Which describes the reproduction of plants?

what are the options though....

A pancreatic cell engaged in the production of digestive enzymes

should be the answer ur looking for

Cells that produce and secrete proteins, like liver and pancreatic cells, have a high concentration of rough endoplasmic reticulum. This is due to the role of the rough ER in protein modification and secretion. The smooth endoplasmic reticulum, lacking ribosomes, has different functions.

The cells that would most likely have the greatest concentration of densely packed rough endoplasmic reticulum (RER) are those involved in producing and secreting proteins. This is because the RER's key function is to modify proteins for secretion from the cell. The ribosomes studded on the RER surface give it a 'rough' appearance and are sites of protein synthesis.

Two types of cells that are characteristic of having an abundance of RER are liver cells and pancreatic cells. For instance, liver cells are known to produce various proteins involved in numerous bodily functions, while pancreatic cells synthesize and secrete digestive enzymes.

On the other hand, the smooth endoplasmic reticulum (SER), which lacks ribosomes, is involved in different functions - such as the synthesis of carbohydrates, lipids, and steroid hormones, and the detoxification of various substances.

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Answer:

Hand Washing is one of the most important practices when it comes to avoid spreading germs due it helps removing microorganisms and potential pathogens that could be left on after regular activities which would alter the results of lab experiments, and also could easily remain after such lab experiments which could lead to the propagation of bacteria or harmful chemicals.

Explanation:

In a microbiology lab, always start and end with handwashing, wearing personal protective equipment, implementing disinfection protocols, and maintaining a sterile work environment. It's crucial to properly dispose of biological waste and routinely check the cleanliness of the lab.

In a microbiology lab, certain safety practices should always be undertaken at the beginning and end of a lab session, including handwashing, wearing personal protective equipment, and implementing disinfection protocols. Handwashing is critical as per the CDC's recommendations, it should be done before and after the lab procedures, specifically in clinical or similar settings. Not only handwashing, but the use of personal protective equipment such as lab coats, face protection, and gloves is also mandatory to prevent potential contamination from microbes.

Furthermore, the laboratory surroundings should also be considered. Special protocols should be implemented to limit the risk of transmission such as the use of chemical disinfectant sprays upon entry and exit. Any contaminated specimens and equipment should be cleaned and soaked in basic solutions. Contaminated waste should be appropriately disposed of, often by incineration or autoclaving.

At the end of the lab, it’s recommended to check the effectiveness of these protocols by swabbing surfaces before and after use, ensuring that the sterile field has been maintained during lab operations. All these practices are crucial for the safety of both the personnel and the surrounding community.

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your answer is correct                              

Both WOULD be equally harmful. Primary pollutants are pollutants that are directly emitted from a pollution source. Secondary pollutants are created as a result of interaction in the atmosphere of primary pollutants. Primary pollutants can be as harmful as secondary pollutants. Therefore your answer is correct.

Hello

The correct answer is A. position

Hope this helps

Plz mark me as Brainliest

Answer:

D. reference point

Explanation:

A  reference point defined according to space-time coordinates allows to determine the position of another point in space. It allows measuring the distance at which the object is. These points are assumed fixed in the Universe.

Answer:

continuous spectrum

Explanation:

The continuous spectrum, also called thermal or blackbody, is emitted by any object that radiates heat (that is, having a temperature other than absolute zero = -273 degrees Celsius). When its light is scattered, a continuous band appears with some radiation at all wavelengths. For example, when sunlight passes through a prism, its light is scattered in the seven colors of the rainbow (where each color is a different wavelength).

The Ptolemaic model of the solar system was geocentric, meaning that it was the earth that was at the center of the universe — and everything revolved around it. The main difference between it and other models was that they were heliocentric, where it was the sun at the center of the solar system with the planets revolving around it.

Hope this helps!

Answer: The Ptolemaic model differs from other proposed solar system models because the planets have epicycles.

Explanation: Ptolemaic model believed that the earth is at the centre with the moon, sun, stars and other planets rotating or revolving around the earth. This model assumed that the planet moved in a circle. Thus, it is a model of the structure of the solar system.

Epicycles are orbits rotating on another circular orbit.

