Answer:
The main difference between chromatin and chromosome is that chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material between daughter cells.
Chromatin is the combination of DNA and proteins that make up chromosomes. Chromosomes are condensed during cell division but exist as less condensed chromatin when the cell is not dividing.
To understand chromatin, it is helpful to first consider chromosomes. Chromosomes are structures within the nucleus that are made up of DNA, the hereditary material, and proteins. This combination of DNA and proteins is called chromatin. In eukaryotes, chromosomes are linear structures. For example, in humans, the chromosome number is 46, whereas in fruit flies, the chromosome number is eight.
When a cell is not dividing, the chromosomes are in a less condensed, thread-like form known as chromatin. During cell division, chromatin condenses to form distinct chromosomes that are visible under a microscope. Therefore, chromatin describes the material that makes up chromosomes both when they are condensed and decondensed.
Someone help me with this question. Thx
Answer:
Because it is the number one souce of oxygen on the armosphere and photosynthesis makes food from sunlight, carbon dioxide, and water
how do you think these bones are involved in a whale's movement ?
Answer:
Explanation:where are the bone's, you didn't list them
What is the best description of the chromosomes by the end of metaphase of mitosis?
The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
The chromosomes have coiled and become more compact.
The chromosomes separate at the centromere and begin to move apart.
The chromosome pairs collect in a line across the middle of the cell.
Answer:
The chromosome pairs collect in a line across the middle of the cell.
Explanation:
Chromosomes at the conclusion of the mitotic metaphase aligned of chromosomal pairs forms in the center of the cell, hence option d is correct.
What is mitosis?When this complex is activated, mitosis's metaphase comes to a close and anaphase begins. The two new cells will be identical since the chromosomes are in alignment and have sister chromatids on opposite sides of the metaphase plate.
Mitosis is a cell cycle that promotes cell proliferation and the replacement of damaged cells, thus, mitosis produces two daughter cells that are identical to one another.
All eukaryotic cells divide through mitosis, with the exception of germline cells, which produce gametes through meiosis.
Therefore, by the end of the metaphase of mitosis chromosomes are aligned at the midpoint of the cell, hence option d is correct.
Learn more about mitosis, here:
https://brainly.com/question/26678449
#SPJ2
Which of the following energy forms is not involved in hitting a tennis ball?
a. kinetic energy
e gravitational potential energy
b. chemical potential energy
d. elastic potential energy
tantial energy is that
Answer:
I do think elastic potential energy
Answer:
Its d
Explanation:
i belive so
50 things that use electricity
Answer:
Cars
Lightbulbs
Laptops / Computers
Heating.
Cooling.
Water Heater.
Washer and Dryer.
Lights.
Refrigerator.
Electric Oven.
Dishwasher.
Cell phone charger: 1 W
Computer LCD monitor: 3.5 W
Desktop computer (off): 9.21 W
Desktop computer (sleeping): 83.3 W
Computer stereo speakers: 5.6 W
Plugged in laptop (not charging): 50 W
Fax machine: 8.72 W
Furnace: 9.8 W
Air Conditioner: 1 W
Ink jet printer: 4 W
Coffee maker: 2.7 W
Musical instruments: 4.2 W
Gas range: 1.7 W
Night light (off): 0.34 W
Surge protector: 6.3 W
Electrical toothbrush: N/A
Shaver: N/A
Explanation:
A scientist is studying an organism with a mutation which reduces the efficiency of tetrad formation. This defect would most likely affect the ability to:
Final answer:
A mutation that reduces the efficiency of tetrad formation would affect the ability of an organism to undergo meiosis properly, leading to errors in crossing over and recombination.
Explanation:
A mutation that reduces the efficiency of tetrad formation would most likely affect the ability of an organism to undergo meiosis properly.
Tetrad formation occurs during prophase I of meiosis, when homologous chromosomes pair up and form structures called tetrads. This process allows for crossing over and genetic recombination, which are important for genetic diversity.
If the efficiency of tetrad formation is reduced, it could lead to errors in crossing over and recombination, resulting in abnormal chromosome segregation and reduced genetic diversity.
