Certain hormones , such as follicle stimulating hormone (FSH) and luteinsing hormone (LH) affect the reproductive organs of both males and females . Other hormones, known as _______, have significantly higher concentrations in one gender rather than the other. ______ and ______ are the most critical of these, playing a key role in the development of reproductive systems and gender-specific traits. High concentrations of these hormones in the opposite gender offten result in significant complications. _______ stimulates cells to produce testosterone in males, while in females, this hormone signals an increase in ovulation hormones to prepare for pregnancy. ______ stimulates the production of sperm in males, but signals growth of the ovum in females.

FSH, LH, Androgen's, Estrogen, Prolactin, testosterone

Answer:

Hi I think it is A. I hope it is correct :) please do brainliest :)

Explanation:

The option that is not commonly cited as a reason why the areas of the brain that become active in response to emotional stimuli may not be specifically relevant to emotion is: "Advancements in brain imaging technologies are making them more powerful and sensitive, but also more challenging to utilize."

Although it is true that brain imaging technologies are becoming more advanced, this statement does not directly address whether the brain areas that light up during emotional stimuli are genuinely related to emotion.

The other options provided are typically cited as reasons:

Brain imaging scans can alter the brain's response to stimuli because of the "observer effect," which means that measuring something can modify what is being measured.

Merely because a particular brain region is active during an emotional response, it does not necessarily imply that it will consistently result in that emotion because brain activity is complex and interconnected.

Studies that concentrate on specific brain regions may overlook important context or interactions that contribute to the overall emotional response, as the brain is highly interconnected.

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Answer:

DNA: A = T and T = A. C = G and G = C

T A C G A T T G G A C G

mRNA: A = T and T = U . C = G and G = C

T U C G U T T G G U C G

Amino Acids:

A = Adenine

T = Thymine

G = Guanine

C = Cytosine

U = Uracil

The flaw in Florence Nightingale's reasoning regarding the air test is that she did not have an understanding of germ theory, which led to miasma being considered correct.

Florence Nightingale, a British nurse, was a strong advocate of the idea that the quality of air played an important role in people's health and the spread of diseases. She suggested that by improving air quality, the spread of diseases would be reduced and this would be achieved by conducting the air test, which involves opening a window to improve ventilation. However, Nightingale was not familiar with germ theory, which explains that diseases are caused by microorganisms, and that improving air quality alone is not enough to prevent the spread of diseases.

Miasma theory, on the other hand, proposed that diseases were caused by bad odors or miasma that came from decaying organic matter. This theory was widely accepted at the time because it was observable that foul-smelling places were often associated with illness. The flaw in Nightingale's reasoning regarding the air test is that she did not have an understanding of germ theory, which led to miasma being considered correct.

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A. an enzyme substrate complex.

Enzymes work by binding to specific substrates to form enzyme-substrate complexes, which then catalyze the reaction by lowering the activation energy required for the reaction to occur. Enzymes do not directly provide energy for the reaction or increase the overall energy of the reaction. Instead, they use various mechanisms such as changing the orientation of the substrates, altering the chemical environment, or inducing a conformational change to strain the bonds and facilitate the formation of the transition state, which lowers the activation energy and speeds up the reaction. This mechanism is a key feature of enzymatic catalysis and allows enzymes to accelerate reactions that would otherwise occur too slowly to be useful.

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A. The sequence generator or multiplier can be calculated by adding 1 to the annual return rate expressed as a decimal.

In this case, the sequence generator would be 1 + 0.12 = 1.12. B. The equation to find the value of the investment after x years can be written as y = $100 * (1.12)^x, where y represents the value of the investment after x years. C. To find the value of the investment after 4 years, we can substitute x = 4 into the equation: y = $100 * (1.12)^4 = $100 * 1.5735 = $157.35 Therefore, the value of the investment after 4 years would be $157.35.

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Answer: conserve / conservation

Meaning of conserve is to keep and protect something from damage, change, or waste:

Answer:

To keep and protect something from damage, change, or waste

Explanation:

conserve

The study of mitosis affected scientists' knowledge of cancer as it led to an understanding of how cancer cells divide so rapidly.

