why do chromosomes form in mitosis

Answers

Answer 1

Answer:

The purpose of mitosis is to make more diploid cells. It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.


Related Questions

Hello! I Need help with this. Please Help Make Sure you explain your answer i will be marking brainliest to the first person who has the right answer.....Please Help!!/

Answers

Answer:d

coach taught me that its about the mitts energy

Answer:

D. The catchers mitt will transform the balls kinetic energy to potential energy

Explanation:

I personally think it is D. Cause the kinetic energy(motion) is happening while the ball is move fast toward the catchers hand. Then when he catches it the ball stops moving and turns into potential energy(movement about to happen) cause the ball is not moving and the catcher has to return the ball back to who ever.

:D

A population of rabbits follows the typical pattern of inheritance and the law of dominance for fur color. B is the allele for brown fur and b is the allele for white fur. In a population of rabbits, 160 bunnies are born. How many bunnies should be white, according to the Punnett square? A) 40 B) 60 80 D) 100 ​

Answers

The answer would be a)40
After completing the punnet square you find that 1/4 of the bunnies will have white fur since white fur is recessive and would only be characterized if no dominant genes are present
1/4 of 160= 40

what category of biological molecule is glucose

Answers

Answer:

Glucose is a carbohydrate

Explanation:

Glucose is a monosacchride carbohydrate.

Help please!
I know one of the answers is that the lower temperature means the reaction will happen slower, but what’s the second answer?

Answers

Answer with Explanation:

Hydrogen peroxide is considered "unstable," thus, storing it in the refrigerator provides two advantages:

1. It slows down thermal decomposition.

The rate of decomposition slows down when the temperature is lowered. It increases when the temperature rises.

2. It prevents photolytic decomposition.

Photolytic decomposition happens when hydrogen peroxide is exposed to sunlight or bright light. It therefore increases the rate of reaction. Therefore, hydrogen peroxide should be stored in a cool and dark place, such as the refrigerator.

Why was miasma theory replaced?
O John Snow collected data that showed that germs cause disease.
O John Snow collected data that showed there was another cause to disease.
O New technology showed that miasma cannot exist.
O New technology showed that germs cause disease.

Answers

Answer:

Miasma theory was replaced because John Snow collected data that showed that germs cause disease.

Explanation:

The theory of miasma was proposed in the past when some scientists —like doctors Thomas Sydenham and Giovanni Maria Lancisi— thought that disease was the product of emanations originated by the decomposition of organic matter. This theory was based on the fact that diseases predominated in places with poor hygienic conditions.

John Snow, an english physician, was one of the main contributors to the microbial theory of disease. In 1854, while a cholera epidemic was occurring, he collected data and organized it statistically and then concluded that the disease was caused by germs present in drinking water. This data was contrary to the miasma theory, which would eventually be displaced by the microbial theory of the disease.

How does pinocytosis work?

A. A cell removes water or wastes out of itself.
B. Cytoplasm packages a particle within a food vacuole.
C. An outer cell membrane surrounds extracellular fluid before a vacuole forms containing the fluid.
D. Water molecules move from a high to a low concentration.

Answers

C. An outer cell membrane surrounds extracellular fluid before a vacuole forms containing the fluid

it's a type of cytosis vesicular active transport that involves the invagination of the plasma membrane to introduce a liquid in the cell in contrast with the phagocytosis which is made for solids

can someone tell me the answers i need to turn this in asap?

Answers

Answer: 1. The population will increase because of the safeness. 2. Some animals might starve or become unhealthy because lack of resource. 3. A lot of animals will eventually die.

Explanation:

Good luck btw!!

Describe five characteristics that all carnivores share.

Answers

Answer:

they eat meat, they are living oranisims, they need food to survive, they have similar teeth,

Explanation:

strength, speed, and keen senses for hunting, as well as teeth and claws for capturing and tearing prey.

What are some examples of unicellular organisms

Answers

Answer:

ameoba,algae,protozoa and bacteria

Explanation:

these organisms are single cell organisms

Answer:

Paramecium, euglena, amoeba, chlamydomonas

Explanation:

Unicellular organisms are those organisms whose bodies are made up of single cells only. In other words, their body is made up of the simplest functional unit of living organisms according to the cell theory - the cell. Within  the single cell are organelles with specific functions that constitute the basic characteristics of living things.