Which statements apply to laws? Check all that apply.
O Alaw is a factual statement.
Alaw is testable.
Alaw is a possible answer to a scientific question.
Alaw is an explanation.
A law cannot be changed or replaced.
The statements that apply to laws are as follows:
Law is a factual statement.A law cannot be changed or replaced.Thus, the correct options for this question are A and E.
What do you mean by Law?Law may be defined as a type of rule or a set of rules that are significantly enforceable by the courts in order to regulate the government of a state. They maintain the proper functioning of society with equality and justice.
According to the context of this question, the requirement of law always determines the proper functioning and well-being of society. They remain equal for all irrespective of caste, creed, religion, etc. Law governs a factual statement that can not be changed or altered for the need of people.
Therefore, the correct options for this question are A and E.
To learn more about Law, refer to the link:
https://brainly.com/question/25368237
#SPJ5
Why are cancer cells harmful? Select all statements that apply.
A. They absorb nutrients needed by other cells.
B. They block nerve connections.
e block nerve connections
C. They prevent organs from functioning properly.
D. They stop cell growth and division.
Answer:
Explanation:
its not d because the normal cells would already stop and continue division while the cancer cells dont stop it. It would be A because they absorb amino acids and other nutrients
Answer:
A, B, C
Explanation:
I just took the test!! trust me plz!
good luck <3
Based on the root vict, what does the word victorious mean?
A) having experienced something
B) having stolen something
C) having seen something
D) having won something
idk
Answer:
having experienced something
ANSWER::::::)))))))))))))))) having experience in something
What were Punnett squares developed to do?
to predict the probability of offspring phenotypes
to predict the probability of offspring genotypes
neither of the above
Answer: to predict the probability of offspring genotypes
Explanation: Punnett squares are developed to predict the probability of offspring genotype. Punnett square is a square shaped diagram used for predicting the possible genotypes of a cross between two organisms. Punnett square is named after Reginald C. Punnett, who invented the approach. In punnett squares, the genotypes of the parents are written on the top and left hand side of the square while the possible genotypes of their offsprings are written in the boxes.
Answer:
He is correct
Explanation:
on 2
Where is energy made in a cell?
Select one:
a. In ribosomes
b. In the mitochondria
c. In the cytoplasm
d. In the nucleus
What is formed during primary succession that
doesn't need to be formed during secondary
succession?
Answer:
I think the answer would be lichens, because lichens are formed during primary succession as a pioneer species. During secondary succession, grasses are usually the pioneer species.
Answer:
During the primary succession soil is formed.
Explanation:
It doesn't need to be formed in the secondary succession because the pioneer plants already broke down the mineral-rich rocks into soil. Which in term allow less hardy species to grow and eventually replace the pioneer species.
How did Griffith help build our understanding of genetics
What are the structures that function Mitochondria?
Answer:
Mitochondria - Turning on the Powerhouse
Explanation:
Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
Which of the following is a function of the cell membrane?
producing energy
creating new cells
eliminating of waste
replacing damaged cells
Answer:
Eliminating of waste
Explanation
Cell membrane plays a very important role in role in the exchange of materials. When the level of a certain material raised from a specific level and outside the cell the level of that material is low. Then that material moved from higher to lower level through the cell membrane. This process is called as diffusion. And by this method waste material eliminate from the cell.
Order the steps in a Scientific Investigation. (PLEASE ANSWER ASAP)
Answer:
ask a question, make a hypothesis, plan investigation, carry out investigation, organise data, share results, explain results, think of new question and retest.
Explanation:
Sorry if thats not the way your school does it but thats how I was taught :)
Answer:
1) Ask a question.
2) make a hypothesis
3) Plan the investigation
4) Carry out the investigation
5) Organize data just collected
6) Explain results (conclusion)
7) Share results
8) Think of new question and retest.
Explanation: For every problem we make a hypothesis. Hypothesis is a statement that may true or false. Then we test the hypothesis by performing many experiments and collect the data. Then we draw a conclusion.
which statement best describes two objects experiencing a gravitational interaction?
