the negative feedback of menstrual cycle? ​

Answers

Answer 1
inhibition of FSH and LH secretion

Explanation:

The menstrual cycle begins as FSH stimulates development of an ovarian follicle. As this follicle matures, it begins producing a small but steadily rising amount of estradiol. This low level of estradiol causes: Negative feedback: inhibition of FSH and LH secretion.


Related Questions

Function of jugular veins

Answers

The function of the internal jugular vein is to collect blood from the skull, brain, superficial parts of the face, and the majority of the neck. The tributaries of the internal jugular include the inferior petrosal sinus, facial, lingual, pharyngeal, superior and middle thyroid, and, occasionally, the occipital vein.

(hoped this helped)

Answer:

bring blood from head and neck

Explanation:

Which of the statements is true about heating up air in the lower atmosphere

Answers

Answer: Option (A)

Explanation:

The interior of the earth radiates a huge amount of energy due to the presence of molten heavy materials namely iron and nickel. This heat energy drives the plates to move over the mantle.

This radiated energy plays a significant role in increasing the temperature at the lower atmosphere. At the lower atmosphere majority of the air is concentrated due to its high density and are attached to the ground because of gravity.

This radiated heat energy then heats up this air particles that leads to an increasing air pressure and temperature.

Why does meiosis produce cells with fewer chromosomes?

Answers

Answer:

meiosis produce cell with half the chromosome to maintain genetic integrity in the offspring

Read the article to learn more about the human
chromosomes. Use chromosomes 11 and 17 to
answer the following questions.
Chromosome Map
Chromosome 11 is made of over million base
pairs.
Approximately how many genes are found on
chromosome 11?
DONE
List the genetic disorders found on chromosome
11.
DONE
What do you know about any of those disorders?
DONE

Answers

Chromosome 11 in humans is made up of over approximately 135 million base pairs. It represents about 4-5% of the total DNA in cells.

What do you mean by Chromosomes?

Chromosomes may be defined as a thin-thread-like structure that is present in the nucleus of the cells that contains genetic information.

Chromosome 11 contains about 1300-1400 genes that furnish instructions for the cells to make proteins for metabolic activities.

The genetic disorders that are associated with the chromosome 11 are:

AlbinismThalassemiaAutismJacobsen syndromeBeta-Ketothiolase deficiency and many more.

Each of the above genetic disorders has its own specific modes of causing symptoms and infections in the human body.

Therefore, it is well described above.

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Answer:

A structure found inside the nucleus of a cell.

Explanation:

How many calories does 1 red apple have?

Answers

Answer:

There are 89 calories in 1 medium Red Delicious Apple.✨

Explanation:

How many calories are in a whole red apple?

89 Calories

Fat 0.3 g

Carbs 21.2 g

Fiber 3.5 g

Protein 0.4 g

have a great time

If a disease wiped out the hare population, which of the following best describes what would happen to this ecosystem?

The population of voles and lemmings would decrease because the arctic fox would rely on them for more food

The arctic fox population could decrease because they would lose a food source

The lemming population would increase because the hares would no longer be eating them

Both A and B

Answers

Answer:

B

Explanation:

If a disease wiped out the hare population, then result would be :

The arctic fox population could decrease because they would lose a food source.

It cannot be A because although the arctic fox population might decrease, it would only cause an increase in its prey's population as there are less predators (arctic fox) to consume it.

What is a tricarboxylic acid cycle?

Answers

Answer:

The citric acid cycle also known as the Krebs cycle or the TCA cycle is a series of chemical reactions to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.

tornado
thunderstorm
hailstorm
blizzard
1. A winter storm that contains strong winds, cold temperatures, and a lot of
snow is a
+
2. A funnel-shaped cloud that touches the ground is called a
3. A storm that includes lightning and thunder is a
4. A type of tropical storm that has strong winds and heavy rain is a
5. A weather condition that contains lumps of falling ice that can be moved
upwards by winds is called a
hurricane

Answers

1 = Blizzard
2 = Tornado
3 = Thunderstorm
4 = Hurricane
5 = Hailstorm

A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result due to incomplete dominance. then, two of the purple offspring are crossed. what proportion of the offspring from the second cross will be purple? 1 in 4 2 in 4 3 in 4 4 in 4

Answers

The expected proportion of purples individuals in the F2 of a heterozygous cross (purple phenotype) is equal to 2 in 4.

What is a Punnett square?

A Punett square is a diagram used to estimate the genotypic and phenotypic proportions in a given cross.

In this case, purple individuals (Aa genotype) will be:

          A     a

A       AA    Aa

a       Aa     aa

In conclusion, the expected proportion of purples individuals in the F2 of a heterozygous cross (purple phenotype) is equal to 2 in 4.

