The diagram below represents a microscopic structure observed during mitosis.
X
А
The region indicated by letter A is known as
1.
an enzyme
2.
a gamete
3.
a gene
an amino acid

Answer:

Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.

Answer:

 You can't see the tuning fork's movement, but the styrofoam ball responds. This is a demonstration to prove that a vibrating body can capable of producing sound, a Science Sir video.

Explanation:

I got it correct

Answer:

There are many ways to save energy at home some are as following:-

1)Use Led Bulbs rather than Tubelight

2)Using Heater or Air Conditioner uses a lot of energy so we should reduce there usage

3)If possible, install a programmable thermostat to automatically adjust your home's temperature settings when you're away or sleeping.

4)Use a bucket of water rather than taking a shower

5)During Winter season use suns heat to heat up your body rather than using heater at day time

6)Save water by scraping dishes instead of rinsing them before loading in the dishwasher

7)Close the tap when not in use

8)While brushing tour teeth, use utensils to clean your mouth rather than using a tap

9)The water you use to mop the floor can we used to water the plant or even clean your car

10)Dont use dryer to dry your cloth rather put it in under sun

Explanation:

PLEASE MARK ME AS BRAINLIEST

Answer

Gas exchange is the delivery of oxygen from the lungs to the bloodstream

Explanation:

It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

write it in your own words, also can i have brainliest

Answer:

XD....

Explanation:

Gas exchange is the physical process by which gases move passively by diffusion across a surface.

Answer:

Nucleus

Explanation:

The cells genetic material is stored in its nucleus

Answer:

The correct answer is - cell membrane - regulates cell contents.

Explanation:

Various cell structures have different cellular functions in the cells. The major function of the chloroplast is to produce sugar with the help of chlorophyll pigment by trapping the sunlight. The mitochondria perform cellular respiration and convert sugar to energy.

The vacuoles are the cell structure that helps in maintaining water balance and also store nutrients and sometimes help in waste disposal, however, it is not its major function. The cell membrane is the cellular structure and barrier that regulate what cell content will move outside the cell and what will enter.

There are several factors that can cause people to evaluate risk irrationally. Here are five:
1. Emotions
2. Cognitive biases
3. Availability bias
4. Lack of information
5. Overconfidence

Factors causing people to evaluate risk irrationally are:

1) Emotions: People's emotions can have a significant impact on how they perceive risk. For example, if someone has recently experienced a traumatic event, they may overestimate the likelihood of a similar event happening to them in the future, even if the actual risk is relatively low.

2) Cognitive biases: Humans are prone to various cognitive biases that can affect their perception of risk. For example, the availability heuristic can cause people to overestimate the likelihood of events that are easily recalled from memory, while the optimism bias can cause people to underestimate their own risk of negative events.

3) Lack of information: When people don't have access to all the relevant information about risk, they may make assumptions or fill in gaps with their own biases or assumptions. This can lead to inaccurate risk evaluations.

4) Social influences: People's perceptions of risk can also be influenced by social factors, such as peer pressure or cultural norms. For example, if everyone in a particular community engages in risky behavior, an individual may be more likely to engage in that behavior as well, even if they recognize the potential risks.

5) Overconfidence: People may also overestimate their ability to control or mitigate risks. For example, someone may believe they are a skilled driver and therefore feel comfortable engaging in risky driving behaviors, even if the actual risk of an accident is high.

Learn more about risk evaluation here:

https://brainly.com/question/29534915

#SPJ11

Answer:

-O

Explanation:

negative o blood is the most common because about more than 50 percent of the earth has it and about 45.5 percent of people in hospitals all around the earth need transfusion blood and O or -O blood can save any type of blood

( plz mark me as brainliest, that would be most appreiciated )

Answer:

O negative

type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.

Action potentials go through four phases: depolarization, overshoot or peak phase, repolarization, and refractory period. The three phases of an action potential are depolarization, overshoot, and repolarization. Hence (a) is the correct option.

In relation to the action potential, the membrane potential has two additional states. First, there is hypopolarization, which comes before depolarization, and then there is hyperpolarization, which comes after repolarization. The three primary phases of a neural action potential are depolarization, repolarization, and hyperpolarization. The threshold voltage of the cell, or the membrane potential at which voltage-gated sodium channels (Nav) open to let an inflow of sodium ions occur, controls how depolarized the cell becomes initially.

To know more about repolarization, click here:

https://brainly.com/question/31350774

#SPJ4

Explanation:

A is 6H2O

B is C6H12O6

C is 6O2

Subduction is a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries.

Uplift or sinking can be due to tectonic movements of plate or the gravitational adjustment of the Earth's crust.

For example cascadia subduction zone and southern alaska are the sites of ongoing subduction in which pacific and juan de fuca plates slide beneath the north american plate. This is the major movement of rocks that can transform the region . This movement will lead to formation of Aleutian island .

In general uplift means vertical elevation of the Earth's surface in response to natural causes. Example of uplift may include tectonic plate that collide, and push up plate  and land, forming mountains.

