Why is fuel burning the worst option for a source of energy?
Answers
Answer: When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. As a result of greenhouse gases, heat is trapped in our atmosphere, resulting in global warming.
Explanation:
Related Questions
when during the cell cycle are chromosomes visible? question 26 options: a. only during interphase b. only when they are being replicated c. only during cell division d. only during the g1 phase
Answers
The cell cycle is the process through which cells develop and divide. The procedure is divided into two stages. Only during cell division are the chromosomes visible.
The cell cycle consists of a series of steps in which chromosomes and other cellular material are replicated to create two copies. The cell splits into two daughter cells, each of which receives a duplicated copy of the material. The cell cycle is completed when each daughter cell is surrounded by its own outer membrane.
The various stages of the cell cycle include: Interphase - This phase includes the G1, S, and G2 phases. M Phase - This is the mitotic phase, divided into prophase, metaphase, anaphase, and telophase. Cytokinesis – At this stage the cytoplasm of the cell divides.
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Lysogenic viruses do not
Answers
Answer:
Unlike a lytic virus, a lysogenic virus does not cause the host cell to lyse away. A lysogenic virus can remain inactive for a period of time. In lysogenic infection, viral DNA gets integrated with the host cell's DNA, where it is copied along with the host cell's DNA when the host cell replicates.
Explanation:
one could say that a respiratory pigment (i.e. hb) with relatively low o2 affinity is potentially disadvantages for o2 loading, but advantages for unloading o2. explain both parts of this statement.(
Answers
So, in summary: a respiratory pigment (like Hb) with a low oxygen affinity might not be as good at loading oxygen from the environment, but it can be advantageous for unloading oxygen to the tissues that need it.
let's start with the first part of the statement - why would a respiratory pigment with relatively low oxygen affinity be potentially disadvantageous for oxygen loading?
Well, a low oxygen affinity means that the pigment (in this case, hemoglobin or Hb) doesn't bind to oxygen as tightly. This can make it harder for oxygen to actually bind to the Hb molecule in the lungs or gills, where oxygen is typically picked up from the environment.
So, if Hb has a low affinity for oxygen, it might not be able to pick up as much oxygen from the air or water as a pigment with a higher affinity. This could be a disadvantage in environments where oxygen availability is low (such as at high altitudes or in polluted waters).
Now, onto the second part of the statement - why might a low-oxygen-affinity respiratory pigment be advantageous for unloading oxygen?
When Hb reaches the tissues that need oxygen (such as muscles), it needs to be able to release that oxygen so it can be used in cellular respiration. A low-oxygen-affinity Hb can actually be helpful here, because it doesn't hold onto the oxygen as tightly - this means it's more likely to release oxygen to the tissues that need it.
So, in summary: a respiratory pigment (like Hb) with a low oxygen affinity might not be as good at loading oxygen from the environment, but it can be advantageous for unloading oxygen to the tissues that need it.
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chapter 11 the copying mechanism of dna is most like a) taking a picture of yourself and of your reflection in a mirror. b) mixing flour, sugar, and water to make bread dough. c) dripping water out of a faucet. d) carving a figure out of wood.
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The copying mechanism of DNA is most like mixing flour, sugar, and water to make bread dough. So option b is correct.
This is because DNA replication involves the complementary base pairing of nucleotides, which is similar to the way in which flour, sugar, and water combine to form a cohesive dough.In the process of DNA replication, the two strands of the double helix are separated, and each strand serves as a template for the synthesis of a new complementary strand.
The nucleotides that make up the new strand are added one by one in a specific order, based on the complementary base pairing rules (A-T and C-G). This process results in the formation of two identical DNA molecules, each with one original and one newly synthesized strand.
Similarly, when making bread dough, flour, sugar, and water are combined in a specific order and mixed to form a cohesive mixture. As the mixture is kneaded, the ingredients become fully incorporated and form a homogeneous dough. This process is similar to the way in which nucleotides are added one by one during DNA replication, resulting in the formation of two identical DNA molecules.
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Which of the following is an example of an ecosystem?
1. A herd of bison.
2. All the deer, rabbits, and flowers in McLean County.
3. A pride of lions, a herd of water buffalo, the grasses on the Savanna, and the drought
affecting them all.
Answers
A pride of lions, a herd of water buffalo, the grasses on the Savanna, and the drought affecting them all is an example of an ecosystem.
