During cell replication, often pieces of nucleotides at the end of a DNA strand may be broken or lost. When this happens, does it usually affect the outcome?

No, because telomeres act as protection on the ends of DNA molecules so the code is preserved.
No, because DNA has repair mechanisms to replace the damaged nucleotides.
   Yes, because damaged nucleotides must be destroyed so the code is not fully read.
Yes, because genetic material can be lost and faulty proteins produced.

Will award brainliest!

Answers

Answer 1
I believe the answer is no because DNA has repair mechanism to replace the damaged nucleotides. DNA replication is a process that involves synthesis of a new DNA molecule from another DNA stand which acts as a primer. DNA polymerase is the enzyme that catalyses this activity, the enzyme checks out the work done by checking each nucleotide added. This process is called proofreading.
Answer 2

Yes, the answer is "No, because telomeres act as protection on the ends of DNA molecules so the code is preserved.


Related Questions

Bonds between amino acids are what type of bonds? covalent peptide hydrogen ionic

Answers

I guess it's peptide bond
hope it's true

Answer:

The correct answer will be covalent peptide bond .

Explanation:

Amino acids are the small molecules which act as building block of the proteins. Each amino acid consists of a central carbon atom called alpha (α)-C bonded to amino (NH₂) group, a carboxyl (COOH) group, hydrogen (H₂) atom and a variable side chain.

These amino acids form bond with each other by a process called dehydration synthesis process or condensation process in which a di-peptide bond is formed between α-amino (NH₂) group to α-carboxyl (COOH) group of next amino acid releasing water molecule.The bond formed between CO-NH groups is called a peptide bond. These peptide bond forms long linear chains of amino acids which form the primary structure of proteins.

Thus, covalent peptide bond is the correct answer.

The four-atom functional group -C(=O)NH- is called an amide group or (in the context of proteins) a peptide group.

Polypeptides and proteins are chains of amino acids held together by peptide bonds, as is the backbone of PNA.

In what structure of the mammalian cell are proteins synthesized?

Answers

Proteins are synthesized in ribosomes

Minerals are classified according to their what? 1)density 2)size 3)composition 4)color

Answers

Minerals are classified based on composition.

What organelle is analogous (same as) to a stomach in a stentor and other protists?

Answers

Food vacuole is an organelle that is same as a stomach in a sentor and other protists. Food vacuoles are a circular portion of the plasma membrane that encircles food particles in the cells. It has a digestive function containing material carried up during phagocytosis.
The protists are single-celled eukaryotic organisms. Like all other eukaryotes, they possess various organelles with different functions,
When it comes to digestion, the protists use lysosomes to digest the organic materials they have ingested through a food vacuole. The enzymes in the vacuole dissolve the molecules in order to make them usable for the cell.

The Florida Everglades is a unique wetland ecosystem that is constantly undergoing change. What are the main parts of this ecosystem?
A. All the water populations and the land populations.
B. All the populations of predators and plants.
C. All the abiotic factors.
D. All the populations and the surrounding environment

Answers

The correct answer is


D. All the populations and the surrounding environment

Answer: All the populations and the surrounding environment.

A discussion of what makes a site suitable for wind power

Answers

Any plot of land that has height to it, such as elevated farms or mountains is a good area to put windmills in because air is usually stronger in the air than down here.

The nurse is completing a sexual history on a client. the client reports a history of having a sexually transmitted infection (sti) which lies dormant in the body and can reoccur, but does not remember the name. which sti matches the client's description

Answers

I think the STI is Herpes infection. Herpes infection or herpes simplex is a viral disease caused by the herpes simplex virus. Infections are categorized based on the part of the body infected. For example oral herpes involves face or mouth. A person may show symptoms within days after contracting genital herpes, or it may take weeks, months, or years.

Answer:

Herpes

Explanation:

Herpes infection is a sexually transmitted infection (STI) which can happen to both male and female. This infection caused by Herpes Simplex Virus (HSV). The symptoms of this infection may not be visible immediately after the infection as the virus can remain in the body dormant for a very long time and the infection can recur.

