Descending limb of loop of Henle
It helps to maintain the concentration of urine. It is highly permeable to water thus water is readily reabsorbed from the descending limb by osmosis. It is impermeable to sodium and chloride ions.
What is a Tubule system ?The transverse tubular system is a network of interconnecting rings, each of which surrounds a myofibril
The nephron uses four mechanisms to convert blood into urine: filtration, reabsorption, secretion, and excretion. These apply to numerous substancesThe distal convoluted tubule (DCT) and collecting duct (CD) are the final two segments of the kidney nephron. They have an important role in the absorption of many ions, and in water reabsorption.Learn more about Tubule system here:
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Identify the function of the highlighted structure. transports urine to the urinary bladder carries fecal matter to the anus transports urine to the exterior
The urethra transports urine to the urinary bladder carries fecal matter to the anus transports urine to the exterior.
How is urine transported into the bladder?
The urinary system's ureters are responsible for filtering blood and producing urine as a waste product. The two tubes are known as ureters transport urine from the kidneys to the bladder. The ureters are between eight and ten inches long. A muscular tube called a ureter empties urine into the bladder. The bladder is the organ where pee is kept before it can be removed. Over time, smooth muscle contractions in the walls of the ureters deliver urine into the bladder in little bursts.
A kidney infection may manifest if urine is allowed to pool or back up. A muscular pouch called the urinary bladder stores urine until it is expelled from the body.
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Progesterone has a total of _____ aldehyde functional group(s) and _____ ketone group(s).
Progesterone has a total of 3 aldehyde functional groups and 2 functional ketone groups.
What is Progesterone?Progesterone is a naturally occurring substances in the human body that is involved with the metabolic pathways of testosterone and they are referred to as endogenous steroid.
It is also a progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species.
Progesterone is the most important progestogen in the human body.
One of the major functions of progesterone is that it helps thicken the lining of the uterus each month.
The thickened endometrial lining is made ready to receive and nourish a fertilized egg.
Should pregnancy occur, progesterone is produced in the placenta and levels remain elevated throughout the pregnancy.
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Many chlorophytes are unicellular, but others are bigger and more complex. The fact that increased size and complexity evolved in different ways indicates ________.
Many chlorophytes are unicellular, but others are bigger and more complex. The fact that increased size and complexity evolved in different ways indicates the chlorophyte group contained extensive genetic variability.
What are chlorophytes?Green algae are known as chlorophytes, and as their name suggests, the chlorophyll in the thylakoid gives them their green color. They also include other pigments including xanthophyll and beta-carotene. They can be unicellular or multicellular depending on the species.
Chlorophyta converts sunlight to starch that is stored in cells as a food reserve. Because of their ability to photosynthesize, chlorophytes are among the ecosystem's most significant producers. As a byproduct of photosynthesis, they are a significant supply of starch and oxygen. Many heterotrophs eat them as food. Numerous chlorophytes interact symbiotically with other types of species.
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I need help sooo much. I really appreciate it
Answer:
D
is the answer because as you see the percentage increase
Answer:
900
\
Explanation:
Select the correct answer from each drop-down menu.
The United Nations promotes
x in an effort to maintain world peace and protect future generations. The tOxic
impact of nuclear weapons lasts long after its use. Nuclear bombs release
v that poisons the environment and
endangers lives. Modern nuclear weapons are so powerful that they have the capacity to wipe out large cities in minutes and perhaps
cause the end of human civilization.
Answer:
The United Nations promotes "nuclear arms control" in an effort to maintain world peace and protect future generations. The toxic impact of nuclear weapons lasts long after its use. Nuclear bombs release "radioactive material" that poisons the environment and endangers lives. Modern nuclear weapons are so powerful that they have the capacity to wipe out large cities in minutes and perhaps cause the end of human civilization.
Explanation: edmentum
Answer:The United Nations promotes "nuclear arms control" in an effort to maintain world peace and protect future generations. The toxic impact of nuclear weapons lasts long after its use. Nuclear bombs release "radioactive material" that poisons the environment and endangers lives. Modern nuclear weapons are so powerful that they have the capacity to wipe out large cities in minutes and perhaps cause the end of human civilization.
Explanation:
Which neurotransmitter is considered the major excitatory neurotransmitter?
Glutamate is considered the major excitatory neurotransmitter.