Answer:

The correct answer will be-

1. The presence of cell wall

2. The presence of chloroplast

3. A large vacuole

Explanation:

Plant cell posses three unique structural feature which includes the additional cell wall, an organelle containing a green pigment called chloroplast and  

If a person has to identify the plant cell in a microscope then the person should look at these three mentioned structures-the additional cell wall, a double membrane structure and a large vacuole.

Thus, cell wall, chloroplast and the large vacuole are the correct answer.

Answer:

C. surface tension

Explanation:

Surface tension refers to the property of water or any liquid to enhance its surface area by a certain amount. It is a very important property of water due to which it resists  any external force due to cohesive nature of water molecules.

How surface tension help needle to float on water:

It is a property of water which enhance the attractive force between needle and liquid.

The molecules on the surface of water do not have any force acting from upwards because that side is exposed to atmosphere. This causes a downward force but no upward force on upper surface,so the molecule of surface tend to stay together by forming a thin sheet or imaginary layer.

If weight of any material cannot break surface tension it will float on water surface. This is what happens with needle.Therefore, when needle is placed on water surface with alot of care in horizontal direction, it will not break surface tension and hence will float on water. Please see attached image for better understanding.

Hope it clears up the picture!

decomposers The principal forms of decomposer are bacteria and fungi.

Decomposers act as recyclers in many biogeochemical cycles. Decomposition occurs when a compound is broken down into simpler compounds or into its constituent elements. This is achieved primarily by decomposers, organisms that obtain their energy from the chemical breakdown of dead organisms as well as from animal and plant waste products.

Final answer:

The recycling of nitrogen through Earth's ecosystem heavily relies on decomposers, as they break down organic matter and return nitrogen to the soil in a usable form for plants.

Explanation:

The recycling of nitrogen through Earth's spheres relies heavily on a specific type of organism. These organisms are decomposers. Decomposers break down organic matter, which includes the bodies and wastes of organisms, recycling the nitrogen contained within them back into the ecosystem in a form that plants can use. As part of the nitrogen cycle, these decomposers play a crucial role, alongside other processes such as nitrogen fixation by bacteria and lightning, to convert nitrogen into a usable form for living organisms.

Answer:-  A material is considered biodegradable if it can be broken down by biological processes.

Explanation:-

1. There are many living organisms such as bacteria, fungi and other microbes that feed on organic matter and convert them into simpler forms.

2. Due to the enzymes released by such microbes, all the materials such as food refuse, tree leaves, grasses etc. are considered to be biodegradable as they are capable of being broken down by them.

3. The materials that cannot be broken down by such living organisms are considered to be non biodegradable.

4. The non biodegradable substance produce a problem in the environment as they persist for a long period of time and also form a major source of pollution for soil and water. Further, they may also cause harm to other living organisms present in the environment.

5. Example of a  non  biodegradable substance is plastic.

The answer is:

D. germline mutation

Hope it helps!

Answer:

D. Germline Mutation

Explanation:

It is Germline because Germline usually occurs in the Gametes. It is not Somatic because somatic could be a disease like cancer.  

The rest is eliminated as heat.

Answer:

D

Explanation:

Eliminated as heat

the answer is demography

Answer:

Asexual reproduction is a method of reproduction for most of single cell organisms including yeast, in this type of reproduction a single parent generates new organism and new one is exact copy of parent both physically and genetically.

In yeast asexual reproduction is carried out by budding, its an asymmetric type of division in which first a protruding body is produced on its surface, it fully grows and forms bud later. When full grown, buds detach from the parent cell and grows independently. Instead of single bud, a chain of buds could also be produced at the surface of yeast.

Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit. its kinda like how humans work i guess.

Answer:

natural selection

Explanation:

There are many processes through which evolution can occur like migration, mutation, genetic drift and natural selection. However, one of the most important triggering factor for evolution is natural selection .

What is natural selection:

In very simple words it can be considered as the process through which organisms that are better able to adapt to their surrounding environmental conditions survive and thrive, thereby they reproduce and transfer their characteristics in offspring, but those that have less ability to adapt to environmental conditions, tend to become less in number and ultimately eliminate.

How natural selection leads to evolution:

Now to understand how natural selection leads to evolution, we will take example of a population of beetles, some are brown and some are green in color. Now environment has limited capacity and it cannot support the survival of each and every population.

