The term scientists use when comparing the properties of solids, liquids, and gases is States of Matter. These states are characterized by different properties such as shape and volume, and molecule behavior.
Explanation:The term scientists use when comparing the properties of solids, liquids and gases is called States of Matter. These three states are the most common and are characterized by different properties. Solids have a definite shape and volume, liquids only have a definite volume, and gases have no definite shape or volume. Their molecules behave differently, which accounts for their different physical properties. For example, in a solid, the molecules are tightly packed together and vibrate around a fixed point, while in a gas, the molecules have more freedom and move around at high speeds.
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is this population in hardy-weinberg equilibrium
Yes, the hardy-Weinberg equilibrium deals about the population and stuff
Explanation:
Definition:
Hardly Weinberg principle is also known as Hardly Wein-berg equilibriumIn simple terms, Hardy Weinberg equilibrium can be stated as the genetic variation in a family will always remain constant from one generation to the next generation during the absence of disturbing influencesFormula:
The Hardly Weinberg equation is represented in the form of,
p2 + 2pq + q2 = 1
where,
p2 denotes the statistics of AA (homozygous dominant)
2pq denotes the statistics of Aa (heterozygous)
q2 r denotes the statistics of aa (homozygous recessive)
Conditions for Hardly Weinberg Principle:
The condition for the Hardly Weinberg conditions are listed below here,
1.No gene flow
2.No natural selection
3.Random Mating
4.large population size
5.no mutation
Answer:
its no
Explanation:
Question 5 of 10
2 Points
Where are you most likely to find plant roots?!
O A. Chorizon
O
B. O horizon
OC. A horizon
O
D. B horizon
SUBMIT
Answer:
The plant roots are most likely found at "horizon".
Explanation:
Plant roots are extremely likely to occur in topsoil (horizon). Plant roots are organs which consume water and nutrients. Topsoil or front layer consists of minerals and decomposed organic matter and is also very dense in color, known as humus.
In this layer the plant roots grow primarily. The humus is composed of nutrients that sustain plants. The humus often soaks up and is easier to hold water. In this soil horizon the plurality of plant roots expand, and plants consume nutrients and water from this coating.
A Horizon APEX USERS
The cooking of eggs on a hot stove is an example of which of the following?
Chemical property
Chemical change
Physical property
Physical change
Answer:
Chemical Change
Explanation:
The cooking of eggs on a hot stove is an example of a chemical change.
Hence, the correct option is B.
A chemical property is a characteristic of a substance that can be observed or measured without changing the composition of the substance. For example, the color, melting point, and boiling point of a substance are all chemical properties.
A chemical change is a change in the composition of a substance. When eggs are cooked on a hot stove, the proteins in the eggs denature, which means that they change their shape and structure. This is a chemical change because the composition of the eggs is altered.
The physical properties of the eggs, such as their color, texture, and shape, also change when they are cooked. However, these changes are not chemical changes because the composition of the eggs remains the same.
Therefore, The cooking of eggs on a hot stove is an example of a chemical change.
Hence, the correct option is B.
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Which event is the most likely cause for the four periods when punctuated equilibrium seems to have occurred?
aated
meteorite bombardment
stasis
mass extinction
global warming
um
Answer:
The correct answer is : Stasis.
Explanation:
Puntuated Equilibrium is an evolutionary phenomenon in which the species undergo two different types of phases,Stasis (slow) : This is the period when evolutionary change occurs very slowly in the species. The species accumulate mutations at random now. However, the effects of the mutations are are not so influential that it would cause drastic evolutionary change in the species.Speciation (rapid) : Due to the accumulation of multiple mutations in the stasis period, some of the individuals belonging to the species develop certain phenotypes that are beneficial to them. These individuals with distinctly different phenotypes with respect to the other individuals can develop into a new species.Answer:
global warming
Explanation:
gradpoint
What are two factor that can affect the PCB level whales
Answer:
PCBs- polychlorinated biphenyls cause cancer, suppress the immune system, disrupt hormonal signals and impair reproduction.
