Answer:
C
Explanation:
The photosynthesis set up means plants take in carbon dioxide released by other animals
sea turtles reproduce by laying clutches of eggs in the sand and will often return to the same beach where they hatched to lay their eggs. this is an example of a behavior called philopatry. by laying eggs to reproduce, sea turtles are considered...
By laying eggs to reproduce, sea turtles are considered to be Oviparous.
An oviparous creature is one that produces eggs, and the youthful hatch after being ousted from the body. Whereas fertilization of the egg can happen inside or remotely, oviparous creatures continuously hatch the youthful outside of their body. Numerous creatures of land and water, winged creatures, fish, and reptiles are oviparous and regularly make homes to secure their eggs. This could be differentiated from ovoviviparous creatures, which hatch eggs interior of their bodies, at that point remove live young. This will be seen in a few sharks, snakes, and other animals. Being oviparous is a developmental procedure for generations. In this strategy, one or numerous eggs can be delivered. Each egg could be a gamete that has the female’s commitment to the hereditary material. In numerous species, the male supplies his gamete in the shape of sperm, which must discover its way to the egg. Once fertilized, the cells inside the egg will start to subdivide as a fetus is shaped
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bacterial colonies can be transferred from a master plate to secondary plates in the same configuration using a transferring agent such as a sterile velvet cloth. this technique is known as .
Bacterial colonies can be transferred from a master plate to secondary plates in the same configuration using a transferring agent such as a sterile velvet cloth this technique is known as replica plating .
Replica plating is the technique by which each colony is inoculated onto another plate according to a numbered pattern. replica plating allows each clone to be tested different variety of methods, while a master plate is always reserved to pick the clones .
Replica plating saves time and labor of lab technician and helps them to work of larger population of bacterial colonies by using isolation method .
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What would be problematic about making one side of the sowbug/pillbug chamber hot and dark while the other side is cool and illuminated?.
Making one side of the sowbug or pillbug chamber hot and dark while the other side is cool and illuminated would be problematic because: the bugs might prefer light environments but dislike cool backgrounds. It would be not easy to compare two differences simultaneously and there would be confounding variables.
What are the confounding variables?Confounding variables are the third variable that influences both dependent and independent variables. This variable could distort the associations between the two variables. If we make one side of the sowbug hot and dark while the other side is cool and illuminated, the true relationship between the two variables will not be accurate.
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ANALYZE Old-growth forests have remained undisturbed for hundreds of years or more. From what you see in the photo, what are some characteristics of a stable ecosystem?
Defining traits of a stable ecosystem:
If an ecosystem has the propensity to return to its equilibrium following a disturbance or perturbation, it is said to be stable or in equilibrium.
When the organisms in an ecosystem are interdependent, an ecosystem can be stable.
What traits distinguish an old-growth forest?They have large, old trees from long-lived species that are past the age of conventional rotation (harvest). Other characteristics of high-quality old growth forests include a complex stand structure (including snags and woody debris), high stand mortality, and a lack of invasive species.
An ecosystem's inhabitants all depend on one another for their survival and continued existence, which is known as interdependence.
Plants and animals are interdependent, whether directly or indirectly.
Just as snakes eat rats and rats eat plants and grains, an eagle will eventually consume this snake. The interdependence of the food chains of animals and plants is the cause of all of this.
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why does meitosis is called reduction division
Mitosis is known as the reduction division because it results in cells that have half the number of chromosomes as the parent cell.
What is meiosis?Meiosis is an order of cell division in which the chromosome number in the cells reduces upshot in haploid cells. Meiosis is called reduction division because the integer of chromosomes in the daughter cells is half that of the parent cell. · Meiosis and its importance. Meiosis is sometimes called "reduction division" because it reduces the number of chromosomes to half the normal figure, Meiosis is referred to as reduction division because the number of chromosomes in the daughter cells has been lower. Meiosis is called reduction division because of the figure of chromosomes.
