Every other object revolves around the Sun because the Sun is the most massive object in the Solar System. Therefore, the correct option is D.
The Sun's powerful gravitational pull causes every other object in the Solar System to revolve around it. The force that controls how celestial bodies move through space is called gravity. All the planets, moons, asteroids and comets in the Solar System are under the strong gravitational pull of the Sun due to their enormous mass.
As a result these objects are constantly pulled towards the Sun, due to which they revolve around it. As we know, the Solar System was formed by the interaction of the gravitational force of the Sun and the forward motion of these bodies, which keeps them in stable orbits.
Therefore, the correct option is D.
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When a cell is placed in a hypertonic solution, the cell may shrink. If the cell decreases in size, its ability to eliminate wastes by diffusion would
A. decrease because the solution would prevent materials from leaving the cell
B. decrease because the cell would now have less waste needing to be disposed of
C. increase because the surface-area-to-volume ratio of the cell would increase
D. increase because water and wastes would be drawn out of the cell into the solution
When a cell is placed in a hypertonic solution, the cell may shrink. If the cell decreases in size, its ability to eliminate wastes by diffusion would increase because the surface-area-to-volume ratio of the cell would increase.
What is meant by the hypertonic solution?The solution which contains more amount of solute than the solution is called a hypertonic solution. If the solution contains less amount of solute then the surrounding is called a hypotonic solution.
If the solution contains the same amount of solute then the surrounding it is called an isotonic solution.
If the cell is placed in hypertonic solution then cell will shrink because solutes and water tend to flow along their gradients. Surface area to volume ratio of the determine the size of the cell. When a cell grows in size its volume is higher than the surface area.
Therefore, When a cell is placed in a hypertonic solution, the cell may shrink. If the cell decreases in size, its ability to eliminate wastes by diffusion would increase because the surface-area-to-volume ratio of the cell would increase.
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Large area of land characterized by the plant and animal communities that live there
OBiosphere
OBiome
OEcolystem
OPopulation
are slime molds autotrophic or heterotrophic?
Answer:
heterotrophs
Explanation:
Like plants, slime molds have cellulose in the cell walls of their spores. Unlike plants, slime molds are heterotrophs!
If you have an experiment where you are testing whether or not plants grow more with miracle grow, what is the dependent variable?
1. type of plants
2. miracle grow
3. amount of growth
4. water, sunlight, nutrients
3. List two common everyday examples of the water cycle.
Answer:
Rain and snow soak into the earth and drain into rivers and streams, and fill our reservoirs. Water on the ground also evaporates, turning back into water vapor, to rise in the air and form more clouds. Here's another one: Boiling(evaporation) and ice(freezing)
Explanation:
Please help me solve the pundit square with the info provided
1) Mother's alleles: IA and i. 2) Father's alleles: IA and IB. 3) Genotype: 1/4 IAIA, 1/4 IAi, 1/4 IAIB, 1/4 IBi. Genotypic ratio 1:1:1:1. 4) Phenotype: 1/2 blood type A, 1/4 blood type AB, 1/4 blood type B. Phenotypic ratio 2:1:1
What is the ABO blood type?
Blood type ABO is determined by a triallelic gene I. Depending on the allelic interaction, this gene can express complete dominance or co-dominance. Let us see,
Alleles
IAIBi→ IA and IB are codominant, meaning that when they are together in the same genotype, both of them are expressed.
→ IA and IB express complete dominance over i, meaning that the dominant IA and IB alelles hide the expression of the recessive allele i in heterozygous individuals.
Genotypes Phenotype
IAIA, IAi ⇒ Blood type A
IBIB, IBi ⇒ Blood type B
IAIB ⇒ Blood type AB
ii ⇒ Blood type 0
Now, let us analyze this cross,
Mother: IAiFather: IAIBCross) Mother with blood type A and father with blood type AB
Parentals) IAi x IAIB
Gametes) IA i IA IB
Punnett square) IA i
IA IAIA IAi
IB IAIB IBi
F1) Gentoype
1/4 = 25% of the progeny is expected to be homozygous IAIA
1/4 = 25% of the progeny is expected to be heterozygous IAi
1/4 = 25% of the progenyis expected to be heterozygous IAIB
1/4 = 25% of the progeny is expected to be heterozygous IBi
Genotypic ratio 1:1:1:1 ⇒ 1/4 IAIA : 1/4 IAi : 1/4 IAIB : 1/4 IBi
Phenotype
1/2 = 50% of the progeny is expected to express blood type A (IAIA + IAi)
1/4 = 25% of the progeny is expected to express blood type B (IBi)
1/4 = 25% of the progeby is expected to express blood type AB (IAIB)
Phenotypic ratio 2:1:1 ⇒ 1/2 type A : 1/4 type AB : 1/4 type B
1) Mother's alleles: IA and i
2) Father's alleles: IA and IB
3) F1 Genotypic ratio 1:1:1:1 ⇒ 1/4 IAIA : 1/4 IAi : 1/4 IAIB : 1/4 IBi
4) F1 phenotypic ratio 2:1:1 ⇒ 1/2 type A : 1/4 type AB : 1/4 type B
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Runoff is most like which of the following? a) a puff of steam b) a flowing stream c) a cloud in the sky d) an invisible form of water
Answer:
a flowing stream
Explanation:
2. Describe the basic processes involved in the transmission of information from the beginning of one neuron to the beginning of the next neuron.
3. Identify three different types of neurotransmitters and describe their typical effects in the brain.
4. Describe the specialization of function in the four lobes of the brain (Frontal Lobe, Occipital Lobe, Temporal Lobe, and Parietal Lobe).
5. Describe the basic structure of the nervous system (the two primary systems and the subsystems) of the human body.
The basic processes involved in the transmission of information from the beginning of one neuron to the beginning of the next neuron are as mentioned below-
The types of ions within and outside the neuron's cell walls are out of equilibrium while the neuron is at rest, which means it is not actively transmitting a signal. Incoming signals from other neurons enter at the dendrites and move across the cell body to the axon when a neuron receives input from those other neurons.
The inside of the cell may become more positively or negatively affected by these signals. The neuron may fire an action potential if the incoming signals increase the neuron's internal potential. If this occurs, the neuron may achieve its threshold of excitation.
Neurotransmitters are released into the synapses when the action potential reaches the axon bulb of the presynaptic (sending) neuron. In the fluid-filled synapse, the neurotransmitter molecules float. Several of them will quickly move across the synapse and make contact with the tulip-shaped receptor sites arranged in a straight line on the dendrites of the postsynaptic (receiving) neuron.
What is a neuron?Neurons are used to transmit information. Through electrical impulses and chemical signals, they communicate both inside the brain and between the brain and the rest of the nervous system.
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A researcher would like to evaluate the claim that a new drug, "Acne Buster" can help individuals eliminate acne. Participants were randomly assigned to 2 different groups. One group of participants is given the Acne Buster pill daily and the other group is given a placebo (sugar pill). The researcher records the number of acne outbreaks each individual experiences during the 30-day trial run.
What type of study (correlational, longitudinal, experimental, naturalistic observation) is this?
This is an experimental study.
What is an experimental study?An experimental study must have an independent variable and a dependent variable. The independent variable is the variable that we can manipulate. In this case, the independent variable is the type of pill that the participants received.
The dependent variable is the outcome that is expected after manipulating the independent variable and in this case it is the acne outbreaks each individual experiences during the 30-day trial run. The control is the group that was given a placebo.
Looking at the design of the study, this is an experimental study.
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How do hydrophilic heads and hydrophobic tails of phospholipid molecules result in a plasma membrane? (help is needed ASAP. Thank you)
Answer:
Phospholipids, arranged in a bilayer, make up the basic fabric of the plasma membrane.
Explanation:
Answer:
Hey there, I'm not an expert but I think I can help you out!
Explanation:
Following the rule of "like dissolves like", the hydrophilic head of the phospholipid molecule dissolves readily in water. The long fatty acid chains of a phospholipid are nonpolar, and thus avoid water because of their insolubility. In water, phospholipids spontaneously form a double layer called a lipid bilayer, in which the hydrophobic tails of phospholipid molecules are sandwiched between two layers of hydrophilic heads (see figure below). In this way, only the heads of the molecules are exposed to the water, while the hydrophobic tails interact only with each other.Can anybody help me pls.
Question is focus on the big idea
What is the modern periodic table of elements used for?
A to classify and compare properties of elements
B to determine if the elements can produce allotropes
C to make compounds and molecules
D to determine if the substance found is an element
Answer:
A) to classify and compare properties of elements
Explanation:
The modern periodic table displays elements by grouping them into categories, found in the rows and columns of the table.
B does not necessarily fit because allotropes are the varying physical properties some elements display, such as the graphite vs diamond forms of carbon. The periodic table does not display this information.
C does not fit because the periodic table does not explicitly dictate if or how you can make compounds or molecules of the elements listed.