Symptoms: Blisters, cold sores, pain in genital area, and vaginal discharge.

Cure: It is incurable but can be treated using medication.

Functional design involves ______. reliability, maintainability, and usability perceptual maps reverse engineering a feasibility study

Answers

Functional design is the design that describes how the product will perform. 
During the functional design three performance characteristics are considered. It involves reliability (the probability that a product will perform its intended function for a specified period of time), maintainability (the ease with which a product is maintained or repaired) and usability (the ease of use of a product or service).

Functional design deals with reliability, maintainability, and usability, which are essential for evaluating a product's quality. The design process also includes feasibility studies, functional analysis, and iterative testing to refine usability. UML is used to express systems design comprehensively for implementation.

Functional design involves reliability, maintainability, and usability. These attributes are critical when engineers focus on a product's quality during the design process. When prototypes are not tested adequately, it may lead to a design lacking in these aspects. Furthermore, to evaluate the quality of a design, one might look at how well the design satisfies certain criteria, which include the aforementioned attributes.

Part of the feasibility study in an IT project is to ensure that the technology used is appropriate and feasible for the project's goals. Functional analysis in the design phase helps in developing a design architecture that assigns the product's functional elements to its physical components. Effective treatments and design strategies often emerge from knowledge of functional analysis and iterative testing procedures. Usability testing often involves different stakeholders like municipality officials and IT department personnel and is conducted in an iterative manner to refine the design.

The systems design phase includes creating a blueprint for the entire system, which would be expressed using tools like the Unified Modelling Language (UML). A flat organizational structure supports cross-functional teams in evaluating design alternatives and implementing changes effectively.

Should access to healthy food be a right for everyone food inc

Answers

If it’s a yes or no question the answer is yes , I just don’t know how to explain it sorry

In a species of wild animal, claw size is determined by a combination of two allele. Allele Q codes for large, thick claws, while allele q codes for small, thin claws. Individuals with a heterozygous genotype possess claws of medium size. Members of the species depend on their claws to be able to burrow in the ground and find food. The ground in their area has always been soft, but gradual climate change has caused the dirt to become hard and compact. Which statement best predicts the change that will occur in the affected populations?

Answers

Due to the increasingly compact ground caused by climate change, the allele Q coding for larger, thicker claws will likely increase in frequency, leading to a decrease in the allele q frequency.

In a species of wild animal where allele Q codes for large, thick claws and allele q codes for small, thin claws, the gradual climate change causing the dirt to become hard and compact would likely favor the allele for larger and thicker claws. This is because a phenotype that allows for better burrowing in the hard ground would be beneficial for finding food and thus increase the individual's survival and reproductive success.

Considering this, the best prediction for the change that will occur in the affected populations would be that allele Q will increase in frequency, as individuals with larger, thicker claws are more likely to survive and reproduce, passing on allele Q to their offspring.

Hence, the correct statement is A. Allele q will decrease in frequency.

It is important to note that alleles do not become dominant or recessive to each other; dominance is a characteristic of the interaction between alleles that does not change by itself due to environmental factors.

How do lichens alter the abiotic environments to favor the establishment of other species of plants?

Answers

The lichens show mutualism and they are found in every biome of the Earth. The lichens have algae and fungus associated with them and they live in a mutualistic relationship with each other. Lichens can grow on soil where no other species can grow like rocks, barren soils and they enrich the soil on dying where other plants and trees can grow.

Lichens being pioneer species change the environment by building up the soil and liberating nutrients. Also the lichens contribute to the chemical weathering of the soil releasing phosphate along with erosion and weather conditions.

When the simple plants die, the wildflowers and other plants start growing replacing lichens or mosses.

From the above explanation it can be concluded that lichens alter the abiotic environment and favor other species of plants to grow by breaking down rocks from soil and providing nutrients.


Final answer:

Lichens, formed from a symbiotic relationship between a fungus and a photosynthetic organism, are capable of colonizing harsh abiotic environments. They contribute to environmental changes by breaking down rocks to create soil and fixing atmospheric nitrogen, making it available to plants. This enhances the nutrient profile of the environment, paving the way for the establishment of other plant species.