Mechanism of action:
The neurons use neurotransmitters to interact with one other and their target tissues during the synaptic transmission process (neurotransmission). Nerve endings synthesise neurotransmitters, which are then released from them into the synaptic cleft. From there, receptor proteins in the cellular membrane of the target tissue bind to neurotransmitters. As a result, the target tissue is stimulated, blocked, or otherwise functionally altered.
More than 40 neurotransmitters found in the human neurological system, acetylcholine, norepinephrine, dopamine, gamma-aminobutyric acid (GABA), glutamate, serotonin, and histamine are some of the most significant.
Major excitatory neurotransmitter are
Acetylcholine and Glutamate (ACh) Histamine Dopamine (DA) Noradrenaline (NAd), also known as norepinephrine (NE), Adrenaline (Ad), also known as (Epi)To know more about neurotransmitter click here
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Which of these is a hazard of commercial fishing?
A. a drop in the water table
B. reduced demand for seafood
C. injury from machinery
D. increased biodiversity
The injury from machinery is a hazard of commercial fishing.
What does commercial fishing mean?Commercial fishing is the activity of catching fish and other seafood for profit, particularly among wild species. It supplies a large amount of food around the world, but those who practice it as an industry sometimes look for long conditions from the ocean's limits, in adversaries.
If any damage to machinery occurs, it will end commercial fishing, causing deaths and oil in the seas.
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As a river flows downhill carrying sediment, what happens when the river widens and slows down?
As a river flows downhill carrying sediment, when the river widens and slows down, the sediment deposits.
What is deposition of sediments?
Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice.
Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water.
When the river flowing downhill widens and slows down, the velocity of thee river drops and the sediments begins to deposit as the energy with which the river is transporting it begins to decline due to drop in the river velocity.
Thus, as a river flows downhill carrying sediment, when the river widens and slows down, the sediment deposits.
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A technologist performed a STAT spinal fluid count by pipetting undiluted spinal fluid in a Neubauer Counting Chamber and counting both sides of the chamber (4 large WBC squares on each side). A total of 54 White Cells were counted. How many White Cells would there be per cubic millimeter
The number of white cells is mathematically given as
Avg = 67.5 mm^3
What are White Cells in per cubic millimeter?Generally, the equation for Avg is mathematically given as
Avg =WBC/µL
Where, the addition of the number of squares
x=(4+4)
x= 8
Therefore
Avg =54/ 8x 0.1 uL
Avg = 67.5
In conclusion, the number of white cells White Cells
Avg = 67.5 mm^3
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Some combinations of recessive alleles cause problems so severe that a fetus may cease to develop. Such lethal allele combinations appear to alter Mendelian ratios because
Such lethal allele combinations appear to alter Mendelian ratios because homozygotes for the lethal allele do not appear as a progeny class.
What are Mendel’s laws of inheritance?Mendel proposed the law of inheritance of traits from the first generation to the next generation. Law of inheritance is made up of three laws: Law of segregation, law of independent assortment and law of dominance.The law of dominance states that recessive traits are always dominated or masked by dominant trait.Lethal alleles are alleles that cause an organism to die only when present in a homozygous condition. In case of lethal genes, only the heterozygous is able to survive in the progeny but they cause death if an organism carries two copies of the lethal allele. As a result homozygotes for the lethal allele do not appear as a progeny class.Lethal alleles can cause death of an organism prenatally or any time after birth, though they commonly manifest early in development.Learn more about Mendel's laws of inheritance here:
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100 points:
are these declarative memories or non declarative memories?
Put D for declarative and N for non declarative:
-Deciding on his favorite ice cream
-Recalling a synonym for the opposite of the word "good"
-Riding a bicycle
-Conveying the nature of his condition
- Deciding on his favorite ice cream - N
- Recalling a synonym for the opposite of the word "good" - D
-Riding a bicycle - N
-Conveying the nature of his condition - N
Nondeclarative memory(N) is a grouping of different memory types that work automatically and store data that cannot be accessed by conscious remembrance. Declarative memory(D) is the capacity to consciously recall declarative knowledge, usually in response to a specific request to remember, after having retained it for a long amount of time.
Therefore, Deciding on his favorite ice cream , Riding a bicycle and Conveying the nature of his condition are all non declarative memory(N)and Recalling a synonym for the opposite of the word "good" is a type declarative memory(D).