Explanation:
1. Widespread
PCBs can easily be spread, they often fail to remain in the medium in which they are released, moving instead within and between different phases or compartments of the environment (atmosphere, soil, sediment, and water). Plankton ingest the PCB, fish consume the plankton and whales eat the fish. With this tier of food Web, PCB becomes more concentrated.
2. Global purification
Though the use of PCB is banned in most countries, it's widespread usage lead to its remaining in the ecosystem and being spread further in the ocean.
What do you think is bigger- cells or atoms and what is your supporting evidence?
cells are bigger then atoms
A researcher incubates a cell with radiolabeled amino acids. These amino acids are incorporated into the proteins as they are synthesized by the cell. Select which piece of data would indicate the incorporation of radiolabeled amino acids during protein synthesis? A) Radioactivity levels would increase first at the nucleus, followed by the Golgi, and then the cell membrane. B) Radioactivity levels would increase first at the nucleus, followed by the ribosomes, and then the secretory vesicles. C) Radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the Golgi, and then the secretory vesicles. D) Radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the nucleus, and then the secretory vesicles.
Answer:
During an investigation, the addition of radiolabeled amino acids during protein synthesis occurs when the data shows high levels of radiation in protein synthesis, packaging and transport, which is equivalent to saying that radioactivity levels would first increase in the rough endoplasmic reticulum, followed by the Golgi and then the secretory vesicles (option C).
Explanation:
Protein synthesis in the cell is a process that involves the formation of polypeptide chains with the successive incorporation of amino acids.
RNA, which contains the sequence of triplets or codons that form the genetic code, is coupled to the ribosomes. Each codon or triplet consists of three nucleotides and encodes specific amino acids.
The RNA chain contains a specific nucleotide sequence and determines the assembly of amino acids to a polypeptide chain, by the action of ribosomes present in the rough endoplasmic reticulum.
In the Golgi apparatus, the proteins formed are conjugated, with the addition of carbohydrates or lipids, and arranged in secretory vesicles for transport.
In these steps, where the labeled amino acids are present, the levels of radioactivity would increase in the rough endoplasmic reticulum, the Golgi apparatus and the secretory vesicles.
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Answer:
the answer is c
Explanation:
Scientists use a standardized taxonomic system to separate organisms into hierarchical groups based on
similarities and differences in their structural and genetic characteristics
Which of the following best explains why a standardized classification system is important to the scientific
community?
It provides a detailed evolutionary history of all the known organisms on Earth
It allows different kinds of organisms to be easily identified based on their characteristics
It allows scientists to group organisms based on their personal preference
It prevents people who are not scientists from studying and identifying organisms.
it allows scientists to to group organisms based on their personal preference
it prevents people who are not scientists from studying and identifying organisms
It allows different kinds of organisms to be easily identified based on their characteristics
Explanation:
Classification is defined as the grouping of organisms based on their similarities and dissimilarities. The main aim of classification is to simplify the study of vast range of animals that exist in nature.
The scientists use a standardized method in which they follow a set of rules while studying and assigning a taxonomic rank to a newly studied organism.
The taxonomic hierarchy includes the following taxon-Kingdom, phylum,class, order, family, genus, species.
Beginning from Kingdom the percentage of similarities among the members keep on increasing while we move towards species.
A taxonomical rank is assigned to an organism by studying the similarities of that organism with already existing members of that taxonomic group.
Since, few characters are already studied well while classifying the earlier members the study and classification of new organism becomes much simplified and easier.
Answer:
It allows different kinds of organisms to be easily identified based on their characteristics
Explanation:
got it right in study island :>
25 POINTS Hi!! I really need some biology help!!! Please help with all the questions!
Answer:
D
Explanation:
Because Speciation is the creation of a new species through the process of evolution.
Large quantities of solid water are stored in the ___
Answer:
Ice sheets
Explanation:
Water is stored in solid, frozen form in ice sheets and glaciers, and in snowpack at high elevations or near Earth's poles.
