Answer:
I'm dead
Explanation:
Bruh you literally go to my school. I'm dying over this.
The combination which is always true of the nucleotide composition of a sample of DNA is: [tex]A + C = G + T[/tex]
Deoxyribonucleotides is the basic unit of a deoxyribonucleic acid (DNA).
Basically, it comprises a nitrogenous base and phosphate group that are commonly known as deoxyribose sugar.
A nucleotide refer to a subunit of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) that consists of a nitrogenous base.
Hence, the nitrogenous base or nucleotide composition of a deoxyribonucleic acid (DNA) includes the following:
Adenine (A).Guanine (G).Cytosine (C).Thymine (T).In conclusion, the combination which is always true of the nitrogenous base or nucleotide composition of a sample of DNA is:
[tex]Adenine (A) + Cytosine (C) = Guanine (G) + Thymine (T)[/tex]
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Why is biodiversity so high in tropical rainforests yet so low in tundra and desert biomes?
Explanation:
The tropical rainforest is made up of a dense network of trees, shrubs and vegetation.
This zone on earth is the most biodiverse on the earth surface. It receives the highest insolation of all places on earth and so radiant energy here is very high.
Due to this, the net productivity is very high. This implies that a wide range of food is available to support the diverse organisms. Also, the wet and dry seasons provides a very conducive weather for most organisms to survive.Tundra and deserts have low precipitation and the conditions are very harsh.
All non-harmful environmental agents that a pregnant woman ingests aid in the development of the fetus.
Please select the best answer from the choices provided
T
F
Answer: False
Explanation:
Just because an environmental agent is not harmful does not mean that it is beneficial therefore not all non-harmful environmental agents that a pregnant woman ingests aid in the development of the fetus.
This is where the Placenta comes in. It filters out the agents and nutrients that are not needed and passes only the relevant ones to the fetus thereby ensuring that not all non-harmful agents pass through.
Answer:
False
Explanation:
Edge 2022
If your body is capable of making only certain amino acids, how do we get the essential amino acids we need?
Answer:
Essential amino acids cannot be made by the body. As a result, they must come from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Explanation:
Essential amino acids are available to the body through diet.
What are amino acids?Amino acids are the key units in protein formation. They are the building blocks in determining protein structure.
Amino acids are amphoteric molecules which means that they contain dual functional group - amino and carboxylic acid.
There are twenty different amino acids present. Amino acids are classified into four main groups:
Non polar amino acidsPolar but charged amino acidsNegatively charged amino acidsPositively charged amino acidsAmino acids are crucial in the determination of genetic code. They are also important in transcription and translation process.
Amino acids are joined together in large number and form polypetides through peptide bond formation.
Based on the nutritional requirements amino acids are classified into two types:
Essential amino acids - amino acids which cannot be synthesized by the body and thus need supplementation through diet.Non essential amino acids - amino acids which can be synthesized by the body.Therefore, amino acids are important in the biochemistry of proteins and several biochemical processes.
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Give an example of a type of cell that generally does not divide once it has developed
Answer:
Heart and nerve cells. Neurons also lose the ability to divide as they mature.
Explanation:
Why might a company decide against using hydroelectric Energy as an alternative energy source
A. Gathering it requires pulling from unclean sources
B. Gathering it creates noise pollution for surrounding areas
C. Gathering it releases carbon dioxide gases into the air
D. Gathering it can have a negative affect on natural habitats
The company's decision against using hydroelectric Energy as an alternative energy source might be Gathering it can have a negative affect on natural habitats.
Why is hydroelectric power not a good energy source?Hydropower can also cause environmental and social problems. Waterholes drastically change the landscape and rivers they are built on. Dams and reservoirs can decrease river flows, raise the water temperature, degrade water quality and cause sediment to build up. This has negative impacts on fish, birds and other wildlife.
Thus, the correct option is "D".
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Which of the following best describes a population?
