Answer: hope this was hopeful
Explanation:
Title: Photosynthesis VS Respiration.Objective: Differentiate photosynthesis and respiration in terms of cell structures involved, rawmaterials, end product and energy
Which of the following components of blood makes up the smallest percentage by
volume?
O plasma
leukocytes & thrombocytes
erythrocytes
The components of the blood that constitute less volume are leukocytes and thrombocytes.
What are leukocytes and thrombocytes?Leukocytes or better known as white blood cells are blood cells that are formed in the bone marrow which will perform the body's immune tasks, that is, they will protect the body from foreign substances or infectious agents. Leukocytes include neutrophils, basophils, eosinophils, monocytes, and lymphocytes.
As for thrombocytes, or better known as platelets, they are fragments of cytoplasm of megakaryocytes, which are multinucleated cells found in the bone marrow. Platelets will have their function in hemostasis, that is, to stop hemorrhagic processes through the formation of clots or thrombi.
Therefore, we can confirm that the components of the blood that constitute less volume are leukocytes and thrombocytes.
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What type of animal symmetry also includes the formation of a head? What is this process called?
Those with radial symmetry display cephalization.
Those with radial symmetry have an oral side.
Those with asymmetry display cephalization.
Those with bilateral symmetry display cephalization.
Answer:
Bilateral symmetry display cephalization
Explanation:
five impacts of human activity in natural resources
Atrazine is an herbicide that prevents plant growth by inhibiting photosynthesis. Atrazine works by binding to proteins in the electron transport chain of photosystem II. Once atrazine binds to the proteins, electrons can no longer travel down the chain to reach photosystem I.
Based on this information, how does atrazine stop plant growth?
A.
It prevents the formation of ATP and NADPH, which are needed by the light-independent reactions to make sugars.
B.
It prevents the formation of NADH and FADH2, which are needed by the light-independent reactions to fix carbon.
C.
It prevents chlorophyll from creating electrons, which are needed by the light-dependent reactions to make sugars.
D.
It prevents water from releasing oxygen, which is needed by the light-dependent reactions to fix carbon.
Answer:
C.
It prevents chlorophyll from creating electrons, which are needed by the light-dependent reactions to make sugars.
A 100% efficient light bulb is the one that converts all the electricity to light without producing any heat. which of that following methods is the most economical way of increasing the light output from a lamp ?
a) Replace the light with a new one
b) Clean the light surface
c) Switch of the bulb
d) None of the above
Answer:
d
Explanation:
Buying a new light bulb will cost money so it is economically inefficient. Cleaning the light surface doesn't increase the light output from the lamp and switching off the bulb means no light at all, therfore the answer is none of the above.
Es responsable del pensamiento y de que conocemos como sentimientos
Which group of marine animals lives mostly in tropical waters?
A) sirenians
B) pinnipeds
C) fissipeds
D) cetaceans
Answer: Sirenians
Explanation: Sirenians are usually found in shallow waters, as aquatic plants do not grow at significant depth where light is restricted.
Cell membranes:
What are all the main components of a cell membrane responsible for?
Please give a list of all their functions :))
Answer:
Nucleus
it is responsible for control all the function
Why is heart disease so prevalent in the United States?
Answer:
High blood pressure, cigarette smoking, and high blood cholesterol are still major contributors to the national epidemic of cardiovascular disease. High blood pressure affects approximately 1 in 3 adults in the United States,3 and only about half of them have it under control.
Explanation:
cellulose is a simple carbohydrate that animals use for energy.
true
false
Answer:
True
Explanation:
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What is gene therapy? Why does it not work well in the real world (research)?
Answer:
What is gene therapy?
Gene therapy is a medical field which focuses on the genetic modification of cells to produce a therapeutic effect or the treatment of disease by repairing or reconstructing defective genetic material.
Why does it not work well in the real world?
A gene can't easily be inserted directly into your cells.
Answer:
Gene therapy has some potential risks. A gene can't easily be inserted directly into your cells. Rather, it usually has to be delivered using a carrier, called a vector. The most common gene therapy vectors are viruses because they can recognize certain cells and carry genetic material into the cells' genes.
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Why does fast moving or falling water turn white?
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Answer:
When water is moving fast, it bounces with other particles of water and it jumps and comes back to its normal place, while it jumps, there are tiny air bubbles of water that get between the two layers of water. And when this happens in a very great amount, then the water turns white.
Explanation:
When fast moving water is there, then the water particles bump on to each other, what happens is that as you know, when something bumps to another thing, it bumps and goes away, so same does the water, the water goes away, and then it comes back. but in the between time, tiny air particles and tiny airbubbles become trapped in the middle. When they get trapped, they make a white color.