Which idea was Lamarck's theory of Evolution based upon?
natural selection
variation in populations
inheritance of acquired traits
descent with modification
Answer:
The Correct Answer is D. Natural selection provided a better explanation for what they observed in the natural world.
Hope This Helps!
Someone pls help me
9th grade biology
Asp
What is the difference between genus and species?
Answer:
A genus ranks just above the species in an organism's taxonomic hierarchy. A genus is made up of any number of species, while a species is composed of any number of subspecies or breeds.
Explanation:
Answer:
alot of difference
Explanation:
If a heterogeneous woman with traits for dark hair and freckles has a bay with a man with the same traits what is the chance their child would be born no freckles and light haired
Answer:
The correct answer is [tex]\frac{1}{16}[/tex] or zero, depending on the fathers genotype.
Explanation:
According to the question, dark hair phenotype is dominant over light hair. freckled phenotype is dominant over non-freckled phenotype.Let for hairs, dominant allele be D and the recessive allele be d.Let for freckles, dominant allele be F and the recessive allele be f.According to the question, the mother is heterozygous for both the traits, that is, she has the genotype, DdFf and phenotype, dark hair and freckles.But the father is said to have the same traits but not mentioned to be homozygous (DDFF) or heterozygous (DdFf).If he is homozygous, then he would produce only DF gametes.The mother produces the following gametes : DF, Df, dF, df.On crossing homozygous father (DDFF) with heterozygous mother (DdFf), all the offspring will have dark hair with freckles, so probability of obtaining a child with light hair and no freckles is zero.If both the parents are heterozygous, DdFf,Crossing them,DF Df dF df
DF DDFF DDFf DdFF DdFf
(D/F) (D/F) (D/F) (D/F)
Df DDFf DDff DdFf Ddff
(D/F) (D/NF) (D/F) (D/NF)
dF DdFF DdFf ddFF ddFf
(D/F) (D/F) (L/F) (L/F)
df DdFf Ddff ddFf ddff
(D/F) (D/NF) (L/F) (L/NF)
In the above cross, in the brackets (), D means dark hair.F means freckled.L means light hair.NF means non-freckled.The phenotypes observed are :Dark hair with freckled - 9.Dark hair with non-freckled - 3.Light hair with freckled -3.Light hair with non-freckled - 1.Probability that a child born would be light haired with no freckles (ddff) is [tex]\frac{1}{16}[/tex].What is capillary action? Give examples
Answer:capillary action.
It is the ability of a liquid to flow in a narrow container without the force of gravity. It is aided by adhesive and cohesive force between the liquid medium.
Explanation:example: Tears draining from the eyes, movement of ink to the tip of the pen.
Capillary action is the movement of a liquid within a narrow tube due to the balance of cohesive and adhesive forces. This natural phenomenon facilitates the absorption of water and nutrients in plants and is also used in medical tests to draw small amounts of blood into capillary tubes.
Explanation:Capillary action is the phenomenon where a liquid moves up a narrow tube against the force of gravity. This movement is the result of the balance between cohesive forces, which are the forces that keep the liquid molecules together, and adhesive forces, which are the attractions between the liquid molecules and the surface of the tube.
In nature, capillary action is crucial for the movement of water from the soil into the roots of plants via the xylem tubes. In medicine, capillary action is exploited for drawing small amounts of blood during medical tests.
Examples of capillary action include the movement of water in thin tubes, the process of water and nutrients absorption in plants, and the wicking of fluids in paper or cloth. An everyday example is ink rising in the nib of a fountain pen or the absorption of water by a towel.
Capillary Action in Everyday Life and Biomedical Applications
In everyday life, we observe capillary action when a sponge absorbs water or when a paper towel picks up a spill. Biomedical applications of capillary action are particularly notable in medical testing—such as glucose testing for diabetics—where blood is drawn into a narrow glass tube by this phenomenon.
Land plants are divided into two main groups. They are ________________ and _______________.