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Answer:2 in 4

Explanation:

I got it right on edge

A deuterium nucleus consists of one proton and one neutron. The quark composition of a deuterium nucleus is.

Answers

The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks.

What are quarks?

Quarks are the most fundamental particles that make up the atomic nucleus. All solid matter that we know is made of three particles, which are the up and down quarks, 'u' and 'd', and the electron.

In this case we have that the composition of the quark in the nucleus will be 3 up quarks and 3 down quarks.

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A deuterium nucleus consists of one proton and one neutron. The quark composition of a deuterium nucleus is

A- 2 up quarks and one down quark

B- 2 up quarks and 4 down quarks

C- 3 up quarks and 3 down quarks

D -4 up quarks and 2 down quarks

The quark composition of a deuterium nucleus is  3 up quarks and 3 down quarks. Thus, option "C" is correct.

What is the composition of quark?

The quark composition of a deuterium nucleus is 3 up quarks and 3 down quarks. The overall charge of the deuterium nucleus is +1. Comparing the given overall charge to the chart of the Particles of the Standard  Model, the overall charge can be determined from the combinations of the choices.

Thus, option "C" is correct.

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Analyzing and Interpreting Data: Data analysis uses tools, technologies, and/or models (e.g. computational, mathematical) in order to make a valid and reliable scientific claim.

Constructing Explanations and Designing Solutions: Explanation is based on valid and reliable evidence obtained from a variety of sources (including students’ own investigations, models, theories, simulations, peer review). Scientific reasoning links evidence to the claim.

Construct an explanation answering your research question, In what ways can we change the community to reduce runoff? Be sure to include a scientific claim answering your research question along with evidence to support your claim. Use scientific reasoning to link the evidence to your claim.

Answers

The reduction of runoff will change the community by providing a clean environment and will enhance the quality of life.

What is a scientific claim?

A scientific claim is a well-recognized fact about the real world that is supported by scientific evidence.

Scientific evidence in regard to the reduction of runoff shows that it increases the quality of life in society.

In conclusion, the reduction of runoff will change the community by providing a clean environment and will enhance the quality of life.

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About how long does it take for an egg to move down from the oviduct to the cloaca/vent?

Answers

Answer:

Explanation:

Egg transport refers to the movement of the oocyte from the moment of expulsion from the ovarian follicle to entry into the distal segment of the fallopian tube before fertilization takes place

I really need the answer now please

Answers

I have attached the screenshot with colour coded answers

Which of the following pairs a land cover with its most appropriate use? A. Rangeland → industry B. Urban land → Growing crops C. Developed land → Grazing livestock D. Forestland → lumber

Answers

The pair that has its land cover with its most appropriate use is Forestland → lumber. That is option D.

What is forestland?

Forestland is defined as the piece of land that is covered by tress of different sizes which can be used for timber and lumber purposes.

Therefore, the pair that has its land cover with its most appropriate use is Forestland → lumber.

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Spongiforma squarepantsii is what kind of organism?.

Answers

spongiforma squarepantsii is a Fungus

The mushroom, a native of Borneo, is Spongiforma squarepantsii, one of only two known members of the Spongiforma genus.

Explanation:

Spongiforma squarepantsii is a species of fungus in the family Boletaceae, genus Spongiforma.

The punnett square illustrates a cross for color of the flower. based on the phenotypes and genotypes of these offspring, it is clear that purple flower color allele is and the parents are .

Answers

In the given situation, purple color allele is heterozygous and the parents are homozygous.

What are genotypes?

The term "genotype" refers to an the genetic makeup of an organism in other words, it describes an organism's entire set of genes.

In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries.

In the given situation, purple color allele is heterozygous and the parents are homozygous.

Thus, the answer is heterozygous and homozygous respectively.

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Drag each characteristic to the correct category.
viruses do not possess all the characteristics of life. identify those characteristics that viruses display and those they don't display.
made up of one or more cells
has a defined boundary
uses energy
exhibits growth and development
possesses internal organization
eliminates waste
characteristics of life
present in viruses
characteristics of life absent
in viruses

Answers

Viruses are organisms that share traits with both living and non-living organisms. The virus' genetic material is made up of both DNA and RNA.

What are the characteristics of virus?

Viruses have an exterior capsule layer and a specified boundary. Only the host cells provide energy to the virus. They thrive and mature, multiplying their numbers solely within the host cells.

Characteristics which virus do not display:

A virus is a single-celled with no more than one cell. In the virus, there is no internal organization. If a virus is present outside of the host environment, it does not grow, develop, or require energy. Viruses do not remove trash.

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1 2 3 or 4 pls I’m not sure

Answers

Answer:

the answer of this question in my opinion is 3

What law of energy can be applied to food processing?

Answers

The first law of energy can be applied in food processing whereby foods are converted from one form to another.

What is food processing?

