What makes up the backbone of a DNA molecule? nucleic acids RNA molecules sugars and phosphates ribose and deoxyribose

Answers

Answer 1
Base, sugar and phosphate and deoxyribose make up a nucleotide on a DNA molecule
Answer 2

Answer:

sugars and phosphates

Explanation:

gradpoint


Related Questions

y= -14x + 1.2 5 can be x or y

Answers

Answer:

Slope= 2.0002.400=1.200

x−intercept=−60​=−0.00000

y−intercept=50​=0.00000

Hoped I helped

Suppose you want to make a new connection to species in the concept map. Which of the terms below could fill in the blank in this new connection: "_____ is a mechanism that defines the separation between species." Select all that apply.

Answers

Answer:

Hello. You did not enter answer options, but some terms that can be used to fill in the blank are:

Hybrid infertility, Hybrid inviability, Behavioral isolation, Sympatric isolation, Habitat isolation, Hybrid breakdown, Allopatric isolation.

Explanation:

All of the above terms represent situations that cause separation between species. This separation can occur physically or molecularly, but it always results in genetic modifications that end up separating one species genetically from the other, causing evolution and generating different species, to the point that it is not possible to establish mating between its members.

population of squirrels live together in forest an event occurred that caused the population to diverge into two different species over a long period of time which of the following is most likely the event occurred

Answers

A natural disaster.

Explanation:

A natural disaster would most likely have occurred to have the population of squirrels completely diverge from each other in order for them to become two separate species.

If a tornado, flood, earthquake, or another type of a natural disaster were to happen, it may have caused drastic damage to the ecosystem and environment of the squirrels. This would most likely cause the squirrels to split up, or diverge from each other and go to separate places in search of a new home.

Over time, these squirrels will reproduce with their own group. Each new group of squirrels, as they are both in different environments now, will have different adaptations from each other. This will eventually make it so they will never be able to reproduce with each other again if they were to meet, as they are now completely different species of squirrel.

Answer:

ITS B   A natural disaster occurred that separated squirrels.

Explanation:

Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing
external conditions?
spontaneous generation
homeostasis
growth and development
reproduction​

Answers

Answer:

homeostasis

Explanation:

Homeostasis is the biological process by which living organisms maintain a stable internal environmetal condition despite changes in their external environment. Homeostasis is an important phenomenon for the optimal functioning of any living organism.

A vivid example of homeostatic process is the regulation of temperature in humans or some animals. Self-r regulating mechanisms help keep their temperature at a stable state irrespective of temperature changes in the external environment i.e. hot or cold external conditions. The steady state of internal temperature is very important for some physiological processes in living systems.

Answer:

B

Explanation:

write a poem about culture
give expiation for your answer
and describe how to write poem
and don't forget to write poem about culture?
please please answer this question ​

Answers

Explanation:my culture is pakistan and it's tradition and colours are well , most people decorate the buses on 14th august people do face painting and make delicious food in world there are many types of cultures and tradition, which people celebrate once in a year

I HOPE WHOEVER YOU ARE LOVE THE POEM AND PLEASE LIKE YOUR CULTURE IN WHATEVER COUNTRY YOU ARE BORN BECUASE IT'S YOUR COUNTRY WHICH IS BEAUTIFUL LIKE MY COUNTRY.

A couple has just learned their neonate is diagnosed with osteogenesis imperfecta, and they
ask, "What caused our child to get this disease?" What should the health care provider teach
the couple about their neonate's condition?

Answers

Answer:

osteogenesis imperfecta is an inherited genetic disease that mainly affects the bones.  

Explanation:

Osteogenesis imperfecta is an inherited genetic disease associated with alterations in collagen synthesis, which have been shown to increase the risk to suffer bone fractures. This genetic disorder is characterized by different health problems including, among others, fragile bones, reduced skeletal mass, skin hyperlaxity, malformations in the central nervous system, etc. Clinically, osteogenesis imperfecta must be managed by an interdisciplinary medical team, since patients may present a clinical picture ranging from mild to lethal. In the first place, it is imperative to provide health care to avoid fractures, exercises to maintain muscle mass, exercise to improve motor skills, skincare by specialized dermatologists, etc.