What is ecosystem?Ecosystem, the collection of living things, their physical surroundings, and all of their interactions within a certain spatial context.An ecosystem can be divided into its biotic constituents, which include all of its living members, and its abiotic constituents, which include minerals, the environment, soil, water, sunshine, and all other nonliving elements. The movement of energy through the ecosystem and the cycling of nutrients within the ecosystem are the two main forces that bind these components together. Ecosystems come in a variety of sizes; some can fit inside a single water droplet, while others can cover entire landscapes and countries.Radiant energy from the Sun is the primary source of energy in practically all ecosystems.
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Answers please help!
Answers
2. D
3. B
4. E
5. A
6. C
I hope this helps
Answer:
Heterozygous = When the offspring inherits two different alleles
Probability = The mathematical chance that something will happen
Trait = Characteristics of an organism that makes it unique
Dominant = The allele that always shows up and hides the weaker allele
Recessive = The allele that is always masked in the presence of the stronger allele
Heredity = The passing of traits from parent to offspring
Hope this helps!
Examples of Biotic factors include
A) grass, flowers, and sunlight
B) grass, trees, bees, and ants
C) Grass, trees, soul, and water.
D) All of the above
Answers
Propose some possible explanations for the large volume of noncoding DNA in the human genome.
Answers
Answer: Non coding DNA do not contains instructions for proteins synthesis.
They are needed to
1. determine the point of attachments of transcription factors, and
2,they are also needed to control the transcriptions of genetic code from DNA to mRNA during mechanism of transcription.
Explanation:
What type of reaction breaks polymers into their monomer subunits? a.Hydrolysis b. Dehydration Synthesis c. Synthesis
Answers
Answer:
C
Explanation:
Synthesis
themeli, m. et al. generation of tumor-targeted human t lymphocytes from induced pluripotent stem cells for cancer therapy. nat. biotechnol.31, 928–933 (2013)
Answers
In adoptive T-cellular therapy for cancer and infectious diseases is hampered by way of the shortage of effectively to be had, antigen-particular, human T lymphocytes.
Pluripotent stem cells should provide an infinite source of T lymphocytes, but the therapeutic potential of human pluripotent stem cellular-derived lymphoid cells generated so far remains uncertain. right here we combine triggered pluripotent stem mobile and chimeric antigen receptor technologies to generate human T lymphocytes cells focused, an antigen expressed by means of malignant B cells, in tissue subculture.
T lymphocyte cells potently inhibit tumor increase in a xenograft model. This method of generating healing human T cells in the dish may be useful for cancer immunotherapy and other scientific packages.
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What is the main fuel source for the work of the cell?
glucose
deoxyribose sugar
oxygen
adenosine triphosphate
Answers
Answer:
Glucose
Explanation:
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if we remove the oxygen for 2 sec from all the world so some things will happen
Answers
Answer: Earth's crust would crumble since Oxygen constitutes 45% of the Earth’s crust. also, everyone's inner ear will explode- We would lose about 21% of the air pressure in an instant, which would be similar to jumping from sea level to nearly 2000m almost instantly. This would prevent the eardrums from becoming acclimated to the changes in pressures. We would experience something called barotrauma (refers to injury sustained from failure to equalize the pressure of an air-containing space with that of the surrounding environment).
Explanation:
Label the tissue layers of the small intestine
1. Serosa.
2. Outer-longitudinal.
3. Sub-mucosa.
2
4. Mucosa.
5. Intestinal villi.
6. Lumen.
What type of cross-section is this?
2 m
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692 words
LX
English
Address all elements of the prompt in your response
Paraphrase, quote and
Focus
ES
Answers
Answer:
sorry cannot paste a pic look it up
Explanation:
sorry
yoar until full yesting is reached at the end of the 7th yoar. True Falsec
Answers
The statement "Yoar until full yesting is reached at the end of the 7th yoar" is false because it contains multiple errors.
Firstly, the word "yoar" is likely a misspelling of the word "year." Secondly, the phrase "until full yesting is reached" is unclear and doesn't convey a meaningful idea. Additionally, the repetition of the word "yoar" at the end of the statement appears to be another typographical error.
Overall, the statement lacks coherence and logical consistency, making it impossible to identify a specific reason for its falsehood. It is important to ensure clear and accurate communication to convey accurate information and avoid confusion or misunderstanding or multiple errors.
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what is the substrate molecule that initiates this metabolic pathway? b. what is the inhibitor molecule c. what type of inhibitor is it? d. when does it have the most significant regulatory effect? e. what is this type of metabolic control called?
