS IS NUMBER FOURRRRRRRR

Explanation:

Parents pass traits to their offspring through____? *

Answers

heredity duehvaiabshsvshba
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