Since the regular "checkpoints" that control mitosis are disregarded or overturned by the cancer cell, cancer is fundamentally a mitotic illness. Cancer development starts with the conversion of a single healthy cell into a cancer cell.

The resting phase of the cell cycle is followed by active growth stages and mitosis (division). Chemotherapy's capacity to stop cell division is what determines its capacity to destroy cancer cells. Cancer treatments typically work by destroying the RNA or DNA that instructs the cell how to divide and copy itself.

A group of scientists have discovered a novel new target for combating cancer by delving deeply into the atomic level interactions between particular proteins during cell division, or mitosis.

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Answer:

Explanation:

Homeostasis works by creating the opposite effect in order to counteract a change in the body. One of these effects is blood coagulation. This means that blood is thickened and hardened in order to stop blood flow when there is a cut, open wound, or internal bleeding. Hemophilia on the other hand completely prevents blood from coagulating which makes the homeostasis process obsolete. Without blood coagulation, an individual can bleed to death from any small cut which is usually non-life-threatening.

Answer:

1. The liquids that will cause the largest decrease in mass is the concentrated sodium chloride solution

2. The reason why the potato stick with the lowest mass was flaccid or soft and floppy because the cytoplasm of the cells has lost considerable amount of water to the concentrated solution of sodium chloride such that the once filled cell are now partially evacuated and having less turgor pressure

3. With the boiled potato sticks, the cells are dead and the (semi-permeable) membranes selectivity is no longer active, as such there is no preferential movement of water molecules between the salt solution and the boiled potatoes and no overall change is mass as the potatoes have become less responsive to changes in the surrounding solution.

Explanation:

Osmosis is the region why they lose their water in the concentrated solution.

1. The largest decrease in mass will be caused by the concentrated NaCl solution.

2.  Potato stick with the lowest mass was soft and floppy because of low turgur pressure.

3. The cells of boiled potato sticks lost their cell membrane, hence there is no change in mass.

Osmosis:

It is a process by which the solvent molecules move from its higher to its lower concentration through a semipermeable membrane.

Potato sticks are made up of cells. Cells contains cell membrane which act as a semipermeable membrane.  

Therefore, osmosis is the region why they lose their water in the concentrated solution.

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Answer:

from areas of high pressure to areas of low pressure

Explanation:

Air flows from areas of high pressure to areas of low pressure due to pressure differences.

Air molecules naturally move from an area of higher pressure to an area of lower pressure in an attempt to equalize the pressure.

This movement of air creates wind or air currents.

The air moves in the direction where the pressure gradient is steepest, which is typically from areas of high pressure to areas of low pressure.

This movement is known as the flow of air from high pressure to low pressure.

Hope this helps!

Answer:

from areas of high pressure to areas of low pressure

Explanation:

The moving force of air flows from areas of high pressure to areas of low pressure. Air moves from high-pressure zones to low-pressure zones because of the difference in air pressure. This movement of air from high to low pressure is what creates wind. The greater the difference in pressure between two areas, the stronger the wind will be. So, the correct answer is "from areas of high pressure to areas of low pressure".

B. Gut bacteria can infect fish.

Answer:

The correct answer is : by secreting a thick cell wall which encloses many amoebae in it to prevent loss of water, forming a cyst until favorable conditions emerge

Explanation:

Amoeba protects itself in unfavorable conditions such as drought or less water or food availability. Amoeba takes back all its pseudopodia and secretes a thick cell wall which form three layer hard covering arout amoeba body.

This hard covering is known as the cyst  and this process known as the encystation. Amoeba remain in this cyst form until favorable conditions emerge.

Thus, the correct answer would be - by secreting a thick cell wall which encloses many amoebae in it to prevent loss of water, forming a cyst until favorable conditions emerge

Answer: sucrose is not a reducing sugar

Explanation: Benedict solution is used to test for the presence of reducing sugar. Sucrose is a non-reducing sugar unlike maltose and lactose which are reducing sugars thus there is no color change when Benedict solution is added to it.

Mario in lab table A needs tongs (tweezers). It shows a lack of planning.