Answer:
C. The objects can only attract each other and the force depends on their masses.
Explanation:
These are the answers to the question. The correct answer is going to be C. The objects can only attract each other and the force depends on their masses. I know this, because I got it wrong and that was the right answer.
A.
The objects can only repel each other and the force does not depend on their masses.
B.
The objects can attract and repel each other and the force depends on their masses.
C.
The objects can only attract each other and the force depends on their masses.
D.
The objects can attract and repel each other and the force does not depend on their masses.
Final answer:
The correct statement is that two objects experiencing gravitational interaction can only attract each other, and the force depends on their masses. This gravitational force is always attractive and follows Newton's universal law of gravitation, which involves both mass and distance but does not allow for repulsion.
Explanation:
The statement that best describes two objects experiencing a gravitational interaction is: The objects can only attract each other and the force depends on their masses. This interaction is dictated by Newton's universal law of gravitation, which states that every particle in the universe attracts every other particle with a force along a line joining them. The gravitational force is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between them.
According to Newton's third law, the magnitude of the force is the same on both objects, regardless of their mass difference, as the gravitational attraction acts along a line joining the centers of mass of the bodies involved. Gravitational force is always attractive; it never causes objects to repel each other. Consequently, the correct answer is B.
2 Points
Which of the following is a good reason to use a simulation in an
experiment?
One of the good reason to use simulation in an experiment is to predict the outcome of an event in the real world.
Explanation:
Simulation is a programming software which helps in imaging or easy understanding of any experimental concept virtually. For example, if we enter the details regarding an element, the simulation can draw the structure of that element. Also it may predict the working of the bonds and other parameters in different conditions based on classical and quantum theoretical laws. So a researcher can compare the results obtained from simulation and also from experimental results.
In other words, simulation will help a researcher to have an assumption about the behavior of the sample in real world conditions.
What kingdom does the snake belong to? A.
the plant kingdom.
B.
the protist kingdom.
C.
the animal kingdom.
D.
both the animal kingdom and the protist kingdom.
Answer:
C.
Explanation:
Snakes are animals.
Which food chain is part of this food web?
A. Kelp → zooplankton — sea otter - bald eagle — rock ptarmigan
B. Kelp – phytoplankton – plants – rock ptarmigan – bald eagle
C. Bald eagle – sea gull — mussel – zooplankton – phytoplankton
D. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Answer:
Which food chain is part of this food web?
Phytoplankton — zooplankton — fish — sea gull – bald eagle
Explanation:
From the above question, every food web must start with a producer which is the phytoplankton here in order to complete such food chain or to make it balanced. Phytoplankton — zooplankton — fish — sea gull – bald eagle
Food chain or web starts from the least to the peak or highest feeder
In some chickens, feather color is controlled by codominance. When a black chicken mates with a white chicken, all of the offspring
are covered in both black and white feathers.
A farmer mates a black chicken (BB) with a black and white (BW) chicken.
What are the predicted phenotypes of their offspring?
Answer: 50% BB, 50% BW
Explanation:
The phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
What is Codominance?Codominance is a type of inheritance in which two alleles of the same gene are expressed differently to produce different traits in an individual. It is the presence of multiple dominant alleles for the same gene.
For the above given information,
Black chicken (BB) cross with black-and-white (BW) chicken. The gametes will be B, B, and B, W.
So, 50% of the offspring is BB black chicken and 50% is black-and-white (BW) chicken.
Thus, the phenotype of the progeny will be BW 50% of the progeny are BB, and 50% of the progeny are BW. Both alleles are expressed in the phenotypic and neither of these two alleles is able to dominate the other.
Learn more about Codominance, here:
https://brainly.com/question/14053639
#SPJ5
100 POINTS! Name a dinosaur with 500 feet. (pls dont google it)
Answer: was it the Nigersaurus faqueti
?
Explanation:
Answer:
Nigersaurus
Explanation:
How does Angiogenesis lead to cancer cells?
Answer:
The angiogenesis are formation of new blood vessels. The formation of new blood vessels supply the cancer cells oxygen and nutrients which is stimulated by the chemical signals sent by the tumor allowing the tumor to enlarge and they continue to invade nearby body tissues spreading to the whole body forming new colonies of cancer cells.
