What are two things which the Sun sends out into the Solar System which have negative effects and what are those effects ? How does solar activity change over time?

Answer:

4N

Explanation:

Mitosis is the process whereby a cell duplicates or produces another identical copy of itself. The mitotic process, which occurs in four main stages produces two daughter cells that are genetically identical to the parent cell. For example, a diploid organism (2n) will produce two daughter cells with 2n from mitosis.

However, in a case whereby a plant cell (A) screws up mitosis during metaphase and pulls full copies of all chromosomes to one side. This would result in one daughter cell having 4n or tetraploid number of chromosomes. Ideally, mitosis separates the chromosomes equally into the two daughter cells to have 2n each. If one cell has all chromosomes, it means that cell will have all the 4n.

For example, in a diploid human cell with 46 chromosomes (2n). Mitosis should occur in such a way that each daughter cell will have a diploid 46 number of chromosome (2n). However, if all the chromosome ends up in one cell during mitosis, that cell will have 92chromosomes, which is 4n or tetraploidy.

Although the total distance the impulse travels in the reflex arc is less than 3 meters. the time taken is more than 0.04 seconds and the time taken is more than expected because of Synapses or due to gaps between neurons.

Diagram displays the whole reflex arcs from the tip of the finger to the spinal cord and then back out to a closer muscle, possibly in the forearm or the arm. Because the signal doesn't have to go all the way back to the finger, the total distance is less than 3 meters. Considering that it just travels back a portion of the way, less than 3 meters, it takes. Let's see, it takes more than twice as long, therefore the query makes us think about why the delay. Where is the hold-up what is happening there, and the key to this is that the gray matter of the spinal cord doesn't truly contain mylin, despite the fact that we said it- accelerates electrical conduction through the axon in the nerves of the extremities. Mylin has a whitish color, which contributes to the white matter's appearance of whitishness. Thus, the electrical signal becomes slower.

To know morw about reflex visit: https://brainly.com/question/6023003

#SPJ9

Answer:

Boreal forest is among the largest terrestrial biomes on earth in which minerals in the soil most rapidly depleted.

Explanation:

a) movement of molecules from an area of high concentration to low concentration

Answer:

the first is circulatory

the second one I think is the third answer

Answer:

The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.

Answer:

Here are two examples of how homeostasis regulates different aspects of the body: Get homework help from firstgradeessays[at]gm ail. c om. Quality is a priority.

Body Temperature Regulation: The human body has a set temperature range (around 36-37 degrees Celsius or 98-99 degrees Fahrenheit) that needs to be maintained for optimal functioning. When the body temperature rises due to exercise or external heat, homeostatic mechanisms helps to cool the body. These mechanisms include sweating, which helps dissipate heat through evaporation. Dilation of blood vessels near the skin surface facilitates heat loss. Conversely, if body temperature drops, homeostatic responses like shivering and constriction of blood vessels occur to generate heat and conserve warmth.

Blood Glucose Regulation: Maintaining blood glucose levels within a narrow range is crucial for proper physiological functioning. After a meal, blood glucose levels increase, triggering the release of insulin from the pancreas. Insulin helps facilitate the uptake of glucose by cells, reducing blood glucose levels back to normal. On the other hand, when blood glucose levels drop (e.g., during fasting or exercise), the pancreas releases glucagon, which stimulates the liver to release stored glucose into the bloodstream. This process raises the blood glucose levels and restores homeostasis.

Explanation:

Answer:

Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines. ... There are huge quantities of petroleum found under Earth's surface and in tar pits that bubble to the surface. Petroleum even exists far below the deepest wells that are developed to extract it

Explanation:

Hope this helped Mark BRAINLEST!!!

The phenotypic ratio of the cross is as follows: 3 red antennas: 1 white antenna

For question 2, the phenotypic ratio of the F2 generation is: 3 black-eyed: 1 orange-eyed

QUESTION 1

According to the first question, a gene coding for antenna color in butterflies is involved. Red antennas (“R”) is dominant to white antennas (“r”). Hence, a butterfly with genotype "Rr" will be phenotypically red.

