Approximately 30% of the bases found in human dna are adenine. based on this, what is the approximate percentage of guanine found in human dna?

Answers

Answer 1
If about 30% is A then 30% is T. That leaves 40% to be G + C...so each must be around 20%.

Related Questions

The latitudes in this biome have evenly distributed precipitation throughout the year.

Answers

Answer- Lower latitudes of Coniferous Forests.

In the lower latitudes of coniferous forests, precipitation is more evenly distributed throughout the year. This Biome can be found in Canada, Europe, Asia, and the United States; they mostly consist consist of conifers (trees that grow needles and cones instead of leaves and flowers respectively).

Answer:

The answer is Lower scopes of Coniferous Forests.  

Explanation:

In the lower scopes of coniferous backwoods, precipitation is all the more uniformly disseminated consistently. This can be discovered in Canada, Europe, Asia, and the United States; they generally comprise of conifers trees that develop needles and cones rather than leaves and blooms separately.

If your doctor told you that you have trep throat, you could conclude that you are infected with which type of pathogen?

Answers

The answer is Group A Streptococcus bacteria.
 
It is a bacterium often found in the throat and on the skin. People may carry group A streptococci in the throat or on the skin and have no symptoms of illness. Most GAS infections are relatively mild illnesses such as "strep throat," or impetigo. On rare occasions, these bacteria can cause other severe and even life-threatening diseases
You could conclude that you are infected with a BACTERIA.
Strep is a short name for the bacteria called streptococcus. Streptococcus cause strep throat, which is a kind of bacterial infection, which cause pain and inflammation in the throat. The infection is especially common in children aged 5 to 15.

Give explain and characteristics of Protisia? It's the kingdoms.

Answers

Hello

Most, but not all, protists are single-celled. Other than thesefeatures, they have very little in common. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi

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Jenna made this model to show the processes which resulted in the formation of oceans.




Which of these statements best describes a flaw in Jenna's model?




Water filled the basins after sea floor spreading.




Water filled the basins after segments of Earth's crust moved.




Earth's crust was formed after water filled the basins.




Earth's crusts were broken down after the process of sea floor spreading.

Answers

The answer is Earth's crust was formed after water filled the basins.

There is a flaw in this statement because the earth’s crust is the top-most layer of the earth that occurs across the whole of the earth. Actually, the reverse happens, the oceans sit on top earth’s crust therefore cannot be formed after water filled the basins.

Earch if formed thats the answer Hope it help ly

Which form of prevention takes place after the precursors of disease interact with the host?

Answers

The answer would be: both tertiary and secondary

Primary prevention is the only form of prevention that happens before the disease interact with the host. Primary prevention tries to prevent a disease in the healthy person. Secondary prevention would be early diagnosis and prompt treatment. Tertiary prevention focuses on the improving quality of life.
Final answer:

Secondary prevention is the type of prevention that takes place after the precursors of disease have interacted with the host. This often involves interventions such as vaccination, which induce immunological memory, and measures taken during the period of decline to prevent secondary infections.

Explanation:

The form of prevention that takes place after the precursors of disease interact with the host is called secondary prevention. This falls in the phase of illness where symptoms have appeared and intervention is required to halt the process of the disease. A primary example of secondary prevention in action is the vaccination program. With vaccinations, your body generates immunological memory, allowing you to combat the disease more vigorously upon exposure in the future, because it can mobilise a strong secondary response.

Secondary prevention strategies also include actions during the period of decline, where the number of pathogens starts to decrease along with symptoms. Due to the immune system having been busy fighting off the primary infection, this period can leave an individual susceptible to secondary infections, which prevention measures should also aim to mitigate.

Therefore, secondary prevention occurs at the stage where the disease onset has already happened and early treatment is used to cure or stop the progression of the disease, thereby lowering its impact on the host's health.

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The role of chlorophyll in photosynthesis is to A. Pass electrons to the stroma B. Split water molecules C. Absorb light energy D. All of the above

Answers

Option D is the correct answer
D all of the above is the answer

What is the central dogma of biology identify and describe the molecular processes that accomplisht he flow of genetic information described in the central dogma?

Answers

Final answer:

The central dogma of biology outlines the flow of genetic information from DNA to mRNA to protein, primarily through the processes of transcription and translation. Transcription makes an RNA copy of a gene, and translation uses that RNA to build a protein.

Explanation:

Central Dogma of Molecular Biology

The central dogma of molecular biology describes the flow of genetic information in cells from DNA to RNA to protein. The genetic information is first transcribed into messenger RNA (mRNA) during transcription, and then the mRNA is translated into a protein during translation.

Transcription

Transcription is the process by which a segment of DNA is copied into mRNA. This occurs when the cell needs a particular protein, and the gene responsible for that protein is activated. As the DNA is transcribed, nucleotides are matched to synthesize the single-stranded mRNA molecule.