Mario's actions of throwing the tweezers are unsafe and can even hurt someone.Just throwing or throwing the tweezers can lead to various unwanted incidents, so Mario carefully throws the tweezers into Mario. had to pass. This is against laboratory laws as safety is the number one priority when working in a laboratory.

Wash hands after handling hazardous materials, before and after eating, and before leaving the laboratory. Keep personal items separate from lab work. This prevents the spread of hazardous reagents and blocks potential exposure routes.

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Plant hormones serve as chemical messengers between cells and tissues. Auxin is a plant hormone that causes the cells on the shady side of a plant shoot to elongate. The response enabled by auxin is known a H. phototropism

Phototropism is a crucial process that enables plants to optimize their exposure to sunlight, which in turn, promotes photosynthesis and overall growth. This is different from geotropism (option F), which is the response of a plant to gravity, transpiration (option G), which is the process of water movement through a plant and its evaporation, and photosynthesis (option J), which is the process by which plants convert light energy into chemical energy to fuel their growth.

Auxin is a plant hormone that plays a vital role in the growth and development of plants. Specifically, auxin causes the cells on the shady side of a plant shoot to elongate, allowing the plant to grow towards the light source. In summary, auxin is a key plant hormone that facilitates phototropism, allowing plants to grow towards light and maximize their exposure for optimal growth.

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The smaller molecules that are covalently bonded together to form a large polymer such as DNA are called nucleotides. Nucleotides are the monomers of nucleic acids.

Nucleotides are the building blocks or monomers of nucleic acids, which are the large polymers that make up genetic material such as DNA and RNA. Nucleic acids are critical molecules that store and transmit genetic information in living organisms.

Nucleotides are small organic molecules that consist of three main components: a nitrogenous base, a sugar molecule, and a phosphate group.

The nitrogenous base can be one of four types: adenine (A), guanine (G), cytosine (C), or thymine (T) in DNA, and uracil (U) in RNA. The sugar molecule in DNA is called deoxyribose, while in RNA it is called ribose. The phosphate group is a functional group consisting of a phosphate atom bonded to four oxygen atoms.

The nucleotides are covalently bonded together through a process known as condensation or dehydration synthesis, in which a phosphate group from one nucleotide forms a covalent bond with the sugar molecule of another nucleotide, resulting in the formation of a phosphodiester bond.

This repeated bonding of nucleotides forms a long chain, with the phosphate groups and sugar molecules forming the backbone, and the nitrogenous bases extending from the backbone. The sequence of the nitrogenous bases in the nucleotide chain determines the genetic information encoded in the nucleic acid.

Nucleotides play a crucial role in the structure and function of nucleic acids. They provide the genetic code that determines the sequence of amino acids in proteins, which are responsible for various cellular functions.

The sequence of nucleotides in DNA carries the genetic information that is passed from one generation to another during reproduction and plays a key role in the heredity and diversity of living organisms.

In summary, nucleotides are the smaller molecules that are covalently bonded together to form the large polymers known as nucleic acids, such as DNA and RNA.

They serve as the monomers or building blocks of nucleic acids, carrying the genetic information necessary for the structure and function of living organisms.

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Answer:

See the answer below

Explanation:

A gene is made up of a pair of alleles that can be the same or different. When a gene is made up of the same allele, such gene is said to be homzygous and an individual is said to be true-breeding for that gene. When a gene is made of different alleles, such a gene is said to be heterozygous.

An allele, on the other hand, represents the alternate form of a gene. For example, height can be tall or short. Tallness represents one allele while shortness represents another allele. When the two alleles for a height are tall or short, it is homzygous, when it consists of one tall and one short allele, it is heterozygous.  

The Safe Alternatives Policy program lists unacceptable alternatives to ozone-depleting substances, option (b) is correct.

The Safe Alternatives Policy (SAP) program is a U.S. Environmental Protection Agency (EPA) initiative that aims to identify and promote substitutes for ozone-depleting substances (ODS) that are also safe for human health and the environment. The program's main goal is to minimize the use of ODS by finding acceptable alternatives.

The program does not simply list alternatives for all ozone-depleting substances, but instead, it identifies acceptable substitutes based on a set of criteria, including ozone depletion potential, global warming potential, toxicity, and flammability. SAP also considers the economic feasibility and availability of alternative substances, option (b) is correct.