Explanation:
residents of a town are concerned that a recently built factory could pose health risks. Scientists were asked to investigate the effects of the factory on the health of local residents. the most relevant information they reported was that.
Answer:
I think it would be something like smoke in the air the waste it produces stuff like that.
Explanation:
Option d. local medical facilities have recently reported a 15% increase in the number of patients treated for asthma. The most relevant information regarding the health risks of a new factory is the observed 15% increase in asthma treatments at local medical facilities, linking emissions to respiratory issues.
Concerning the health risks posed by a new factory to local residents, the most relevant information reported by scientists indicates a 15% increase in patients treated for asthma at local medical facilities. This increase is notable because it suggests a direct correlation between emissions from the factory and respiratory issues in the community, given asthma's association with air quality. Historical and contemporary studies highlight that even low levels of air pollution can be detrimental, resulting in higher rates of respiratory illnesses and affecting vulnerable populations, such as children, more severely.
Poor air quality has significant health consequences, increasing the risk of respiratory and heart disease and higher mortality rates. While visual pollution signs and anecdotal reports of factory emissions are concerning, quantifiable health data, like the recorded rise in asthma cases, offers a more concrete assessment of the potential impact the factory might have on the community's health.
What are the benefits and limitation of using point of care testing in a suburban general practice to the patient and to the general practitioner?
Answer:
Answer is given in the Explanation.
Explanation:
General practitioners play a key role in identifying and treating infections in the elderly. During work hours, general practitioners are responsible for evaluating patients with acute problems in the area of influence of their practice. Outside of this period, patients can also access general practitioners after hours (OOH). However, they work in an emergency department and do not necessarily know the patient or have access to his medical records.
After diagnosing an infection in the elderly, general practitioners also face the problem of determining severity and predicting prognosis. Assessment systems such as the Pneumonia Severity Index (PSI) and CRB65 score (both to assess the severity of community-acquired pneumonia based on simple clinical observation) have been recommended to support prognostic decisions regarding primary care. However, these scores were developed to predict mortality during a hospital evaluation. Limits apply when using these scores for elderly patients in the community, as they have not been developed or validated for this population and are not clinical comorbidities or social factors.
Describe the structure of a phospholipid use the term polar and nonpolar in your answer
Answer:
Key Points
# Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol.
# The phosphate group is the negatively-charged polar head, which is hydrophilic.
#The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
#Since the tails are hydrophobic, they face the inside, away from the water and meet in the inner region of the membrane.
#Since the heads are hydrophilic, they face outward and are attracted to the intracellular and extracellular fluid.
#If phospholipids are placed in water, they form into micelles, which are lipid molecules that arrange themselves in a spherical form in aqueous solutions.
Terms:
#micelleLipid molecules that arrange themselves in a spherical form in aqueous solutions.
#amphipathicDescribing a molecule, such as a detergent, which has both hydrophobic and hydrophilic groups.
:Defining Characteristics of Phospholipids:
Phospholipids are major components of the plasma membrane, the outermost layer of animal cells. Like fats, they are composed of fatty acid chains attached to a glycerol backbone. Unlike triglycerides, which have three fatty acids, phospholipids have two fatty acids that help form a diacylglycerol. The third carbon of the glycerol backbone is also occupied by a modified phosphate group However, just a phosphate group attached to a diacylglycerol does not qualify as a phospholipid. This would be considered a phosphatidate (diacylglycerol 3-phosphate), the precursor to phospholipids.
A phospholipid is a lipid molecule that forms the basis of cell membranes. It has a polar head that is attracted to water, and nonpolar tails that repel water. In an aqueous environment, this causes phospholipids to arrange themselves into a bilayer which selectively allows substances pass in and out of the cell.
Explanation:A phospholipid is a type of lipid molecule that is a key component of all biological membranes. It has a unique structure which includes a polar head and two nonpolar tails. The polar head is composed of a phosphate group and is hydrophilic, meaning it is attracted to water. The nonpolar tails are fatty acid chains and are hydrophobic, meaning they repel water. When in a aqueous environment, phospholipids arrange themselves into a bilayer, with the polar heads facing the water and the nonpolar tails facing each other. This structure is crucial to its function in the cell membrane, where it forms a barrier that selectively allows substances to pass in and out of the cell.