Answers
The substrate molecule that starts this metabolic pathway is threonine. The molecule of inhibition is isoleucine. It comes under non-competitive inhibition
When does it have significant regulatory effect?when it connects to an allosteric site, it has the most substantial regulatory impact. The non-active site of an enzyme is in which the allosteric inhibitor interacts. The active site's architecture is altered to prevent the enzyme from binding to its substrate.
What is the name of this kind of metabolic regulation?Through feedback inhibition, isoleucine inhibits threonine deaminase from working. Noncompetitive inhibitors are used in a common biochemical process called feedback inhibition to modulate some enzyme activity. In this process, the finished item blocks the enzyme that catalyses the initial reaction in a chain of reactions.
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Squamous cell carcinoma. A/an _____ also called a solar keratosis, is precancerous skin growth that occurs on sun-damaged skin. It often looks like a red, tan or pink scaly patch and feels like sandpaper.
Answers
Actinic keratosis, also called solar keratosis, is a precancerous skin growth that occurs on sun-damaged skin.
What is skin cancer?Skin cancer is a type of disease caused by the uncontrolled growth of skin cells (i.e., keratinocytes that form the layer of the skin).
A precancerous condition is any type of environmental factor capable of altering the normal functioning of cells and eventually leading to cancer.
Actinic keratosis is a condition caused by excessively dry conditions in the skin as a consequence of a prolonged exposition to solar radiation, which may derive from serious conditions (e.g., skin cancer)
In conclusion, actinic keratosis is a precancerous skin growth that occurs on sun-damaged skin.
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Which statement would least likely be used to describe variation?
O Variations are inherited differences between individuals of the same species.
O Variations that decrease reproductive success are more likely to be passed on.
O Variations may result in changes to an entire population after many generations.
O Variations provide some individuals with an advantage.
Answers
The statement that would least likely be used to describe variation is:
2. Variations that decrease reproductive success are more likely to be passed on.
This statement is incorrect because variations that decrease reproductive success are less likely to be passed on to future generations. In general, variations that are beneficial or neutral are more likely to be passed on, while variations that are detrimental are less likely to be passed on. This is because individuals with beneficial or neutral variations are more likely to survive and reproduce, while individuals with detrimental variations are less likely to survive and reproduce.
How are DNA and proteins related
Answers
Answer: Carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene
Answer:
The significance of DNA is very high. The gene's sequence is like a language that instructs cells to manufacture a particular protein. An intermediate language, encoded in the sequence of Ribonucleic Acid (RNA), translates a gene's message into a protein's amino acid sequence. It is the protein that determines the trait.
Explanation: hope that helps
what are water and carbon dioxide in the cellular respiration reaction
Answers
Answer:
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
in what way is the pupil reflex different from some other reflexes?
A A change in the environment causes impulses in the sensory neurone
B The function of the reflex is protective
C The relay neurones are in the brain
D The response occurs quickly
Answers
Answer: The Answer is A
Explanation:
A wave transfers
a
Energy
b
Particles
c
Water
d
Air
Answers
Answer:
a
Explanation:
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.
Which of the following is not true about the rock layers?
Answers
Answer:
Layer C is older than layer F
Explanation:
They are the same age
Which of the following is a true statement?
A. Controlled experiments demonstrate that plants gain most of their mass from water.
B. Because matter cannot be created, plants must gain their mass from water, soil, or air.
C. Plants grow larger when planted in nutritious soil because they are taking in more mass from the nutrient-rich soil.
D. Plants gain most of their mass from water and the nutrients they absorb from the soil.
Answers
Answer:
C. Plants grow larger when planted in nutritious soil because they are taking in more mass from the nutrient-rich soil.
Explanation:
hope this helps :)
What is the hypothesis? The higher the temperature of water, the faster an egg will cook
Answers
Answer:
The higher the temperature of the water, the faster an egg will cook
Does this help?
genome-wide expression profiling identifies a novel mirna-based panel for the detection of local recurrence in patients with pancreatic ductal adenocarcinoma
Answers
The statement you provided highlights the use of genome-wide expression profiling to identify a novel microRNA (miRNA)-based panel for detecting local recurrence in patients with pancreatic ductal adenocarcinoma (PDAC). Here's some expanded information on this topic:
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive and deadly form of cancer that arises from the cells lining the pancreatic ducts. Local recurrence refers to the reappearance or regrowth of cancer cells in the same location or near the site of the initial tumor after treatment.
