What are possible solutions of moving forward and what can be learned from 2021 Winter Climate Crisis?
Answers
Answer:
Some possible solutions include:
1- to replace oil and gas energies with renewable sources
2- to replace fossil fuel-based transport systems with sustainable methods
3- to recycle material
4- to prevent air pollution
Explanation:
The replacement of fossil fuel energy sources with renewables energy sources (e.g., solar energy, wind energy, geothermal energy) can be considered the most important strategy to reduce (and even revert) the human effects on climate change. Moreover, sustainable transportation systems or 'green transport methods' (e.g., walking, cycling) don't consume fossil fuels, and therefore they have zero impact on the environment. Recycling materials can also be very useful in order to reduce greenhouse gases (e.g., CO2) by reducing the consumption of energy. Finally, methods to prevent air pollution (for example, by avoiding the burning of leaves and trash) can be applied in order to reduce CO2 emissions and thus minimize environmental impact.
Related Questions
HELO ME PLEASE IM BEING TIMED
Answers
What are the inputs of the light dependent reactions?.
Answers
Answer:
6 water molecules (and technically sunlight/energy)
Explanation:
The inputs of photosynthesis are water and carbon dioxide (and energy); water is used in the light-dependent reactions, and carbon dioxide is used in the light-independent. The water has to be there to replace the lost electrons in the chlorophyll that leave the thylakoids after being excited by the solar energy.
Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
Answers
The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
Learn more about non-DNA components here:-
https://brainly.com/question/32988546
#SPJ11
A coccus bacterium, such as streptococcus pneunoniae, would be ________________.
Answers
A coccus bacterium, such as streptococcus pneumonia, would be round.
Streptococcus pneumonia is a bacteria that causes pneumococcal disease. It is an infectious disease that can spread from one person to another through the means of infected droplets. The primary organs that are affected by this disease are the lungs. The symptoms include short breaths, fever, cough, chest pain, etc. Hearing impairments, brain damage, and even death are also considered in severe cases.
PPSV23 and PCV13 are the vaccines recommended for adults and infants respectively to protect from pneumonia-causing bacteria. People should take precautions while traveling and spending time in crowded areas.
Streptococcus pneumonia is an oval or round-shaped gram-positive bacteria that generally lives in the confidential area of the human body as a pathogen.
To know more about streptococcus pneumonia, refer to the following link:
https://brainly.com/question/22774534
#SPJ4
El Nino is a band of warm ocean water in the Atlantic Ocean.
Answers
Answer:
True
It is responsible for many hurricanes, and develops in the central and east-central equatorial pacific.
I hope this helps!
2.2. Which of the following is NOT a type of animal hair which may be found at a crime
scene?
(25 Points)
A. Pelts and furs
B. Wild game
C. Domestic
D. Fibers
Answers
Answer:
Diber
Explanation:
The branch of science used for criminal investigation and sample analysis with biological methods to find the proof and clues for the crime is called forensic science. It utilizes the genetic makeup of the organism to catch the culprit based on the evidence collected.
Wild game is not a type of animal hair that may be found at a crime.
Why hair is used for forensics?Hairs and other samples like blood, nails, clothes and other stains can be used for the investigation of the culprit in forensic sciences. The hair sample can be used for the DNA analysis of the culprit by screening the sample and are checked and is tested for suitable culprit match. The hair sample can be a piece of good evidence for testing as it can last longer and the elements of it do not degrade at a fast rate.Therefore, option B is correct.
Learn more about hair and forensics here:
https://brainly.com/question/12267305
___________ is a protein that stabilizes existing actin micofilaments
Answers
Tropomyosin is a protein that stabilizes existing actin microfilaments.
Tropomyosin is a two-stranded, alpha-helical coiled-coil protein that twists along the actin filament surface, spanning seven actin monomers. It stabilizes existing actin microfilaments by preventing actin polymerization and depolymerization.Tropomyosin is a long, thin, fibrous protein that binds to the actin molecule's grooves.
It stabilizes actin microfilaments by promoting the formation of microfilaments and inhibiting the depolymerization of microfilaments by sterically blocking actin filament association. Tropomyosin's coiled coil binds to a continuous groove on the surface of actin monomers, which serves as a scaffold for troponin to attach to tropomyosin.The tropomyosin molecule stabilizes the actin filament by preventing the myosin head from binding to the actin monomers, causing muscle contraction.