Here what happens is the green beetles are vulnerable to attack by birds because their color is visible to birds but brown beetles are less visible. What will happen that green beetles will be all eaten by birds and brown will keep surviving.

Now years later, beetles will have only brown color because evolution occurred and only fittest ones survive.

This is how natural selection leads to evolution.

Hope it helps!

We are well aware that there are two stages of photosynthesis:

Calvin cycle or light-independent reactions:

This comprise the process during which carbon dioxide enters into the leaves of plants and passes through series of steps to form sugar or food. This process depends on the supply of ATP, (the ATP that is formed previously during light dependent reactions).

Now there are three stages of Calvin cycle:

During the process of carbon fixation CO2 combines with a 5-carbon compound called RuBP or ribulose-1,5-bisphosphate which results in the synthesis of a 6-carbon compound that splits up in to 2 three carbon compounds called phosphoglyceric acid (3-PGA).

Here out focus will be the process of Reduction.

Reduction is the second stage of Calvin cycle during which phosphoglyceric acid (3-PGA) is converted to glyceraldehyde-3-phosphate (G3P) that is a sugar. During the process of reduction, energy in the form of ATP and NADPH  are used for the conversion of 3-PGA to G3P. As 3-PGA is reduced to G3P, therefore this process is known as reduction.

After reduction, a series of reactions occur that lead to the synthesis of glucose but since focus of our question was reduction, so you can see more details of the process in attached figure.

Hope it helps!

The food company’s questions are best answered by a combination of survey and scientific tools. To answer questions such as ‘which cereal's box is the best color?’ and ‘which cereal tastes the best to every eater?’ as well as ‘which cereal would sell the most boxes?’, the food company would need to conduct a survey to a group of people which resembles their target group most. The result would help them in answering those questions.

However, to answer ‘Which cereal contains the most sugar?’, the food company would need to use scientific tools to measure to sugar content in the cereal. This is the answer.

Answer: Which cereal contains the most sugar?

Explanation:

A scientific question can be define as the question which can only be answered by using experimentation procedures.

In the given condition, Which cereal contains the most sugar? The food company can conduct experimental trials to know the content of sugar. Hence, it is a scientific question.

Answer:

Vitamins

Explanation:

Vitamins are the organic compounds that are needed by body in small amounts. Most of the vitamins are not synthesized in human body and should be supplemented with food. Vitamins serve as coenzymes or part of coenzyme which are required for the activity of respective enzymes. Hence, vitamins an important part in helping perform cellular reactions.

Final answer:

During dry summers, microbial enzymes are less active due to lower soil moisture, leading to reduced rates of nitrate formation as microbial activities like denitrification are slowed down.

Explanation:

The rate of nitrate formation in soil is expected to be lowest during dry summers because microbial enzymes are less active with low moisture levels. Microorganisms, including those involved in the nitrogen cycle, require a certain level of water activity (aw) to grow and perform metabolic functions such as denitrification. Denitrification is a process that reduces nitrate (NO3) to produce nitrogen gases, including nitrous oxide (N2O), which can be a greenhouse gas. However, during dry conditions, soil water content drops, limiting the microbial activity and thus the rate of nitrate transformation.

Soil moisture is crucial for microbial activity and the chemical reactions they facilitate. Bacteria generally require high water activity levels to function effectively. In contrast, fungi can tolerate a broader range of moisture levels. With less water available in the soil during dry periods, bacteria that contribute to denitrification and nitrate respiration are inhibited, leading to lower rates of nitrate formation in the soil. The proper balance of carbon, nitrogen, and moisture is essential for the decomposition process carried out by these soil organisms, which affects nutrient availability for plants.

Answer:

Their distance from the sun

Explanation:

Temperatures on gas giants are low because they are at a great distance from the sun and do not endure as much energy as terrestrial planets. Besides, of all the gas giants, Jupiter is closest to the sun; in contrast to Neptune, which is the furthest from the sun and has the longest period of revolution.  

The autonomic nervous system helps in regulating some processes which are without a person’s conscious effort. Some of these processes are breathing rate, blood pressure. The autonomic nervous system is divided into two parts- sympathetic and parasympathetic. In general, the sympathetic part prepares the body for an emergency situations such as sight or flight, whereas, the parasympathetic controls body process during normal situations.  

