During dna replication, the enzyme that unwinds and separates the dna double-helical molecule is?

Answers

Answer 1

During DNA replication , Helices enzymes is that enzyme which unwinds and separates the double helical molecule.It remodel nucleic acid or nucleic acid protein complexes.

The DNA and RNA helices . DNA is important during DNA  replication because separate  double stranded DNA into single strands allowing each stands to be copied.Helices enzyme unwind the DNA at position which is called as origins where synthesis will be initiated.Then forming a structure which we called as replication fork, appeared like a fork.

This process of breaking the bond between hydrogen between the nucleotide base pairs in double stand DNA require energy which is stored in the form of ATP.

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Related Questions

how do we know that change is taking place around us ? what is the need to study change ? explain some example​

Answers

Answer:

Specialisation in the knowledge society and its need

Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.

Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.

Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.

Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.

Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.

Explanation:

Match each term to the appropriate description.

Answers

Answer:

Have a great day!

Explanation:

The appropriate term for each description would be ecosystem, community, population, organism, and species respectively.

Definition of ecological terms?

An ecosystem is a community of all living organisms interacting with their environment as a system.

A community is a collection of different populations of organisms.

A population is a group of organisms of the same species capable of mating.

Species are a group of organisms that is capable of breeding to produce fertile offspring.

Thus, the term for each description would be ecosystem, community, population, organism, and species respectively.

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The North Pole and the South Pole are

A:Classified as tundra biomes

B: Not home to any animals

C: not classified into major biomes.

D: Part of Aquatic Ecosystems​

Answers

D part of aquatic ecosystems

Answer:

A

Explanation:

classified as tundra biomes

What is the definition for polyploidy?

Answers

containing more than two homologous sets of chromosomes.

3. What might happen to the ecosystem if this population were removed?

Answers

Answer:

More predators kill more prey, which, along with food scarcity, decreases the population.

Explanation:

Answer: ''Population Explosions The most obvious result of the removal of the top predators in an ecosystem is a population explosion in the prey species. ''

Explanation:


What would happen if there was too much Carbon Dioxide in the atmosphere? What if there were no processes to pull Carbon
Dioxide out of the atmosphere?

Answers

We would die because if humans take in to much Carbon Dioxide but no oxygen it would become harder to breathe CD poisoning can effect the central nervous system. The earth would turn very hot and increase the process of global warming

science animal cell, please help thanKS ASAP

Answers

Answer:

a (so 6)

Explanation:

I hope this is helpful :)

Arrange the following concepts from simplest to most complex: Chromosomes, DNA, Genome, Gene

Answers

Answer:

DNA -> Gene -> Chromosome -> Genome

Explanation:

A genome is an organism's complete set of DNA including all of its genes. Each genome contains all of the information needed to build and maintain that organism. Chromosomes are the threadlike structures located inside the nucleus of animal and plant cells. A gene is the basic physical and functional unit of heredity.

The material and components that are vital for the growth and functioning of an organism that gets inherited from parent to offspring are the components of genetic information.

From simplest to complex they are arranged as:

DNA ⇒ Gene ⇒ Chromosome ⇒ Genome

DNA is the deoxyribose nucleic acid and is the genetic material that transports the instruction for development and function for growth.

Gene is a unit of hereditary that codes for gene products.

DNA molecules packed as a thread-like structure is called chromosomes.

The entire set of genes that pass from parent to offspring is called the genome.

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Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions

Please is for today :(

Answers

Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee

Explanation:

What will happen if you cross a white (bb) rabbit with another white (bb) rabbit?

Answers

Yes that’s absolutely right

What is the the process responsible for the synthesis of proteins and mention the cellular structure where the genetic program responsible for this synthesis is located.

Answers

Answer: Translation

Explanation:

During the transcription the double stranded DNA act as a separate template  strand to produce mRNA molecule. The mRNA molecule encode for amino acid chain that collectively forms the protein. The ribosomes are the sites of protein synthesis the mRNA get attached to the ribosome. Within the ribosome the rRNA molecule instruct the catalytic steps for the synthesis of protein. The amino acid sequence or chain gets stitched together to form the protein.

PLEASE ANSWER ALL QUESTIONS! THANKS!

Which of the following statements about salinity is true?
Question 1 options:

Ocean water near areas with low evaporation has higher salinity.


Ocean water in regions with high levels of precipitation has higher salinity.


Ocean water near rivers has a lower salinity.


Ocean water in areas with high humidity has a higher salinity



How are latitude and temperature related?








Question 2 options:

Lower latitudes will have warmer water because it is closer to the equator.


Higher latitudes will have warmer water because it is closer to the equator.


Higher latitudes will have warmer water because it is closer to the poles.


Lower latitudes will have warmer water because it is closer to the poles


How does salinity vary with freezing and melting?