So that was why, fast moving water turns white.
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what is the transfer of genes from one population to another called ?
Answer:
Gene flow
Explanation:
Answer:
Gene flow is the movement of genes into or out of a population. Such movement may be due to migration of individual organisms that reproduce in their new populations, or to the movement of gametes (e.g., as a consequence of pollen transfer among plants).
When were the first pictures of the Milky Way taken?
Answer:
The first pictures of the Milky Way were taken on May 20, 1990.
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Which statement about chromosomes is correct?
1.A gene is made up of one allele on a single chromosome. A person’s sex cells contain that single allele.
2.A gene is made up of two alleles on the same chromosome. A person’s sex cells contain one of the alleles.
3.A gene is made up of one allele spread over two chromosomes. A person’s sex cells contain that single allele.
4.A gene is made up of two alleles on separate chromosomes. A person’s sex cells carry one allele for each gene.
Answer:
4 option is correct
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Outline the fate of food after absorption.
Answer:
The small intestine absorbs most digested food molecules, as well as water and minerals, and passes them on to other parts of the body for storage or further chemical change. Specialized cells help absorbed materials cross the intestinal lining into the bloodstream.
What are these threes categories?
Cheese
Flour
Butter
(Carbohydrates, Protein, Or Lipids?) They CAN BE THE SAME CATEGORIES?
Answer:
cheese=carbohydrate
flour=protien
butter=lipids
Explanation:
Question 10:
Substances known to produce or
promote cancer are called…
A) cyclins
B) malignancies
C) carcinogens
Answer:
C) Carcinogens
Explanation:
I hope this helps you
Que son las constelaciones
which activities of the body are controlled by the autonomic nervous system?
Explanation:
The autonomic nervous system controls internal body processes such as the following:
Blood pressure
Heart and breathing rates
Body temperature
Digestion
Metabolism (thus affecting body weight)
The balance of water and electrolytes (such as sodium and calcium)
The production of body fluids (saliva, sweat, and tears)
Urination
Defecation
Sexual response
Which molecules make up carbohydrates?
1.nucleotides
2.nucleic acids
3.monosaccharides
4.O amino acids
Answer:
b
Explanation:
Answer: monosaccharides
Explanation:
4. How is biodiversity affected as a result of deforestation? *
Biodiversity increases and deforestation increases
Biodiversity increases as deforestation decreases
Deforestation increases as biodiversity increases
Biodiversity is not affected by deforestation
Which of these must be absorbed by animal cells in order to grow?
Which of these must be absorbed by animal cells in order to grow?
genes
nutrients
sunlight
chromosomes
Answer:
Nutrients
Explanation:
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Which element is most likely to replace hydrogen in a displacement reaction?
(1 point)
O lithium (Li)
O helium (He)
O bromine (Br)
O oxygen (O)
Answer: The correct option is (D) lithium (Li).
Explanation: Hydrogen is the element which belong to period 1. The atomic number of hydrogen is, 1
The electronic configuration of hydrogen is,
The number of valence electrons present in hydrogen is, 1.
(A) Helium is the element which belong to period 1. The atomic number of helium is, 2
The electronic configuration of helium is,
The number of valence electrons present in helium is, 2.
(B) Oxygen is the element which belong to period 2. The atomic number of oxygen is, 8
The electronic configuration of oxygen is,
The number of valence electrons present in oxygen is, 6.
(C) Nitrogen is the element which belong to period 2. The atomic number of nitrogen is, 7
The electronic configuration of nitrogen is,
The number of valence electrons present in nitrogen is, 5.
(D) Lithium is the element which belong to period 2. The atomic number of lithium is, 3
The electronic configuration of lithium is,
The number of valence electrons present in lithium is, 1.
From this we conclude that the lithium element has the same number of valence electrons as hydrogen.
Hence, the correct option is (D) lithium (Li).
The element that can be considered as a replacement for hydrogen in displacement reaction is lithium (Li)
Displacement reaction can be regarded as type of reaction whereby atom is been displaced by another atom in a molecule. Hydrogen has one valence electrons which is the same as the valence electrons in Lithium, and this implies that it can replace Hydrogen in a displacement reaction.Therefore, option A is correct.
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• REALIZAR LA CONFIGURACION ELECTRONICA DEL POTASIO (k= 19) Y DEL SODIO. (Na=11)
Teniendo en cuenta la definición de configuración electrónica y el principio de Aufbau, el potasio K tiene una configuración electrónica de 1s²2s²2p⁶3s²3p⁶4s¹, mientras que el sodio Na tiene una configuración electrónica de 1s²2s²2p⁶3s¹
Configuración electrónicaLa configuración electrónica de los elementos es la disposición de todos los electrones de un elemento en niveles y subniveles de energía (orbitales).
Hay 7 niveles de energía, numerados del 1 al 7, y en los que los electrones se distribuyen, lógicamente, en orden según su nivel de energía. Los electrones con menos energía girarán en el nivel 1.
Cada nivel se divide en subniveles. Estos subniveles en los que se divide cada nivel pueden ser hasta 4. Estos 4 subniveles se denominan: s, p, d, f.
En el subnivel s solo puede haber un máximo de 2 electrones, en p puede haber un máximo de 6 electrones, en el subnivel d 10 electrones y finalmente en el subnivel f puede haber un máximo de 14 electrones.
En el nivel 1 solo hay un subnivel, que será el s. En el nivel 2 hay 2 subniveles, el s y el p. En el nivel 3 hay 3 subniveles s, p y d. Y en el nivel 4 hay 4 subniveles, el s, el p, el d y el f.
Principio de AufbauEl principio de Aufbau es un principio de la física atómica, que explica cómo se acomodan los electrones en sus órbitas alrededor del núcleo del átomo.
Este principio establece que el llenado de estos orbitales ocurre en orden creciente de energía, es decir, desde los orbitales de menor energía a los de mayor energía.
El más simple de los subniveles es 1. Si llena los 1, puede comenzar a llenar los 2. Una vez que se satisface el subnivel 2s, el 2p puede comenzar a llenarse y así sucesivamente.
Número atómicoEl número atómico es el número de protones que se encuentran en el núcleo de un átomo y varía de un elemento a otro, dependiendo de sus propiedades.
En un átomo eléctricamente neutro, es decir, la carga eléctrica es cero, un número de protones coincide con el número de electrones.
Este casoEn este caso, el potasio K tiene un numero atómico de 19, y considerando que es un átomo eléctricamente neutro, el elemento posee 19 protones y 19 electrones.
Entonces, teniendo en cuenta la definición de configuración electrónica y el principio de Aufbau, su configuración electrónica es:
1s²2s²2p⁶3s²3p⁶4s¹
Por otro lado, el sodio Na tiene un numero atómico de 11, y considerando que es un átomo eléctricamente neutro, el elemento posee 11 protones y 11 electrones. Entonces su configuración electrónica es:
1s²2s²2p⁶3s¹
En resumenEn resumen, el potasio K tiene una configuración electrónica de 1s²2s²2p⁶3s²3p⁶4s¹, mientras que el sodio Na tiene una configuración electrónica de 1s²2s²2p⁶3s¹
Aprende más:
https://brainly.com/question/19427553?referrer=searchResultswrite any two characteristics of the animal that live in dry climate
Answer:
large, flat feet - to spread their weight on the sand. thick fur on the top of the body for shade, and thin fur elsewhere to allow easy heat loss.
a large surface area to volume ratio - to maximise heat loss. the
ability to go for a long time without water -
they lose very little water through urination
A de-shelled egg is placed in tap water. The egg grows in size.
What is the best explanation for this change in size?
Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell.
Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.
Ions in the water moved into the cell through diffusion because there were more ions outside the cell than inside the cell.
Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.
Answer:
Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.
Explanation:
The de-shelled egg when placed in water swells because the concentration of water molecules outside the egg is much higher than the concentration of water molecules inside the egg, as a result of which endosmosis takes place and water from the beaker enters into the egg.
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A community needs more electrical energy. The community is located in an area with the following characteristics : Average wind speed of 15 to 20 mph . One small river with slow currents Rainy conditions most of the year No coal or oil deposits Based on this information, which alternative energy source should the community consider investing in?
A Biopower
B hydropower
C Solar energy
D Wind energy
I’ll make you Brianlist if you give me the correct answer.
Select the correct answer.
The image shows EKGs of a person with normal heart waves and of a person having tachycardia. Based on this image, what kind of condition
is tachycardia?
The correct answer based on the question made in the picture is A. the heart beats abnormlly fast.
What kind of condition is tachycardia?Tachycardia is a heart condition in which the heart rate increases over 100 beats per minute. This occurs when cardiac impulses do not work properly and this in the long term can cause severe problems.
There are several types of tachycardia, It is not always a problem, sometimes It can be in response to exercise or stress.
In the types of tachycardia we can find: atrial fibrillation, ventricular tachycardia, atrial flutter, supraventricular tachycardia, ventricular fibrillation.
Therefore, we can confirm that the correct answer based on the question made in the picture is A. the heart beats abnormlly fast.
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