To know more about microfilaments visit:
https://brainly.com/question/30516882
#SPJ11
Give the complementary nucleotide sequence needed to make this a double helix. T – C – G – G – T – C *
A. U-G-C-G-U-G
B. A-G-C-G-A-G
C. A-G-C-C-A-G
D. A-G-C-C-U-G
Answers
Answer:
C. A-G-C-C-A-G
Explanation:
It is the complementary nucleotide sequence needed to make this a double helix. So, option (C) is the correct answer.
The complementary nucleotide sequence needed to make this a double helix,
The correct answer is : option (C) . A-G-C-C-A-G
What is nucleotide sequence?
Nucleotide sequence or Base sequence is the order of nucleotide in a nucleic acid molecule.The nucleotide sequence within a gene determines the amino acid sequence of a protein product or the RIBONUCLEOTIDE sequence of an RNA product.Why other options are incorrect?
Options (a), (b), (d) are incorrect because they are not complementary nucleotide sequence needed to make this double helix.So, option (C) is the correct answer.
learn more about nucleotide sequence below,
https://brainly.com/question/300546
#SPJ2
Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.
Answers
Answer:
Explanation:
The descriptions provided in the question can each be placed into its corresponding Stage of Sleep, like so...
Stage 1
- Alpha waves dominate
- Feeling a drifting sensation
Stage 2
- Light sleep
- Sleep spindles occur
- Beginning of decline in respiration and blood pressure
Stage 3
- Typically begins about 20 minutes after stage 1
Stage 4
- Vital signs are at their lowest levels
- Delta waves dominate
1- Define Photosynthesis.
Answers
Answer: the process in which plants use sunlight to synthesize food from carbon dioxide and water.
Explanation:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
the infection of cells by the human immunodeficiency virus (hiv) requires the virus to bind to the cell surface molecule cd3 and a second coreceptor molecule, ccr5 or cxcr4. in scandinavian populations a mutation in ccr5 results in functional loss of ccr5 expression and exists at an allelic frequency of about 10 to 18 percent. homozygous loss-of-function carriers are protected from infection by hiv strains that bind ccr5, and this mutation is also believed to have been protective against smallpox infection. this ccr5 mutation is evidence that mutations
Answers
The two kinds of HIV resistance that exist are caused by a genetic variation called CCR5-delta 32. HIV is prevented from entering immune cells by CCR5-delta 32.
The CCR5 co-receptor cells exteriors shrinks more than usual and stops sticking out from the cell as a result of the mutation. The CCR5 co-receptor functions as a doorway for HIV to enter cells. In a sense, the CCR5-delta 32 mutation "locks the door," preventing HIV from entering the cell. 1% of Northern European descendants, especially Swedes, are immune to HIV infection. These fortunate individuals are homozygous carriers of the mutant gene, which means they received a copy from each parent. One copy of the gene was inherited by an additional 10–15% (some sources put the percentage as high as 18%) of people of European ancestry. A mutation with only one copy does not protect against infection. But it does slow the spread of AIDS and lessen the risk of infection for carrier. The CCR5-delta 32 mutation has not been identified in Africans, East Asians, or Amerindians because it is primarily associated with the Eurasia region.
Learn more about HIV
https://brainly.com/question/20890118
#SPJ4
Can anyone help me with my homework
Answers
2. Oil is a (non-renewable) natural resource.
3. Natural resources come from (earth)
4. I don’t know...
5. The wise use of natural resources is called (conservation)
During rest and light activities,______ are the main fuel for muscles.a.fatty acids b.amino acids c.phospholipids d.monosaccharides
Answers
During rest and light activities, fatty acids are the main fuel for muscles.
During low-intensity exercise, our body primarily uses aerobic metabolism to produce energy, and fatty acids are the preferred fuel source for this process. Fatty acids are stored in adipose tissue and muscle tissue as triglycerides and can be broken down into fatty acids and glycerol through a process called lipolysis.
These fatty acids are then transported to the mitochondria in muscle cells, where they are oxidized to produce ATP, the energy currency of cells. The utilization of fatty acids for energy production allows for long-lasting endurance exercise as opposed to short bursts of activity that use carbohydrates as the primary fuel. During high-intensity exercise, such as sprinting or weightlifting, the body relies more heavily on glucose and glycogen as energy sources.
Learn more about lipolysis here:
https://brainly.com/question/30666553
#SPJ11
Which of the following is likely to happen if an excitatory neurotransmitter binds to the receptors on the postsynaptic cell?
A) ligand-gated K+ channels open
B) ligand-gated Cl- channels open
C) ligand-gated K+ channels close
D) ligand-gated Na+ channels open
E) ligand-gated Na+ channels close
Answers
Answer: D) ligand-gated Na+ channels open
Explanation: If an excitatory neurotransmitter binds to the receptors on the postsynaptic cell, it will most likely cause an influx of positively charged ions such as Na+ and depolarize the cell membrane.
This depolarization will result in the opening of ligand-gated Na+ channels, leading to the influx of Na+ ions into the postsynaptic cell. This influx of positively charged ions will depolarize the cell membrane and bring the cell closer to the threshold potential for generating an action potential.
Therefore, the correct answer is D) ligand-gated Na+ channels open. The other options (A, B, C, and E) are less likely to occur because they do not lead to depolarization and are not associated with the generation of action potentials.
know more about excitatory neurotransmitter: brainly.com/question/28101943
#SPJ11
The human nervous system operates on the principle of electric signals sent from the brain to different parts of the body and back again. The electric signals or "currents" must have a conductive path to follow. This conductive path is formed through the use of electrolytes. A crude analogy would be to liken electrolytes to the wires in a circuit in physics lab. Not having enough electrolytes in your body would be the physics equivalent of not having enough wire to send the necessary signals to operate the light bulb in the circuit. In this case, a person's brain might not be able to send the necessary signals to tell the heart to continue beating and a person could die. QUESTION: Consider the opposite scenario. What might be the consequences of having too many electrolytes in your body? What would be the physics circuit analogy in this case?
Answers
Having too many electrolytes in the body can disrupt the delicate balance of electrolyte concentrations, leading to an abnormal physiological state called electrolyte imbalance. While electrolytes are essential for proper nerve function, excessive levels can have adverse effects on various body systems. The consequences of having too many electrolytes in the body can vary depending on which electrolyte is in excess and the severity of the imbalance.
One possible consequence of excessive electrolytes is hypernatremia, an elevated sodium level in the blood. High sodium concentrations can disrupt cellular processes, affecting nerve function and causing neurological symptoms such as confusion, seizures, or even coma. Additionally, an imbalance in other electrolytes like potassium, calcium, or magnesium can also have detrimental effects on nerve and muscle function, leading to irregular heartbeat, muscle weakness or cramps, and other complications.
In terms of a physics circuit analogy, having too many electrolytes in the body can be likened to an overloaded circuit with excessive current flowing through the wires. In this scenario, the excessive current can cause the wires to overheat or melt, leading to a breakdown in the circuit's functionality. Similarly, the excessive electrolytes can disrupt the normal flow of electrical signals in the body, impairing the proper functioning of the nervous system and potentially causing serious health consequences.
For more such answers on electrolytes
https://brainly.com/question/29392504
#SPJ8
A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called...a) osteoarthritis b) rheumatoid arthritis c) osteoporosis d) brittle bone disease
Answers
The chronic inflammation of joints due to autoimmune destruction of articular cartilage is called rheumatoid arthritis.
Rheumatoid arthritis is a chronic inflammatory disorder that primarily affects the joints. It is an autoimmune disease in which the immune system attacks the synovial membrane, the lining of the joints, leading to chronic inflammation and destruction of articular cartilage. Unlike osteoarthritis.
which is caused by wear and tear of the joints, rheumatoid arthritis is a systemic disease that can affect other organs in the body, such as the lungs, heart, and eyes. It is important to diagnose and treat rheumatoid arthritis early to prevent irreversible joint damage and disability. Treatment options include medications, physical therapy, and lifestyle changes. A chronic inflammation of joints due to autoimmune destruction of articular cartilage is called b) rheumatoid arthritis.
To know more about rheumatoid arthritis visit:-
https://brainly.com/question/30130207
#SPJ11
describe the event that occurs when pyruvate enters the mitochondria.