Genome-wide expression profiling is a technique used to analyze and measure the activity of thousands of genes simultaneously in a particular biological sample. It allows researchers to identify patterns of gene expression that are associated with specific conditions, including diseases like PDAC.
MicroRNAs (miRNAs) are small non-coding RNA molecules that play a crucial role in regulating gene expression. They can modulate the activity of multiple target genes and are involved in various biological processes, including cancer development and progression.
The statement suggests that through genome-wide expression profiling, researchers have identified a panel of miRNAs that show distinct expression patterns in patients with local recurrence of PDAC. This miRNA-based panel could potentially serve as a diagnostic or prognostic tool to detect the presence of recurrent disease in these patients.
The identification of such a miRNA panel could have clinical significance by providing a non-invasive or minimally invasive approach for monitoring PDAC patients for local recurrence. It may also help in tailoring personalized treatment strategies for individuals at high risk of recurrence or facilitating early intervention in case of disease relapse.
It's important to note that the specific details and findings of the study or research article you mentioned would require accessing the content directly to obtain a comprehensive understanding of the methodology, results, and implications of the study.
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What would happen to a food chain if the producer were eliminated?
1. Nothing, all organisms would continue to survive.
2. Other producers in the food chain would be consumed.
3. An organism in the food chain that depends on the producer would be eliminated.
4. More consumers would develop in the food chain.
Answers
3. An organism in the food chain that depends on the producer would be eliminated.
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In our solar system, how do the general characteristics (composition, number of moons, presence of rings, and atmosphere) of the outer planets differ from the general characteristics of the inner planets?
Answers
Answer:
The four Inner planets have slower orbits, slower pin, no rings and they are made of rock and metal. The four Outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings.
The Outer planets are made of hydrogen and helium, so they are called gas giants.
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The solar system has eight planets, the remaining four are outer planets, and four are inner planets, beyond the asteroid belt are the outer planets.
How do outer planets differ from inner planets?The term "Jovian planets" refers to gaseous outer planets. Terrestrial planets are the inner planets. While inner planets only have one to two moons, outer planets have a large number of moons.
Compared to outer planets, inner planets are located closer to the Sun. The size of the outer planets is greater than that of the inner planets.
The orbital periods of outer planets are longer than those of inner planets. Unlike inner planets, outer planets have a ring system.
Therefore, the four outer planets have a more extensive moon and ring systems, longer orbits and spins, and are made up mostly of gases and liquids.
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Which of these organisms have been negatively affected at the species level due to human-induced environmental changes? zebra mussels and kudzu kudzu and dodo birds zebra mussels and Caribbean monk seals Caribbean monk seals and dodo birds
Answers
Answer:
d
Explanation:
The pectoral complete what muscle functio. Druing work? extension flexion rotation
Answers
The pectoral muscles are responsible for performing several important functions during work. The primary functions of the pectoral muscles are extension, flexion, and rotation therefore the correct option is D.
Extension is the action of uncurling the arms out from the body. This is used in conditioning similar as pushing up from a lying position. Flexion is the action of bending the arms at the elbow. This is used in conditioning similar as lifting a weight. Eventually, gyration is the action of rotating the arms around the shoulder joint.
This is used in conditioning similar as throwing a ball. In addition to these primary functions, the pectoral muscles also help to stabilize the shoulder joint and support the body during conditioning similar as running and climbing. Together, these functions make the pectoral muscles important for performing diurnal tasks.
Hence the correct option is D.
Question is incomplete the complete question is
The pectoral complete what muscle function Druing work?
a extension
b flexion
c rotation
d all
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17. Hydrolysis of GTP by EF-Tu is thermodynamically required for A) aminoacyl-tRNA binding to the ribosomal A site. B) proofreading. C) transpeptidation. D) translocation. E) none of the above.
Answers
Hydrolysis of GTP by EF-Tu is required for the movement of the ribosome along the mRNA, which is known as translocation. This process is essential for the synthesis of proteins during translation. So the correct answer is option D.
The hydrolysis of GTP by EF-Tu is important for translocation, which is the movement of the ribosome along the mRNA molecule during translation. This movement requires the release of EF-Tu from the ribosome and the formation of new peptide bonds between the amino acids in the A and P sites of the ribosome. The hydrolysis of GTP by EF-Tu also plays a role in proofreading during translation by allowing EF-Tu to monitor the accuracy of the codon-anticodon interaction between the mRNA and the tRNA molecule. However, this process is not thermodynamically required for proofreading, as proofreading can still occur in the absence of GTP hydrolysis.
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