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The correct question is:

The Safe Alternatives Policy program (Choose one answer)

a. specifies alternatives for all ozone-depleting substances

b. lists unacceptable alternatives to ozone-depleting substances

c. considers only ozone depletion potential

d. is based on global warming potential

Answer:

Goes into resting position.

Explanation:

The genes become dormant or in resting position that break down carbohydrates when cats eat lipids and fats, but no carbohydrates because of no use of that genes. The genes can't give instructions to the hormones that produces enzymes which take part in the digestion of carbohydrates so due to no need for the genes of carbohydrates, the genes goes into resting position until carbohydrate is eaten by the cat.

Enzymes are a type of protein that plays a crucial role in speeding up metabolic reactions while remaining unchanged.

They act as catalysts, facilitating chemical reactions within cells without being consumed or altered in the process. Enzymes are essential for the proper functioning of biological systems, as they accelerate the rates of chemical reactions that would otherwise occur too slowly to sustain life.

Enzymes achieve this acceleration by lowering the activation energy required for a reaction to proceed. They achieve this by binding to specific molecules, known as substrates, and bringing them into close proximity, allowing them to interact and undergo a reaction more efficiently.

Enzymes are highly specific, recognizing and binding to particular substrates based on their shape and chemical properties. This specificity ensures that enzymes catalyze only the desired reactions in the complex network of metabolic processes.

The unchanged nature of enzymes after the reaction allows them to be used repeatedly, making them highly efficient catalysts. Enzymes can be regulated by various factors, including pH, temperature, and the presence of specific molecules, to control the rate of metabolic reactions and maintain optimal conditions for cellular functions.

Examples of enzymes include amylase, which breaks down starch into simple sugars, and DNA polymerase, which catalyzes DNA replication. The vast diversity of enzymes and their roles in metabolic pathways highlight their significance in sustaining life and maintaining homeostasis within organisms.

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Answer:

Primary plant growth increases the length of shoots and roots, while secondary growth results in an increased girth as layers of woody tissue are laid down.

Explanation:

Primary growth is as a result of rapid cell division in the shoot apical and root apical meristem. Primary growth leads to an increase in the length of the shoot and the root.

Secondary growth is as a result of cell division in the lateral meristems (vascular cambium and the cork cambium) thereby making the root and stem thick. Secondary growth leads to an increase in thickness or girth of the plant as layers of woody tissue are laid down.

Answer:

915 to 913 B. C. E..

Explanation:

Answer:

The inferior vena cava returns blood from the lower limbs to the heart.

Explanation:

To measure the budding scars, you would have to prepare a yeast culture and also harvest the cells.

To measure and count budding scars on yeast cells, the following steps can be taken:

Prepare a yeast culture and grow the cells to the desired stage of budding.

Harvest the cells by centrifugation and fix them using a fixative such as ethanol or methanol.

Stain the cells with a dye that will reveal the cell wall such as Calcofluor White or DAPI (4',6-diamidino-2-phenylindole)

Mount the cells on a microscope slide and observe them under a microscope at a high magnification (e.g. 1000x)

Count the number of budding scars on a minimum of 100 cells, using a microscope eyepiece reticule or a computer-assisted image analysis program.

Calculate the budding frequency by dividing the number of cells with budding scars by the total number of cells counted.

To quantify the budding scars size, the researcher can use ImageJ or other software to measure the area of the scar.

It is important to note that, before starting the experiment, it is necessary to establish a clear definition of what is considered a budding scar, and to be consistent in the way scars are counted. Also, it is crucial to use a precise method to measure the cells

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Answer:

cell cycle is the term of the life cycle of a living cell

Answer:

A) exchanging oxygen and carbon dioxide

Explanation:

The function of the alveoli is to exchange oxygen and carbon dioxide: oxygen molecules from inhalation replace the carbon dioxide waste on hemoglobin (in blood cells) so cells in the body can receive oxygen. Since emphysema is damaged the alveoli, the function of the alveoli declines: the exchange of oxygen and carbon dioxide is more challenging.

10.5% chromium

less than 1.2% carbon