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3. The table below shows factors that could be present in a population. Next to each factor,
write whether this would cause natural selection or not.
Answer:
1.) No
2.)Yes
3.)No
4.)Yes
5.)No
Explanation: Hope this helped!
Antenna-like nerve endings in the retina, called _____, respond to all wavelengths of visible light and give us the ability to distinguish light from dark.
Antenna-like nerve endings in the retina, called rods, respond to all wavelengths of visible light and give us the ability to distinguish light from dark.
What about the eye in human?As a sensory organ, the eye is. It gathers light from the external environment that can be seen and transforms it into nerve impulses. These signals are sent by the optic nerve to the brain, which interprets them to produce an image and enable sight.Unique cells called photoreceptors are found in the retina, a layer of tissue at the back of the eye, and they are responsible for turning light into electrical signals when it strikes the retina.The optic nerve carries these electrical signals from the retina to the brain.Your eyes send signals to your brain, which then interprets those signals to produce visual images. They are essential to how well you can see. Each optic nerve is made up of millions of nerve fibers. Loss of vision in one or both eyes can result from damage to an optic nerve.Learn more about eye here:
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The idea that neurons in the visual cortex respond to relatively simple stimuli, then send their axons to higher levels of the visual system where signals from many neurons combine and interact is called:
Hierarchical processing involves the combining of information collected by one unit which is at the lower level.
Hierarchical processing
The hierarchical processing allows small stimuli to be combined and form a larger and more complex stimulus. It was first described by Hubel and Wiesel and since their pioneering work, various other hierarchical models have explained the hierarchical systems in the body. Many models explain the processes that occur from small-scale level to system level.
Various stimuli activate the receptor neurons which send the signals to the neighboring neurons which conduct the signals and so on till it reaches the cerebral cortex. Along the way, the signals from various neurons are combined together and produce a complex signal to which the neurons at this level respond. They send signals to higher neurons where it interacts and combines to form even more complex signals. Such a system allows the individual to see complex shapes, structures, motion, etc.
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Which of the following actions is not one of the optional initiatives that a company can include in its social responsibility strategy to boost its image rating over the long term
Reducing the prices the company charges its customers for branded footwear is not an optional initiatives that a company can include in its social responsibility strategy.
Who is Corporate social responsibility?
This concept involves companies using and integrating social and environmental concerns into their operations.
These may include recycling of waste etc and reduction of prices isn't ideal for such purpose.
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Bacteria, pollen, and transplanted tissue are examples of:_______
Bacteria, pollen, and transplanted tissue are examples of Foreign antigens.
The source of foreign antigens is external to the body. Examples include components of or compounds created by viruses, microorganisms (such as bacteria and protozoa), substances in snake venom, specific proteins in meals, pollens and serum and red blood cell components from other people.T cells only identify foreign antigens that are present on the surfaces of the body's own cells, as opposed to immunoglobulins, which interact with infections and their harmful products in the extracellular spaces of the body. These antigens may come from pathogens that proliferate inside of cells, such as viruses or intracellular bacteria, or they may come from pathogens or their byproducts that cells have ingested through the process of endocytosis.
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Which amino acid and which atom has most to do with myoglobin’s ability to bind o2?.
If the heterozygous phenotype is intermediate between that of the homozygotes this is called:____.
A. epistasis.
B. incomplete dominance.
C. independent assortment.
D. polygenic.
E. codominance.
If the heterozygous phenotype is intermediate between that of the homozygotes this is called independent dominance. The correct answer is B. incomplete dominance.
Incomplete dominance refers to the phenomenon in which two true-breeding parents interbred to create an intermediate child (sometimes referred to as heterozygous). Alternate names for it include partial dominance and intermediate inheritance. In the case of partial dominance, the variations (alleles) are expressed in a reduced ratio rather than as dominant or recessive.
A new heterozygous phenotype is produced by imperfect dominance, often known as the dilution of the dominant allele relative to the recessive allele. For instance
the shape of hairthe size of handsthe pitch of human voicepink colour of flowers(snapdragons and four o’clock flowers)To know more about independent dominance click here
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In the α helices of transmembrane proteins, the hydrophobic side chains face which direction?
In the α helices of transmembrane proteins, the hydrophobic side chains face the outside of the membrane-spanning helix.