The disease 'osteogenesis imperfecta' is caused by the neonate inheriting it

from either of the parent because it's a genetic disorder. The health care

provider should teach the parent about how to prevent the effect of having

such disease such as bone fractures.

Osteogenesis imperfecta is a genetic disorder inherited by offspring from

their parent. The disease involves individuals having very  brittle bones which are easily broken. The nurse should teach the parent to adopt bone strengthening steps such as adequate calcium intake and physiotherapy.

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What happen to the cell if nucleus is removed? ​

Answers

Answer:

If the nucleus is removed from the cell, the cell will die as the nucleus is the living component of the cell.

Hope you understand❣

Answer:

Nucleus is the boss of the cell who control all the activities take place in the cell . so if the nucleus is not there no process will be taken and the cell will die .

Hope i helped u mate.

When sweat cools on the skin, removing heat and cooling the body, what process is occurring? A. Parasympathetic nerve conduction B. Respiration C. Homeostasis D. Dehydration

Answers

Explanation: it has to be C because i got it right on my test

What are some pros and cons of using a dispersant versus bacteria to deal with a very large spill and how would each one impact the environment

Answers

Answer:

it is toxic to the health

Explanation:

Dispersants create a toxic environment for fish by releasing harmful oil break-down products into the water. ... Dispersants and dispersed oil have also been shown to have toxic effects on bird eggs that are similar or worse than from untreated oil.

please help...??????

Answers

Answer:

See below

Explanation:

A. Crust (This is the outermost layer of Earth)

B. Inner Core (Innermost part of Earth)

C. Asthenosphere (The layer below lithosphere)

D. Mesosphere (The middlemost layer)

E. Outer Core (The layer above inner core)

F. Mantle (Consists of further three layers)

G. Lithosphere (The layer below crust)

Answer:

[tex]\large \boxed{\mathrm{view \ attachment }}[/tex]

Explanation:

Crust is the topmost layer.

Inner core is the deepest layer near the core.

Asthenosphere is the layer below the lithosphere.

Mesosphere is the layer that makes up most of the mantle.

Outer core is the second deepest layer above the inner core.

Mantle is the largest layer.

Lithosphere is the layer directly below the crust.

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the repressor gene (lacI), along with its promoter, to a position at some several thousand base pairs away from its normal position, which of the following results would be expected?
A) The repressor will no longer bind to the operator.
B) The repressor will no longer bind to the inducer.
C) The lac operon will be expressed continuously.
D) The lac operon will function normally.

Answers

Answer:

D) The lac operon will function normally.

Explanation:

The promoter area can be described as the area that causes the transcription to initiate for a particular gene. Promoters may be near the genes from which they initiate transcription or they may display multiple scenes upstream. The lock operon works normally because the promoter area can still enable transcription on many base pairs. Detects repression promoter and works normally.so correct option is D) The lac operon will function normally.

If a researcher moved the repressor gene of lac I, along with its promoter; the lac operon will function normally. Option D is correct.

Promotor:

It is the genetic sequence that is recognized by the RNA polymerase to start the transcription.

Here, researcher moved the repressor gene of lac I , along with its promoter.

Therefore, transcription starts, it will express the repressor gene also because repressor gene was moved with promotor.

To know more about Lac operon,

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Which of the following can a chemical bond do?
A. Change element properties
B. Store energy
OC. All of these
D. Release energy

Answers

Answer: C

Explanation:

The following can a chemical bond do is all of these. The correct option is C. All of these.

What is a chemical bond?

A chemical bond is a bond formed between two elements. The energy of the reaction is stored in the bonds when the reaction happens, the energy is released from the bonds. It also changes the chemical properties of the elements.

Thus, the correct option is C. All of these.

Learn more about chemical bond

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Gran Dolina adult hominids were similar to later Homo sapiens in their Group of answer choices None of these choices is correct. ability to produce art. wide nasal apertures. large cranial capacity.

Answers

Answer:

wide nasal aperatures

“Any process used to ask and answer testable questions about observations of the natural world” defines which term? scientific consensus scientific inquiry scientific conclusion scientific hypothesis

Answers

Answer:

The answer is B

Explanation:

I took the test

The way in which scientists observe, make a question or hypothesis and get the answers either by doing experiments or from available evidences is called as scientific inquiry. Thus, option B is correct.

What is scientific enquiry?

