________ animals have a top and bottom surface.

Answer:

Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.

Answer:

Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.

The development of secondary sex characteristics such as the growth of chest hair, deepening of the voice, and muscle growth is primarily influenced by sex hormones.

In males, these traits are primarily driven by the production of androgens, particularly testosterone, which is produced by the testes. Testosterone is responsible for the development and maintenance of male secondary sex characteristics.

The testes are the main structures that produce testosterone. They contain specialized cells called Leydig cells, which produce and release testosterone into the bloodstream. Once in circulation, testosterone exerts its effects on various target tissues throughout the body.

Testosterone stimulates the growth of hair follicles in certain areas of the body, leading to the development of chest hair. It also affects the vocal cords, causing them to lengthen and thicken, resulting in a deeper voice. Furthermore, testosterone promotes muscle growth and development, leading to increased muscle mass and strength.

While other tissues and organs in the body also produce small amounts of testosterone, the testes are the primary source of this hormone in males. The production and release of testosterone from the testes play a crucial role in the development of these secondary sex characteristics.

For more such answers on testosterone

https://brainly.com/question/13061408

#SPJ8

Answer:

A glacier is a huge mass of ice that moves very slowly downhill along the landscape.

Explanation:

I am currently learning about glacier in science on E d g e n u i t y.

The percentage loss of the potato's mass is 11.111 % when rounded-off to the nearest hundredth of a percent.

The potato core weighing 1.8 g is submerged in sugar water and after removing it from the water, its mass becomes 1.6g. Therefore, the percentage loss of the potato's mass can be determined by the following calculation:-

(1.8 - 1.6) / 1.8 x 100 = 0.2 / 1.8 x 100 = 11.111 % (rounded-off to the nearest  hundredth of a percent)

This loss in potato's mass happens due to exosmosis through which  water escapes from the potato into the sugar water.      

To learn more about mass here  

https://brainly.com/question/19694949

#SPJ1        

Explanation:

sssssszxxdt frfedddsssswwd

Answer:

\(females \: \: \: \: \: \\ it \: is \: your \: right \: answer \: \)

The other fuel source used by the anaerobic energy system is adenosine triphosphate (ATP). ATP is a molecule that is found in all cells, and is a source of energy for the body.

ATP is broken down during intense exercise to provide energy for muscle contraction. The breakdown of ATP produces adenosine diphosphate (ADP) which is then recycled back into ATP. This process is known as the ATP-PCr system, which is the most important fuel source for anaerobic activities lasting up to 10 seconds.

During this time, ATP is broken down and replenished quickly, allowing the body to keep up with the demands of intense exercise. After 10 seconds, the body begins to rely on the breakdown of glycogen to produce energy. This process is known as the glycolytic system and is the second fuel source of the anaerobic energy system.

know more about ATP here

https://brainly.com/question/174043#

#SPJ11

A model that represents a process occurring in a cell is known as a cellular model.

It is a representation of a biological cell, and can be used to study various cellular processes and structures.

Cellular models are commonly used in biological research to gain a better understanding of how cells work and how they are affected by different factors.

There are several different types of cellular models, including cell culture models, organoid models, and tissue engineering models.

Each type of model has its own unique advantages and disadvantages, and the choice of model depends on the specific research question being addressed.

Overall, cellular models are an important tool for understanding the complex processes that occur within cells and for developing new treatments for diseases that affect cellular function.

To know more about cellular model refer to-

brainly.com/question/11548895#
#SPJ11

Answer:

1. The biotic factors seen in the photo include various species of cacti, shrubs, and succulents.

2. The abiotic factors detected in the photo include light, temperature, soil, and water.

3. The biotic factors interact with abiotic factors in many ways. For example, cacti and other desert plants need light, water, and soil to survive, while their leaves and stems help to regulate temperature and prevent water loss. In addition, the presence of plants can alter the soil composition by adding organic matter and nitrogen, both of which are important for sustaining life in the desert.

Correct option is D, Epinephrine, or adrenaline, is a hormone produced by the adrenal gland. It acts on target cells by binding to adrenergic receptors present on the cell surface.

Upon binding, epinephrine triggers a cascade of intracellular signaling events through a second-messenger system.

Second messengers are small molecules that relay signals from cell surface receptors to intracellular proteins. They facilitate the transmission of signals within the cell, ensuring rapid and efficient communication.

Two well-known second-messenger systems are the cyclic AMP (cAMP) system and the phosphatidylinositol bisphosphate system.

In the case of epinephrine, it binds to adrenergic receptors on target cells, activating the G protein-linked receptor system. This activation leads to the production of cyclic AMP as a second messenger molecule.

Cyclic AMP then initiates various intracellular responses, such as the breakdown of glycogen and the release of glucose into the bloodstream.