According to this question, If both parents are heterozygous for red antennas i.e. Rr (red antenna) × Rr (red antenna), the following gametes will be produced: R and r. Using these gametes in a punnet square (see attached image), the following phenotypic ratio of offspring is produced:

3 RED ANTENNAS (RR, Rr, Rr) : 1 WHITE ANTENNA (rr)

2. In the second question, all the offspring of a cross between a black-eyed mendelien (BB) and an orange-eyed mendelien (bb) have black eyes (Bb). In a cross between two F1 black-eyed mendeliens i.e. Bb × Bb, the following proportion of offspring is produced:

BB, Bb, Bb, bb

Hence, a phenotypic ratio of 3 black-eyed: 1 orange-eyed

Learn more at: https://brainly.com/question/3840678

Using the activity series of metals can help Devin address his issue.

Chemical reactions are seen as examples, such as freezing and boiling. Depending on how they define substance, this. Students who view ice as being distinct from liquid water are more likely to categorize ice melting as a chemical reaction.

A chemical is any substance whose composition is known. To put it another way, a chemical always consists of the same "substance." There are some substances in nature, like water. Various chemicals, including chlorine, are produced (used for bleaching fabrics or in swimming pools).

To know more about metals visit:-

https://brainly.com/question/27941925

#SPJ1

Answer:

i think exercise>>

Explanation:

Answer:

Explanation:

Cholesterol and saturated fats

Cholesterol is a fatty substance that's mostly made by the body in the liver.

It's carried in the blood as:

low-density lipoprotein (LDL)

high-density lipoprotein (HDL)

Eating too much saturated fats in your diet can raise "bad" LDL cholesterol in your blood, which can increase the risk of heart disease and stroke.

"Good" HDL cholesterol has a positive effect by taking cholesterol from parts of the body where there's too much of it to the liver, where it's disposed of.

Based on my knowledge, monocytes become macrophages when it transfers to the damaged tissue areas. Monocytes are in its original form when it is in the bone marrow and when it gets released to the bloodstream. It will become a macrophage when it gets into a tissue.

The occipital lobe in the left hemisphere of the brain receives visual information from the  

b. right side of the visual field of both eyes.

This phenomenon is known as contralateral processing, where the left hemisphere receives information from the right side of the body and vice versa. The right visual field is processed by the left occipital lobe, while the left visual field is processed by the right occipital lobe. This is because visual information from each eye is transmitted to both hemispheres of the brain, with each hemisphere processing information from the opposite visual field. The occipital lobe is responsible for processing visual information, such as recognizing shapes, colors, and objects, and creating a coherent visual perception of the environment. Therefore, the left occipital lobe plays a crucial role in the processing of visual information from the right visual field.

Learn more about occipital lobe here:

https://brainly.com/question/29768163

#SPJ1

Answer: I go to Pomona College and they are amazing at teaching so many things about the environment through science and in my opinion I think you should go. My experience so far is amazing and if you are curious and want to know something new this is where to go:)

Explanation:

Picture Credits ⟶ https://www.pikist.com/free-photo-vwuzb

_________________

Hope it helps!

\(\mathfrak{Lucazz}\)

Serotonin is an example of a chemical mediator, option A is correct.

Chemical mediators are molecules that are released by cells and tissues in the body in response to injury or infection. They can initiate, amplify, and coordinate immune and inflammatory responses. Serotonin is one such chemical mediator. It is a neurotransmitter that is released by platelets and other cells in response to injury or inflammation. Serotonin causes blood vessels to constrict and helps to form blood clots.

It can also stimulate pain receptors and activate the immune system. Other examples of chemical mediators include histamine, prostaglandins, and cytokines. These molecules play important roles in maintaining homeostasis in the body and in responding to a wide range of physiological and pathological stimuli, option A is correct.

To learn more about Serotonin follow the link:

https://brainly.com/question/30822986

#SPJ1

Answer:

Multiponent cells

Explanation:

Multiponent cells are most likely to form after the first few divisions, if u dont belive me check your lesson.

trust my answers if YOU want to.

The most likely type of cells that form during the first few divisions is referred to as the multipotent cells.