Food processing is the process by which food is converted from its natural state obtained from plants to a more edible and palatable state for consumption by humans.

The first law of energy states that energy cannot be created nor destroyed but can be converted to other forms.

Therefore, the first law of energy can be applied in food processing whereby foods are converted from one form to another.

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Technology and society in the industrial age
assignment
active
madam c. j. walker
madam cj walker built a multimillion dollar
business by selling her innovative products in the
how did companies tell the public about new
products?
transportation industry
beauty industry
communications industry
by hiring door-to-door salespeople
o by posting flyers in neighborhoods
by advertising in newspapers and magazines
done
complete

Answers

Answer: The answer is C "by advertising in newspapers and magazines

"

Explanation: On edg 2022

The difference in an area with high concentration and an area with low concentration is called:.

Answers

The difference in an area with high concentration and an area with low concentration is called concentration gradient.

What is concentration gradient?

Concentration gradient refers to the difference between the concentrations of two solutes in a solution.

A solution usually contains an area or region with higher concentration and an area with lower concentration.

The difference between these two areas of different concentrations is referred to as a concentration gradient.

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How are water molecules able to bond to each other?

Answers

Water has a remarkable ability to cling to itself and other substances. The propensity of water molecules to be attracted to other water molecules, allowing water to be a "sticky" liquid, is described by the property of cohesion.

Which bond is present between water?

The difference in charge between slightly positive hydrogen ions and other, slightly negative ions causes hydrogen bonds, which are electrostatic forces.

Hydrogen bonds form between adjoining hydrogen and oxygen atoms of adjacent water molecules in the case of water. A hydrogen bond is formed when individual water molecules attract each other.

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CHROMOSOMES AND INHERITANCE VOCABULARY REVIEW Distinguish between the terms in each of the following pairs of terms. X-linked gene, Y-linked gene 2. germ-cell mutation, somatic mutation 3. translocation, nondisjunction 4. nucleotide deletion, nucleotide insertion. 5. substitution, frame shift mutation MULTIPLE CHOICE Write the correct letter in the blank. 1. Genes that belong to the same linkage group pdf​

Answers

Y linked gene = 2 is correct

What is one condition that is necessary for a hurricane to form

Answers

Answer:

humid air

Explanation:

For one to form, there needs to be warm ocean water and moist, humid air in the region. When humid air is flowing upward at a zone of low pressure over warm ocean water, the water is released from the air as creating the clouds of the storm. As it rises, the air in a hurricane rotates.

A monohybrid cross compares alleles for how
many traits?
A. 1
B. 4
C. 8
D. 16

Answers

A monohybrid cross compares alleles for A. 1 trait in any od=f the alleles.

What is the widest variety of allele that monohybrid move can consider?

If a gene is it'll have specific alleles for the equal gene, as a result in case of a monohybrid move wherein most effective a single gene is taken into consideration most alleles are below consideration. A monohybrid move is one wherein each dad and mom are heterozygous (or a hybrid) for a single (mono) trait.

A cross among 2 people that vary via way of means of 1 trait. regulation of segregation. states that 2 alleles for every trait separate whilst gametes form. regulation of dominance.

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Why can't populations continue to keep growing and growing?

Answers

Answer:

That would lead to overpopulation.

Explanation:

If overpopulation became severe, it could lead to increased homelessness, famine, and poverty. These things are already an issue in our world and overpopulation would make it even worse. :( I hope this helps! :)

Populations usually start moderately linear because when one person is birthed another passes away. It’s a full circle and causes us not to overpopulate. If we overpopulated then our resources would be stretched thin.

Muscle and nerve cells have developed which characteristic more than other cells?.

Answers

Excitability, I just searched it so i hope it helps

Describe the structure and function of the nephron, including an explanation of the processes of secretion, filtration, and reabsorption. Indicate the primary location in the nephron where each process occurs and explain how, in total, these processes coordinate with the cardiovascular system to help the body maintain homeostasis.

Answers

The nephron is the filtration unit of the kidney.

It consists of a tubule that is connected with collecting duct at one end and a cup-shaped structure at the other end. This cup-shaped structure is called ‘Bowman’s capsule’. Every Bowman’s capsule contains a cluster of capillaries, called ‘Glomerulus’, within the cup-shaped structure. The blood enters into Glomerulus through afferent arteriole of the renal artery and leaves it through the efferent arteriole. Together, the glomerulus and its surrounding Bowman's capsule are called a renal corpuscle.

Blood enters the glomerulus through a small artery supplying the glomerulus with unfiltered blood called the afferent arteriole. Another vessel, a small artery carrying filtered blood away from the glomerulus, is called the efferent arteriole. These two arterioles play a key role in helping the glomeruli's capillaries perform the process of ultrafiltration.