Explanation:

Lichens are pioneer organisms made up of a symbiotic relationship between a fungus and a photosynthetic organism, such as an alga or cyanobacterium. This union allows lichens to survive in harsh abiotic environments, often being the first living organisms to establish a presence.

One of the ways lichens contribute to environmental modification is by leaching nutrients from rocks and breaking them down, initiating the process of soil creation. This soil produced becomes a supportive substrate for the growth of other plant species.

Moreover, some lichen partnerships feature cyanobacteria which can fix nitrogen from the atmospheric air, converting it to a form usable by plants. This enriches the nutrient content of the soil, further aiding plant establishment.

These multifaceted roles of lichens, alongside their ability to survive in various environments, not only foster plant establishment but also contribute to ecosystem succession and stability.

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Darwin observed fossils of huge animals such as glyptodon why were these fossils of interest to him

Answers

I believe its is because the fossils of these animals looked like living species and they had a connection to the modern. A fossil is any preserved evidence of life from a past geological age, such as the impressions and remains of organisms embedded in stratified rocks. Fossils are created when organisms die, are in cased in dirt and rock, and are slowly replaced by minerals over time.

Fog generally develops around areas that are
A) hot and dry.
B) hot and wet.
C) cool and dry.
D) cool and wet.

Answers

Answer:The real answer is D

Explanation:

Answer:

The answer is D

The second-messenger mechanism of hormone action operates by ________.

Answers

The second-messenger mechanism of hormone action refers to a series of intracellular events that are initiated when a hormone binds to its receptor on the cell surface.

The second-messenger mechanism of hormone action operates by initiating a series of events inside the cell once a hormone binds to its receptor on the cell surface. These receptors then activate proteins within the cell, such as enzymes or ion channels. A very common second messenger in this process is cyclic AMP (cAMP), though other molecules can also serve this role.

Here's an example: When the hormone, such as adrenaline, reaches a target cell, it binds to a specific receptor on the cell membrane. The binding triggers the release of an enzyme inside the cell called adenylate cyclase. This enzyme then converts ATP to cAMP, the second messenger. The cAMP then initiates several intracellular processes, such as activating proteins or gene transcription, which leads to the cell's response to the original hormone.

Human activities have drastic effects on biomes. Match the human activities with the biomes they primarily affect.

Answers

Grasslands = Overgrazing
Freshwater = Withdrawing Water for Consumption
Rain Forest = Logging
Tundra = Oil Exploration and Drilling

Answer:

Grasslands = Overgrazing

Freshwater = Withdrawing Water for Consumption

Rain Forest = Logging

Tundra = Oil Exploration and Drilling

Explanation:

Yeah

Which example below is a concern related to the debate over plant biotechnology? see concept 38.3 (page 837)?

Answers

A good example which concerns relates to the debate over plant biotechnology

is introduced genes which spreads into related wild species and also leads to the creation of superweeds.

Plant biotechnology is termed as a set of techniques which are used to adapt for specific opportunities or needs.
For example, a single crop may be required to provide sustainable food, protection of the environment, health nutrition, and income.

Where in nature would you expect to find agar digesting microorganisms?

Answers

Inside the body of marine/aquatic organisms.

      First of all, what is agar? well, agar is just like a jelly, but it's different, it provides food for microorganisms to eat.

       Agar at almost all the times is taken from seaweed, but it's possible to find it inside other living beings in the ocean, such as red algaes, more specifically found in their cell walls. Answering the question, as you know, agar is a source of energy for microorganisms, it's used to develop a mircroorganism culture inside the lab, so most of the microorganisms we have nowadays use agar if it's available for them. There are some agar-digesting bacteria aswell found in a recent study from 1933 Harry E. Goresline.

Changes of middle adulthood usually include a decrease in what?