Translation

Translation is the process whereby the sequence of the mRNA is used to dictate the correct order of amino acids that make up the protein. This involves reading the mRNA nucleotides in groups of three, known as codons, with each codon corresponding to one specific amino acid. Thus, a protein's structure is determinate by the nucleotide sequence of the gene.

True or false: certain household plants, such as mistletoe, can be toxic to birds. ansc207

Answers

To a certain extent birds can eat it but it can be toxic to them people as well. The plant provides nutrition such as berries and seeds
true it can harm birds and or even be deadly.

What are the 6 steps of hypothesis testing? (state the 6 steps)
a.
b.
c.
d.
e. f)?

Answers

Step 1:Identify the populations, comparison distribution, and assumptions
Step 2: State the null and research Hypothesis 
Step 3: Determine the characteristic of the comparison distribution.
Step 4: Determine the critical value or cutoff
Step 5: Calculate the test statistic.
Step 6:Make a decision


As electrons are passed through the electron transport chain associated with photosynthesis, they lose energy. what happens to this energy?
a.it is used to phosphorylate nad+ to nadph, the molecule that accepts electrons from photosystem i.
b.it is lost as heat,
c.it is used to establish and maintain a proton gradient.
d.it excites electrons of the reaction center of photosystem i.

Answers

C. it establish and maintain a proton gradient

Low-energy electrons destroy oxygen molecules and produce water as they move through the electron transport chain, losing energy as they do so. Thus, option C is correct.

What proton gradient cause in electron transport chain?

The electron transport chain in particular utilizes the energy from the electrons on NADH and FADH2 to pump protons (H+) into the intermembrane gap.

As a result, there is a proton gradient between the mitochondria's matrix and intermembrane space.

Hydrogen is pumped out of the matrix space by the energy released. As a result, a gradient is produced that forces hydrogen back through the membrane via ATP synthase.

Therefore, electron transport chain associated with photosynthesis, they lose energy because it is used to establish and maintain a proton gradient.

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cell structure varies depending on its what?

Answers

There are so many different cells types...just think of your body, or think of different types of bacteria. Some are bacillus shaped (like a rod), some are cocci shaped (like a ball). What makes them different? Their genes! Or you could say their genetic material.
In the case of eukaryotic cells in multicellular organisms like humans, it also comes down to which genes are actually expressed that can dictate what type of cell they are but also their shape/structure.

Answer:

The correct answer is function.

Explanation:

The structure of a particular cellular constituent has a lot to do with its activity. It can also be said that structure dictates function. Let us consider an example of chloroplast and mitochondria, it is only the compositions of these two organelles that permits the procedures of photosynthesis and cellular respiration to take place.  

In both the organelles, the existence of the membrane permits for compartments to develop. These compartments can exhibit distinct hydrogen ions concentration, and it is because of these differences in concentration the formation of essential substances takes place.  

The leaves of a plant appear to be green because light waves are
A) reflected.
B) absorbed.
C) both absorbed and reflected.
D) neither absorbed or reflected.

Answers

c, plants are green because their cells contain chloroplasts which have the pigment chlorophyll which absorbs deep-blue and red light, so that the rest of the sunlight spectrum is being reflected, causing the plant to look green.
Final answer:

The leaves of a plant appear green because light waves are absorbed by the chlorophyll pigment.

Explanation:

The leaves of a plant appear to be green because light waves are absorbed by the chlorophyll pigment in the plant cells. The chlorophyll molecules absorb the red and blue wavelengths of light and reflect the green wavelength, which is then detected by our eyes. Therefore, option B) absorbed is the correct answer.

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Which statement about luminosity is NOT true?
A. It is commonly measured in watts.
B. It is valued at 1 for our sun.
C. It stands for the total energy output of a star
D. It increases from top to bottom on an H-R diagrams

Answers

Answer: D. It increases from top to bottom on an H-R diagrams 

Luminosity is defined in the wordbook as brightness of a celestial object. In astronomy, it stands for the total amount of energy emitted per unit time by a star, so C. is correct. It is measured in joules per second or watts so A is correct also. It is B,  valued at 1 for our sun.

In an H-R  diagram, the energy of a star is plotted on the vertical axis. The lower or more negative the measure, the brighter the star, D is therefore not true.

(05.01 MC) How do wetlands abiotically help to protect the water quality of a marine ecosystem? They cause areas to flood into larger water bodies. They cause the water to be filled with tannins. They filter sediments and other material from runoff. They prevent water from being stored in their areas.