To learn more about Subduction  , here

brainly.com/question/5273762

#SPJ1

In the experiment by avery, macleod, and mccarty, DNA mixtures converted type r bacteria into type s bacteria. They make up a sizable group of prokaryotic bacteria.

The majority of bacteria are free-living, omnipresent organisms that frequently just have one biological cell. Bacteria, which are among the earliest life forms to exist on Earth and are typically a few micrometres in length, are found in most of its environments. Small, single-celled organisms are known as bacteria. Nearly every place on Earth contains bacteria, which are essential to the health of the planet's ecosystems. Some species can endure situations of high pressure and temperature.

The molecule of information is DNA. It holds the blueprints needed to create proteins, which are other big molecules. Each of your cells contains these instructions, which are dispersed throughout 46 lengthy structures known as chromosomes. Numerous smaller DNA fragments known as genes make up each of these chromosomes.

learn more about bacteria here

https://brainly.com/question/8008968

#SPJ4

The quorum quenching takes place within bacteria targets the signaling mechanism. The effects of plant derived compounds on Vibrio  harveyi is that it leads to enhance the biofilm production.

Quorum quenching is a mechanism that basically plays function within the bacteria. In this process the bacteria intrudes with the signaling process. It basically damages cells that generate a signal within the bacteria. Due to this damage the communication between the cells is blocked and it also shows a great impact on the functioning of bacteria.

The production of biofilm in the gram -ive bacteria known as vibrio  harveyi  are shown due to the synergistic effect which are derived from plant compounds. It is done by reducing the levels of EPS  which  enhances the generation of biofilm and also it ensures stability within the bacteria.

The production of biofilm is necessary as it plays an essential role in infection within the bacteria and it also has efficient chemical properties.

Read more about bacteria

https://brainly.com/question/20488946

#SPJ4

The complete question is -

What is quorum quenching ? What are the synergistic effects of Plant-derived compounds on Biofilm assembly in Vibrio harveyi ?

The likely consequence of the lack of calcium ions on muscle contraction is that the muscles will be unable to contract.

Without the presence of calcium ions, muscles are unable to initiate contraction and relaxation, meaning that the muscle cannot move.

Calcium ions act as an electrical signal to initiate the contraction of the muscle fibers. The calcium ions bind to a protein within the muscle fiber known as troponin, which is responsible for releasing the myosin head. This causes the myosin heads to form cross-bridges, which results in the sliding of the filaments and the generation of force. Without the presence of calcium ions, this process cannot be completed, meaning the muscle cannot contract.

Therefore, the lack of calcium ions results in the inability of the muscle to contract, as calcium ions are essential for the initiation of the contraction of the muscle fibers. Without this process, the muscle is unable to move or generate force.

To know more about  calcium  click on below link:

https://brainly.com/question/19865131#

#SPJ11

Answer:

CHLOROPLAST

Explanation:

As stated in this question, plant cells are capable of producing their own food in form of sugar (glucose) using energy from sunlight in a process called PHOTOSYNTHESIS. Photosynthesis is the process by which green plants and other certain organisms synthesize their own food using light energy.

The ability to carry out this photosynthetic function is embedded in a structure found in plant cells called CHLOROPLAST. Chloroplast contains a pigment called CHLOROPHYLL, which captures light energy from the sun. Generally, the the function of producing sugar in the presence of sunlight (photosynthesis) occurs in the CHLOROPLAST.

Pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.

An indication of inflammation may occur when a wound grows, gets red, and aches. The body's immune system reacts to an irritant by causing inflammation, to put it very simply. A splinter in the finger or other foreign item, such as a bacterium, might possibly be the source of the irritation.

Aulus Cornelius Celsus, a Roman physician, wrote about the four primary symptoms of inflammation in the first century AD. These symptoms include redness (Latin rubor), heat (calor), swelling (tumor), and pain (dolor).

Science has shown that persistent, low-grade inflammation can become a silent killer that fuels type 2 diabetes, cancer, cardiovascular disease, and other illnesses.

Thus, pain relievers, anti-inflammatories, antivirals, and antihistamines all manage: inflammation.

To know more about inflammation refer to:

https://brainly.com/question/12885835

#SPJ1

Answer:

Aristotle

Explanation:

I took the test and got a 100

Aristotle

I took the quiz

Answer:

c

Explanation:

The acacia tree is a producer that get eaten by the impala

The energy from the tree is given to the impala when it eats the tree

Answer:

The correct answer is temperature.

Explanation:

I took the test.

The density-independent limiting factor is any force that affects the size and population, temperature, hence option b is correct.

In ecology, a density-independent factor is any force that has an impact on the size of a population of living creatures regardless of the population's density.

This term is also known as a limiting factor (the number of individuals per unit area). These density-independent causes include nutritional or food scarcity, environmental contaminants, and harsh weather.

Natural catastrophes, seasonal patterns, odd weather, and human activities are density-independent influences.

Therefore, in addition, catastrophes like fires, temperatures, and storms can have an effect on population increase, hence option b is correct.