Answers
When pyruvate enters the mitochondria, it is converted to acetyl-CoA by the pyruvate dehydrogenase complex (PDC). PDC is a multienzyme complex that catalyzes the oxidative decarboxylation of pyruvate, producing NADH, CO2, and acetyl-CoA.
Acetyl-CoA is then used to enter the citric acid cycle (TCA cycle), where it is further oxidized to produce NADH, FADH2, and ATP.
The PDC reaction is irreversible and is the rate-limiting step in the oxidation of pyruvate. The PDC complex is located in the mitochondrial matrix, so pyruvate must first be transported into the mitochondria.
This is accomplished by the pyruvate translocase, a carrier protein that transports pyruvate into the mitochondria in exchange for H+ ions.
The pyruvate dehydrogenase complex is a major target for metabolic regulation. The activity of PDC is regulated by a number of factors, including the availability of NAD+, the concentration of pyruvate, and the availability of ADP.
When the levels of NAD+ are low, the activity of PDC is increased. This is because NAD+ is a cofactor for the PDC reaction. When the concentration of pyruvate is high, the activity of PDC is also increased.
This is because pyruvate is the substrate for the PDC reaction. When the concentration of ADP is high, the activity of PDC is also increased. This is because ADP is a signal that the cell needs more energy.
The oxidation of pyruvate is a major source of energy for cells. The NADH and FADH2 produced by the PDC reaction are used to generate ATP in the electron transport chain.
The ATP produced by the oxidation of pyruvate is used to power a variety of cellular processes, including muscle contraction, protein synthesis, and cell growth.
To know more about acetyl-CoA, refer here:
https://brainly.com/question/16000193#
#SPJ11
carcinogens that lead to mutations in the dna of oncogenes are called cancer ______.
Answers
Carcinogens that lead to mutations in oncogenes are called oncogenic mutagens, which can promote cancer development through genetic alterations.
Carcinogens that lead to mutations in the DNA of oncogenes are known as oncogenic mutagens. These substances possess the ability to induce genetic changes within oncogenes, which are specific genes that have the potential to drive the development of cancer. Oncogenes play a crucial role in regulating cell growth, division, and differentiation. When mutations occur within oncogenes due to the exposure to carcinogenic mutagens, their normal function can be disrupted, resulting in uncontrolled cell growth and the formation of tumors.
The impact of oncogenic mutagens lies in their ability to alter the genetic information within oncogenes, leading to abnormal cellular behavior and contributing to the initiation and progression of cancer. These mutagens can cause changes in the DNA sequence, such as point mutations, insertions, deletions, or chromosomal rearrangements, affecting the expression and activity of oncogenes. The dysregulation of oncogenes can disrupt essential signaling pathways, promoting cellular proliferation, inhibiting apoptosis, and enabling the transformation of healthy cells into cancerous cells.
Therefore, the identification and avoidance of oncogenic mutagens are vital for preventing and reducing the risk of cancer development, as they directly impact the genetic integrity of oncogenes and influence the complex processes underlying carcinogenesis.
Learn more about Carcinogens here
https://brainly.com/question/29422741
#SPJ11
I NEED THIS QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?
ATP
PGA
RuBP
NADPH
Answers
Answer:
PGA not sure But Ithink that the correct answer
Explanation:
Each of the following is part of your innate immune system, except:
A Stomach acid
B White blood cells
C Skin
D Mucus
Answers
Answer:
B. White Blood Cells
Explanation:
I missed the word innate for a sec there, but then I looked up whether stomach acid is part of the immune system at all and realized my mistake.
The innate immune system is the part of the immune system one is born with, and we're not born with white blood cells. Those build up over time as we are exposed to pathogens.
Have a great day!
PLZZZZZZZZZZZZZZZZZZ HELP ME THIS REALLY EASY AND IT DUE TODAY AND I JUST DUMD PLZ HELP
How did the factors (politics, culture and economy) we analyzed today affect the development of the Southern colonies?
Answers
Answer:
Settlers in the Southern colonies came to America to seek economic prosperity they could not find in Old England. The English countryside provided a grand existence of stately manors and high living. But rural England was full, and by law, those great estates could only be passed on to the eldest son.