Answers

sex hormones
;z)
is the answer o your question  

Answer:

all of the above

Explanation:

Answer number 3 for me please

Answers

In prokaryotes, it is circular dna, naked (no associated proteins), plasmid often present, and there are one chromosome only,
While in eukaryotes, it has a linear dna molecule, associated with proteins, no plasmids, and there are two or more chromosomes.

If a species can adapt to a changing environment, or ____, its descendants will survive. a. evolve c. stay the same b. become extinct d. none of the above Please select the best answer from the choices provided A B C D

Answers

the answer to this is evolve.
The answer to your question is evolve

What would you expect to find bound to the stop codon at the a site?

Answers

There will be termination of translation. The stop codons (namely UAA, UAG, UGA) signal the ribosomal subunits to stop the translation process. In the ribosomal subunits, there will be a release factor bound to the stop codon at the A site.

Frank and his team are building sedimentation ponds to hold runoff water in a landfill. Which component of MSW landfill are they building?
cell
cover
bottom liner
storm water drainage system

Answers

The answer is storm water drainage system.

All of the options are components of the landfill but a storm water drainage system will allow to hold the runoff watter of the place.

It will keep the landfill as dry as possible and can be done in two different ways: By excluding liquids that come with solid waste or by keeping the rainwater out of the landfill.

The Iberian Lynx is a large cat that is native to Spain and Portugal. Over the last few decades, the lynxes' main food source, rabbits, have contracted a disease called myxomatosis. Myxomatosis causes death in rabbits. How would this most likely affect the population of the lynx in the coming years?
A.The lynx population would decrease since they won't have access to as much food


B.The lynx population would remain the same because they would adapt to eating other food


C.The lynx population would increase because they would produce more offspring to make up the difference


D.The lynx population would decrease because they would also contract the disease

Answers

The answer would be A. The lynx population would decrease since they won't have much access to food. When the rabbits die, the lynx would lack enough food to sustain themselves and hence die. The lack of food will also reduce the rate of mating and the chances of offspring survival. This will greatly decrease the population of the lynx.  

Final answer:

The most likely effect of myxomatosis in rabbits on the population of the Iberian Lynx in the coming years is a decrease in the lynx population. This is due to the lynx's reliance on rabbits as their main food source and the difficulty of quickly adapting to alternative food sources.

Explanation:

The question concerns how myxomatosis in rabbits would most likely affect the population of the Iberian Lynx in the coming years. Considering the dynamics between predators and their prey, a decrease in the rabbit population due to disease would lead to a decrease in the lynx population, as rabbits are their main food source. Historical data from the Hudson Bay trading posts showed a cyclical fluctuation in the populations of lynxes and their prey, indicating that the size of the lynx population is closely dependent on the size of its prey population. When prey numbers decline, whether due to disease or other factors, predator populations tend to decrease due to scarcity of food.

Additionally, ecological studies suggest that when a predator loses its primary food source, it can have significant downstream effects on the ecosystem. Examples include fewer cougars leading to an explosion of the deer population, which in turn alters vegetation and stream paths, or the decrease in certain large marine predators altering the populations of other marine species. While some predators may adapt by shifting their diet, the Iberian Lynx has a specialized diet primarily consisting of rabbits, making it difficult for them to adapt quickly to alternative food sources. Therefore, the most likely effect of a significant decrease in rabbits due to myxomatosis is a corresponding decrease in the Iberian Lynx population.

which plant has a visible leaf modification that will help it converse water in extremely dry environments?

Answers

Plant leaves sometimes have special adaptations to conserve water in extremely dry conditions. Some species of cactus have evolved with very small leaves. Smaller leaves in a dry environment means that there will be less water loss due to the process of transpiration. 

The Aloe Vera plant has thick waxy leaves. The thick leaves store water in the form of sap and so these plants are right at home in arid environments. 

Answer:

The answer is A or the cactus look-a-like plant

I just took the test and scored an 88% and this answer was correct.

Which substances do plants produce as waste products?