So we can conclude that Meiosis is a type of cell division in which the chromosome number in the cells reduces by half that resulted in the production of haploid number of chromosomes.
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abdominal pain is best described as visceral pain that: a. travels from a specific organ to the spinal cord. b. is in concert with the peristalsis of the gastrointestinal tract. c. is diffused, vague, poorly localized, and dull. d. lateralizes from only one side of the nervous system.
Abdominal pain is best described as visceral pain that was diffused, vague, poorly localized as well as dull.
So, the correct option is C.
Epigastrium (upper mid abdomen), or lower abdominal pain is typically felt close to the midline. Having poor localization, being dull rather than sharp, and being challenging to describe the pain The other choices all fall short of really capturing this kind of sorrow. When the pelvis, abdomen, chest, or intestines' pain receptors are activated, visceral pain results. When the tissues and organs inside of us are hurt or damaged, we feel it.
Indefinite, non-localized, poorly understood, and poorly defined visceral pain is also difficult to pinpoint. A deep squeeze, pressure, or aching sensation are frequent sensation. abdomen, chest, intestines, or pelvis may experience nebulous visceral pain. Uncertainty surrounds this condition, which is brought on by harm to internal organs and tissues.
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which condition would most likely lead to an increase in the frequency of an altruistic behavior in a population? a. groups that differ in terms of altruistic and selfish genotypes have differential reproduction or survival. b. the altruistic behavior benefits the population. c. the rate of extinction of the selfish genotype is high. d. there is a gene flow among populations. e. the beneficiaries of the behavior are related to the individual performing it.
Answer:
E
Explanation:
100 points Help please
Answer:
c) Evolved first
Explanation:
The characteristic of prokaryotic cells is that they evolved first. Eukaryotic cells started to form after the evolution of prokaryotes. Hence, the option (c) is correct.
PLEASE HELP ME !!!!! Question 1 of 10 Which two molecules that form during cellular respiration have less energy than the molecules they were produced from?
A. ATP
B. NAD+
C. NADH
D. ADP
NAD+ and ATP are the two molecules that form during cellular respiration have less energy than the molecules they were produced from.
Citric acid undergoes a sequence of processes that release energy after it originates. In ATP and electron carrier molecules, this energy is stored. NAD+ and FAD are the two different kinds of energy-carrying electron carriers in the Krebs cycle.
Individual cells release energy through the process of cellular respiration, which involves the breakdown of food molecules like glucose. It does this by utilizing the energy released to create ATP molecules, which serve as the energy carriers for the metabolic reactions carried out by cells.
Glycolysis, pyruvate transformation, the Krebs cycle (also known as the citric acid cycle), and oxidative phosphorylation are the four reactions that make up cellular respiration. There is also an intermediate stage.
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true or false: the 1988 yellowstone fires were a tragedy that permanently destroyed many unique habitats.
Yes the 1988 yellowstone fires were a tragedy that permanently destroyed many unique habitats and environment.
The Greater Yellowstone Area, which covers 4.8 million hectares of "primarily public land in Wyoming, Montana, and Idaho," is where the actual fires took place. The fires, which were burning at varying intensities, burned a lot of lodgepole pines and other trees but mostly spared most other plants. When coupled with the summer drought conditions, some of the northern range burnt, which had an impact on the habitat and winter survival of grazing animals. Fires significantly changed the habitat , environment and food production of Yellowstone in many other ways as well.
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contraction of which muscle normally accounts for around 75% of the air movement in normal quiet breathing?
The contraction of diaphragm normally account for around 75% of the air movement in normal quiet breathing.
This outward push is increased by the inspiratory muscles (mainly the diaphragm and external intercostals) during inspiration. This causes the lung tissue to expand and air to enter the alveoli at a rate regulated by airway resistance.
The so-called "silent" expiration is caused by the elastic recoil of the lung parenchyma, which causes these inspiratory muscles to relax and the lung to regain its equilibrium volume.