Answer:
Explanation:
A number of things/people that populate on place
In one sentence explain why carbon dioxide is considered the most important greenhouse gas, although it traps much less heat than other greenhouse gases such as methane, nitrous oxide and CFCs.
Answer:
Because plants need carbon dioxide more than any other compound/element. Also, heat doesn't make much of a difference in a plants growth or production. It's sunlight that makes a difference.
Carbon dioxide is considered as the most important greenhouse gas due to its abundancy in the atmosphere.
• In the atmosphere, climate change is mainly an issue due to high concentration of carbon dioxide in the atmosphere.
• This overload is because of the burning of fossil fuels and burning of forests.
• Apart from carbon dioxide there are many heat trapping gases like water vapor and methane, however, carbon dioxide is putting us at greater threat due to irreversible modifications it takes place if it continues to gather at such rate in the atmosphere.
• Carbon dioxide has contributed more to climate change than any other greenhouse gases between 1750 and 2011.
• The other gases like methane possess more potent heat trapping tendency per molecule in comparison to carbon dioxide, however, they are far less in comparison to carbon dioxide in the atmosphere.
• The tendency of carbon dioxide to remain in the atmosphere for longer durations in comparison to other heat trapping gases makes it the most potent greenhouse gas.
Thus, the abundancy of carbon dioxide in the atmosphere makes it the most powerful greenhouse gas in comparison to other greenhouse gases.
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What is a boundary in which two plates move apart from each other called?
Answer:
A divergent boundary!
Explanation:
Hope this helps! <3
Which of the following types of fats are most associated with heat disease? (They tend to be solid at room temperature)
A. Monounsaturated
B. Polyunsaturated
C. Phospholipids
D. Saturated fats
Answer:
Saturated Fats
Explanation:
BRAINLIEST PLEASEEEEE
polyunsaturated
Explanation:
all dietary food contains(polyunsaturated)are solid
Look at the images. Considering the properties of prokaryotic and eukaryotic cells you've learned about, what kind of cell is this?
Answer: 1. prokaryotic 2. eukaryotic 3. eukaryotic 4 prokaryotic
Explanation:
WHAT ARE EUKARYOTES AND PROKARYOTES?
Eukaryotes are living organisms that possess a membrane-bound nucleus while prokaryotes are living organisms that do not possess a membrane-bound nucleus or organelles.From the image attached to this question;
Cell type A is a bacterial cell with no visible nucleus present. Hence, it is a prokaryotic cell. Cell type B is a plant cell with nucleus, cell wall and chloroplast. Hence, it is an eukaryotic cell. Cell type C is a human cheek cell with visible nucleus. Hence, it is an eukaryotic cell. Cell type D is a vibrio bacterial cell with only a visible cell wall. Hence, it is a prokaryotic cell.Learn more: https://brainly.com/question/21196976?referrer=searchResults
Abrianna placed a ball of clay on a table. She flattened it into the shape of a disc. She turned to Hanna and said, "Look, I have changed the weight of the clay!" Hanna responds, "No, the weight has not
changed. The mass has." How would you respond? Write your response in your
Science Journal.
Answer:
Explanation:
Both would be right if some of the clay was removed.
Since there is no mention of anything being removed, both are incorrect. There is always the same mass when the shape has been altered.
Human body Systems Interactions
Name at least two body systems interacting in each scenario
1. Last night Jane began to feel like she had a stopped nose. Today she thinks she has come down with a cold. She went to the nurse and her temperature was 102 degrees.
__________________________________ /___________________________________________.
2. A dog, Skipper, is roaming around in his neighborhood. Skipper passes one of his favorite spots and he lifts his leg to urinate on a fire hydrant. This reminds you; you have to go.
__________________________________ /___________________________________________.
3. A young boy, James went out to play on a June morning in Florida. After a couple of hours, the outside temperature began to get extremely hot. As James is sitting outside, in the Florida summer, he starts to sweat.