A. carbon dioxide and uric acid
B. oxygen and urine
C. carbon dioxide and urine
D. carbon dioxide and oxygen

Answers

i would go with d.) carbon dioxide and oxygen.
Hello, 

Here is your answer:

The proper answer to this question is option D "carbon dioxide and oxygen".

Your answer is D.

If you need anymore help feel free to ask me!

Hope this helps!

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an f2 generation. the results were as follows: 6022 yellow and 2001 green (8023 total). the allele for green seeds has what relationship to the allele for yellow seeds?

Answers

So Mendel got roughly 75% yellow and 25% green in f2.  This means that f1 contains all heterozygous genes, as shown below

       Y      y
Y    YY   Yy
y     Yy    yy
Summary: 75% YY or Yy, 25% yy

Which means that green (y) is a recessive phenotype, while yellow  (Y) is a dominant phenotype, since plants with heterozygous genotype Yy express the yellow trait.

When cells leave the cell cycle, they exit during G1 phase and then enter G0 phase, a resting period. Most normal cells can leave G0 phase and reenter the cell cycle at G1 phase before entering S phase. Cancer cells are different because they cannot enter G0 phase and are likely to do which of the following? A) Fall to complete S phase B) Mutate during G1 phase C) Repeat the cell cycle continuously D) Die after completing mitosis

Answers

The appropriate answer for this one is C. Cancer cells divide uncontrollably and therefore the cell cycle would be continuously divide. To add, there is a term known as terminally differentiated cells. These cells that never enter the cell cycle again, meaning they stay in G0 and never divide. However, some cells can be triggered to depart G0 and re-enter G1, which permits them to divide again.
Final answer:

Cancer cells do not enter the G0 phase and instead continuously repeat the cell cycle, leading to uncontrollable cell division and the formation of a tumor.

Explanation:

The subject of the question is the behavior of cancer cells in relation to the cell cycle. Typically, cells follow a cycle of growth and division consisting of key stages such as the G1 phase, S phase (during which DNA is replicated), and G2 phase. This cycle includes an important resting phase known as the G0 phase, where cells are not actively preparing to divide.

Some cells enter the G0 phase temporarily until environmental conditions improve or an external signal triggers the onset of the G1 phase. However, cancer cells behave differently and do not enter the G0 phase. This is why option C, 'Repeat the cell cycle continuously', is the best answer. This distinction relates to the fact that cancer cells divide uncontrollably, resulting in the formation of a tumor.

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The overall function of the calvin cycle is _____. see concept 10.3 (page 201) the overall function of the calvin cycle is _____. see concept 10.3 (page 201) producing carbon dioxide oxidizing glucose splitting water capturing sunlight making sugar

Answers

I believe the answer is making sugar. The primary function of the calvin cycles is to make organic products the plants needs using the products from light stage of photosynthesis (ATP and NADPH). These products include glucose, the sugar made using carbon dioxide and water, and also protein (using nitrogen fixed from the soil) and lipids (fats and oils). Calvin cycle produces 3-carbon molecules which are then converted into hexoses (6 carbon) sugar, glucose.

What brain area is referred to as the 24 hour rhythm generator?

Answers

The brain area responsible for the 24-hour circadian rhythm is the hypothalamus, more specifically the suprachiasmatic nucleus located on the anterior part of the hypothalamus. This area is responsible in organizing and programming bodily functions (i.e. cortisol secretion) in 24-hour oscillation called circadian rhythms. 

A female client tells the health care provider that she has recently been experiencing episodes of changes occuring in the color of her fingertips especially when she experiences cold temperatures. she further states that the tips become pale, turn a bluish color, and then become reddened. the client is most likely experiencing:

Answers

The patient is most likely experiencing Raynaud's phenomenon. Her salient features include the classic distal pallor (paleness) followed by cyanosis (bluishness) followed by hyperemia (redness), exacerbated by cold temperatures. This is caused by the pathological vasoconstriction of distal blood vessels causing local ischemia hence the pallor, then the decreased oxygenation and the pooling of venous blood hence the cyanosis, lastly the vasodilatory response causing a rush of oxygenated blood hence the hyperemia. 
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