What effect do the sulfate aerosols formed by volcanoes have on global temperatures?
Answer:
There is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation patterns and generally the global climate system.
a transmembrane segment of a membrane protein is all made up of alpha helix and contains 22 amino acids. what is the thickness of the membrane? if the transmembrane segment was made up of beta strand then how many amino acids in that beta strand will be needed to travel through the thickness of the membrane?
Nine amino acids are needed to travel through the thickness of the membrane.
Alpha-axial helix's distance between amino acids is 1.5. A
The number of gaps between the 22 amino acids in the helix is equal to (22-1) = 21.
Therefore, the helix's length is (21 X 1.5) = 31.5.
One alpha helix is sufficient to span the membrane's breadth, hence the formula is: span of the helix = thickness of the membrane = 31.5 A
The thickness of the membrane is determined by the formula above to be 31.5 AA.
In the beta-strand, there is 3.5 AA between each amino acid.
Therefore, (31.5/3.5) = 9 amino acids are needed.
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Identify the phenotype of the offspring represented by the question mark in Figure 11-4:
Answer:
The guinea pig's phenotype (physical appearance) will be rough white hair
Which Cell is Bigger an Onion cell or a Cheek cell? How do you know?
Answer:
An onion cell
Explanation:
Both are eukaryotic cell. An onion cell is a plant cell having cell wall but cheek cell is an animal cell lacking cell wall.
they are both cells but, Onion cell is a plant cell with a cell wall and a large vacuole. While the human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.
Determine what kind of variation is related to the following trait: Skin color.
A. Only Environmental variation
B. Only Genetics
C. Neither
D. Both Genetics and the Environment
In the beginning of an experiment, there are 10 bacteria. Suppose the rate of growth is proportional to the number of bacteria. After one hour, the number of bacteria increase to 20. Suppose P(t) is the number of bacteria present at time t. Try to find P(t).
In this experiment, the rate of bacterial growth is proportional to the number of bacteria present. We can use this information to find an equation that describes the number of bacteria at any given time.
Let's start by assigning variables. Let P(t) represent the number of bacteria at time t. We know that at the beginning of the experiment, there are 10 bacteria, so we can write this as P(0) = 10.
We are given that after one hour, the number of into 20. This means that after one hour, P(1) = 20.
Since the rate of growth is proportional to the number of bacteria, we can write this relationship as a differential equation: dP/dt = kP, where k is the proportionality constant.
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why is there a rich capillary network around all endocrine glands
the hormones secreted by the endocrine glands enter the circulation and are carried throughout the body to act upon target cells located far away from the secreting glands. Thus, endocrine glands are highly vascularized with many small capillaries among the nests of endocrine cells.
Answer:
the hormones secreted by endocrine gland enter the circulation and are carried throughout the body to act apon targeted cells located far away from the secreting gland. that's the reason why endocrine glands are vascularized with small many capillaries amongst the nest of their cells
(Brainliest at Random [for correct answers only]!!!!!)There are approximately 35,000 bald eagles in Alaska, which covers 586400 square miles. What is the population density for the bald eagles in Alaska?
C- 0.06 bald eagles per square mile
You are on the board of directors of a private high school, which is hiring new tenth-grade science teachers. As you think about hiring someone for a job, what are some mechanisms you might use to overcome the problem of imperfect information?
Some solutions to the problem of inaccurate information include obtaining proof of knowledge, skill, and a professional license through the use of papers and certifications.
When hiring new science teachers for a private high school's tenth-grade class, there are several strategies that may be used to deal with the issue of insufficient information:
When learning more about candidates' qualifications, history of education, job history, and references, it's a good idea to start by asking for their resumes and applications. As a result, the board of directors is able to judge applicants according to their credentials.
Interviews: A smart technique to get more particular information about the applicants is to schedule interviews. The knowledge, teaching skills, and student-relations abilities of a candidate can be assessed through structured interviews with standardized questions. Interviews with a number of board members on a panel can help provide a range of perspectives and decrease personal biases.
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During translation the type of ribonucleic acid is responsible for.
Answer:
The ribonucleic acid is responsible for delivering amino acids to help make a protein.
Explanation:
¿Qué es una droga según la OMS?
¿Qué significa que la droga sea una sustancia psicoactiva?
¿Qué es una adicción?
¿Cuál es el efecto de las drogas depresoras?