Answer:
Land plants are divided into two main groups. They are Mesophytes and Xerophytes
Explanation:
Xerophytes are types of plants that lives on dry habitat while Mesophytes are plants that lives on conditions that are optimal on dry land for growth.
Answer:
vascular; nonvascular
Explanation:
i just did it and got it right so yea
How do the chromosomes in most cells of an organism, such as the leaf cells of a plant, compare to the chromosomes in its reproductive cells, which are sperm and egg cells?
Answer:
The chromosomes in all the cells of the body, except for the sex cells, are diploid in number. The somatic cells divide by the process of mitosis.
The chromosomes in the sex cells are haploid and divide by the process of meiosis. This is because when an egg cell and a sperm cell will join, then each half of the chromosomes present in both the cells will pair up to maintain the chromosome number of the species.
How do you do letter c
Answer:
The gene that appears more in the family tree is dominant
The gene that appears less is recessive.
It seems that all the white shapes are dominant and the black shapes are recessive.
please can someone help? Questions attached :)
Answer:
c) 1.05 hours
d) 35%
Explanation:
c) You answer is correct. Cell division takes 5% of the total time, and the total time is 21 hours. 5% of 21 is
[tex]\frac{21}{100}[/tex] x 5 = 1.05 hours, which is the same as 63 minutes or 1 hour and 3 minutes.
d) Each marker represents 5% of the time (there are 20 markers in the whole circle). DNA copying is spread over 7 sections. Therefore, 7 x 5% = 35% time spent copying DNA
Which statement describes the light reaction of photosynthesis?
O
Carbon dioxide is put together with glucose.
O
Water molecules are split apart.
O
Air and water create energy for a plant.
O Water molecules are combined to make food.
Answer:
The correct option is B) Water molecules are split apart.
Explanation:
Photosynthesis can be described as a process in which plants make glucose and oxygen from carbon dioxide and water in the presence of sunlight. There are two main types of reactions occurring during this process which are known as the light reactions and the dark reactions.
During the light reactions, energy from the sun is used to drive electrons from the water molecule. ATP and NADPH molecules are generated temporarily which are used during the dark reactions.
Final answer:
Water molecules are split apart. The light reaction of photosynthesis splits water molecules apart, a process energized by sunlight captured by chlorophyll, which also results in the production of oxygen, protons, and electrons.
Explanation:
The correct statement that describes the light reaction of photosynthesis is: Water molecules are split apart.
In the light-dependent reactions, chlorophyll absorbs energy from sunlight, which is then used to convert water (H₂O) into oxygen (O₂), protons, and electrons. This occurs when water molecules are split apart, a process also known as photolysis. This stage of photosynthesis is crucial for the plant's subsequent production of glucose.
The overall equation for photosynthesis is 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂. However, only the first half-reaction involves the light-dependent reactions where water is split to release oxygen and provide the necessary electrons and protons for the later stages of photosynthesis.
Question 1 (1 point)
What is the term that scientists use when comparing the properties of solids, liquids and gases?
Explanation:
It is a distinct form of a matter in which it exist.There are 4 type matter that are exist in 4 different state.The states are- Solid, Liquid, Gas and plasma.These are also called as the 4 fundamental state.Uses of bacteriophage in genetic engineering
Answer:
Phage particles can be used directly carrying the vaccine antigens expressed on their surfaces. But in case of DNA vaccines the sequences that are essential for the vaccine antigen synthesis are incorporated into the phage genome and the phage would then act as vehicle for the delivery of DNA vaccine [13].
Explanation:
How is the temperature of a solid substance affected when it is melting?
O A) It increases.
OB) It decreases.
O c) It stays the same.
Answer:
the temperature increases.
Explanation:
the melting point of every piece of matter is different, but they all reach that point at a certain temperature
Answer: A). It increases.
Explanation: The temperature of a solid substance increases when it is melting. Increase in temperature makes the particles of the solid to gain kinetic energy and as the kinetic energy of the particles increases, the bonds between the particles are broken thus resulting in melting of the solid.