Scientific inquiry refers to a diverse way where scientists aim to get answers in the form of testable explanation either based on evidence from their previous work or from other observation. This can be used of their future experiments.

It has two important functions. Firstly, it provides a descriptive idea about the process of scientific inquiry conduction in practice.

Secondly, it gives an explanation of why scientific inquiry is successful in giving a genuine and reliable knowledge.

The order of scientific inquiry involves the steps such as observing, inferring, classifying, predicting, questioning, interpreting the results from experiments. Hence option B is correct.

Learn more about scientific inquiry, here:

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You want to see if mold grows faster on bread in the shade than on bread in the sun. Your experimental variable is _____. mold bread the sun

Answers

Answer:

bread

Explanation:

the exponential variable doesn't change

Draw a cross section of a peach, and label the structures. What parts of the flower give rise to these structures

Answers

Answer:

exocarpo  is synonymous with exocarp

endocarpo is synonymous with endocarp

mesocarpo is synonymous with mesocarp

semilla is synonymous with seed

Explanation:

In phase one, the plant's ovary begins to grow abruptly, this is where the embryo and endosperm affect their size, but if this ovarian growth is interrupted by an external factor, it determines the size of the future.

Then, the embryo and the endosperm could grow and undergo a process called sclerification, which is the hardening of the interior of the fruit, that is to say, the future formation of the seed or vulgarly called "pit". .

After this, the mesocarp, which is what is called the fleshy body or subglobose edible drupe, begins to grow.

The growth of the mesocarp is what gives the volume, weight and body to the fruit, so that after maturation it exceeds the strength of the branch and it falls from the tree.

10. Write the two likely errors carried out while using ruler during measuring length of anywhy did to like me process carried out while using a ruler during measuring length of any object

Answers

Answer:

positive error and negative error.

Explanation:

There are two types of error which is possible when measuring of a length with the help of ruler. Positive error occurs if the calculated value is larger than actual value while negative error occurs when the calculated value is smaller than actual value. To avoid positive error, the increased value should be subtracted from calculated value while negative error can be corrected by adding the value with the reading.

One of the most common causes of acute tubular necrosis (ATN) is:________.
a. ischemic conditions.
b. cytotoxic agents.
c. immune reaction.
d. prolonged postrenal kidney injury.

Answers

Answer:

a. ischemic conditions.

Explanation:

Hello,

In this case, considering that acute tubular necrosis (ATN) has been widely acknowledged as a harmful medical condition showing off the death of tubular epithelial cells that give the form to the renal tubules of the kidneys; it presents with acute kidney injury. Thus, common causes of ATN include low blood pressure and use of nephrotoxic drugs which is more technically known as a. ischemic conditions in which the blood flow is very weak.

Regards.

In the box provided explain why living organisms contain more hydrogen atoms than any other atoms yet 65% of a typical organisms mass is oxygen

Answers

Answer:

The prime reason for this is that an atom of oxygen comprises sixteen times more mass in comparison to a hydrogen atom.

Explanation:

This means that A orginasim will appear to contain more oxygen, but the size diffrence will mean that there will be more hydrogen, just of a smaller size with less mass, thus making up a lesser part of the organism in terms of mass, but the majority on the molecular level.

Answer:

Reason 1: The mass of Oxygen is 16 times that of Hydrogen. Hydrogen takes 16 atoms to equal the mass of 1 Oxygen atom.

Reason 2: A large portion of an organism’s mass is in the form of water. Water contains two hydrogen atoms and one oxygen atom.

Explanation:

I just took the test

Volcanic eruptions are events that take place inside Earth’s . When they occur on land, they spew tremendous amounts of gas, releasing matter into the . The hot, flowing lava also disrupts the by destroying any vegetation and animals in its path.

Answers

Answer:

Volcanic eruptions are events that take place inside Earth’s GEOSPHERE. When they occur on land, they spew tremendous amounts of gas, releasing matter into the ATMOSPHERE. The hot, flowing lava also disrupts the BIOSPHERE by destroying any vegetation and animals in its path.

Explanation: I was taking the test and got it right so I thought I could help anyone who needs it


is the basic unit of structure and function of living things.

Answers

Answer:

cells

Explanation:

is the basic unit of life :)

Which type of muscle contracts without nervous stimulation?