Answers

Answer:

They filter sediments and other material from runoff

Explanation:

Wetlands are places that are mostly ‘wet’ most of the time of the season and are filled with aquatic plants and riparian vegetation. Most of the time this water is still and anoxic. Wetlands are important because they allow the sediments in the still waters to settle, and also the ecosystem takes out the nutrients/dissolved molecules hence purifying the water before it is released into the water bodies such as oceans and lakes.

The affective losses of alzheimer's disease refer to losses noticed in the individual's:

Answers

Personality I believe???

A biome is a broad category of ecological organization that includes all of the biotic and abiotic components of an entire climate region, such as a desert or a rainforest. Which of the following categories of ecological organization is broader than a biome?

Answers

positive because the response increases until the normal body temperature returns.
Well the only ecological organization larger than a biome, is a biosphere.

In a 10 m2 ecosystem, there are 40 possums. What is the population density of possums? 2 per m2 4 per m2 10 per m2 40 per m2

Answers

the above answer is incorrect, i chose it. the CORRECT answer is B. hope this helps.

Answer:

Option B, 4 per m2

Explanation:

The population density of any species or human is the number of species or human beings living in a unit area.

Thus population density can be represented mathematically as

Population density [tex]= \\[/tex] Number of species/Human beings in a given region[tex]/\\[/tex] Area of the region ----------------Eq (A)

Given -

Area of the ecosystem [tex]= 10 m^{2} \\[/tex]

Total number of possums [tex]= 40\\[/tex]

Substituting the value in equation A, we get -

[tex]\frac{40}{10m^{2} } \\= 4 m^{2} \\[/tex]

Thus, option B, is correct.

Earth's atmosphere is unique among the planets because it contains a large amount of ___________. A) oxygen B) helium C) methane D) carbon dioxide

Answers

The answer is A. Oxygen

The answer is A i had it on a test.

Explanation:

Maddy, Carole, and Maria are enjoying a day at the beach. They are body surfing and playing on their boards. Imagine that wave A catches up with wave B. Describe the change, if any, in wave amplitude.

Answers

When the two waves meet, there are two possibilities:

1.If the waves were both in phase and moving in the same direction, then, the amplitude will double, this is called constructive interference.
2. If the two waves were exactly out of phase, then they will try to move the water surface in all directions, thus, no movement and the waves cancel out. This is called destructive interference.

When we look at islands across the planet (think the islands of the galápagos and hawaii) we see that there are a remarkable number of island endemic species, species that are found nowhere else. what is a possible explanation for this observation?

Answers

Island isolation promotes allopatric speciation. Species are separated by the physical barrier which is in the ocean and islands are being isolated by each other by bodies of water.
 There is no gene flow which occurs between the separated species. Living in the distinct island. The species get adopted by the island to the environment.
They then diverge as they separate species.

A remarkable number of species on an island that are found nowhere else is a result of island isolation that promotes allopatric speciation where there is an evolution of species caused by the geographic isolation of two or more populations of a species. These results to increase biodiversity of species found on the island.

 

 

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What is the mRNA sequence and tRNA sequence of ATGGGCTTAGCA

Answers

To translate messenger RNA, or mRNA, use an amino acid table to help you figure out the condo sequence in transfer DNA known as tRNA. Genes in DNA are like coded recipes for proteins. Cells transcribe there coded recipes onto an messenger mRNA transcripts and export it out of the nucleus onto the cytoplasm of the cell.
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AATGCCAGTGGT Is the answer to your question. 

In the year before trudy died, her friends and family noticed that she has become less active and more withdrawn, even in their company. trudy experienced __________.

Answers

The answer is terminal decline. This is the decline in cognitive function occurring before death. The severity though would vary between individuals. It can be due to biological changes in the brain of an aging human or it may be due to an underlying disease.

One function of the plant cuticle is to increase water uptake by roots true or false

Answers

I think its false
Not 100% sure though

You and a fellow lifeguard are giving ventilations using a bvm. you position the mask over the victims nose and mouth. what should the other lifeguard do next

Answers

Answer: Squeeze the bag with both hands

When giving ventilation using bag valve mask(BVM), it is best to have two people handle it. In this case, you are handling the bag positing which make sure the airway open so the air from the bag could enter the lungs. The other person should focus on delivering the air by squeezing the bag.

The other lifeguard should use both hands to form a tight seal around the mask.

Why should the other lifeguard do this?

They should then look, listen, and feel for signs of breathing. If they do not see the victim's chest rise or hear any breath sounds, they should start giving rescue breaths.

The rescue breaths should be given at a rate of 10-12 per minute. The lifeguard should use their diaphragm to breathe into the mask, making sure to form a tight seal. They should watch the victim's chest rise and fall to make sure that they are getting air.

If the victim starts breathing on their own, the lifeguard should continue to monitor their breathing. If the victim stops breathing again, the lifeguard should start rescue breaths again.