WILL GIVE BRAINLEIST FOR FIRST ANSWER
Answers
Answer:
1. A scientific law is a law is a statement based on experiments that states the facts that follow with a specific occurence
2. The theory of evolution is that life constantly changes over time. Animals and living organisms of all sorts evolve and adapt to survive.
3. I can't seeeee
Explanation:
Answer:
Scientific laws are laws that are based off of experiments or observations
Theory of evolution are based off of the idea of all species are related and graduated over time.
Explanation:
Define specialization as it relates to four-year college majors.
Answers
Explanation:
A specialization is a focused area of study of attached to a specific major, with specific coursework beyond major requirements. A specialization is a focused area of study attached to a specific major, and is in addition to course requirements for the major.
Question 3 (1 point)
Which of the choices below would determine if a protein will perform a specific function for the cell?
Answers
Answer:
you forgot the picture, bud
Explanation:
What chemical reactions create love??
Answers
Answer:
to chemical reactions uuhh hmm boy+ girl= love ig lol
Explanation:
Answer:
You seeing a hot babe
Explanation:
!PLEASE HELP AS SOON AS YOU CAN!
What health and environment factors negatively impact the flow of blood through the body?
Answers
Answer:
cow
Explanation:
feet
geologists describe the rock cycle as ' nature's recycling system' what does it mean? please help
Answers
Answer:
The Rock Cycle is Earth's great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another.Older rocks are destroyed by weathering processes and the remains are recycled into new rocks. This cycle from old rocks to new rocks is called the rock cycle. The interaction between the tectonic and the hydrologic systems causes constant recycling of the materials of the Earth's crust.
explain how thyroxine production is an example of homeostasis
Answers
Explanation:
The production and release of thyroid hormones, thyroxine and triiodothyronine, is controlled by a feedback loop system that involves the hypothalamus in the brain and the pituitary and thyroid glands. ... This system allows the body to maintain a constant level of thyroid hormones in the body.
Plz follow me and Mark me as brainlest please
which human activities are responsible for almost doubling the amount of fixed nitrogen? select all that apply.
Answers
The human activities that are responsible for almost doubling the amount of fixed nitrogen are-
Overuse of fertilizers and pesticidesDeforestationBurning of fossil fuelsNitrogen fixation is a biological process that converts molecular nitrogen in the atmosphere into nitrogenous compounds that plants can absorb and use. Most plants obtain nitrogen from the soil.
Nitrogen undergoes various processes as it cycles between these systems, including:
Nitrogen fixation, the conversion of nitrogen gas into organic nitrogen compounds in the soil, by soil bacteria. Nitrification, the conversion of ammonium into nitrate by nitrifying bacteria. Denitrification, the conversion of nitrate into nitrogen gas by denitrifying bacteria.Nitrogen is essential for the growth of all living organisms, and humans rely heavily on it to grow crops and raise animals for food.
Because of human activities such as overuse of fertilizers, deforestation, and burning of fossil fuels, the amount of fixed nitrogen has almost doubled in recent years.
Know more about nitrogen fixation - brainly.com/question/8951119
#SPJ11
A key defining feature of endocrine pathways is that- they elicit rapid and robust changes to the body's physiology the hormones bind to receptors located on the plasma membrane glandular cells of neurons release hormones into the blood all of these options are true
Answers
A key defining feature of endocrine pathways is that they elicit rapid and robust changes to the body's physiology. Endocrine pathways are a vital part of the human body and are responsible for the communication and regulation of body functions. Endocrine pathways have distinct characteristics that distinguish them from other body pathways.
The hormones, which are the chemical signals of endocrine pathways, are released by glandular cells into the bloodstream, from which they reach their target organs or tissues.The hormones bind to specific receptors located on the plasma membrane of their target cells and exert their effects by initiating a cascade of intracellular signaling pathways. The binding of a hormone to its receptor results in changes in gene expression, metabolism, or other physiological processes that are critical to the regulation and homeostasis of the body.
The response to hormone signaling is usually rapid and robust, which allows for quick adaptation to changes in the environment. In conclusion, the answer to the question is that a key defining feature of endocrine pathways is that they elicit rapid and robust changes to the body's physiology.
To know more about endocrine pathways visit:-
https://brainly.com/question/30551008
#SPJ11