Question 3 options:

Both freezing and melting decrease salinity.


Both freezing and melting increase salinity.


Freezing decreases salinity, while melting increases salinity.


Freezing increases salinity, while melting decreases salinity.


How does salinity vary with evaporation?









Question 4 options:

When water evaporates, it takes salt with it, increasing its salinity.


When water evaporates, it leaves salt behind, increasing its salinity.


When water evaporates, it leaves salt behind, decreasing its salinity.


When water evaporates, it takes salt with it, decreasing its salinity.

Answers

Answer:

that guys answers are all wrong except for #3

Explanation:

i took the quiz and got 1/4

PLZ HELP I"LL GIVE BRAINLIEST

Answers

Answer:

gotchu

Explanation:

1. His symptoms consist of difficulty walking and an abnormal gait (pattern of movement such as walking, running, etc)

2. a. one purpose of the blood test was to test his creatine kinase enzyme to see if there were any medical conditions connected to the way he was walking and why it was abnormal

b. the other purpose is to be sure that he has something wrong with his gait. If he does have a medical condition, it was best to see if he had it early on to treat it faster

3. the function of dystrophin gene connects to the cytoskeleton of a fiber which has to do with brain function; we need that to walk. For DMD, that is a condition that alters the way people walk.

4. DMD is inherited from family's genes, so he got it from his birth family probably from his dad's part of the family as DMD effects men more than women

5. It is pretty likely as this medical condition is inheritably passed on. It is likely that his grandchild will get DMD

6. To treat DMD to the best of the ability since there isnt a cure, they could participate in physical therapy and steroids

True or False
Prokaryotic cells generally have a higher surface area to volume ratio than eukaryotic cells.

Answers

Answer:

true I think I just guessed

TRUE : Prokaryotic cells  generally have a higher surface area to volume ratio than eukaryotic cells

Eukaryotic cells are larger and complex when compared to prokaryotic cells which makes its surface area to volume ratio to be smaller than that of prokaryotic cells. cells are classified based on the arrangement  of their cell structures.

Prokaryotic cells are found in smaller organisms like Bacteria while Eukaryotic cells are found in larger organisms like Humans and Plants.

Hence we can conclude that based on the complexity and size of the Eukaryotic cell, the prokaryotic cells generally have a higher surface area to volume ratio.

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An example of a nucleotide is?

A. cytosine, ribose, and deoxyribose
B. guanine, deoxyribose, and phosphate
C. uracil, deoxyribose, and phosphate
D. thymine, ribose, and phosphate

Answers

Answer:

B

Explanation:

A nucleotide always consists of 3 things:

1. A sugar group (either ribose or deoxyribose, ribose if the nucleotide is from RNA, deoxyribose if it is from DNA.

2. A phosphate group

3. A nitrogenous base (A/T/U/C/G) This base depends on whether you have RNA or DNA, U is only for RNA. DNA has either A/T or C/G but never U.

all of the following are nucleus acids , except
a - adenine
b - iodine
c - guanine
d - cytosine

Answers

Answer:

iodine

Explanation:

Iodine is a chemical not a base. There are only 4 nucleus acids and these are adenine, thymine, cytosine and guanine.

The codon GAG becomes GTG due to a point mutation in the DNA, affecting the structure of the protein hemoglobin. What effect does this mutation have on the individual? WILL GIVE BRAINLIEST
The individual suffers from sickle cell anemia.

The individual suffers from myotonic dystrophy.

The individual suffers from Fragile X syndrome.

The individual suffers no negative effects.

Answers

i believe it to be the first one

Answer:

The individual suffers from sickle cell anemia.

Explanation:

Deformed red blood cells occur in 1 in 500 African Americans. This is caused due to a gene mutation called point mutation that alters the structure of the red blood cell. This alteration affects the cell's ability to carry oxygen.

Soil erosion can be BEST prevented by

- Heavily watering the vegetation on the slope

- Increasing the slope of the land by adding more soil

- Building terraces into the sides of a slope

- removing grass from the steepest slope.

I need help!!

Answers

Answer: Following are some of the methods of soil erosion prevention: Plant trees on barren lands to limit erosion of soil. Add mulch and rocks to prevent the plants and grass underneath to prevent soil erosion. Mulch matting can be used to reduce erosion on the slopes.

Answer:

Building terraces into the sides of a slope

What is the process by which an organism undergoes a dramatic change in form called?
1. Morphology
2. Metastasis
3. Photosynthesis
4. Metamorphosis

Answers

Metamorphosis through which the insect develops by four distinct stages: egg, larva, pupa, adult. A type of metamorphosis in which an organism's transformation is so dramatic that it is difficult to recognize the relationship between the larva and adult form.