Learn more about, limiting factors, here:

https://brainly.com/question/6996113

#SPJ2

Answer:

1. Gas exchange takes place by diffusion in the alveoli within the lungs. As a result the composition of inhaled and exhaled air is different.

...

Inhaled and exhaled air.

Gas % in inhaled air % in exhaled air

Oxygen 21 16

Carbon dioxide 0.04 4

Nitrogen 79 79

NB These figures are approximate.  

2. The amount of carbon-dioxide atoms released by respiration are exactly equal to the atoms of these materials contained in the oxygen and carbon converted. In this way respiration has conserved the mass or material and in this way followed the law of conservation of mass.

Explanation:

What is Cellular Respiration?

Cellular Respiration is the process in which the cells of living things break down the organic compound glucose with oxygen to produce carbon dioxide and water. The overall chemical equation for cellular respiration is:

C6H12O6 + 6O2 → 6CO2 + 6H2O + energy (stored in ATP)

Cellular respiration takes place in the cells of all organisms. It occurs in autotrophs such as plants as well as heterotrophs such as animals.

Q: How is cellular respiration related to breathing?

A: Breathing consists of inhaling and exhaling, and its purpose is to move gases into and out of the body. Oxygen needed for cellular respiration is brought into the body with each inhalation. Carbon dioxide and water vapor produced by cellular respiration are released from the body with each exhalation.

Energy Changes in Cellular Respiration

The reactions of cellular respiration are catabolic reactions. In catabolic reactions, bonds are broken in larger molecules and energy is released. In cellular respiration, bonds are broken in glucose, and this releases the chemical energy that was stored in the glucose bonds. Some of this energy is converted to heat. The rest of the energy is used to form many small molecules of a compound called adenosine triphosphate, or ATP. ATP molecules contain just the right amount of stored chemical energy to power biochemical reactions inside cells.

hope i helped if not feel free to let me know

The male hormone that provides negative feedback for the secretion of FSH is GnRH.

The secretion of gonadotropins is inhibited by testosterone's feedback mechanism. Exogenous testosterone has been shown to reduce gonadotropin production, and early studies confirmed that LH and FSH pulse frequency is increased in hypogonadal men.

These results are consistent with the hypothesis that testosterone has an inhibiting impact on the secretion of GnRH. In the case of negative feedback, the consequence of the reaction will be to reverse or bring about the opposite of what the original stimulus intended.

The process of insulin creation and release can be used to explain the concept of negative feedback. Because sugars are absorbed from the digestive tract into the bloodstream after a meal, the amount of sugar in the blood will be higher after the meal.

Want to know more about male hormones visit the link which is given below;

brainly.com/question/10586410

#SPJ4

Answer:

I'm pretty sure its burning fossil fuels and stuff like that

Answer:

Yes, Yes, YES

Explanation:

AHAHA im doomed

Answer:

I am a furry

Explanation:

1: I love to act cute, but when someone wishes bad stuff upon furries, my words are... not the greatest.

2: I've barely ever done cosplay, but I love it.

3: I thought I was the only one lol. When I was little I would go down on all fours and parkour across the furniture XD

4. I've been a furry for almost a full year now! I'm only going to get my fursuit when I stop growing tho

The decline of mammals in Africa is associated with the unsustainable hunting of animals for their ivory, skins, horns, and other body parts. This is an example of overexploitation.

Overexploitation refers to the unsustainable use or extraction of natural resources beyond their ability to replenish or reproduce, leading to a decline in their population or availability. In the context of wildlife, overexploitation often involves excessive hunting or harvesting of animal species for various purposes, including commercial trade, cultural practices, or personal use.

The unsustainable hunting of mammals in Africa for their valuable body parts, such as ivory, skins, and horns, contributes to the decline of their populations. Some examples of species heavily affected by overexploitation include elephants (for ivory), rhinoceroses (for horns), and various large cats (for their skins).

Overexploitation can disrupt ecological balance, as the targeted species may play important roles in maintaining ecosystems. It can also lead to biodiversity loss, economic impacts, and potential negative consequences for local communities that rely on wildlife resources for their livelihoods.

To address overexploitation, conservation efforts often involve implementing regulations, establishing protected areas, enforcing wildlife trade bans, promoting sustainable practices, and raising awareness about the importance of conservation and responsible resource use.

The unsustainable hunting of mammals in Africa for their valuable body parts, leading to a decline in their populations, is an example of overexploitation. Addressing this issue requires a combination of conservation measures and efforts to promote sustainable practices and raise awareness about the importance of wildlife conservation.

To know more about mammals, visit

#SPJ11

The best descriptions are those that correctly describe the terms or concepts ecology.

The study of living things and their non-living is ecology.

The description of a given term provides information about that term or concept.

The best description of the given terms are as follows:

Therefore, the best descriptions are those that correctly describe the terms or concepts.

Learn more about ecology at: https://brainly.com/question/15971107

#SPJ1

Answer: human trash

Explanation:

Because we leave or trash and it decomposes into harmful air or water

Answer: In the lysogenic cycle, the viral DNA is replicated, and the host cell isn't destroyed.

Answer:

hsbshueueueueheheheheheh