Transmembrane proteins are a type of integral membrane protein that spreads throughout the cell membrane. Many transmembrane proteins act as gates that allow the transport of certain substances across the membrane.
Transmembrane proteins basically act as gates or docking sites that allow or prevent substances from crossing the cell membrane.
Transmembrane proteins penetrate the entire plasma membrane. Transmembrane proteins are found in all types of biological membranes. Monotopic proteins are permanently attached to the membrane from only one side
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Body cells that respond to insulin include?
Answer:
Liver cells, as well as most other cells of the body.
Explanation:
hope this helps, sorry if it is wrong
PLS HELP I CANT FAIL THIS
The chart shows four stages of demographic transition. Which situation best
describes the industrial stage (Stage 3)?
Rate per 1000
40
30
20
10
0
Stage 1
Preindustrial
stage
-
Stage 2
Transitional
stage
Total population
-
Stage 3
Industrial
stage
Death rate
A. High and stable total population
B. High birthrate and death rate
OC. Exponentially increasing death rate
D. Sharply dropping birthrate
The chart shows four stages of demographic transition, and the situation that best explains the industrial stage (Stage 3) is the sharply dropping birth rate that is in Option D. Option D is correct regarding the industrial stage.
What is the reason for the population increase?The population increase or decrease depends upon the resources that are available for population growth, such as food, a place to live, etc., and if all these are present in abundance, then an increase in population growth is seen. Because there were not all of the resources available at the early time, such as proper food, sanitation, a place to live, and so on, population growth was slow. However, due to the development of the industrial sectors and improved living conditions, population growth is seen with a decrease in the death rate.
Hence, the situation that best explains the industrial stage (Stage 3) is the sharply dropping birth rate in Option D. Option D is correct regarding the industrial stage.
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We used the enzyme, taq polymerase, which is derived from the thermus aquaticus bacterium, in our pcr procedure. Why is this enzyme important for efficiency in pcr?.
Taq polymerase enzyme important for efficiency in PCR because it is thermostable polymerases that remain active at high temperatures (90 -95 degree Celsius) a beyond the denaturation temperature of DNA.
PCR :
Polymerase chain reaction (PCR) is a laboratory technique for rapidly amplifying millions to billions of copies of a specific segment of DNA, which can then be used for further research.
Taq polymerase is a DNA polymerase derived from bacteria called Thermus aquaticus, which are naturally thermophilic and is a thermostable polymerases that remain active at temperatures higher than the temperature at which DNA is denatured. This allows PCR to be used on DNA samples without the need to add new DNA polymerases after each cycle.
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Identical twins are produced from the same sperm and egg. After the first mitotic division, the cells detach from each other and develop into distinct individuals. In contrast, fraternal twins are produced from separate sperm and separate egg cells. If two parents with brown eyes (a dominant trait) produce one twin boy with blue eyes, what are the probabilities of the following
The probability of other twin to have blue eyes is 100% because they are genetically identical.
Are identical twins are formed from two different eggs and two different sperm?
One fertilized egg (ovum), which develops into two children with the same genetic makeup, produces identical or monozygotic twins. Two eggs (ova) are fertilized by two sperm to create fraternal or dizygotic twins, which are two genetically distinct infants.How is identical twins formed?
When a single egg (zygote) is fertilized, identical twins (monozygotic twins) are produced. The egg then separates into two, producing genetically identical twins. If your twins are identical, you will have two girls or two boys because identical twins are always of the same sex.What is special about identical twins?
Identical twins have DNA that is 99.9% the same. They also have almost nearly identical brain wave patterns. But they do have different fingerprints and teeth marks! 22% of twins are left-handed as opposed to the 10% of singletons who turn out to be left-handed.Learn more about identical twins
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The visual examination of the fundus of the eye with an ophthalmoscope is known as?
Answer:
Ophthalmoscopy, also called funduscopy.
Ophthalmology is the virtual examination of the funds of the eye. It is the back part of an eye which is includes the optic , retina , chorod, and blood vessels.
Funduscopic examination is regular doctor examination of eyes not just ophthalmologist.It is exclusive inspection. It is exam your doctor, optometrist , uses to look into back of your eye. An otoscope is used to examine the ear canal and tympanic membrane.
The pupil is through which eyes interior will be viewed. pupil wide opening is simple and effective way to better see the structure.dilation of pupil with medicated eye drops before funduscopy.