Option 4) Metamorphosis

Answer:

4. Metamorphosis

1. Which statement is NOT true?

a. Metals tend to lose electrons and form cations, or positive ions.

b. Nonmetals tend to gain electrons and form anions, or negative ions.

c. Ionic bond is formed between two metals or two nonmetals.

d. Ionic bond is formed between a metal and a nonmetal.

Answers

Answer:

c.Ionic bond is formed between two metals or two non metals.

The answer is C-Lonic bond is formed between two metal or two nonmetals

Put "Gene Pool" in a sentence

Answers

Answer:

A gene pool is a collection of all the genes in a population. This can be any population - frogs in a pond, trees in a forest, or people in a town.

Explanation:

A femur is a leg bone found in a human skeleton. When evaluating the human body's levels of organization, a femur is best classified as —


A.
an organ, because it is part of the skeletal system.
B.
an organ system, because it is composed of many cells.
C.
an organelle, because it is composed of many tissues.
D.
an organism, because it is part of the skeletal system.

Answers

Answer:

Option A

Explanation:

The femur is classified as an organ, because it is part of the skeletal system

The level of organization is the order that includes cells, tissues, organs, organ systems, and organisms. The femur is a leg bone which is an organ which is a part of organ system called the skeletal system.

What is skeletal system?

The basic framework of body is skeletal system, which is consists of bones, connective tissue, tendons, ligaments, etc.

The four main parts of this system include:

Bone.Ligament.Tendon.Joint.

The femur is a leg bone which is an organ that is a part of an organ system called the skeletal system.

Thus, the correct option is A.

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please answer please, If we have a male hemophiliac (such as Leopold) marry a normal female, is there any way to have sons who have hemophilia? Provide a justification for your response.

Answers

Yes, hemophilia is a genetic condition, which means it can be genetically passed down to a male child, even if only one parent is a hemophiliac. The condition is also more common in male children, and is a sex-linked recessive disorder, and is carried on the X chromosome. The mother could also have the gene without actually having the disorder, so she could possibly be a carrier without knowing it, so it is possible for their son to have hemophilia, even if the dad is the only one with the gene.
Hope this helps!!

Due to the size of the Universe and the number of galaxies and stars in it, scientists must devise indirect ways to study it. Which of these represents the best way for scientists to study the Universe?

Answers

Answer:

A.  Scientists should create a graph showing a comparison of the relative sizes of all the galaxies and stars.

Explanation:

Due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.

What is the significance of the cosmology studies?

Scientists can conduct cosmology research in a variety of ways, including using computer simulations to model and predict the evolution of the universe and all of its materials, using gravitational lensing to measure the distribution of dark matter, and so on. Apart from that, the universe can be studied by using telescopes at various wavelengths,

Hence, due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.

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state birth control methods according to Islam view?​

Answers

oral contraceptives, condoms, coitus interruptus, injections, spermicides, subdermal implants

Answer:

Writings of Muslim jurists make it clear that Islam allows for the use of reversible methods of contraception (birth control), including oral contraceptives (birth control), condoms, coitus interruptus, emergency contraception, injections, subdermal implants, IUDs, spermicides, and diaphragms.

Explanation:

Im stuck in this question if you know please comment

Answers

Answer:

C

Explanation:

meiosis increases the genetic variability due to mixing of genetic material between chromosomes.

it produces genetic variation by a process known as recombination.

Disadvantages of smoking

Answers

Answer:

lung cancer

Explanation:

people die everyday due to smoking so we must take action also smoking has no benifits only losses

Estimate the number of cells that belong to each phase of the cell cycle. Then, explain how you made your decision and describe what occurs at each phase of mitosis.

Answers

Answer:

well, it starts from one parent cell, every complete phase makes. at least 4 and then i. think those can multiply

Explanation:

If a chromosome comes apart because it is not well attached at the center, 1 point
then there is most likely a problem with the

centromere
chromatids
chromatin
gene

Answers

Answer: The most problem is likely with chromatin

Explanation:

If a chromosome comes apart because it is not well attached at the center, The most problem is likely with chromatin.

What is chromosome ?

A chromosome is  a thread-like structure present in the nucleus of cells such as both prokaryotic and eukaryotic cell and it is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.

It is composed of three components, DNA, proteins and RNA,  amount of the DNA content ranges from 30 to 40 %, the amount of proteins from 50 to 65%, and small amount of RNA from 1 to 10%.

Two types of protein present in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).

The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome  is present in two forms such as Euchromatin and Heterochromatin.

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Which type of cell is considered the least complex?

Answers

Answer:

tissues.

organs.

organ systems.

organism.