Multipotent cells have the ability to replicate and differentiate into more

than one type of cells.The differentiation brings about specialization of the

cells which involves a group of cells which are formed having similar

structures and being able to perform similar functions.

This ensures that the human cells  have their unique structure and functions

thereby enabling them work together to achieve a common goal.

Read more on https://brainly.com/question/24526893

The ability to refrain from visiting an arm of the radial arm maze more than once on a given test is a measure of C) working memory.

An apparatus known as the radial arm maze is made up of a circular center compartment from which eight equally spaced "arms" extend. The far end of each arm may contain a reward, typically food-based, that cannot be seen from the center compartment. Each arm is an equally long column.

The temporary storage of this kind of information is referred to as working memory. Working memory, in contrast to long-term memory, which describes the temporary, limited holding of information used in tasks like the radial arm maze, describes the ability to recall information from a long time ago. Since testing in the outspread arm labyrinth is done either in one meeting or in different meetings which happen with hardly a pause in between, it is a compelling trial of both reference and working memory.

Know more about Working memory here: https://brainly.com/question/6292992

#SPJ4

Answer:stop use brainly for cheat n go do your own work

Explanation:

Carboxylic acid, often known as carboxyl, is a functional group that can be found in compounds like fatty acids and amino acids. This team functions as an acid. Amino acids and pentose sugars are only a couple of examples of compounds that include the functional group hydroxyl.

The hydroxyl group's hydrogen atom can be released from the carboxyl group as a free proton (H+), which allows it to operate as an acid and ionise.

The most prevalent organic acids are carboxylic acids, which get their acidity from the carboxyl group in their structure, COOH. Sulfonic acids, which belong to the SO2OH group, are comparatively more potent acids. Alcohols can function as acids when they have -OH, but they are typically quite weak.

To know more about pentose sugars visit:-

https://brainly.com/question/30580918

#SPJ1

Answer:

Nucleus

I did this and I think it was right

Answer:

nucleus

The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA.

Answer: 50% of the offspring are predicted to have blue feathers.

Explanation:

I'm going to assume since the problem didn't say otherwise that we're working with simple dominance. This is usually the first kind of inheritance that we learn about in school.

For every gene, there are two alleles, a dominant allele (B), and a recessive allele (b). We represent these as a capital letter and a lower case letter. For this problem, let's use a 'B' for blue. There are three combinations that these can come in:

If the alleles are the same, we say the organism is homozygous for the gene. If it has one of each, then the organism is heterozygous.

In simple dominance, if there's a dominant allele present (B), the organism will always show the dominant phenotype (in this case, blue feathers). So, the only offspring that can have white feathers are the ones with a bb genotype.

A punnet square is a tool used by biologists to determine the probability of two organisms' offspring having certain genotypes. For this simple cross, where we have one gene with two alleles, we just need a 2x2 square. On either side of the square, we're going to put the two alleles of each parent. Then, we'll take each allele on top and add it to the boxes beneath it. Finally, take the alleles on the side and place them in the boxes to their right. I'll attach the completed square to my answer.

Once the entire square is filled in, we'll see the following results:

2/4 offspring will have a heterozygous genotype (Bb) and therefore have blue feathers.

2/4 offspring will have a homozygous recessive genotype (bb) and have white feathers.

So, one-half, or 50%, of the parakeets' offspring will have blue feathers.

Answer:

50%

Explanation:

hope this helps

Answer:

3 x 10⁷

Explanation:

3 * 10 7 grams are in 30,000 Kg.

We can readily write and use extremely big or extremely small numbers by using scientific notation.

You'll see very quickly that using Scientific Notation actually makes it possible for us to operate efficiently while avoiding accidental decimal blunders.

We need to learn how to read and write numbers in scientific notation before we can move on. A scientific notation number contains two elements, as Math is Fun so eloquently reminds out.

Therefore, 3 * 10 7 grams are in 30,000 Kg.

To learn more about Scientific notation, refer to the link:

https://brainly.com/question/18073768

#SPJ2

Answer:

yes winter time sunrise exactly time but winter time you can't see sun

Answer:

C. The heartbeat of the developing human can be heard via stethoscope.