__________________________________ /___________________________________________.
4. You are at the Tampa bay lightning hockey game; you eat the most expensive hot dog you ever had in your life.
__________________________________ /___________________________________________.
5. Body systems rarely work independently of one another. For example, the muscular system works closely with other body systems to maintain homeostasis. Muscle cells require a
constant supply of oxygen so that the muscles can contract. Which body systems are responsible for providing oxygen to the cells in the system? PLS HELP DUE AT 11:59
Answer:
Hello,
1. Respiratory system, immune system
2. Muscular system, renal system
3. autonomic nervous system, muscular system
4. nervous system, visual system
5. The body systems that are responsible for providing oxygen to the different cells in the system are the respiratory system and the circulatory system. The first provides the second with oxygen, and then the second goes out to carry that oxygen through blood streams throughout the whole body.
What is
the role of DNA polymerase in this process?
Which of the following is not a biotic factor in an ecosystem?
O Roots
O Air
O Insects
O Leaves
Answer:
Air
Explanation:
Air is Abiotic(Nonliving) and therefore, not Biotic(Living)
100 POINTS !
Match the numbers on the picture of the cell with the words below.
Cytoplasm
Golgi Apparatus
Nuclear Pores
Rough Endoplasmic Reticulum
Vacuole
Cell Membrane
Ribosome
Nucleus
Nucleolus
Smooth Endoplasmic Reticulum
Chloroplast
Chromatin
Mitochondria
Nuclear Envelope
Microtubule
Cell Wall
Answer:
1. Nucleus
2. Nuclear Envelope
3. Nucleolus
4. Chromatin
5. Nuclear Pores
6. Ribosome
7. I don't know sorry
8. Smooth Endoplasmic Reticulum
9. Cytoplasm
10. I don't know sorry
11. Cell wall?
12. Mitochondria
13. I don't know sorry
14. Rough Endoplasmic Reticulum
15. Ribosome?
16. I don't know sorry
Explanation:
I don't know some of these but I hope this helps! :D
Describe the graph pleaseee!
Answer: It is how far each planet is from the suns orbit.
Explanation:
Answer:
the answer is how far the planets are from one another
Explanation:
i took this exam
Do neurons create synaptic connections between endocrine glands?
yes because i know it. it is form
Can someone help me outtt
Answer:
I believe it would be G
Explanation:
Hope this helps
Answer:
G.
Explanation:
Tbh, there's really no explanation here besides have a great day.
During an earthquake, energy that has built up in the earth's crust is released by waves traveling through which type of medium?
the ground
the water
a vacuum
the air
During an earthquake, the energy that has built up in the earth's crust is released by waves traveling through the ground. Thus, the correct option for this question is A.
What is an Earthquake?An earthquake may be defined as a process that significantly involves the sudden trembling of the surface of the earth that is typically produced by the immediate movement of rock materials below the earth's surface.
According to the context of this question, the tectonic plates are continuously moving, but sometimes they got stuck at their edges due to friction. This stimulates the stress on the edge that overcomes the friction.
This is the reason which facilitates the action of an earthquake that significantly liberates energy in waves that travel through the earth's crust and provokes the trembling that we suddenly feel.
Therefore, during an earthquake, the energy that has built up in the earth's crust is released by waves traveling through the ground. Thus, the correct option for this question is A.
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The ribosome-covered structure found in the cytoplasm of a cell is called the
А.
Golgi apparatus
B
rough endoplasmic reticulum
lysosome
smooth endoplasmic reticulum
Answer: rough endoplasmic reticulum
Explanation:
( I need some sort of help on my asignment I’m a bit young and I just really need to pass this the question is )
What’s the purpose of seeds?
a. Reproduce
b. Feed plants
c. Look nice
d. Drink water
Answer:
A reproduce
Explanation:
Answer:
I think it is Reproduce.
Explanation:
I looked it up on google hope it helps
Function of trichocyst
Answer:
Just read this and summarize it
Explanation:
There you go!
What theory’s/ideas challenge natural selection? In other words, what disproves natural selection?