Examples of unicellular organisms include paramecium, euglena, amoeba, chlamydomonas, etc.

How do plants turn sunlight into energy?
This needs to have a chemical equation, reactants, and products.

Answers

Answer: Photosynthesis
The picture shows the chemical equation the reactants are before the arrow the product is after.
The yellow lines at the top is sunlight

Read the experimental design and answer the questions:
A group of students was trying to determine which type of soil would rose bushes grow the tallest in. They had five rose bushes that they planted in five different types of soil. The five bushes were all the same type and size in the beginning. The size of the pots were the same, they were watered the same amount and kept in the same light and temperature conditions.
a. What was the question and what was their hypothesis?
b. What was the independent variable?
What was the dependent variable? How do you think they measured it?
What conditions (variables) were controlled during the experiment?

Answers

Answer:

The question: Which type of soil would roses bushes grow the tallest in?

Hypothesis: One soil type would help the bush grow taller because each soil has different formulas while they were all water the same, got the same amount of sunlight, and kept at the same temperature.

Explanation:

Don't copy this exactly please, put it in different words because I didn't do well putting it together but there you go, lol.

Hope this helps!!!

a. The question the students were trying to answer was "Which type of soil would rose bushes grow the tallest in?" Their hypothesis was that one type of soil would lead to the rose bushes growing taller than the others.

b. The independent variable in this experiment was the type of soil in which the rose bushes were planted. The dependent variable was the height of the rose bushes. They likely measured the height of the bushes at regular intervals (e.g. daily or weekly) using a ruler or tape measure.

The conditions (variables) that were controlled during the experiment were the size of the rose bushes, the size of the pots, the amount of water, the light and temperature conditions.

What is a variable?

A variable is a characteristic or property that can take on different values or can be manipulated in an experiment or study. In science, variables are used to help understand the relationship between different factors or phenomena.

They can be classified as independent variables, which are manipulated by the experimenter, and dependent variables, which are observed or measured as a result of the manipulation of the independent variable. In some cases, there are also controlled variables which are kept constant in an experiment

Learn more about variables, here:

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write 10 energy converters in our daily life along with their energy chains

Answers

Answer:

What are some examples of energy transformation?

The Sun transforms nuclear energy into heat and light energy.Our bodies convert chemical energy in our food into mechanical energy for us to move.An electric fan transforms electrical energy into kinetic energy.

Explanation:

Hope it is helpful....

How does lymph return to the circulatory system from the lymphatic system? (2 points)


1) It drains into a larger lymph node, which returns it to the subclavian veins.
2) It drains into a larger lymph trunk, which returns it to the subclavian veins.
3) It drains into a larger lymph trunk, which returns it to the subclavian arteries.
4) It drains into a larger lymph node, which returns it to the subclavian arteries.

Answers

Answer:

It drains into a larger lymph trunk, which returns it to the subclavian veins.

Explanation:

the second one is the correct answer, mark me brainliest if the answer is correct, thank you in advance :)

Will get brainliest answer

What occurs during the first stage of protein synthesis

1. The dna unzips, and rna bases match up along a strand.

2. Messenger rna moves out of the cell nucleus

3.transfer rna carries a specific amino acid to the ribosome.

4. Messenger rna attaches to a ribosome

Answers

Answer:

The correct answer is -  1. The DNA unzips, and RNA bases match up along a strand.

Explanation:

The first stage of protein synthesis is transcription, which is the process that copies DNA sequences in a complementary sequence into the new mRNA molecule. In this stage, DNA molecule unwinds and unzip, and RNA molecule bind at a strand and elongate by adding new complementary bases with the help of RNA polymerase enzyme. Once the elongation of the RNA molecule ends the termination takes place and a new mRNA molecule that stores information to synthesis amino acid chin is produced successfully.

Thus, the correct answer is -  1. The DNA unzips, and RNA bases match up along a strand.

Living things can be classified based on which of these criteria? (Select all that apply.)
O number of legs
O reproduces asexually
O aquatic
O oxygen breather

i’ll mark brainliest for the first person to get it right!!