Therefore, epinephrine acts on target cells via a second-messenger system, specifically the cAMP system.

know more about Epinephrine here: brainly.com/question/22817529

#SPJ11

Answer:

Scientific names are essential in naming organisms. If you named a new species "Fluffy", no one would really know how to identify it. With scientific naming, scientists can use the components of the name to know what it is.

The option that best describes an ovary is that is produces progesterone.

The ovary is part of the female reproductive system and they are two oval-shaped organs that lie to the upper right and left of the uterus.

The three main functions of the ovary are

The hormones secreted by the ovary are the female hormones oestrogen and progesterone.

Progesterone functions mainly to regulate the condition of the inner lining (endometrium) of the uterus.

Therefore, the option that best describes an ovary is that is produces progesterone.

Learn more about progesterone here:

https://brainly.com/question/794704

Answer:

A. it produces progesterone.

Explanation:

i took the quiz!

The tubuloglomerular feedback mechanism will restore normal pressure in her glomerulus by lowering glomerular filtrate rate in order to remove excess salts.

The glomerular filtration rate (GFR) is the amoubtbof blood that passes through the glomerulus for filtration per minute.

A glomerular filtration rate (GFR) of 60 or higher is normal

Since Jasmine has high blood pressure and an increased glomerular filtration rate (GFR), the tubuloglomerular feedback mechanism will restore normal pressure in her glomerulus by lowering glomerular filtrate rate in order to remove excess salts.

Learn more about glomerular filtration at: https://brainly.com/question/9789090

Hello. You forgot to mention that the article you are in and the research refer to the relationship between eukaryotes and archeas.

Answer:

Research has shown that not only archaea was related to the creation of eukaryotic cells, but bacteria were also involved.

Explanation:

For many years it was believed that archaea and eukaryotic cells were genetically related due to an evolutionary process that involved the generation of eukaryotic cells through the evolution of archaea. At the same time, scientists believed that archaea were more closely linked to eukaryotic cells than bacteria.

However, the research shown in the article to which the question refers showed that this thought was incorrect. This is because the research says that bacteria are also closely related to eukaryotic cells, which means that together with archaea, bacteria were part of the evolutionary process that formed these cells.

Answer:

Heredity

Explanation:

This is because heredity is the sum all biological processes and it is the process where traits or characteristics are inherited or passed down to offsprings from their parents. It refers to sum of all traits that the offsprings have inherited from their parents and these make the offspring to have resemblance of the parent

Answer:

An actual computer virus is a malicious software, often known as malware, that can harm a computer and its users.

Virus hoaxes are false or misleading information about viruses that circulate through various communication channels.

They can be more dangerous than actual viruses due to their ability to spread quickly, cause panic, and undermine effective public health measures.

Virus hoaxes are deceptive messages or claims that often exaggerate the severity or impact of a particular virus. They can be spread through social media, email chains, or word of mouth. These hoaxes may include misinformation about symptoms, transmission methods, or false remedies, leading people to take ineffective or even harmful actions.

What makes virus hoaxes particularly dangerous is their potential to create panic and misinformation at a rapid pace. The viral nature of social media and other communication platforms allows these hoaxes to reach a wide audience within a short period. As a result, people may make decisions based on false information, such as avoiding necessary medical treatment, taking unnecessary precautions, or spreading fear and misinformation to others.

Moreover, virus hoaxes can undermine public health efforts by diverting attention and resources from legitimate preventive measures. They can erode trust in healthcare authorities and disrupt the dissemination of accurate information, making it harder for individuals to make informed decisions and follow recommended guidelines.

This can have severe consequences, especially during outbreaks or pandemics, where timely and accurate information is crucial for public safety. Therefore, it is essential to verify the credibility of information and rely on trusted sources to mitigate the risks associated with virus hoaxes.

Learn more about viruses :

https://brainly.com/question/29156932

#SPJ11

Answer:

Cell

Explanation:

More efficient a rod with the same volume as a cocci clearly has a higher S/V ratio because it is more spread out (longer). so a rod has greater nutrient flux than a cocci of the same size.

Escherichia coli is a typical gram-negative rod bacterium. Its dimensions are those of a cylinder 1.0-2.0 micrometers long, with radius about 0.5 micrometers. Lactobacillus is a genus of gram-positive bacteria. Lactobacillus promotes the formation of curd from milk.

Rod-like bacteria maintain their cylindrical shapes with remarkable precision during growth. However, they are also capable to adapt their shapes to external forces and constraints, for example by growing into narrow or curved confinements.

To learn more about confinements, click here.

https://brainly.com/question/11194584

#SPJ4

Organic molecules associated with cell membranes can be involved in cell-to-cell recognition integral membrane proteins, carbohydrates attached to lipids or proteins in membrane.

The plasma membrane is made up of lipids and proteins, much like every other cellular membrane. The phospholipid bilayer, which creates a permanent barrier between two aqueous compartments, is the membrane's basic structural component.