¿Cuál es el efecto de las drogas estimulantes?
¿Cuál es el efecto de las drogas alucinógenas?
¿Qué es una droga legal?
¿Qué es el tabaquismo y cuáles son los daños a la salud que provocan?
¿Qué es el alcoholismo y cuáles son los daños que provocan a la salud?
¿Qué es la marihuana y qué efectos positivos y negativos provoca en la salud ?
Answer:
Uno... Una droga es cualquier sustancia (a excepción de los alimentos y el agua) que, cuando se ingiere, altera la función del cuerpo, ya sea física o psicológicamente. Las drogas pueden ser legales (por ejemplo, alcohol, cafeína y tabaco) o ilegales (por ejemplo, cannabis, éxtasis, cocaína y heroína).
Dos... Una droga u otra sustancia que afecta el funcionamiento del cerebro y provoca cambios en el estado de ánimo, la conciencia, los pensamientos, los sentimientos o el comportamiento. Ejemplos de sustancias psicoactivas incluyen alcohol, cafeína, nicotina, marihuana y ciertos analgésicos.
Tres... La adicción es un trastorno biopsicosocial que se caracteriza por el uso repetido de drogas o la participación repetitiva en un comportamiento como el juego, a pesar del daño a sí mismo y a los demás.
Cuatro... Cuando se usan depresores, los efectos a menudo incluyen ataxia, ansiolisis, alivio del dolor, sedación o somnolencia y deterioro cognitivo / de la memoria, así como en algunos casos euforia, disociación, relajación muscular, disminución de la presión arterial o frecuencia cardíaca, depresión respiratoria y anticonvulsivante. .efectos.
Cinco... Ansiedad; tensión; aumento de la temperatura corporal; náusea; temblor; convulsiones coma; muerte.
Seis... Los efectos de los alucinógenos, como el LSD, varían de persona a persona y dependen de la cantidad que se ingiera.
Siete... Las drogas legales son aquellas que se pueden vender, poseer y usar legalmente, aunque a menudo con ciertas restricciones. Incluyen tabaco, alcohol, cafeína, sustancias volátiles y medicamentos de venta libre y recetados. 2 Las drogas ilegales o controladas son aquellas cuya venta, posesión o uso constituye un.
Ocho... Fumar, el acto de inhalar y exhalar los vapores de material vegetal en llamas. Se fuma una variedad de materiales vegetales, incluida la marihuana y el hachís, pero el acto se asocia más comúnmente con el tabaco que se fuma en un cigarrillo, cigarro o pipa. Fumar causa cáncer, enfermedades cardíacas, accidentes cerebrovasculares, enfermedades pulmonares, diabetes y enfermedad pulmonar obstructiva crónica (EPOC), que incluye enfisema y bronquitis crónica. Fumar también aumenta el riesgo de tuberculosis, ciertas enfermedades oculares y problemas del sistema inmunológico, incluida la artritis reumatoide.
Nueve... Los órganos que se sabe que están dañados por el abuso de alcohol a largo plazo incluyen el cerebro y el sistema nervioso, el corazón, el hígado y el páncreas. El consumo excesivo de alcohol también puede aumentar la presión arterial y los niveles de colesterol en sangre, los cuales son factores de riesgo importantes de ataques cardíacos y accidentes cerebrovasculares.
Diez... Los aspectos positivos y negativos: Cómo la marihuana afecta su cerebro y su cuerpo ... También puede acelerar la pérdida de células cerebrales relacionada con la edad, aunque se ha demostrado que la marihuana ... El alcohol y los cigarrillos tienen efectos adversos para la salud mucho peores.
Espero haber ayudado!!!
where do we find chloroplast and chromoplast in hebiscuis
Answer:
Explanation:Chloroplasts are present in the cells of all green tissues of plants and algae. Chloroplasts are also found in photosynthetic tissues that do not appear green, such as the brown blades of giant kelp or the red leaves of certain plants. In plants, chloroplasts are concentrated particularly in the parenchyma cells of the leaf mesophyll (the internal cell layers of a leaf).
explain how enzymes increase the speed of chemical reactions
Answer: Hey! So, enzymes are classified as biological catalysts. "Catalysts" tend to lower the activation energy for chenical reactions, and the lower the activation energy for a chemical reaction, the faster the rate! So, enzymes speed up reactions by lowering activation energy
Answer:
Lowering the activation energy.