Answers

Answer:

number of legs

Explanation:

Amphibians are classified by reptiles like snakes, frogs, newts, etc.

Looking at these choices, you can eliminate the second and third choices. Amphibians reproduce asexually, and the majority of them are aquatic. They all need oxygen to live as they are animals.

The only choice left would be the first choice. The number of legs.

what is genotype ?

hey fantasia ​

Answers

Answer:

a genotype is a type of gene that u can't see but phenotype is a type of gene difference that u can see by ur eyes

can i have brainliest if it helped

stay safe

Answer:

ham na jante hua ka batau

tik byy

PLZ I NEED HELP!!!!!!!
Choose a Genetic Disorder from the list provided. Create a PowerPoint that includes ALL the information obtained from your research (questions). Please use rubric provided as a checklist to meet all requirements.

Answers

Hello there!

Albinism is a rare group of genetic disorders that cause the skin, hair, or eyes to have little or no color. Albinism is also associated with vision problems. According to the National Organization for Albinism and Hypopigmentation, about 1 in 18,000 to 20,000 people in the United States have a form of albinism. A group of inherited disorders characterized by little or no melanin production.

This condition increases the risk of skin cancer.

Most people with albinism have pale skin, eye conditions, and are sensitive to the sun.

No cure exists, but skin can be protected and eye conditions can be treated.

mostly men have it

Flatworms can be cut in half, creating two new individuals, by _____.

fragmentation
binary fission
multiple fission
budding

Answers

Answer:

Fragmentation .

Explanation:

Answer:

Fragmentation

Explanation:

The process of fragmentation is indeed the process of breakage of an organism into various fragments that over time gets developed into a complete organism. Thus, this process is also referred to as the process of splitting.

if a person throws a wiffle ball and a tennis ball at the same speed , which object would travel with more kinetic energy

Answers

Answer:

Tennis ball

Explanation: Wiffle ball is lighter than the tennis ball. Heavier objects will have more kinetic energy than lighter objects. Therefore, the tennis ball is the correct answer. Hope this helps :)

What is the energy source which runs the electron transport chain?

Answers

Answer:

ATP

Explanation:

atp is the main source of energy for many cellular processes including muscle contraction and cell division.

What is the Hydrogen concentration of window cleaner?

Answers

Answer:

Explanation:

Residential & Commercial Services. Call Us Now For An Appointment! Services: Window Cleaning, Gutter Cleaning.

a peptide bond is always between the elements:
a. hydrogen & carbon
b. oxygen & hydrogen
c. nitrogen & oxygen
d. carbon & nitrogen

Answers

Answer:

hdgdhdbvdghdhfbvxh DJ ebNBC fgdgdgd bgg fgsgshdbdbdbdbbdhdgd

Explanation:

dhshbdd

Why do primates have a longer childhood than other mammals?
It's not a multiple choice question

Answers

Answer:

The research shows that for the cortex to evolve to be large, primates need a longer pregnancy, whereas a longer childhood is needed for a larger cerebellum to evolve. This means it is critical for infants to have the right environment to develop crucial skills.

Explanation:

How can a diet that is 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates?

Answers

Answer:

Due to increase or decrease in the concentration of carbohydrates have no effect on protein concentration.

Explanation:

A diet having 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates because with the increase or decrease of carbohydrates in the diet does not increase the amount of protein. Protein and carbohydrates are two different things, proteins broken down into amino acid that is utilize by the body for making muscles while carbohydrates are broken down into glucose that is used by the body for performing daily activities.

90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates as it helps to balance the amount of carbohydrates and protein needed for the body to perform its activities.

Carbohydrates

Both carbohydrates and proteins have a vital role in good health. Proteins in our body help to maintain healthy skin, bones, hair and muscles. Carbohydrates give energy to our body parts like the brain, kidney and heart to function properly.

If your diet has only 15% of carbohydrates, then the body will take any measure to get the energy it required for the proper functioning of body parts. The body tries to break down the proteins (that you eat)chemically until it act like carbohydrates.