However, in forced expiration, the abdominal and internal intercostal muscles are employed to exert more force against the lungs, causing them to expel air more quickly and allowing expiration down to the residual volume (RV).
Lung function testing is performed to quantify these changes. In lung disease, these forces are altered.
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Which two criteria are least important for engineers to consider when
developing a process to produce ammonia?
A. The process should be able to be performed safely.
B. The reactants should come from natural sources.
C. The process should use familiar technologies.
D. The environment around the chemical plant should be protected.
In order to create ammonia, the procedure must be done safely, and the area all around chemical plant must be safeguarded.
The correct answer is D,A
Is Ammonia's natural habitat?In soil, air, and water, ammonia can be found naturally throughout the environment. The nitrogen cycle, which already takes place as fertilizer for plants, also renews ammonia naturally. Ammonia does not bioaccumulate and does not survive long in the environment because of this natural mechanism.
Describe ammonia?A gas made of nitrogen and hydrogen, ammonia (NH3), is colorless. Strong urine or sweat-like aroma can be detected in it. In addition to naturally existing in the air, water, and soil, ammonia can also be found in plants, animals, and the human body.
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Answer:
The answer is B and C
Explanation:
New technology has both positive and negative effects. Most kinds of technology can be deadly if not used correctly. Short-term consequences are not as important as long-term consequences.
Bees use a combination of visual and chemical cues within flowers to locate those same flowers that contain nectar. All BUT ONE choice is a cue that aid bees in finding food.
A waggle dancewaggle dance
B floral scentsfloral scents
C nectar guidesnectar guides
D nectaries
The option that will not help the bees to find food will be the floral scents, so the correct option is B.
What is the function of the floral scents?Sometimes the floral scent will help to be olfactory signals for pollinators, but this can also disorient the bees due to the aromas that can be changeable in the flowers, such as when the plant may lack water and stress it, making it defensive, altering its scent.
This can then upset the bees and disorient them as to where they need to go to pollinate.
Therefore, we can confirm that the correct option is B. floral scents.
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Which statement best represents the process through which evolution occurs?
Responses
Answer:
Theory of evolution states that the organisms which are fit will survive and they will be able to increase their generations
some viral genomes, composed of positive sense single-stranded rna, act as mrna. what advantage might these viruses have over other kinds of viruses?
Because they don't require being changed from DNA to RNA, those viruses DO NOT require travelling to the nucleus.
Why are RNA viruses beneficial?Studying the rates of mutation in RNA viruses is one of the more fascinating biological topics. So that their mutation rates can be maximised for fitness, they encode the replication machinery (in comparison to small DNA viruses that use the polymerases of their host cells).
As opposed to DNA, why do viruses employ RNA?The transcription step can be skipped by RNA viruses, unlike DNA viruses that must always convert viral DNA into RNA in order to create proteins. Additionally, some RNA molecules have the ability to operate as messenger RNA that is translated directly into protein.
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significant damage to which of the following parts of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken? responses hypothalamus hypothalamus frontal lobe frontal lobe reticular formation reticular formation amygdala amygdala thalamus
Significant damage to reticular formation of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken.
The reticular formation, a long, slender network of neurons, runs through the medulla and the pons. The reticular formation is crucial for walking, eating, having sex, and sleeping. When an animal's reticular formation is electrically stimulated, it awakens instantly, and when the reticular formation is cut off from higher brain regions, the animal enters a deep coma.
The reticular formation's function is to transport the remaining impulses to different parts of the brain while filtering some of the stimuli entering the brain via the spinal cord. The medulla, the pons, the thalamus, and the reticular formation are all parts of the brain stem, which is an extension of the spinal cord.
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amino acids are the building blocks of multiple choice question. protein. carbohydrates. triglycerides.
Amino acids are responsible for the building blocks of protein.
So, the correct option is A.
The components of proteins are called amino acids. A protein is made up of multiple polypeptide chains, each of which is composed of amino acids. Amino acids are the basic units of proteins; they are small organic molecules with an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable element termed a side chain.