Sympathetic part is at work in these situations:

Parasympathetic part is at work in these situations:

Answer:

in each section put in lef to right

Explanation:

Answer: Protons, Neutrons and Electrons

Explanation: The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge).

B. Chloroplast

A chloroplast is an organelle found in the cells of green plants, it basically turns the plants green, animals do not have chloroplasts.

Answer:

chloroplasts

Explanation:

Answer:

1: species that are adapted to live in equilibrium at carrying capacity

K-selected

There are two types of specie based on the strategies they use for the reproduction, growth and survival. K and r selected species. The alphabet K simply indicate the carrying capacity or the number of individuals that can be supported by the habitat and available resources.

Some important traits of K selected organisms include: Low reproductive rate,Low offspring mortality, Strong competitive ability, Good parental care,Limited offspring dispersal and Strong competitive ability.

2. population growth that reaches equilibrium and carrying capacity population

logistic growth

Logistic growth is the type of growth pattern in which when the population reaches carrying capacity the growth rate of the population decreases. Carrying capacity is the highest number of organisms of a population that the environment can support.

3. death rate

Mortality or mortality rate is typically expressed in terms of deaths per 1,000 individuals per year; so, a mortality rate of 9.5 (out of 1,000) in a population of 1,000 would mean 9.5 deaths per year in that entire population, or 0.95% out of the total.

4. birth rate

natality

Birth rate or natality is simply indicative of number of individuals born per thousand of population per year.

5. a group of interacting individuals of the same species within the same geographic area

population

For example, a population of sparrows living on a certain area make a population of that area.

6. the number of organisms living in a particular area

population density

Population density is indicative of the number of population per unit area. For example: If there are 2000 human population living in an area of 25 sq km, the population density will be population divided by area, that will be equal to 80.

Quality means the standard of something as measured against other things of a similar kind, while quantity means the amount of something.

Qualitative properties are descriptions of qualities (like color or texture) that cannot be measured with numbers, while quantitative properties are measurable characteristics expressed numerically, often with units (like count or measurements).

In science, a distinction is made between qualitative and quantitative properties. Qualitative properties describe characteristics that cannot be measured with numbers but are observed as qualities, such as color, texture, or taste. For example, descriptions such as sulfur being yellow, a book being heavy, or a statue being beautiful are all qualitative in nature.

Quantitative properties, on the other hand, refer to characteristics that can be measured and expressed numerically, often with units. Examples include counting or measuring to determine that there are 25 students in a class, a book has 650 pages, or an object has a velocity of 66 miles per hour. Quantitative measurements are particularly useful in scientific research as they provide precise and analyzable data.

Answer by YourHope:

Hi! :)

The nonpoisonous eastern scarlet snake has colored bands that closely resemble the poisonous coral snake. This selective adaptation provides the eastern scarlet snake with..?

Increased feeding opportunities!

:)

The colored bands on the nonpoisonous eastern scarlet snake closely resemble those on the poisonous coral snake. The eastern scarlet snake benefits from this selective adaptation to avoid predation.

Predation is a biological interaction in which one organism, the predator, kills and consumes another, the prey.

The colored bands on the nonpoisonous eastern scarlet snake closely resemble those on the poisonous coral snake.

The eastern scarlet snake benefits from this selective adaptation to avoid predation.

Thus, the answer is to avoid predation.

For more details regarding predation, visit:

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They release energy

They are caused by forces

They can lead to massive damage

I think these are the correct answers let me know if I am correct or not.

The shaking of the Earth's surface, taking place due to the sudden discharge of energy in the lithosphere of the Earth, which leads to formation of seismic waves is known as an earthquake. The earthquakes are generally caused when the rocks present underneath gets break abruptly along a fault.  

This sudden discharge of energy makes the seismic waves resulting in shaking of the ground. When the two plates or the two rocks gets rubbed against each other, they slightly stick with each other. The sliding does not take place smoothly, and after some time, the rocks get dissociate, resulting in an earthquake. The earthquakes can result in massive destruction depending upon its intensity.  

Hence, the correct options are they release energy, they are caused by forces, and they can lead to massive damage.