What are Three macromolecules that can be used as an energy source?
Answer:
There are four major classes of biological macro-molecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions
Explanation:
What is one disadvantage of desalination?
The process kills fish.
The process uses fuel that is expensive.
The process makes water that is unsafe to drink.
The process is too difficult to carry out in big cities.
Answer:
A It kills fish
Explanation:
We can see here that the disadvantage of desalination is B. "The process uses fuel that is expensive."
What is desalination?Desalination is the process of removing salt and other impurities from seawater or brackish water to produce fresh water suitable for various purposes, including drinking, irrigation, and industrial use. While desalination has benefits in addressing water scarcity, it is not without drawbacks.
One significant disadvantage is the high energy requirement for desalination processes. Most desalination methods, such as reverse osmosis and thermal distillation, rely on energy sources like electricity or fossil fuels to power the equipment and processes involved. The use of fuel, particularly when derived from non-renewable sources, can be costly, both economically and environmentally.
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How is sunlight the primary source of energy for your own life?
In the 1600's, Robert Hooke, and English scientist, used a crude microscope to examine bits of cork. Cork is derived from the bark layer of certain trees. Upon seeing the cork under the microscope, Hooke named the spaces within the cork 'cells', because they looked like empty rooms of a monastery. Although he coined the term cell, an ironic feature of cork is that it is dead plant material. Knowing this, what feature of cells would Robert Hooke NOT have been able to observe under the microscope while looking at cork?
Answer: In other word the other person was saying Robert Hooke was the one who said the cork looked like cells
Explanation: The answer is Hooke
Why are rapidly occurring environmental changes more likely to cause extinctions than slowly occurring changes?
Slow changes allow time for adaptation.
Rapid changes require little adaptation.
Slow changes affect only small regions.
Rapid changes have a global effect.
Slow changes allow time for adaptation. The correct option is 1.
What is adaptation?"The process by which a species or organism gradually becomes more acclimated to its environment is defined as adaptation."
Adaption refers to an animal's behavioural or physical characteristics that aid in its survival in its ecosystem.
Because a region's abiotic factors change slowly, adaptation takes time. Those organisms that cannot adapt to these changes die, leaving only those that have.
Slow changes allow living things time to adapt through the evolutionary process over many generations.
Fast changes usually do not give living things enough time to adapt, forcing them to either relocate or become extinct.
Thus, the correct option is 1.
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Your question seems incomplete, the probable complete question is:
Why are rapidly occurring environmental changes more likely to cause extinctions than slowly occurring changes?
Slow changes allow time for adaptation.Rapid changes require little adaptation.Slow changes affect only small regions.Rapid changes have a global effect.PLEASE HELP!! im despratte
Answer:
Template strand = complementary strand
GCA AG = CGT TC
TTA CG = AAT GC
GAT AC = CTA TG
CGG AT = GCC TA
DNA strand = mRNA strand
CGA TT = GCU AA
GCT TA = CGA AU
GCA TC = CGU AG
TTC AT = AAG UA
It is more important for DNA replication to be exact than transcription or translation because any error that occurs during DNA replication if not repaired will become permanent and will be transferred to the next generation.
Explanation: In DNA base pairing, G pairs with C and T pairs with A. But in RNA base pairing, G pairs with C and U pairs with A. DNA contains four bases G, C, T and A while RNA contains four bases G, C, A and U.
See the attached file
Explain how high blood cholesterol develops in someone with a genetic disorder versus someone who eats a high-fat diet
Answer:
Cholesterol can be described as the organic, fat-like steroid which is found in cells of an organisms body.
A person with a genetic disorder for high blood cholesterol will inherit the trait in a genetic manner from his family. He will have genes which allow for high levels of cholesterol to be produced in the body.
On the other hand, a person who eats a high- fat diet will have high levels of cholesterol due to his diet. He will not carry the disorder from his family and will neither pass on the high cholesterol situation in his offsprings.