Two functional groups, an amino group, and a carboxyl group are present in amino acids. The amino acids work together to create a long protein chain called a polypeptide chain, which serves as the building block for proteins. Body protein as well as other vital nitrogen-containing substances like creatine and peptide must be synthesized using amino acids.
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Which of the following statements illustrates functional fixedness? I have only seen metal desks, therefore only metal can be used to make desks. Corn may only be used to produce ethanol because it is yellow. A person who is four feet tall may or may not be able to drive a school bus. Chairs are not always made of wood, but some chairs are made of wood.
The statement which illustrates functional fixedness is that I have only seen metal desks, therefore only metal can be used to make desks and is denoted as option A.
What is Functional fixedness?This is referred to as a cognitive bias that impacts an individual's ability to be creative. This is used to explain why a substance is only used for the main purpose and not for other purposes.
Option A states that only metal can be used to make desks which is a good example of functional fixedness as it can also be used for other purposes which is therefore the reason why it was chosen as the correct choice.
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Select the most accurate example of a food chain:
grass--->Rabbit--->snake--->hawk
rabbit--->hawk--->grass--->snake
snake-->rabbit--->grass--->hawk
hawk--->snake--->rabbit--->grass
Answer:
The last one;
hawk--->snake--->rabbit--->grass
Explanation:
Answer:
grass--->Rabbit--->snake--->hawk
Explanation:
the grass is the producer(as it has energy) so the rabbit eats the grass,then the snake eats the rabbit and then the hawk eats the snake
Name three social benefits provided by biodiversity
Answer:1. Research, education and monitoring
2. Recreation & tourism
3. Cultural values
Explanation:
the evolution of decreased virulence would be expected in a no, that's not the correct answer. a. horizontally transmitted parasite. b. parasite species in which multiple infection is frequent. c. host with an effective immune system. d. vertically transmitted parasite.
Evolution of decreased virulence would be expected in a no of vertically transmitted parasite.
Virulence is defined by the ability of a microorganism to cause disease in the host . Parasites get transmitted from a parent to its offspring at or before birth, this case is called vertical transmission of parasite.
When , parasites are transmitted by contact from an infected individual to an uninfected individual, in that case the transmission is said to be horizontal. For example ,vertically transmitted can be disease caused by virus or bacteria that is transferred from mother to child .
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how does the protozoan trypanosoma evade detection by the immune system? how does the protozoan trypanosoma evade detection by the immune system? it can change the surface antigens frequently, preventing the immune system from tracking it. it can resist oxidation inside macrophages. it produces a capsule which is composed of polysaccharides similar to those found in the host. it prevents phagosome-lysosome fusion.
Protozoan trypanosome evades detection by frequently changing the surface antigens, thereby preventing the immune system from tracking it.
What are Protozoan trypanosoma?
Typanosomoa belong to the genus kinetoplastids, class trypanosomatidae. They are a group of monophyletic single celled parasitic flagellate organisms(protozoa). They infect the blood of vertebrates (even humans), which is usually transmitted by insect bites. They include some that might cause serious diseases, like sleeping sickness and chagas disease.
Symptoms caused by this protozoa include fever, irritability, headaches, swollen lymph nodes, aching muscles/ joints and even extreme fatigue. These symptoms are common for the sleeping sickness which is also called African Trypanosomiasis. This sickness is caused by the species Trypanosoma brucei, which is usually transmitted by the tsete fly, found only in the sub-Saharan Africa.
A species of the protozoa called Trypanosoma culicavium also infects birds and mosquitoes.
Prolonged infections are possible by this protozoan because it goes through antigenic variation, which is how the parasite is able to evade the antibody mediated elimination.
Hence, the protozoan trypanosoma evades detection by frequently changing the surface antigens.
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what are the four major groups of mollusks? give examples of each group. which one is distinctly different than the others?
Mollusca is the second-largest animal phylum.