As a student jumps over a hurdle, she loses contact with the ground and moves upward. She returns to the ground because unbalanced forces cause a change in the — A mass of the student B height of the student’s jump C gravitational pull on the student D speed and direction of the student
Answer:
I need the picture or the numbers for it
Answer:
I believe its D speed and direction of the student
Explanation:
Unbalanced forces change an objects motion called acceleration
Acceleration is the change in speed or direction of an object
In genetic drift, the allele frequencies in a gene pool change because of.
Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.
Genetic drift is the change in allele frequencies in a population from generation to generation.
All types of muscle tissue have _________.
A. striated banding patterns seen under the microscope
B. cells that lengthen when appropriately stimulated
C. a response that can be consciously controlled
D. interactions between actin and myosin
All types of muscle tissue have interactions between actin and myosin.
Actin filaments, commonly associated with myosin, are involved in a variety of cellular activities.
Myosin is the prototype of the molecular motor - a protein that converts chemical energy into mechanical energy in the form of ATP to generate force and motion.
The most important locomotor pattern of this locomotion is muscle contraction, which has provided a model for understanding actin-myosin interactions and the locomotor activity of myosin molecules.
The actin-myosin interaction is not only involved in muscle contraction but is also involved in a wide range of non-muscle cell movements, including cell division, making these interactions essential. essential for cell biology.
In addition, the actin skeleton is involved in the movement of cells across surfaces, which appears to be directly driven by actin polymerization and actin-myosin interactions.
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As means of locomotion, bacteria posses
The answer is flagella.
Answer:
Flagella.
Explanation: Cause im gangsta
You were looking at a cell under a microscope. It had a large central vacuole, a nucleus, a cell wall and mitochondria. You concluded that it is a:
Responses
Eukaryotic animal cell
Eukaryotic animal cell
Hybrid of a plant and animal cell
Hybrid of a plant and animal cell
Eukaryotic plant cell
Eukaryotic plant cell
Prokaryotic bacterial cell
On the presence of a large central vacuole, a nucleus, a cell wall, and mitochondria, the cell you were looking at is most likely a eukaryotic plant cell. Option C is correct.
Eukaryotic cells are more complex and larger than prokaryotic cells, which lack a nucleus and most organelles. Eukaryotic cells are found in animals, plants, fungi, and protists.
However, Eukaryotic cells have a nucleus, membrane-bound organelles such as mitochondria, and a cytoskeleton. Plant cells, in addition to these organelles, also have a cell wall, a large central vacuole, and chloroplasts for photosynthesis. The presence of a large central vacuole, a cell wall, and mitochondria in the cell you observed suggest that it is a plant cell.
Hence, C. is the correct option.
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--The given question is incomplete, the complete question is
"You were looking at a cell under a microscope. It had a large central vacuole, a nucleus, a cell wall and mitochondria. You concluded that it is a: Responses A) Eukaryotic animal cell B) Hybrid of a plant and animal cell C) Eukaryotic plant cell D) Prokaryotic bacterial cell."--
how geothermal energy is used to create electricity.
the inner layer of the adrenal gland makes the fight-or-flight hormone called
The adrenal gland is a small gland located on top of each kidney. It consists of two main parts: the outer layer called the adrenal cortex and the inner layer called the adrenal medulla.
Each of these layers produces different hormones that have distinct physiological functions in the body.
The inner layer of the adrenal gland is called the adrenal medulla, and it produces two main hormones: epinephrine (also known as adrenaline) and norepinephrine (also known as noradrenaline). These hormones are collectively known as catecholamines and are involved in the body's fight-or-flight response.
During times of stress or danger, the sympathetic nervous system is activated, triggering the release of these hormones from the
adrenal medulla. This leads to an increase in heart rate, blood pressure, and breathing rate, as well as the redirection of blood flow to the muscles and away from the digestive system. These physiological changes help prepare the body to respond to the threat or danger it is facing.
In summary, the inner layer of the adrenal gland produces epinephrine and norepinephrine, which are important hormones involved in the body's fight-or-flight response.
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Which statements describe the importance of the nitrogen cycle to living things? Check all that apply.
Answer:
The nitrogen cycle is very important for living organisms and is biologically usable by them. Very essential for the elaboration of DNA, amino acids, proteins and nucleic acids and fundamental for the development or productivity of agriculture.