These compartments are the inside and outside of the cell in the case of the plasma membrane. The particular tasks of the plasma membrane, such as the selective transport of chemicals and cell-cell recognition, are carried out by proteins embedded inside the phospholipid bilayer.

While proteins are in charge of carrying out particular membrane tasks, lipids are the essential structural components of membranes. The majority of plasma membranes are composed of around 50% lipid and 50% protein by weight, with glycolipid and glycoprotein carbohydrate components making up 5–10% of the membrane mass.

Because proteins are substantially bigger than lipids, this ratio translates to approximately one protein molecule for every 50 to 100 lipid molecules.

Learn more about  cell membranes at  https://brainly.com/question/734740

#SPJ4

Answer:

True

Explanation:

Not only carbohydrates, as was once thought, but also amino acids, proteins, lipids (or fats), pigments, and other organic components of green tissues are synthesized during photosynthesis.

The cerebrum is the part of the brain that is the site of intelligence, learning, and judgment, the correct answer is (c).

The cerebrum is the largest and most developed part of the brain, encompassing two cerebral hemispheres. It is divided into lobes, each associated with specific functions. The frontal lobe, located in the front of the brain, plays a crucial role in executive functions such as reasoning, problem-solving, and decision-making.

The parietal lobe is involved in sensory perception and integration of information. The temporal lobe contributes to memory formation and auditory processing. Lastly, the occipital lobe is responsible for visual processing. Collectively, these lobes and their intricate connections within the cerebrum enable the complex cognitive abilities that characterize intelligence, learning, and judgment, the correct answer is (c).

To learn more about cerebrum follow the link:

https://brainly.com/question/33442865

#SPJ4

The difference between the Driesch experiment (where complete animals were formed) and the result above (where blastomeres plus skeleton-producing cells were produced) could be due to the fact that the Driesch experiment involved whole embryos, while the result above only involved a single blastomere.

This means that the Driesch experiment had access to genetic and epigenetic information from the whole embryo, which was not present in the single blastomere used in the result above. Additionally, the Driesch experiment was conducted in a laboratory setting, while the result above was conducted in vivo. This could also account for the differences in the results.

Learn more about Driesch experiment

https://brainly.com/question/13620611

#SPJ4

Skin nerve impulses initiated in mechanoreceptors are transmitted along type B fiber

These detect mechanical deformation e.g. touch or pressure within the skin; stretch receptors in muscles. * mechanoreceptor cells answer a change in the external stimulus (pressure, temperature, etc) by producing voltage pulses across neurons (i.e. generator potentials)

Mechanoreceptors are sensory neurons or peripheral afferents located within joint capsular tissues, ligaments, tendons, muscle, and skin. Four primary sorts of afferent mechanoreceptors are commonly present in noncontractile capsular and ligamentous structures in human joints: types I, II, III, and IV

First-order neurons receive impulses from skin and proprioceptors and send them to the medulla spinalis . They then synapse with second-order neurons. Second-order neurons sleep in the dorsal horn and send impulses to the thalamus and cerebellum

Learn more about skin nerve :

brainly.com/question/13869017

#SPJ4

Answer:

Lipids are composed of carbon, hydrogen and oxygen atoms, and in some cases contain phosphorus, nitrogen, sulfur and other elements.

Lipids are primarily composed of carbon, hydrogen, and oxygen. They are also known as fats, oils, and waxes. Lipids are essential for the structure and function of cells, and they provide energy for the body.

Lipids are important for the body in a number of ways. They help to:

Store energy: Lipids are a concentrated form of energy, and they can provide the body with energy when it is needed.

Form cell membranes: Lipids are the main component of cell membranes, which are the outer layer of cells. Cell membranes protect cells and help to control what enters and leaves the cells.

Produce hormones: Lipids are used to produce some hormones, such as testosterone and estrogen.

Absorb fat-soluble vitamins: Lipids help to absorb fat-soluble vitamins, such as vitamins A, D, E, and K.

Lipids are an essential part of the diet, and they should be included in a balanced diet. However, it is important to eat healthy fats, such as those found in avocados, nuts, and seeds. These fats are good for the heart and can help to reduce the risk of heart disease.

To know more about lipids:

https://brainly.com/question/1704581

#SPJ3

Answer:

ground

Explanation:

Based on the information provided the number of CFUs in the original sample was 53,000,000 or 53 million.

CFU stands for Colony Forming Units, this term is used in microbiology to refer to the unit of micro bacterial cells that is considered to be a colony.

As colonies are usually difficult to count, it is common to use dilution techniques to make it easier. The dilution rate should be considered when calculating the original number of colonies. Based on this, let's find out the number:

53 visible colonies in a dilution of 1/1,000,000

53 x 1,000,000 = 53 million

Learn more about CFU in https://brainly.com/question/29848082

#SPJ1

Answer:

The answer is B. Area A has a larger capacity than area B.

Explanation:

The other answers would result in Area B having a bigger population.