Explanation:

Answer:

the answer would be tissues

Other Questions
our shortestPaths method is concerned with the minimum distance between two vertices of a graph. Create a minEdges method that returns the minimum number of edges that exist on a path between two given vertices. You can put your new method is our UseGraph class and use it to test your code. researchers in philadelphia investigated whether pamphlets containing information for cancer patients are written at a level that the cancer patients can comprehend . They applied tests to measure the reading levels of 63 cancer patients and also the readability levels of30 cancer pamphlets (based on such factors as the lengths of sentences and number of polysyllabic words). These numbers correspond to grade levels, but patient reading levels of under grade 3 and above grade 12 are not determined exactly. The following tables indicate the number of patients at each reading level and the number of pamphlets at each readability level. The dotplots reveal the distributions on the same scale (with "below 3" appearing at level 2 and "above 12 at level 13 for convenience). From the dotplots, what do see about the pamphlet's reading level in relationship to the patient's reading levels? What implications do this have? Explain why the form of the data does not allow one to calculate the mean reading skill level of patient. Determine the median reading level of a patient. (Be sure to consider the counts.) Determine the median readability level of a pamphlet. How do these medians compare? Are they fairly close? Does the closeness of these medians indicate that the pamphlets are well matched to the patients' reading levels? Compare the dotplots above to guide your thinking. What proportion of the patients do not have the reading skill level necessary to read even the simplest pamphlet in the study? (Examine the dotplots to address this question.) How well does the numerical analysis support the observations you made in question 1? MORAL of the Story: While measures of Center are often important, they do not summarize all aspects of a distribution. That is the titratable acidity of the sealion cove exhibit if a 50.0 mL water sample required 12.15 mL of 0.015 M sodium hydroxide to reach the titration endpoint Report your answer in meq/L. Hint, you are basically calcualting the concentration of acidic protons (H+ in the reaction below) in millimoles per liter (mmol/L). H*(aq) + NaOH(aq) --> Na*(aq) + H2O(l) use the formula for the present value of an ordinary annuity or the amortization formula to solve the following problem pv=$15000; i=0.02; pmt=$350; n=? These Are Selected Account Balances On December 31, 2022. Land $147500 Land (Held For Future Use) 224500 Buildings 1175000 Inventory 245000 Equipment 684000 Furniture 144000 Accumulated Depreciation 450000 What Is The TotalThese are selected account balances on December 31, 2022.Land$147500Land (held for future use)224500Buildings1175000Inventory245000Equipment684000Furniture144000Accumulated Depreciation450000What is the total amount of property, plant, and equipment that will appear on the balance sheet?$2675500$1925000$2225500$1700500 what is the cutoff frequency for a metal surface that has a work function of 5.42 ev? a) 5.02 x 10^15 Hz b) 3.01 x 10^15 Hz c) 1.60 x 10^15 Hz d) 2.01 x 10^15 Hz e) 6.04 x 10^15 Hz a mixture of which pair of 0.1 m aqueous solutions would constitute a buffer? (a) hcl and nacl (b) nh3 and nh4cl (c) hbr and kbr (d) hno3 and nh4no3 Use the Root Test to determine whether the series convergent or divergent.[infinity]leftparen2.gifn2 + 45n2 + 7rightparen2.gifnsum.gifn = 1 The search for unrecorded liabilities consists of procedures designed specifically to detect _______.A. significant unrecorded obligations at the balance sheet date (or as of an interim date)B. insignificant unrecorded obligations at the balance sheet date (or as of an interim date)C. significant unrecorded obligations at the income statement date (or as of an interim date)D. significant recorded obligations at the balance sheet date (or as of an interim date) Find f such that f'(x) = 8 f(16)= 76. f(x) = consider the structure for [co(nh3)5scn]2 . you have constructed a simple linear regression model and are testing whether the assumption of linearity is reasonably satisfied. select the scatter plot that indicates linearity: Based on the simulation, approximately how much longer will Earth be in the CHZ? a.820 million years b.12 billion years c.250 million years d.5.4 billion years What is the molecular weight of a peptide chain with 40 residues? 0.36 Da 60 Da O 4.4 kDa 5.5 kDa the process by which living things give rise to offspring is called A frequency modulated signal is generated by modulating the carrier signal c(t) = 20 cos(2n fet), with fc = 100 MHz The phase function of the FM modulated signal is known to be o(t) = 10 cos(6000nt). Determine 1. the average transmitted power of the FM modulated signal u(t), 2. the peak-phase deviation, 3. the peak-frequency deviation, 4. the bandwidth of the FM modulated signal. The pressure of water flowing through a 6.5102 m -radius pipe at a speed of 2.0 m/s is 2.2 105 N/m2. a.) What is the flow rate of the water? copper(ii) ion (cu2 ) can form a complex ion with nh3. write the formula for this complex ion. the ________________ statement immediately halts execution of the current method and allows us to pass back a value to the calling method. what is equation of a circle center (2,3)The passes through the point(5,3)