Learn more about Phospholipid Structure here:https://brainly.com/question/15921859
#SPJ2
Each element on the periodic table is represented by a:
Each element on the periodic table is represented by its element symbol and atomic number.
Explanation:
The periodic table is the list of known chemical elements. The atomic number of an element is the same as the number of protons in the particular nucleus of an atom.
The elements in the periodic table are arranged into periods and groups. A row of elements across the table is called a period.
In a periodic table element is listed by its symbol and atomic number. For example "H" denotes hydrogen, "Li" denotes lithium.
The elements in the same group represents the patterns in atomic radius, ionization energy and electronegativity. The elements are represented by 2 letters one capital and other in lower case. they are arranged based on the increased atomic number.
Each element on the periodic table is represented by a unique symbol and an atomic number, along with other properties. The symbol is an abbreviation of the element's name, and the atomic number represents the number of protons in the element's nucleus.
Explanation:Each element on the periodic table is represented by a unique symbol which consists of one or two letters. These letters are an abbreviation of the element's name. For instance, the symbol for Hydrogen is 'H', for Carbon is 'C', and for Oxygen is 'O'. Furthermore, every element on the periodic table also has an atomic number, which is unique to each element and represents the number of protons in its nucleus. So, an element on the periodic table is represented not only by its symbol but also by its atomic number and other details such as atomic mass.
Learn more about Periodic Table Representation here:https://brainly.com/question/35144298
#SPJ3
Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation.
H-C-0-H
-
-
I-U-O
OH
-0-I
Which chemical formula reflects the diagram?
O 6012H6C
6C12H60
Mark this and retum
Save and Exit
Next
Submit
HELPPPPP
Answer:
6C12H60 is the chemical formula of glucose which is formed during the process of photosynthesis.
In photosynthesis, carbondioxode enters into the plant body through small opening called stomata and water is absorbed by the plants from the soil. When these two materials combine with each other, two products are formed such as glucose and oxygen.
Equation of photosynthesis.
CO2 + H2O - - - - C6H12O6 + O2
Answer: The chemical formula reflects the diagram is 6C12H60.
Explanation: During photosynthesis, six molecules of carbon dioxide react with six molecules of water to form one molecule of glucose and six molecules of oxygen. The equation for the reaction is: 6CO2 + 6H2O --> C6H12O6 + 6O2. A glucose molecule contains six atoms of carbon, twelve atoms of hydrogen and six atoms of oxygen (C6H12O6). Therefore, 6C12H60 is the same as C6H12O6
What does the pH scale measure? What number is neutral? Basic? Acidic?
The pH scale measures the acidity or basicity of any solution under optimum conditions.
What is pH?pH may be defined as a figure that estimates the acidity or alkalinity of a solution on a logarithmic scale.
On the pH scale, the number 0 to 6 represents the acidity of the solution, 8 to 14 represents the basicity of the solution and the number 7 is the neutral one.
Therefore, it is well described above.
To learn more about the pH scale, refer to the link:
https://brainly.com/question/15075648
#SPJ2
100 Points HELP ASAP
Answer no 1)
The cross between a homozygous red bull (RR) and a heterozygous red cow can be made as follows:
R r
R RR Rr
R RR Rr
The results from the experiment show that 50% of the genotype will be homozygous for red colour and 50% of the population will be heterozygous for the red colour. The phenotype will be 100% red.
Answer No 2)
Cross between a heterozygous red bull (Rr) and a heterozygous red cow (Rr)
can be shown as follows:
R r
R RR Rr
r Rr rr
The results show that the genotype will be 25 % homozygous dominant, 50% heterozygous and 25% homozygous recessive. The phenotype will show 75% dominant trait (red) and 25% recessive trait (white).
Answer No 3)
The cross between a homozygous white bull (rr) and a homozygous white cow (rr) can be shown as follows:
r r
r rr rr
r rr rr
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Answer:
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Explanation: