1.) What is the Scientific definition of a fruit?
2.) What is the term for the distributing of the seeds after they mature?
3.) Differentiate between mechanical dispersal and and agent dispersal.
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how do you calculate average time
describe the arrangement within energy levels of the six electrons of an atom of carbon
A carbon atom has six electrons arranged in two energy levels - 2 in the first, and 4 in the second level.
Explanation:An atom of carbon has six electrons which are arranged in energy levels known as shells or orbital. These energy levels consist of specific numbers of electrons that an atom can accommodate. The first energy level (known as K shell or 1s orbital) can hold 2 electrons, and the next energy level (L shell or 2s orbital & 2p orbital) can hold up to 8 electrons. However, for carbon, there are 2 electrons in the first energy level and 4 electrons in the second. The four electrons in the second energy level are further elaborated as 2 in the 2s orbital and 2 in the 2p orbital.
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primary and secondary air pollutants can coexist in the atmosphere
true or false
Dave pulled out 4 dif CD's to find out which type of music helped him finish his hw the fastest. He used a stopwatch for 5 minutes for each type.
What are some constant (controlled) variables in this experiment?
Which organic molecule is part of an enzyme
An enzyme includes an organic molecule known as a coenzyme, which enhances the enzyme's function. Coenzymes are organic helper molecules that are typically derived from vitamins. Coenzymes and cofactors, such as metal ions, are essential for the optimal activity of enzymes.
Explanation:The organic molecule that is part of an enzyme is known as a coenzyme. Coenzymes are organic helper molecules made up of carbon and hydrogen, and they play a critical role in the function and regulation of enzymes. They are often derived from dietary vitamins and participate in reactions without being changed themselves, essentially serving to increase enzyme efficacy, selectivity, and specificity. Enzymes may also require inorganic ions known as cofactors to function optimally. These inorganic ions, such as iron (Fe++) and magnesium (Mg++), help stabilize enzyme conformation. An example is the enzyme DNA polymerase, which requires a bound zinc ion (Zn++) as a cofactor to function properly.
what organelle seperates the cell contents from the enviroment
What is true about the structure or function of the plasma membrane
A. Large molecules often cross the plasma membrane while inside vesicles
B. Hydrophobic molecules keep the cell from getting too much water
C. The bilayer structure forms a solid boundary that separates the cell from it's enviroment.
D. It is made entirely of intergal proteins
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The right answer is A.
This phenomenon is called endocytosis.
Endocytosis is the mechanism of transport of molecules or even particles (viral, bacterial, etc.) to the inside of the cell.
Endocytosis can be performed by all eukaryotic cells except red blood cells.
This membrane mechanism (or quasi-membrane) is very important in the life of a cell, because it allows the internalization of specific molecules through specific receptors in the cell (and in particular in the cytosol), the molecule to "endocyte" being called ligand (eg, the transferrin (ligand) that will bind to specific membrane receptors of transferrin).
The plasma membrane is composed of a bilayer of phospholipid molecules that acts as a barrier between the cell and its environment. Hydrophobic molecules keep the cell from getting too much water. The plasma membrane is not made entirely of integral proteins.
Explanation:The plasma membrane is composed mainly of a bilayer of phospholipid molecules that forms a barrier between the cytoplasm inside the cell and the environment outside the cell. It allows only certain substances to pass in or out of the cell. Some cells have extensions of their plasma membrane with other functions, such as flagella or cilia.
Hydrophobic molecules are important in keeping the cell from getting too much water. Since the interior of the plasma membrane is hydrophobic, it prevents water from freely crossing the membrane.
The plasma membrane is not made entirely of integral proteins. It is primarily composed of phospholipids arranged in a bilayer, with integral proteins embedded within the membrane and peripheral proteins associated with the membrane surface.
Which statement best explains whether Einstein’s idea is a theory or a law? It is a theory because it is a statement of fact that does not include an explanation. It is a theory because it was developed with many new experiments, and it explained the observations. It is a law because it is a statement of fact that does not include an explanation. It is a law because it was developed with many new experiments, and it explained the observations
Answer:
b
Explanation:
What is the smallest particle representing water?
A.Hydrogen Atom
B.Molecule
C.Diatomic Oxygen
D.Oxygen Atom
Answer:
b . molecule
Explanation:
The smallest particle of water is 'molecule'.
Which organelle prepares proteins into vesicles to transport from one area to another?
A. Golgi apparatus
B. chloroplasts
C. mitochondrion
D. rough endoplasmic reticulum
how would a Bohr model of a neon atom differ from this model of nitrogen
A Bohr model of a neon atom differs from the model of a nitrogen atom in terms of the number of electrons, electron configuration, and energy levels.
Explanation:A Bohr model of a neon atom differs from the model of a nitrogen atom in several ways:
The number of electrons: Neon has 10 electrons, while nitrogen has 7 electrons.The electron configuration: Neon has the electron configuration of [He]2s22p6, while nitrogen has the electron configuration of [He]2s22p3.The energy levels: Neon has more energy levels compared to nitrogen because it has more electrons. This means that there are more possible orbits for electrons to occupy in a neon atom.Learn more about Bohr model of atoms here:https://brainly.com/question/11872378
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The rungs or steps of DNA are made up of ____ which are attached to the sides or railings of DNA, which are made up of ___.
Answer: The steps are made of nitrogenous bases; deoxyribose sugars linked with phosphates.
Explanation: The rungs of the DNA are made of nitogenous bases (The nitrogenous bases are adenine (A), thymine (T), guanine (G) and cytosine (C) ) they are held together by weak hydrogen bonds.
The railings of the DNA are made of deoxyribose sugars which are alternating with phosphates. This part of the molecule is referred to as the "backbone".
Answer: The steps are made of nitrogenous bases; deoxyribose sugars linked with phosphates.
what is the main idea of Darwin's theory of evolution by natural selection?
Darwin's theory of evolution by natural selection suggests that inherited characteristics vary among offspring and those allowing the best competition for resources lead to survival, reproduction, and passing of those traits onto the next generation. Over time, this results in population evolution and increased adaptation to the environment, a process known as 'descent with modification'.
Explanation:The main idea of Darwin's theory of evolution by natural selection involves three principles. First, most characteristics of organisms are inherited from parents to offspring. Second, more offspring are produced than can survive due to limited resources, leading to competition. Third, offspring differ from each other in their inherited characteristics.
Darwin reasoned that offspring inheriting characteristics allowing them to best compete for limited resources will survive, reproducing more than less competitive individuals. Over time, due to these inherited traits being passed onto successive generations with increasing frequency, populations evolve in a process Darwin termed 'descent with modification'. So, the population becomes more adapted to its environment.
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What keeps cells from growing to much larger sizes than they do
what causes an unsaturated fatty acid to have a different shape than a saturated fatty acid
Answer:
Explanation:
Unsaturated fatty acids can be monounsaturated or polyunsaturated, monounsaturated fatty acids have one double carbon bond and polyunsaturated fatty acids have more than one double carbon bond. Saturated fatty acids have one single bond. The less carbon bonds, the more carbons the chain has, therefore the more saturated the fatty acid is.
Suppose a shopping mall is built near a rabbit warren, leaving less land available for rabbits. How will this affect the environment’s carrying capacity?
Answer:
With the construction of a shopping center near the habitat of rabbits, there will be a significant decrease in the population because food resources and in general the ecological niche will be negatively influenced.
The carrying capacity in general is reduced because the maximum population size that the environment can support indefinitely in a given period is reduced as there is not enough availability of resources in the environment
The carrying capacity is a measure of the greatest or maximum amount of species that can be catered for given the amount of resources available in the environment. Hence, due to the reduction in space, the carrying capacity of the environment will decease.
The carrying capacity of an environment is directly proportional to the amount of resources available, which could support the survival and growth of the organisms. The amount of land or living area is a factor which also determines the carrying capacity of an environment. Due to the reduction in living area available to the rabbits as a result of the constructed mall, the carrying capacity will decrease as there won't be enough space to support the initial rabbit population any longer.Therefore, the carrying capacity of the environment is reduced due to the limited land area available for the rabbits to occupy.
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The Thermosphere contains a layer of charged particles called the ________________ which makes commucation by _________________ possible and is home to the __________________ (Nothern Lights). This is the layer in which ____________________ fly.
The Thermosphere contatins a layer of charged particles called the ionosphere which makes communication by radio waves possible and is home to the Aurora Borealis (Northern Lights). this is the layer in which satellites fly.
What is thermosphere?The layer of the atmosphere of the Earth that can be found directly above the mesosphere and below the exosphere is known as the thermosphere. The thermosphere is responsible for the majority of the ionosphere's composition because ultraviolet radiation induces photoionization and photodissociation of molecules within this layer of the atmosphere, which results in the formation of ions.
The thermosphere is essential to all forms of life on Earth because it shields these organisms from x-rays and some of the sun's ultraviolet rays, which are among the sun's most dangerous forms of radiation (its shortest wavelengths).
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what would happen to a plant cell that suddenly lost its chloroplast
Jack is seeing in onion cell under a microscope. He observes formation of a cell plate he is observing which phase of the cell cycle
Clear-cut logging is a method of cutting down all the trees in a particular area. This type of logging is MOST LIKEY going to effect which earth process?
A. erosion
B. climate
C. weathering
D. mountain building
Answer:
Erosion
Explanation:
Clearcutting can destroy an area's ecological integrity in a number of ways, including: the destruction of buffer zones which reduce the severity of flooding by absorbing and holding water; the immediate removal of forest canopy, which destroys the habitat for many rainforest-dependent insects and bacteria; the removal ...
Clear-cut logging is most likely going to affect the earth's process of erosion. Therefore, option A is correct.
What is clear-cut logging?Clear-cut logging is most likely going to affect the earth's process of erosion. This is because when all the trees in a particular area are cut down, there is no longer any vegetation to hold the soil in place.
As a result, rainwater and wind can easily erode the soil, leading to increased sedimentation in nearby streams and rivers, and potentially causing flooding and landslides.
Additionally, the removal of trees can alter the hydrological cycle, as there is less transpiration of water from the leaves and less interception of rainfall, which can lead to changes in streamflow and water availability. Therefore, option A is correct.
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Explain what feeding behaviors shown make a food web a better choice for displaying this information than an energy pyramid
This reflects the relationship of organisms to each other in a habitat, rather than to a small segment like a food chain.
What is an Energy pyramid?An ecological pyramid is defined as a graphical representation designed to show biomass or bio-productivity at each trophic level in a given ecosystem.
Energy pyramids only show the transfer of energy from one trophic level to another not the organisms and their food, so the biggest limitation of energy pyramids is that they are not applicable to food webs. They only apply to food chains.
Energy pyramids are conserved for only one range and restrict the feeding behavior to the source of energy of the organism which stated for food webs, they show a link between several organisms and a source of energy.
Thus, this reflects the relationship of organisms to each other in a habitat, rather than to a small segment like a food chain.
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which stage of the scientific process enables a scientist to check the work of another scientist?
Answer:
Peer review
Explanation:
It provides veracity to the already drawn conclusion of the scientific investigation before a report is publicly published in scientific journals. Other scientists can replicate the experiment to see whether they lead to the same conclusions. This ensures that the information is reliable to be cited or even built upon by other scientists.
Non Example of phospholipids
How are smaller molecules like o2 and co2 able to pass through the openings of a cell membrane
what is the function of DNA, and how does the structure of DNA influence its function
DNA serves functions in inheritance and protein synthesis. Its structure, a double helix, determines its function through the arrangement of nucleotides.
Explanation:DNA serves two essential functions: inheritance and protein synthesis. DNA is responsible for passing genetic information from parent to offspring, and it is replicated with high accuracy to maintain the integrity of this information. DNA also directs the construction of proteins necessary for cell growth and reproduction.
The structure of DNA influences its function through the arrangement of nucleotides. DNA is composed of two strands that form a double helix. The sequence of nucleotides along the strands encodes the genetic information. The specific base pairing between nucleotides ensures accurate replication and protein synthesis.
You are walking down a wooded path you notice a large depression in the ground that has burn Mark's along the outside. What caused the hole?
Some sort of thing that involved fire. Maybe the wood caught on fire.
Fungi exist primarily in the form of long filaments called _____.
A. mycelium
B. hyphae
C. septa
D. saprophytes
Answer:
fungi exist primarily in the form of long, tubular-like filaments called hyphae. a large amount of these hyphae all branched together make up a mycelia, or plurally mycelium.
Which of these is a basic need of all organisms?
a) Soil.
b) Sunlight.
c) Oxygen.
d) Food.
Wetlands support a large number of animal species. Chemical weed killers are dumped into this wetland and the aquatic plants are killed. We should expect ___________________ to be affected by the death of the plants.\
Answer: all the animals in and around the wetlands
The correct answer for the blank is animals.
The producers are always the green plants and in case of wetlands the primary producers are the aquatic plants.
The aquatic plants present in the wetland are the producers of the ecosystem present in wetland.
If we will remove the producers from the ecosystem then, all the consumers(animals) will die.