D does not fit because the periodic table lists properties of elements in a way that can help determine the specific element you are looking for. It doesn't necessarily determine whether or not something found is an element or not.
Why has the farm industry replanted trees around rainforest remnants?
a. Because farmers are at one with their plants b. To protect edges from wind exposure and provide a barrier against animals C. To encourage the trees in the rainforest remnants to grow d. To make the edge look prettier
Answer:
b
Explanation:
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1. You are interested in studying the Na+/K+ pump so you inserted the pump into red blood cell
ghosts (essentially cells with no proteins in their membrane). Describe where in the pumping
cycle the Na+/K+ pump would stop and any movement of Na+ and K+ ions (i.e., into or out of
the RBC ghosts) under the following conditions:
A) Your cells were suspended in a solution that contained both Na+ and K+ ions that was in
equilibrium with the intracellular fluid.
B) You added ATP to the solutions on both sides of the cells described in part A.
C) The intracellular and extracellular solutions contain Na+ and ATP but not K+.
D) You perform the experiment shown in B, but you also embed K+ leak channel into your
ghosts.
It is possible to derive a membrane voltage equation that works both in the steady state and dynamically and takes the electrogenicity of the Na/K pump into consideration. A model for the osmotic stabilization of cells includes this equation. The outcomes highlight how the membrane voltage and the pump work together to reduce internal pressure. [tex]Cl^{-}[/tex] concentration, creating osmotic space for essential molecules that must be kept in the cell's confines.
What are the fundamental problems?Controlling the volume of cells with thin membranes is a basic issue. A cell needs to concentrate the components necessary for its survival, such as DNA, proteins, amino acids, and carbohydrates, within of itself. The plasma membrane is only about as powerful as a soap bubble, in contrast to the pressure that is easily created by the osmolarity differential between within and outside, which can easily approach an atmosphere or more. In plant and bacterial cells, a robust cell wall that encircles the plasma membrane prevents swelling.
Animal cells don't have cell walls and have developed a different method of preventing the tendency to expand. They lessen their internal ionic content to create osmotic space for the compounds that are internally sequestered, lowering the gap in osmolarity between inside and outside to zero.
Over many years it became clear that the osmotic stabilization of a living animal cell was related to active transport [tex]Na^{+}[/tex] from and [tex]K^{+}[/tex] into the cell (2-5). The first mathematical model based on this general idea was the lucid-pump leak model of Tosteson and Hoffman, so named because the [tex]Na^{+}[/tex]/[tex]K^{+}[/tex] pump contracts the tendency of [tex]Na^{+}[/tex] to leak into and [tex]K^{+}[/tex] out of a cell. Their volume control in high- and low-K red blood cells was successfully accounted for by their model, which made the cell's steady state assumption.
This model was expanded into the dynamic case by Tosteson (6) and a subsequent model by Jakobsson. Lev et al. have developed a model that takes into account a variety of ion transport processes, such as ion exchange, but it ignores the role of the Na/K pump in osmotic stability.
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Which hypothesis is NOT testable?
Plastic should be recyclable.
Plastic has a low boiling point.
Plastic has a high melting point.
Plastic does not break down in the environment.
Answer: Plastic has a high melting point
Explanation:
characteristics of sediment deposited by the transporting agent
The simplest idea of sediment transport is the transportation of granular particles by fluids. The main mechanisms for moving sedimentary materials are gravity, river and stream movement, ice, air, and estuarine and sea currents.
Sediment transport, which refers to the movement of solid particles, is frequently caused by gravitational forces on the sediment or by the motion of the liquid where the silt is entrained (sediment). Mineral sediment is often the consequence of erosion and weathering, whereas organic silt is frequently debris and decomposing matter, such as algae. Transported sediment can contain mineral materials, organic material, chemicals, and pollutants. An alternate name for sediment transport is sediment load. operatives move sediment Wind, Water, Glaciers, and Mass Wasting (gravity).
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help you help me find cow and apple?
Answer:
send a better image
Explanation:
10
When considering the gaps between the evolution of humans and our nearest animal "cousins," Including other primates, what is the most
sensible way to measure the years?
O A. billions
OB. millions
OC. thousands
OD. hundreds
Reset
Next
Millions are the most sensible way to measure the year when considering the gaps between the evolution of humans from our nearest animal cousins primates (Option B).
What is human evolution?Human evolution refers to the lineage by which humans (Homo sapiens species) evolved form the primate branch in the tree of life, which ocuredd million years ago from the Homo erectus species in Africa.