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Subduction occurs when
Answer:
Subduction occurs when an oceanic plate runs into a continental plate and slides beneath it.
Explanation:
I hope this helps and have a good day!
The term ____________________ means the lack of muscle coordination during voluntary movement.
The term Ataxia means the lack of muscle coordination during voluntary movement.
Poor muscle control that results in awkward voluntary movements is known as ataxia. It might make it difficult to move your eyes, speak, or walk steadily. It might also make it hard to coordinate your hands. Ataxia is typically caused by injury to the cerebellum, which regulates muscular coordination, or its connections.Ataxia is typically brought on by damage to the cerebellum, a region of the brain, although it can also be brought on by injury to the spinal cord or other nerves. The spinal cord, which extends the length of the spine and connects the brain to every other part of the body, is a lengthy bundle of nerves.learn more about Ataxia here: https://brainly.com/question/16031045
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The common atrium is subdivided into a left and right atrium by an interatrial septum, which consists of two parts: the septum and the septum that partially overlap.
The common atrium is subdivided into a left and right atrium by an interatrial septum, which consists of two parts: the septum primum and the septum secundum that partially overlap.
What is septum primum and septum secundum?
The septum primum, which divides the right from the left, is a structure inside the primitive atrium. In the direction of the endocardial cushions, this septum descends. The foramen primum, a hole in this septum, keeps the blood flowing through the heart. The foramen secundum develops as the foramen primum shrinks in size.What is the purpose of septum secundum?
A muscular flap called the septum secundum plays a significant role in heart growth. It has a semi-lunar form and develops from the atrium's upper wall to the right of the septum primum and ostium secundum. It is crucial for the foramen ovale to close after birth.Learn more about septum secundum
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The correct question is -
The common atrium is subdivided into a left and right atrium by an interatrial septum, which consists of two parts: the septum ______ and the septum ______ that partially overlap.
Create a list of environmental factors that may affect the race of gas production in the aquatic plant in Model I. These factors could become variables in an experiment.
Environmental factors like light, temperature, water, humidity, and nutrition may have an impact on the aquatic plant's ability to produce gases.
Temperature, food, pollutants, population density, sound, light, and parasites are a few examples of environmental influences. Numerous other types of stress may have effects that are comparable to those produced by the variety of environmental factors that have been demonstrated to induce asymmetry.
Environmental factors have an impact on daily life and are a major contributor to health disparities between regions. Any biotic or abiotic component that affects living creatures is referred to as an environmental factor, ecological factor, or eco factor. The temperature outside, the amount of sunlight, and the pH of the soil and water where an organism dwells are examples of abiotic factors.
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Hemiplegia is the Group of answer choices paralysis of the side of the body that is contralateral to the injured brain region. paralysis of the side of the body that is ipsilateral to the injured brain region. loss of sensory feedback from the side of the body that is contralateral to the injured brain region. loss of sensory feedback from the side of the body that is ipsilateral to the injured brain region.
Hemiplegia is the paralysis of the side of the body that is contralateral to the injured brain region.
Hemiplegia is a condition brought about by brain damage or spinal cord injury that prompts loss of motion on one side of the body. That outcomes in a fluctuating level of weakness, stiffness (spasticity), and absence of control on affected side of the body. The effects of hemiplegia relying upon the area and degree of the injury. The definition comes from the Greek 'Hemi' = half.
Hemiparesis on the contralateral side of the body, since the corticospinal tract projects dominatingly to the contralateral side of the body. Harm to the right half of the mind influences the left half of the body, and harm to the left half of the cerebrum influences the right half of the body.
Loss of motion happens on the body inverse to the side of the brain in which the causal lesion happens.
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The function of sigma factor in bacteria is replaced by that of _____ in eukaryotes.
The function of sigma factor in bacteria is replaced by that of general transcription factors in eukaryotes.
General transcription factors along with RNA polymerase form the basal transcription apparatus that binds to promoters in eukaryotes to initiate transcription.
Sigma factor (σ factor or specificity factor) is a protein needed for initiation of transcription in bacteria. It is a bacterial transcription initiation factor that enables specific binding of RNA polymerase (RNAP) to gene promoters. It is homologous to archaeal transcription factor B and to eukaryotic factor TFIIB.
Sigma factor is an accessory protein to RNA polymerase in bacteria that helps the polymerase bind to the promoter region.
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