Answers

Answer:

the answer is the cardiac muscle

Assuming that there is no other variation at the sites not represented, how many SNPs are present at this portion of the sequence

Answers

Answer:

1.4 million SNPs are present.

Which process in the carbon cycle is
performed by BOTH plants and animals?
Cellular Respiration
Decomposition
Photosynthesis
Burning (combustion)

Answers

Question :

Which process in the carbon cycle is

Which process in the carbon cycle isperformed by BOTH plants and animals?

Answer:

Cellular Respiration

Decomposition

Photosynthesis

Burning (combustion)

which of Earth's systems was most affected by fossilized dinosaurs

Answers

Answer:

C. Lithosphere

Explanation:

What test would be performed by the hospital to determine a diagnosis? List them

Answers

Answer:

1 pet scan

2 x ray

Explanation:

hope it helps you

Which structures are highlighted? Which structures are highlighted? pulmonary arterioles alveoli bronchioles pulmonary capillaries

Answers

Hello. You forgot to put the image that complements this question. The image is attached below:

Answer:

pulmonary arterioles

Explanation:

Pulmonary arterioles are small blood vessels located in the lung. They appear as branches of the major arteries and have the main function of releasing blood from capillaries, in addition to regulating blood flow and peripheral blood pressure in capillaries.

It is important to note that arterioles are very small in size, which facilitates their functions to be performed efficiently and quickly.

What organs/systems is affected by the sympathetic nervous system but is NOT affected by the parasympathetic nervous system?

Answers

Answer: cellular metabolism

Explanation:

Cellular metabolism is chemical reactions that takes place in living organisms so that they will be able to maintain life. Cellular metabolism is made up of thousands of genes, metabolites and proteins.

Cellular metabolism is affected by the sympathetic nervous system but is not affected by the parasympathetic nervous system.

The vector allows for protein expression in E. coli.

Briefly explain the role of the following elements in the context of gene expression and protein production:

1- LacP:

2- LacO:

3- LacZa:

4-Briefly explain and indicate what is required for high expression in E. coli in this context..

The vector also contains other important elements. Explain their role:

5- AmpR:

6- ori:

Answers

Answer:

1. Lac P or the promoter is the binding site for RNA polymerase, situated just upstream to the gene.  

2. Lac O or operator is a sequence situated just downstream to the sequence of the promoter at which binding of the repressor protein is done and ceases RNA polymerase enzyme from binding.  

3. Lac Z refers to the gene that encodes for protein beta-galactosidase, which further results in the formation of glucose and galactose from lactose.  

4. For high expression in E.coli IPTG is required. It attaches with the lac repressor and discharges the tetrameric repressor from the lac operator in an allosteric fashion, thus, permitting gene transcription in the lac operon.  

5. AmpR is also known as the ampicillin-resistant gene, which is utilized as a selective marker for selection against ampicillin antibiotic.  

6. Ori or the origin of replication refers to the sequence of the genome, which is accountable for the initiation of replication.  

An area classified as a temperate deciduous forest begins to experience a lack of rainfall that lasts for many years. Given enough time, if the area continues to experience a lack of rainfall, it will eventually become:__________a. savanna.b. temperate rainforest.c. shrubland, grassland, or woodland.d. taiga.

Answers

Answer:

Savanna

Explanation:

Lack of rainfall over a period of time may convert a temperate deciduous forest into a Savanna.

Grasslands are characterized by a domination of grasses rather than large shrubs or trees. Savanna is a grassland with a few scattered individual trees. Savannas are always found in areas that are quite hot. The annual rainfall in a typical savanna may range from about 76.2-101.6 cm. Some savanna regions may receive as low as 15.24 cm -25.4 cm of rain in a year, followed by a long period of drought when fires can occur.

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After considering cost-saving proposals, such as eliminating the internal Parts Shipping division and tertiary quality control measures, the executive team determined that staff furloughs would have the least impact on company morale. The author's use of plot advancement is most evident in which of the following ? a) Esperanza's mother turns into Madame Butterfly while singing in the kitchen. b) When Esperanza sees things disappearing from the garden she says the garden itself is eating them. c) Esperanza says that there are plants as big as planet in the garden. d) When Esperanza decides to go to the carnival with Sally, she becomes the victim of adolescent violence. 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