Nephron starts from Bowman’s capsule and consists of the following parts: proximal convoluted tubule (in the renal cortex), the loop of Henle (in the renal medulla), and distal convoluted tubule (in the renal cortex).

i) proximal convoluted tubules (PCT): it is a proximal part of renal tubules next to Bowman’s capsule. It is lined with microvilli. Maximum reabsorption of water, glucose, amino acids and electrolytes takes place here.

ii) The loop of Henle: It is U shaped middle portion of renal tubules. It is composed of ascending and descending loop. Ascending loop is thick-walled and impermeable to water while the descending loop is thin-walled and permeable to water. The countercurrent mechanism is a crucial role of the loop of Henle.

iii) Distal convoluted tubules (DCT): It is the distal part of renal tubules that lead to collecting ducts. It is similar in structure and function with PCT. Functioning of Nephron:-

1. Filtration: Filtration of blood takes place in Bowman’s capsule from the capillaries of the glomerulus. The filtrate passes into the tubular part of the nephron. This filtrate contains glucose, amino acids, urea, uric acid, salts and a major amount of water.

2. Re-absorption: As the filtrate flows along the nephrons, substances such as glucose, amino acids, salts, and water are selectively re-absorbed into the blood by capillaries surrounding the nephron tube the leadule.

The amount of water re-absorbed depends on the need of the body and also on the amount of wastes to be excreted.

3. Urine: The filtrate which remains after re-absorption is called urine. Urine contains dissolved nitrogenous waste, i.e. urea and uric acid, excess salts and water. Urine is collected from nephrons by the collecting duct to carry it to the ureter.

The nephron is the filtration unit of the kidney.

It consists of a tubule that is connected with collecting duct at one end and a cup-shaped structure at the other end. This cup-shaped structure is called ‘Bowman’s capsule’. Every Bowman’s capsule contains a cluster of capillaries, called ‘Glomerulus’, within the cup-shaped structure. The blood enters into Glomerulus through afferent arteriole of the renal artery and leaves it through the efferent arteriole. Together, the glomerulus and its surrounding Bowman's capsule are called a renal corpuscle.

Blood enters the glomerulus through a small artery supplying the glomerulus with unfiltered blood called the afferent arteriole. Another vessel, a small artery carrying filtered blood away from the glomerulus, is called the efferent arteriole. These two arterioles play a key role in helping the glomeruli's capillaries perform the process of ultrafiltration.

Nephron starts from Bowman’s capsule and consists of the following parts: proximal convoluted tubule (in the renal cortex), the loop of Henle (in the renal medulla), and distal convoluted tubule (in the renal cortex).

i) proximal convoluted tubules (PCT): it is a proximal part of renal tubules next to Bowman’s capsule. It is lined with microvilli. Maximum reabsorption of water, glucose, amino acids and electrolytes takes place here.

ii) The loop of Henle: It is U shaped middle portion of renal tubules. It is composed of ascending and descending loop. Ascending loop is thick-walled and impermeable to water while the descending loop is thin-walled and permeable to water. The countercurrent mechanism is a crucial role of the loop of Henle.

iii) Distal convoluted tubules (DCT): It is the distal part of renal tubules that lead to collecting ducts. It is similar in structure and function with PCT.

The filtration unit of the kidney is known as the nephron. It is consisting of tubule that is linked with a collecting duct at one side and a cup-shaped structure at the other side. This cup-shaped structure is known as‘Bowman’s capsule’.

What is nephron?

It is the functional and structural unit of the kidney, it is a  filtration unit of the kidney having glomerulus, and a tubule.

Filtration: Blood filtration is takes place in Bowman’s capsule from the capillaries of the glomerulus.

Reabsorption: When blood filtrate flows along the nephrons, molecules  of amino acids, salts, glucose, and water are by selection re-absorbed into the blood by capillaries.

Secretion:  hydrogen ions and waste ions flows from the capillaries into the renal tubule, this process is known as secretion.

Therefore, nephron is the filtration unit of the kidney.

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You look in the microscope and see sister chromatids moving to opposite sides of the cell. You conclude the cell is in:

Answers

Answer:

Anaphase is the right answer

Explanation:

Calculate the area of land in hectares.
Note: 10000m^2 = 1hectares
if the school plan to cultivate plantain at the spacing of 4m * 4m of 80% of the land and pineapple at a spacing of 2m * 2.5m on 20% of the land, Calculate the number of plantain and pineapple planting materials that would be required for the farm.
Please help me.

Answers

Answer:

0.315 hectares

Explanation:

To get the answer, we use the area of a trapezium formula, which is ½ (a+b) h, where a and b are the parallel sides and h is the height.

So ½(90m+50m) 45m

½ × 140 × 45

70 × 45 = 3150m²

10000m²= 1hectare

3150m² = x

3150 ÷ 10000 = 0.315 hectares.

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