Answer:
Natural selection needs some starting material, and that starting material is heritable variation. For natural selection to act on a feature, there must already be variation (differences among individuals) for that feature. Also, the differences have to be heritable, determined by the organisms' genes.
Pls help i dont understand :( will give Brainliest + 25 points!!
Answer:
It’s the last one (reducing competition among the two frogs for resources)
Question 16 of 30
After a hurricane, a small group of seabirds flew off course and formed a new
population. Gene flow between the new population of seabirds and the
original one stopped, and the two populations evolved differently.
What process first caused the seabird populations to evolve differently?
A. Natural selection
B. Genetic drift
C. Reproductive isolation
D. Geographic isolation
Answer:
It’s B genetic drift
Explanation:
The group of birds separated from one another which led to different evolution for both groups of birds because of the new environment
Which of the following contains chemical energy?
A. Light
B. Height
C. Food
D. Motion
Answer:
c.food
Explanation:
hope it helped you
Food contains chemical energy. Thus, the correct option is C.
What is Chemical energy?Chemical energy may be defined as the energy of chemical substances that are evolved when they undergo a chemical reaction and transform into other substances.
Light and motion contain kinetic energy, while Height contains gravitational energy.
Food contains chemical energy which is released at the time of digestion that involves the breakdown of bonds between the particles.
Therefore, the correct option for this question is C.
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Difference between direct and indirect effect
Direct effects, as the name suggests, while not manipulated or communicated by a third party, deal with the direct influence of one entity on another. Indirect effects can be described as the influence, mediated or passed on by a third, of one organism or species on another.
In the process of photosynthesis, plants use carbon dioxide (CO2), water (H2O), and light energy to produce a sugar (C6H12O6) and oxygen (O2). In the process of aerobic respiration, animals and plants release energy from sugar and oxygen and produce carbon dioxide and water. The chemical equations that describe these reactions look like this: 6CO2 + 6H2O + light C6H12O6 + 6O2 C6H12O6 + 6O2 6CO2 + 6H2O + energy
The question is incomplete, the complete question is;
In the process of photosynthesis, plants use carbon dioxide (CO2), water (H2O), and light energy to produce a sugar (C6H12O6) and oxygen (O2). In the process of aerobic cellular respiration, animals and plants release energy from sugar and oxygen and produce carbon dioxide and water. The chemical equations that describe these reactions look like this:
photosynthesis: 6CO2 + 6H2O + light ---> C6H12O6 + 6O2
cellular respiration: C6H12O6 + 6O2 ----> 6CO2 + 6H2O + 36 ATP
How do these equations explain why the total amount of O2 and CO2 remains the same?
Answer:
See explanation
Explanation:
If we look at photosynthesis and cellular respiration, we will realize that the both are complementary processes. The product of one process is the input material for the other process.
Respiration and cellular respiration helps to balance the amount of O2 and CO2 in nature because photosynthesis takes in CO2 and releases oxygen while cellular respiration takes in oxygen and releases CO2. This maintains the delicate balance between the both gases in nature.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
Answer:
When an enzyme binds its substrate, it forms an enzyme-substrate complex. This complex lowers the activation energy of the reaction and promotes its rapid progression by providing certain ions or chemical groups that actually form covalent bonds with molecules as a necessary step of the reaction process.
After the enzyme and substrate bind together and perform the reaction, the substrate becomes a PRODUCT of that chemical reaction.
Enzymes are biological catalysts that bind specific substrates to speed up the rate of a given chemical reaction. Substrates are molecules upon which the enzymes act.Products are molecules formed from chemical reactions.Enzymes function by lowering the energy of activation of different chemical reactions.In conclusion, after the enzyme and substrate bind together and perform the reaction, the substrate becomes a PRODUCT of that chemical reaction.
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Which of the following methods involves counting the number of organisms in a specific area?
Answer:
the sampling method because it involves continuing the total of numbers or organism.
Answer: C) sampling
Explanation: edg. 2022