Lives in all freshwater and marine environments.
examples - clams, snails, slugs, and squid.
General features of Mollusca -
1. body has 3 parts- head, foot and visceral mass
2. unsegmented body
3. radula for rasping
4. mantle for shell secretions
5. have larva ( marine forms) - trochophore.
The 4 classes of Mollusca are-
1. Polyplacophora
they are elongate or oval, dorsoventrally flattened, bilaterally symmetrical, marine.
mantle-edge stiffened (called the girdle)
e.g. - chitons, limpets.
2. Gastropoda
muscular foot which is used for "creeping" locomotion
largest group in Mollusca
shell is spiral in shape
e.g.- Haliotis, Pila
3. Bivalvia
Animal with soft body which is protected by a limestone shell.
e.g. - scallops (Pectinidae), oysters (Ostraeidae), pearl oysters
4. Cephalopoda
Are molluscs with large heads, large eyes with grasping tentacles
e.g. - squid, cuttlefish,octopus etc.
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For 201, after reading the lesson, choose and complete one of the labs on pg 8. Be sure to take any and all safety precautions and fill out the entire Lab Report.
Use this link for the Teacher-made Template & Video Walkthrough.
Understanding Energy Transfer & Properties of Water video (she speaks slow, so feel free to increase the speed)
Remember:
Unequally shared Covalent Bonds between the 1 Oxygen and the 2 Hydrogen atoms within a single water molecule create the partially Negative Oxygen side and the partially Positive Hydrogen side. This is how water is a Polar Molecule, which accounts for how the Hydrogen Bonds form between different water molecules, giving water the ability of Cohesion & Surface Tension, while also allowing those charges to tear apart other molecules making water a Universal Solvent.
Important tips:
When writing a Hypothesis, try to turn it into an "If..., then..." statement. It shows that you're making a testable prediction.
Variables. Here's a trick to remembering Independent vs Dependent and what they do since we need to say which is which:Use “DRY MIX”
DRY: D = Dependent, R= Response (what is/ has changed), Y = Y-axis of the graph
MIX: M = Manipulated (What I change as the scientist),I = Independent, X = X-axis
Conclusion: When writing a conclusion, take any question prompts you are given and turn the answers into a paragraph. Note: Always refer back to specific Data.
Answer:
Option (A) is Right Answer
Explanation:
(A) A strong attraction between hydrogen and another atom
A hydrogen bond is a strong attracted between the hydrogen and another atom
A hydrogen bond is an incomplete partial inter molecular bonding between a solitary pair on an electron-rich donor molecule, especially the second-row elements nitrogen (N), oxygen (O), or fluorine (F), and the anti bonding orbital of a bond between hydrogen (H) and a progressively electronegative
Hydrogen holding is caused by the tendency of certain items in particles to pull in electrons more than their going with molecule
It gives the atom a changeless dipole moment
if nirenberg and matthaei performed their cell-free translation experiment using an mrna composed of 60% c and 40% a, what radiolabeled amino acids would be incorporated into the precipitated polypeptides? (check all that apply.) check all that apply phenylalanine phenylalanine leucine leucine isoleucine isoleucine proline proline methionine methionine valine valine serine serine threonine threonine alanine alanine tyrosine tyrosine histidine histidine glutamine glutamine
Phenylalanine, Leucine, Isoleucine, Methionine, Valine, Serine, Alanine, Tyrosine, Aspartic acid, glutamic acid, Cysteine, Tryptophan, Arginine and Glycine are the radiolabeled amino acids would be incorporated into the precipitated polypeptides.
What is polypeptide and its function?
Polypeptides assist make up proteins via way of means of bonding several amino acids together. Proteins are created via way of means of the bonding of or greater polypeptides, that are then folded into a particular form for a specific protein.
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which structure delivers venous blood from the tissues and organs of the abdominal and pelvic cavities, and from the lower limbs?
The inferior vena cava transports venous blood from the lower limbs, the abdominal cavity, and the pelvic cavity.