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Arteries carry oxygenated blood away from the heart and typically have ________________ blood pressure. Veins carry deoxygenated blood to the heart and typically have __________________ blood pressure.

a. low,low
b.high,low
c.low,high
d.high,high

Answers

The answer to this question is B. Just got this answer right.

Arteries carry oxygenated blood away from the heart and typically have high blood pressure. Veins carry deoxygenated blood to the heart and typically have low blood pressure. This is the reason behind the 120/80 - 140/90 mmHg blood pressure that is seen during the measurement of the blood pressure. Arteries have blood in high pressure and large quantity as the heart pushes the blood away from it to the various organs. Veins carry the blood away from the organs due to the pull of the heart, this creates a low pressure zone inside the veins.

What effect would it have on the circulatory system if a person quit smoking?

Answers

It really wouldn't make a big change to the circulatory system because the damage has already occurred but it surely would prevent it from getting the circulatory system any worse.

Ovulation typically occurs ________ days before the menstrual period begins. question 90 options: 7 10 20 14

Answers

Final answer:

Ovulation, the release of a mature egg from the ovary, usually happens approximately 14 days before the start of the menstrual period. It is part of the menstrual cycle which can vary in length between different women.

Explanation:

In a woman's menstrual cycle, ovulation typically occurs about 14 days before the next menstrual period begins. This is generally the case for cycles that are around 28 days long, which is often used as a standard, but please note cycle lengths can vary between women and from one cycle to another for the same woman. Ovulation is the process when a mature egg is released from the ovary, and this egg is then available to be fertilized by sperm.

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Final answer:

Ovulation typically happens around 14 days before the menstrual period begins considering a usual menstrual cycle of 28 days. It is a phase of the menstrual cycle when the mature egg gets released from the ovaries.

Explanation:

Ovulation, being a part of the menstrual cycle, typically happens approximately 14 days before the menstrual period begins. The menstrual cycle varies among women, typically around 28-30 days. It's split into multiple phases: menstrual phase, follicular phase, ovulation, and luteal phase. Ovulation occurs during the midpoint of the cycle when the matured egg is released from the ovaries. If it doesn't get fertilized, the lining of the uterus sheds, leading to the menstrual period. Therefore, if we consider an average menstrual cycle of 28 days, the ovulation should be on the 14th day, which makes it roughly 14 days before the menstrual period.

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Which main force can cause a landslide? A. magnetism B. convection C. gravity D. pressure on fault lines

Answers

I think the answer is C
The Answer To Your Question IsC.) Gravity

A land slide is any geologic process in which Gravity causes rock, soil, artificial fill or a combination of the three to move down a slope. Several things can trigger landslides, Including the slow weathering of rocks as well as soil erosion, earthquakes and volcanic activity.
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Drag the words or phrases on the left to the appropriate blanks on the right to complete the sentences. use only pink labels (reservoirs) for pink targets and blue labels (processes) for blue targets. not all terms will be used.

Answers

The pink labels include the plants, organic nutrients, and inorganic nutrients. The blue labels include plant uptake, decomposition, erosion or leaching.
The reservoir composed of organic nutrients in the soil being the largest reservoir of nutrients in the ecosystem.
The ecosystem loses and gains nutrients through the reservoir composed of inorganic nutrients in the soil. The process of decomposition limits the rate of nutrient cycling in the ecosystem. The process of erosion or leaching results in the largest loss of nutrients from the ecosystem.

In the case of the bombina frogs given in your text, there was evidence of hybridization because
b. variegata (yellow-bellied toads) genes were present in the
b. bombina (fire-bellied toads) in the hybrid zone but the frequency decreased across the hybrid zone with distance from the yellow-bellied toad range. what was the evidence that hybrid zone stability was occurring? in the case of the bombina frogs given in your text, there was evidence of hybridization because
b. variegata (yellow-bellied toads) genes were present in the
b. bombina (fire-bellied toads) in the hybrid zone but the frequency decreased across the hybrid zone with distance from the yellow-bellied toad range. what was the evidence that hybrid zone stability was occurring?

Answers

In the case of the Bombina frogs, the evidence that hybrid zone stability is occurring was the consistent pattern from annual to annual of declining frequency of yellow-bellied toad alleles with distance from the edge of their range. This is a clear evidence that hybridization is taking place yearly in the Bombina frogs.

Answer:

On account of the Bombina frogs, the proof that half and half zone.  

Explanation:

strength is happening was the steady example from yearly to yearly of declining  recurrence of yellow-bellied frog alleles with separation from the edge of their  extend. This is an unmistakable proof that hybridization is occurring yearly in  the Bombina frogs.orbital hybridisation is the idea of blending nuclear orbitals into new half and half orbitals appropriate for the matching of electrons to shape synthetic bonds in valence bond hypothesis.

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