In conclusion, millions are the most sensible way to measure the year when considering the gaps between the evolution of humans from our nearest animal cousins primates (Option B).
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Why do oxygen (O2) molecules move into the cell and carbon dioxide (CO2) molecules move out of the cell on the ciliated side ?
What is the role of NAD+ and NADP during photosynthesis and resperation
Answer:
NAD+ is an oxidizing agent used as a coenzyme in catabolic reactions in the cell including cellular respiration. NAD is the reduced form of NAD+. In comparison, NADP+ is another coenzyme which serves as an oxidizing agent in anabolic reactions including photosynthesis.
Explanation:
Answer:pigment
Explanation:
_______ fixes atmospheric nitrogen in plants
Answer: Nitrogen
Explanation:
Which of the following best describes the function of the enzyme Catalase?
Question 2 options:
Catalase is a poison produced by cells that is broken down by hydrogen peroxide
Catalase is a protein that is used by cells to slow down poisonous chemical reactions.
Catalase breaks down poisonous hydrogen peroxide into water and oxygen gas.
Catalase puts together water and oxygen gas to make poisonous hydrogen peroxide.
The statement that best describes the function of the enzyme Catalase is as follows: Catalase breaks down poisonous hydrogen peroxide into water and oxygen gas (option C).
What is an enzyme?An enzyme is a globular protein that catalyses a biological chemical reaction. A catalytic enzyme is a specific kind of enzyme that breaks down substrates into products.
Catalase is an example of a catalytic enzyme found in the liver that catalyses the decomposition of hydrogen peroxide to water and oxygen.
Therefore, according to this question, the statement that best describes the function of the enzyme Catalase is as follows: Catalase breaks down poisonous hydrogen peroxide into water and oxygen gas.
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identify the relationship between the components of photosynthesis
Answer: To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
Explanation:
So im currently doing a project that makes up 40% of my grade, Prediction: Which of these variables do you think will have the greatest effect on the alien population? Explain.
. A: Light B: Water or C: Temp
The variable which will have the greatest effect on the alien population is temperature and is denoted as option C.
What is Temperature?This is referred to as the degree of hotness or coldness of a substance and it is influenced by thermal energy. It is measured with the use of a thermometer and the S.I unit is Kelvin.
All the planets have their unique range of temperature and example is earth who has greenhouse gases responsible in heating up the earth surface. This temperature difference will affect the survival of alien population as the effects of water hasn't been ascertained yet by scientists.
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Two species of animal share a common ancestor, but one species developed thick fur and the other developed a very light coat of hair. Over
time, the temperature in their native environment grew much warmer and wetter, far too hot for the thick-furred population. Statistically, what
is the most likely outcome for the thick-furred species?
OA
extinction
OB. genetics
OC. mutation
OD. evolution
Reset
Next
Answer: The answer is A extinction
Explanation:
just got finished with the test
Can the surface-area-to-volume ration be indicative of the importance of a cell's dimensions and the ability to properly diffuse material into the cell?
Emma hits a baseball into the air. While the ball is flying through the air, which of the following objects is pulling on it with a gravitational force?
A. the Sun
B. the bat
C. the Earth
D. all of these
Answer: D All of these
Explanation: For Study Island
Need help with this. Think it’s false.
Answer: it is false
Explanation:
you got this
three properties of water and for each property, identify and define the property and explain it in terms of the physical/chemical nature of water?
Physical water characteristics include the temperature, color, flavors, and odor of the water sample. Water's chemical properties include parameters such as pH and dissolved oxygen.
What are physical and chemical properties?When a substance undergoes a chemical change, its chemical properties can be observed or measured. Physical properties are those that can be observed without causing a chemical reaction.
Water's physical properties, namely color, temperature, turbidity, taste, and odor, are related to its appearance.
Even though water molecules are polar, they can establish hydrogen bonds. Water has distinctive properties as a result, such as a relatively high boiling point, a high specific heat, cohesion, adhesion, and density.
Thus, these are some of the properties of water.
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Biodiversity is important for the sustainability of ecosystemsHowever , many of the human actions that are aimed at growing communities are decreasing the biodiversity of these areas, leaving populations and ecosystems vulnerable. As human populations grow, the terrestrial and aquatic ecosystems they use may be transformed by the efforts of human beings and biodiversity losses typically accompany these processes. Which of these actions decrease biodiversity and threaten sustainability? Select ALL that apply
Answer:
D. , E. , And B.
Explanation:
These are the only answers that decrease biodiversity and threaten sustainability. I hope this helps, good luck <3