Learn more about Protein:

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Question
Over the period of a few days, a hospital receives an overwhelming increase in the number of patients with food poisoning.
Question
How would a scientist respond to this increase in sick patients?
Question
by giving the patients vitamin injections and prescribing a medication to calm their stomach and
bowel symptoms
Question
foods each patient ate and identifying patterns of overlap
Question
by examining the type and source
within the foods consumed
Question
by recording the patients' symptoms in their medical records and advising them to get rest and
drink fluids
Question
Question
by providing kind words, nurturing, and emotional support to the patients and asking them about
their feelings
Question

Answers

Answer:

A scientist's response to the increase in food poisoning sick patients should be examining the type and source within the foods consumed.

Explanation:

Food poisoning involves the effects that decomposed or contaminated food can have on a group of people who eat it, and can cause illness in all or most individuals.

Although patients' symptoms should be treated and preventive education provided, the best course of action for a scientist is to investigate the cause.

The response of a scientist to the increase in food poisoning cases is to determine the type and source of food, as well as the nature of the alteration it has -decomposition, contamination, bacteria- in order to eliminate the source and avoid new cases.

The other options may be valid in the face of the appearance of food poisoning cases, but they are not the best procedure with which a scientist would respond.

PLEASE HELP
"Watermelon snow" in Antarctica is caused by a species of photosynthetic green algae that thrives in subzero temperatures (Chlamydomonas nivalis). These algae are also found in high altitude in year-round snowfields. In both locations, UV light levels tend to be high. The reddish-pink color of these algae is due to the presence of carotenoid pigments, which absorb blue light while reflecting red light. Those pigments protect the chloroplast from ultraviolet radiation, as well as absorbing heat, which provides the algae with liquid water as the snow melts around it. This molecular variation in plants illustrates


A. relative fitness because the molecular adaptations in chlorophyll pigments have passed to the next generation

B. innate variability because plants have evolved molecular differences to an environmental stimuli

C. unselective adaptation because plants have evolved molecular differences to adapt to different wavelengths of light

D. inclusive fitness because differences in chlorophyll pigments increase the proliferation of beneficial traits in the population

Answers

The Answer is D

im not sure this is correct answer

2. When you look at white light through a glass
prism, you see a rainbow of colors called a
a. spectrograph.
b. spectrum
c. parallax
d. light-year.​

Answers

Answer:

spectrum

Explanation:

I think its C) spectrum

Answer: the answer is a spectrum

Explanation:

Cuz it’s a spectrum

If the Pacific plate is moving at a speed of 5 centimeters per year, how many kilometers will the Pacific plate travel in 1 million years?

Answers

Answer: 50 kilometers

Explanation:

From the question, we are informed that the Pacific plate is moving at a speed of 5 centimeters per year. The number of kilometers that the Pacific plate will travel in 1 million years would be calculated as:

= 5 × 1,000,000

= 5,000,000 centimeters

Since 100000 centimeters = 1 kilometer, we would convert 5,000,000 centimeters to kilometers. This will be:

= 5,000,000 / 100,000

= 50 kilometers

What characteristic of water causes water to stick to the side of a test tube?

I need a claim, evidence, and reasoning ! will give brainlist

Answers

Answer:

The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity (Claim).

Explanation:

Water (H₂O) is a polar molecule with the ability to generate van der Waals forces, which is explained by the 4 hydrogen bonds it forms to bind to other substances. The consequence of the forces of the molecular bonds are four properties of H₂O, including surface tension, cohesion, adhesion and capillarity.

- Claim: The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity.

- Evidence: Cohesion and adhesion of water are properties that come from the forces of the molecular bonds of water, and whose effect is the ability of water to wet surfaces and adhere to a tube that contains it, the latter due to capillarity. Capillarity also allows water to rise through the roots and stems of plants, through their thin vascular ducts.

- Reasoning: cohesion in water depends on the force of attraction between H₂O molecules, adhesion is the capacity of H₂O molecules to join other different molecules and —together with surface tension— make H₂O molecules close to the walls of a glass tube adhere to it, which represents capillarity.

The effect of capillarity is more evident when the test tube is of a smaller diameter, although capillarity and adhesion to its walls always exist, and to a greater degree than any other substance.

What type of transport uses energy to move substances across the cell membrane

Answers

Answer:

it is called the active transport

Explanation:

primary active transport directly uses a source of chemical energy ATP to move molecules across a membrane against are gradient

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