Answer:
Option B, they negate each other
Explanation:
Electrical gradient force is more or less equal to the chemical gradient during an active transport. The number of electron produced during the establishment of chemical gradients, were transferred through the cellular circuit to produce electrical gradient of an equivalent amount in opposite path.
Thus, both electrical and chemical gradient are opposite to each other and hence they negate out each other.
Option B
Answer:
B) they negate each other
Explanation:
The combined effects of electrical and chemical gradients lead to the formation of an electrochemical gradient. This simply means that both an electrical gradient and a chemical gradient can have an effect on the movement of substances, and that their effects may combine (the chemical and electrical gradients encourage movement in the same direction), or they may negate (one gradient opposes another).
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In December, people in the Southern Hemisphere _____.
receive the least direct sunlight
receive the most direct sunlight
receive the most snow of the year
celebrate the summer solstice
Answer:
The winter solstice in the Southern Hemisphere is June 20 or 21, while the summer solstice, the longest day of the year, is December 21 or 22.
So I think the answer is
D) celebrate the summer solstice
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Answer:
D) celebrate the summer solstice
The surface temperature of four stars is shown in the table below. Surface Temperature Star Temperature (Degree Celsius) A 3,600 B 6,000 C 2,000 D 15,000 If one of these stars happens to be blue, which star is most likely to be that color? A B C D
Answer: I think D
Explanation: Blue stars are the hottest stars so therefore ít 15,000
Blue stars are the hottest stars so therefore ít 15,000.
What is Surface temperature?The "surface" of the Earth would feel warm to the touch at a given point based on its land surface temperature.
The "surface" is anything a satellite observes when it peers through the atmosphere to the earth. It might be ice and snow, grass on a lawn, a building's roof, or the leaves in a forest canopy.
The maps displayed here were created using information gathered during the day by NASA's Terra satellite's Moderate Resolution Imaging Spectroradiometer (MODIS). The range of temperatures ranges from -25 (deep blue) to 45 (hot).
Therefore, Blue stars are the hottest stars so therefore ít 15,000.
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will give brainlist, questions
1. Which branch-like extensions carry nerve signals toward the cell body, and there are usually many of them in each cell?
dendrites
nerves
hormones
axons
2. What are all over the body, make up the nervous system, and send messages to the brain?
axons
hormones
dendrites
nerve cells
Final answer:
Dendrites are the branches that carry signals toward a neuron's cell body, and nerve cells make up the nervous system and send messages to the brain.
Explanation:
The branch-like extensions that carry nerve signals toward the cell body are called dendrites. These structures are specialized in receiving incoming information from other neural cells and directing it towards the neuron's cell body.
The components that make up the nervous system and send messages to the brain are nerve cells. These cells, also known as neurons, communicate through their dendrites and axons to transmit nerve impulses throughout the body, enabling our brain to process information and respond accordingly.
How does the cell wall pro text a plant cell?
Answer:
The cell wall is on the inside of the plant cell and it serves to contain the contents in the cell.
Explanation:
Hope my answer has helped you!
This term refers to a species that is among the first to colonize bare land during primary succession. (Please provide reasoning to your answer)
A) indigenous species
B) first species
C) original species
D) pioneer species
7. What part of the cell does 9 represent?
A. Ribosome
B. Centrosome
C. Lysosome
D. Cytoplasm
Answer: The correct answer is -
C. Lysosome.
Explanation:
Lysosomes are the specialised membrane bound organelles that contain digestive enzymes and help in the degradation of foreign particles ( such as bacteria or virus) as well as waste products. They help in the removal of waste products from the body.
Option C) Lysosome is depicted in the given label 9 of the figure.
What process must happen to gaseous nitrogen before plants can use it to grow?
Answer:
nitrogen fixation
Explanation:
Answer:
Nitrogen fixation
The density of a white dwarf is _____.
Far greater than any known material on earth.
Due to electrons orbiting at increased speed.
Far less than material found on earth.
Hello There!
Your answer is the first one.
Far greater than any known material on Earth.
Answer:
Option (1)
Explanation:
The white dwarf stars are defined as objects that are almost similar to the size of the Earth and their mass is equivalent to the sun. The materials that are present within the massive white dwarf cannot undergo any process of fusion reactions due to which they have an absence of energy source.
The density of these white dwarfs is roughly [tex]10^{9}[/tex] kg/m³, which is significantly very high. These are probably the most dense materials that are present in the universe. In order to study the white dwarf stars, the UV astronomy is generally used.
Thus, the correct answer is option (1).
(03.02 MC)Which of the following is true about the ability of water to produce electricity?
A. The kinetic energy of moving water is converted to electrical energy.
B. The moving water releases energy to the surroundings in the form of chemical energy.
C. The energy produced by moving water is converted to potential energy.
D. The total amount of energy produced by moving water is constant.
Answer:
The answer is A. kinetic energy of moving water is converted to electrical energy.
Explanation:
In a hydroelectric power station, the kinetic energy of the water collides with the hydraulic turbines converting it into mechanical energy which rotates the rotor of a generator; which makes this mechanical energy finally becomes electrical energy. This process is known as Hydraulic Energy, where water energy is used to create electricity.
Answer:
A.The kinetic energy of moving water is converted to electrical energy.
Explanation:
I took the test!! FLVS? :)
what is the difference between a producer an a consumer where do producers belong in a food chain
Answer:
Consumers, on the other hand, consume materials generated by the producers and hence they use the food, nutrients and oxygen. ... Animals, man, etc. are good examples of consumers. Producers are capable of photosynthesis, a process by which they covert light energy into chemical energy, while consumers use respiration.
Producers in a food chain make their own food using sunlight, while consumers obtain energy by consuming other organisms.
Explanation:In a food chain, producers are organisms that make their own food using sunlight in a process called photosynthesis. They are usually plants or algae. Producers belong to the first trophic level, as they convert sunlight into usable energy for other organisms in the food chain.
On the other hand, consumers are organisms that obtain energy by consuming other organisms. They cannot produce their own food and rely on producers or other consumers for energy. Consumers belong to higher trophic levels in the food chain.
In summary, the difference between a producer and a consumer is that producers make their own food, while consumers obtain energy by consuming other organisms.
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a woman with type O blood has children with a man who is homoozygous for type B blood. if she were to need a blood transfusion, what is the predicted percentage of her children she could receive blood from
Answer:
There is a 0% chance that a child can donate blood
Explanation:
Since the O gene is recessive, if the mother is type O then she can only give the O gene.
If the father is homozygous for gene B, then he can only give that gene B which is the only one that has
Since gene B is dominant and your children will have an OB combination, then all your children will have type B blood.
To donate blood to a person O, you need to have blood type O. So none of your children can donate blood
The technique of lowering the coverslip at an angle is used to) A. Make organelles B. Reduce the formation of air bubbles C. Make the specimen transparent D. Reduce the size of the specimen
The technique of lowering the cover slip at an angle is used to;
B. Reduce the formation of air bubbles
It is essential that the technique of lowering the cover slip at an angle is used to put a cover slip at that angle and to lower it onto the specimen to avoid creating air bubbles which would interfere with the view.
"The correct answer is B. The technique of lowering the coverslip at an angle is used to reduce the formation of air bubbles.
When preparing a microscope slide, the technique of lowering the coverslip at an angle is primarily used to reduce the formation of air bubbles between the coverslip and the slide. Air bubbles can interfere with the clarity of the specimen under the microscope by causing light to scatter, which can obscure details and reduce the quality of the image. By lowering the coverslip at an angle, one can gently lay it down on the slide, allowing air to escape from beneath it, thus minimizing the likelihood of air bubbles being trapped.
Here is the logic behind the other options:
A. Make organelles - Incorrect. The technique does not create or alter organelles within the specimen. Organelles are intracellular structures that exist naturally within cells.
C. Make the specimen transparent - Incorrect. While reducing air bubbles can improve the clarity of the specimen, the primary purpose of this technique is not to make the specimen transparent but to prevent air bubbles from obstructing the view.
D. Reduce the size of the specimen - Incorrect. Lowering the coverslip at an angle does not reduce the size of the specimen. The size of the specimen is determined by the preparation method before placing it on the slide, such as sectioning or smearing.
Therefore, the most appropriate reason for lowering the coverslip at an angle is to reduce the formation of air bubbles, ensuring a clear and unobstructed view of the specimen under the microscope."
in an investigation to determine a factor that affects the growth of rats a student exposed 100 rats of the same age and species to identical conditions except for the amount of living space and the amount food each rat received. Each day the student measured and recorded the weight of each rat. State one major error that student made in performing this investigation.
Answer:
he amount of living space for the rats and the amount of food are two different variable that will make a mistake the student changed. If you're doing an experiment, you need to control the conditions and the only change ONE variable at a time of each one . If you want to know if the food and the living space affect weight, you should do two different experiments.
i hope this helps you out
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In the described investigation, two major errors are the lack of control group and altering two variables simultaneously. A control group is essential for comparing results, while keeping all but one variable constant helps in asserting a cause-effect relationship.
Explanation:A major error in this investigation is the lack of control group. A control group is a group of subjects that are kept under normal conditions and not exposed to the experimental variable, in this case, changes in living space and food amounts. Without a control group, it’s difficult to determine whether changes in the rats' weight are due to the manipulated variables or to some other, uncontrolled factors.
Another potential error is the simultaneous manipulation of two variables - living space and food amount. Scientific investigations typically require a single variable to be altered at a time while keeping all others constant. This helps to assert a cause-effect relationship between the one changing variable and the observed effect. If two variables are altered simultaneously, it cannot be definitively concluded which one is causing the change in the rats' weight.
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read the following prompt and type your response in the space provided
how does ATP provide energy to your body?
Answer:
ATP, or adenosine triphosphate, is chemical energy the cell can use. It is the molecule that provides energy for your cells to perform work, such as moving your muscles as you walk down the street. ... When ATP is broken down into ADP (adenosine diphosphate) and inorganic phosphate, energy is released.
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ATP, or Adenosine Triphosphate, provides energy to the body by breaking down into Adenosine Diphosphate (ADP) and an inorganic phosphate (Pi), releasing stored energy in the process. This process can be compared to a rechargeable battery, with ATP as energy storage that the body can use.
Explanation:ATP, or Adenosine Triphosphate, is the primary energy source for the cells in our body. It provides energy through a process where it breaks down into Adenosine Diphosphate (ADP) and an inorganic phosphate group (Pi). This process releases energy stored in the ATP molecule that your body can use for numerous functions.
Think of ATP as a rechargeable battery. When ATP breaks down (discharges), energy is released for the body to use. When your body has excess energy, it can charge the battery again by converting ADP and Pi back into ATP. This process is repeated thousands of times in our cells every second. So, ATP is essentially the way our body stores and uses energy.
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in figure 33-5 identify the four chambers of the heart then use them to describe the path through which blood travels in the heart.
Answer:
c. Left atrium
j. right atrium
f. left ventricle
g. right ventricle
Explanation:
The heart consists of four chambers that is two ventricles and two articles.
Blood enters the right atrium goes into the right ventricle.
The right ventricle then pumps blood into the lungs where the blood gets oxygenated.
Pulmonary vein then brings back the blood from lungs into the left ventricle, blood is pumped into the left atrium and out of the heart.
That is the process through which blood navigates in the heart.
47 POINTS!!! NEED CORRECT ANSWERS!!!
Which occurs during an asthma attack?
A.
The lining of the airways becomes swollen.
B.
Mucous dries up.
C.
The airways in the lungs are wide open.
D.
All of the above.
Answer:
The lining of the air away becomes swollen inflamed and thicker mucus is produced
A. The lining of airways become swollen
^^^That's why people start coughing a lot. Air is trying to get through the airways and past all the EXTRA mucous that gets produced (the mucous does NOT dry up)
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What is the benefit to a plant of short, open flowers?
What is the benefit to a bird of a long narrow beak?
I'm not sure about the flower, but I know the narrow beak makes it easier to get certain foods like worms.
The organelles that produce proteins used within the cell are the _____. mitochondria lysosomes ribosomes centrioles
Answer:
Ribosomes
Explanation:
Answer: Option C. "Ribosomes"
Explanation:
The organelles responsible for the production of proteins within the cell are the ribosomes.
A ribosome is known as the protein synthesis site in the cell. Ribosome contains a large and a small subunit, each of which consists of ribosomal proteins and rRNA (ribosomal RNA). During protein synthesis the messenger RNA or mRNA moves through the ribosome and amino acids attached to transfer RNA or tRNAs comes to the ribosome. As a result, the amino acids joined to produce the protein.
Thus, the correct option is Ribososmes.
can anyone help me please) what should be done to provide additional support for the generalization that human arm span is a characteristics that falls within a range of lengths with most lengths falling in the middle ranges?
You would need to gather more of the same data from a different group of students.
Final answer:
To support the generalization about human arm span, collect a large sample size of data, calculate the average, and plot a frequency distribution to visualize the normal distribution of measurements.
Explanation:
To provide additional support for the generalization that human arm span is a characteristic that falls within a range of lengths with most lengths falling in the middle ranges, one could conduct a substantial statistical analysis. This would involve collecting a large sample size of arm span measurements from a diverse population to ensure representativeness. With the data collected, calculating the average arm span and plotting a frequency distribution would illustrate the variation among individuals.
The resulting graph is likely to resemble a normal distribution or bell curve, where the majority of arm span measurements are clustered around the mean, with fewer individuals having arm spans significantly above or below the average. To further examine the factors influencing arm span, one could perform comparative studies between different populations, for example, comparing urban to non-urban dwellers as mentioned in the provided information. Such a study would allow us to see if lifestyle factors, such as those related to an urban environment, have any significant effect on arm span.
Explain how fertilization produces a new individual
Answer:
Explanation:
Egg and sperm join together and the resulting fertilized egg contains all the information needed to grow into a new individual.
By fussion of gametes into the ovum of the female (meiosis)
A particular Arctic climate historically receives snowfall 10 months out of the year. Some rabbits in this climate have white fur, while other rabbits have fur that changes color during the warm months. Over time, the area experiences less snow, only 612
months of the year. Which trait is favorable in this new climate?
Question 1 options:
Brown fur is more favorable because the rabbis spend a majority of the year without snow.
White fur that changes to brown during the warm months is more favorable because the rabbits can be more camouflaged all year long.
Light tan is more favorable because the rabbits can blend into any environment.
White fur is more favorable because the rabbits spend a majority of the year in snow.
Light tan is a trait, which is more favorable in this new climate because rabbits can blend into any environment, hence option C is correct.
How do environmental changes affect the trait of a species?Temperature is the crucial abiotic factor, that affects the species, survival rate, increasing temperature decreases many species survival rates due to alterations that direct to less food, less flourishing reproduction, and intervention with the environment for native wildlife.
A particular Arctic climate affects the fur of rabbits, many rabbits in this climate have white fur, while some other rabbits have fur that changes color during the warm months.
If this climate changes, rabbits need to develop a trait that increases the chance of their survival.
Therefore, light tan is more favorable because the rabbits can blend into any environment.
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how do volvox get food?
Using photosynthesis. They convert sunlight into energy. They eat algae.
They use photosynthesis as with all plants
The reproductive organs of gymnosperms are found in
pollen
cones
seeds
ovaries
How is transported soil different from residual soil?
I have written your answer on my computer and took a photo here it is!!
Answer:
It forms on unconsolidated materials.
Explanation:
Penn Foster's answer
How can pollution be found in greater amounts at higher trophic levels compared to lower trophic levels
Pollution can be found in greater amounts at higher trophic levels compared to lower trophic levels by Biomagnification. It indicates the presence or increase in the concentration of toxic materials or pollutants in the tissues of living organisms in a trophic level of an eco system.
Answer:
Through the process of biomagnification. An example is what happens with mercury in marine species.
Explanation:
Mercury is a pollutant known as a problem for the environment and the oceans, which affects the marine fauna to varying degrees and therefore the health of human beings. Methylmercury is the most toxic form of mercury and accumulates in the tissues of organisms. It is capable of bioaccumulating up to about one million times along the marine trophic chain, from microorganisms to predatory fish and mammals. In view of the ability to accumulate in organisms through trophic levels, higher concentrations are expected to be found in predatory fish and marine mammals (higher trophic levels), through the process known as biomagnification.
How do you pronounce Erinaceinae?
First, that is not how to spell it (erinaceidae). You could also just say hedgehog.
What is the effect of A mutation in the HBB gene, which codes for hemoglobin, produces red blood cells that are rigid and sickle-shaped.
Answer:
Presence of two copies of mutated alleles would cause sickle cell anemia in person.
Explanation:
The gene HBB codes for the beta globin protein of hemoglobin. Hemoglobin is the protein present in red blood cells and serve in oxygen transport. Mutation in HBB gene leads to production of abnormal hemoglobin molecules. These hemoglobin molecules stick to each other and impart stiffness and sickle shape to the red blood cells. Presence of two copies of mutated gene leads to sickle cell anemia characterized by reduced oxygen supply to the body cells and/or blocked blood vessels.
which is the best way to describe the biodiversity of an area?
Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.
Explanation:
Mining is a factor that affects the shape of Florida. Which products contain materials that are mined in the state? Check all that apply.
A.pencils
B.cement
C.bricks
D.plastics
E.rock salt
F.paints
Answer:
they mine for hard materials in Florida so it would be, b,c,e.
Explanation:
Answer:
Option B and F
Explanation:
Florida is rich in deposition of sedimentary rocks and thus mostly it is the rocks like sandstone, calcite etc. which are mined in Florida. Florida is also rich in phosphorus and thus it is also mined.
Of all the given options, cement is made up of grinded calcite, paints consists of phosphorus thus the correct choice of answers is option B and F
What's a pluton? A. A body of igneous rock that forms from cooling lava on Earth's surface B. A body of igneous rock that forms within Earth's crust C. A body of igneous rock that form as a result of intense heat and pressure D. A body of igneous rock that forms along vents in the ocean floor
Answer:
B. A body of igneous rock that forms within Earth's crust
Explanation:
Igneous rocks are of two types: intrusive and extrusive. The extrusive igneous rocks are formed by cooling of lava on the earth surface. The intrusive igneous rocks are formed when the magma cools down within the earth's crust. The intrusive rocks are also called as plutonic rocks. Hence, pluton is a body of an intrusive igneous rock.
Final answer:
A pluton is an intrusive body of igneous rock that forms from slowly cooled magma deep within the Earth's crust, characterized by large crystals. Significant surface exposures of plutons are known as batholiths.
Explanation:
A pluton is an intrusive body of igneous rock that forms when magma cools and solidifies beneath the surface of the Earth. This process allows the magma to cool slowly, leading to the development of large, well-formed crystals. Plutons come in various sizes and shapes, and a large pluton exposed at the surface can be referred to as a batholith, while smaller exposed sections are known as stocks.
Plutons are classified as intrusive, or plutonic, igneous rocks because they are formed from magma intruding into the crust, as opposed to extrusive igneous rocks, which form at the surface.