Explanation:
name two structures that occur in plant cells but not in animal cells?
Answer: The two structures found in plant cells not in animal cells are cell wall and chloroplast.
Explanation: I hope this helps! :)
Answer: Cell wall and Chloroplast
Explanation:
David is researching caribou for a science project and discovers that they need deep-frozen food.
ice to walk on while looking for food to survive. What are the two earth systems involved
in the interaction of caribou and ice?
A: Biosphere and Atmosphere
B: Atmosphere and geosphere
C: cryosphere and biosphere
D: Geosphere and cryosphere
Cyrosphere and biosphere are the two earth systems involved
Caribou are members of Earth's Biosphere which is an umbrella term for all the living organisms on Earth.
The Cyrosphere refers to any and all areas of the Earth where water is in frozen form.
David learning that Caribou need deep frozen ice to walk on is an interaction of these two systems as it shows a living organism being the Caribou interacting with deep frozen ice which is part of the Cyrosphere.
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Between 1994 and 1997, 70 Addax were released into fenced sections of protected areas in Tunisia and Morocco. By
2003, their numbers had increased to about 200. This is an example of
OA. Ex situ conservation
OB. Coppicing
OC. Habitat management
D. In situ conservation
It is an example of Ex situ conservation. The correct option is A.
What is ex-situ conservation?It is a method of conserving biodiversities outside their natural habitats.
Ex situ conservation is in direct contrast to in situ conservation. This means that in in-situ conservation, biodiversities are conserved in their natural habitats.
In the illustration, the Addax were released into fenced sections of protected areas in two countries.
The fenced section means that the Addax were not allowed to roam freely as they would in their natural habitats. The fenced section means that their movement is limited as compared to natural habitats.
Thus, the Addax were being conserved ex-situ.
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What is the difference between biosphere reserve and national park (Pls give in table form only with atleast 3 points)(no examples!)
Answer:
Explanation:
Differences between biosphere reserve and national park:
BIOSPHERE RESERVE
1) It is ecosystem-oriented, hitched to the whole ecosystem and includes all life forms.
2) The average size ranges over 5670 sq km.
3) It is not permissible for tourism.
NATIONAL PARK
1) It is the habitat for a particular wild animal species.
2) The average size ranges from 0.04 to 3162 sq km.
3) It is permissible for tourism.
What will be the phenotype of the fly that grows from the fertilized cell shown below?
A. Normal wings, black body, antenna, and red eyes.
B. Curly wings, brown body, legs on head, and red eyes.
C. Curly wings, brown body, legs on head, and orange eyes.
D. Normal wings, brown body, legs on head, and red eyes.
Answer:
D
Explanation:
Normal wings, brown body, legs on head, and red eyes.
The cut off part says happening
There will be approximately... mice in four months in a population of 1,000 mice where 500 mice are born
and 400 mice die monthly,
O 1,160
O 1,460
O 1.060
O 1.260
O 1,360
Answer:
I think it is 1360
Explanation:
in contrast to recent background extinction levels of 5 to 10%, background extinction was about 50% during the cambrian. this is because
Their are multiple factors that effect extinction are: Deforestation, invasive species introduction, climate change, hunting and illegal trafficking
At the conclusion of the Permian epoch, 50% of animal families are vanished.Every 4 million years on average, a species will become extinct. large-bodied creatures that became extinct as a result of human predation. Following the extinction of the dinosaurs, mammals underwent significant diversity.
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Part E
Tsunami evacuation plans often consider the elevation of the community and its distance from the shoreline when
deciding which towns to evacuate. How could this data help in building new homes and communities along coastal
areas that are prone to tsunamis?
Well-executed evacuations are key to minimizing loss of life from tsunamis, yet they also disrupt communities and business productivity in the process.
What is an evacuation?
Answer:- An evacuation shelter is built for longer-term usage; it offers catastrophe survivors who have been forced from their primary dwellings because of natural or man-made disasters a safe, sanitary, and secure environment as well as life-sustaining amenities. A building or earthen mound designed as a place of refuge in the event of a tsunami is known as a vertical evacuation tsunami evacuation building refuge. The shelter is built to withstand an earthquake and resist the effects of a tsunami and is intended for short-term (12–24 hour) protection. It is tall enough to lift refugees above the level of a tsunami inundation.
Therefore, Well-executed evacuation consider the elevation of the community.
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