The inferior vena cava wins ancestry from the laps, extremities, and means in the stomach. The vena cava is the best vein in the frame. The inferior vena cava (also known as IVC or the posterior vena cava) is a big tone that gives ancestry from the shape and lowers material to the kindliness of the essence.
Venous blood is deoxygenated ancestry that flows from insignificant blood vessel ancestry ships inside the tissues into following best veins to the kindliness of the essence. Venous blood is an example of choice for most routine laboratory tests. Venous blood gives a clear example of all the cells, biomarkers, and proteins flowing in your ancestry, making it win standard for the most routine experiments.
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through which can evolution be measured? observing changes in a single individual over its lifetime. observing long term morphological changes in the fossil record reflecting underlying genetic change. observing the spread of new genetic variants through a population. observing changes the effects of genetic change on the form and function of organisms. all of the above
The evolution can be measured by: observing long term morphological changes in the fossil record reflecting underlying genetic change.
Evolution is the gradual and visible change that occurs over a long course of time. Evolution is a population phenomenon and cannot be observed in a single individual. The evolution can be due to genetic changes or it can be morphological due to environmental factors.
Fossils are the traces, remains or expressions of the ancient dead plants or animals. Fossils are the best objects to study the evolution as they display the form of living of organism of that time and enable to establish their connection with the current organisms.
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Which of the following is not one of the media plates you will be using?
O THR-
O LEU-
O HIS-
OURA-
The one which is not the media plates you will be using is Val-Ser-Thr-Val and Val-Ser-Asp-Met. Thus, option A is correct.
Whom the organisms Val-Ser-Thr-Val" and "Val-Ser-Asp-Met" are associated with?The organisms "Val-Ser-Thr-Val" and "Val-Ser-Asp-Met" are most likely and closely associated and the reason behind this association is that they share similarities in their structures("Val-Ser") and the charges in their series of chains carried by them.
The term Central Dogma has been defined as the term that refers to the two step process through which information flows from the sequence of DNA into a sequence of RNA (the process of transcription) and finally takes the form of proteins (the process of translation).
Therefore, The one which is not the media plates you will be using is Val-Ser-Thr-Val and Val-Ser-Asp-Met. Thus, option A is correct.
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Explain the relationship among homeostasis, defective mitochondria, and the symptoms caused by LHON.
Answer:
There is an important relationship among homeostasis, defective mitochondria, and the symptoms caused by LHON.
Explanation:
There is a great relationship among homeostasis, defective mitochondria and the symptoms caused by LHON because defective mitochondria disturbs the homeostasis in the body. If mitochondria works properly, homeostasis will be maintained whereas if there is any defect occurs in the mitochondria then the whole homeostasis will be adversely affected because mitochondria is the powerhouse of the cell responsible for the production of energy for the cell. Symptoms occurs due to Leber's hereditary optic neuropathy (LHON) also effected the state of equilibrium in the body.
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3. to prevent ovulation, drugs called either gnrh agonists (e.g., leuprolide, nafarelin acetate) or antagonists (e.g., ganirelix, cetrorelix acetate) are used. these prevent ovulation by preventing a particular hormone from being released. which hormone is stopped from being released?
Drugs referred to as GnRH agonists or antagonists are used to stop ovulation. This stops ovulation and the release of a particular hormone. Luteinizing hormone is the hormone whose secretion is prevented.
Drugs called gonadotropin-releasing hormone (GnRH) agonists are used to treat adult women's endometriosis symptoms and prevent children from developing central precocious puberty.
The growth and operation of the sexual organs are significantly influenced by LH. Luteinizing hormone helps women manage their menstrual cycles. Additionally, it causes an egg to be released from the ovary. This is the ovulation process.
Low levels of LH could indicate stress, anorexia, malnutrition, or pituitary disease. If you are a male, abnormally high LH levels and low levels of testosterone may indicate that your testicles are not producing enough testosterone in response to the signal from LH.
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