Looking like leafless branches of a tree, the dendrites are the primary receivers of signals, although the soma also receives signals directly.
Primary receivers of signals from other neurons:In order to enhance the surface area of the cell body, dendrites, which resemble tree-like extensions, are found at the beginning of neurons. These little protrusions relay electrical stimulation to the soma and take in information from neighboring neurons. Synapses are also found on dendrites.
Along its axon, the signal that is sent to other neurons travels. Even though a neuron may contain millions of dendrites, it will only have one axon. Axon terminals, the fourth separate component of a neuron, are located at the tip of the axon.
Synaptic connections between neurons allow for the transmission of signals in the form of chemical messengers. Action potentials, a type of electrical event, and chemical neurotransmitters are two ways that neurons can communicate with one another.
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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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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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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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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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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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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!
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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The cell body of a neuron contains the?
Answer:
the nucleus..
The cell body is the spherical part of the neuron that contains the nucleus and connects to the dendrites, which bring information into the neuron, and the axon, which sends information to other neurons.
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All cells in __________ epithelium reach the basement membrane, but only cells that reach the free surface have cilia.
All cells in the ciliated columnar epithelium reach the basement membrane, but only cells that reach the free surface have cilia.
What is an epithelium?An epithelium is a specialized layer of cells that play different roles in the organism (e.g., transport of substances, digestion, etc).
Epithelia are one of the four types of tissues that form the body, which also include connective tissue, muscle tissue, and nervous tissue.
The ciliated columnar epithelium is a special class of epithelium that contain cilia that are used to move substances across their cellular surfaces.
In conclusion, all cells in the ciliated columnar epithelium reach the basement membrane, but only cells that reach the free surface have cilia.
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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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The purpose for the delay in the conduction of the action potential from the AV node to the bundle branches of the ventricles is to allow ______, before the ventricles contract.
The purpose of the delay in the conduction of the action potential is to allow the atria to complete their contraction, before the ventricles contract.
What are the atria?The atria are two different heart sections/chambers located at the upper region of the heart.
The atria play a fundamental role during the during heart cycle, i.e. they act as blood reservoirs in the systole.
In conclusion, the purpose of the delay in the conduction of the action potential is to allow the atria to complete their contraction.
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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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Which amino acid and which atom has most to do with myoglobin’s ability to bind o2?.
I need help sooo much. I really appreciate it
Answer:
D
is the answer because as you see the percentage increase
Answer:
900
\
Explanation:
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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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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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:
The ______________________ picks up whole and partial neurotransmitters from the synaptic gap and brings them into the terminal button, where other structures recycle these neurotransmitters for future use.
The vesicles pick up whole and partial neurotransmitters from the synaptic gap and bring them into the terminal button, where other structures recycle these neurotransmitters for future use.
Within the presynaptic terminals is where the synthesis of the small-molecule neurotransmitters takes place. A process known as slow axonal transport is responsible for moving enzymes from the neuronal cell body to the cytoplasm of nerve terminals at a rate of 0.5–5 millimetres each day. These enzymes are necessary for the production of transmitters and are produced in the neuronal cell body. Transporter proteins, which are typically located in the plasma membrane of the nerve terminal, are the ones responsible for bringing the precursor chemicals that these synthetic enzymes use into the terminal. Enzymes produce a neurotransmitter pool in the cytoplasm, which must then be loaded into synaptic vesicles using transport proteins in the vesicular membrane. Within the synaptic vesicles, the final synthetic steps of the production of certain small-molecule neurotransmitters are actually carried out.
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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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In cell signaling, after a signal is sent, _______\.\* 2 points a. some activity in a target cell changes b. signal molecules bind to receptors on target cells c. mitosis begins d. signal transduction is turned off
In cell signalling, after a signal is sent, signal molecules bind to receptors on target cells and some activity in a target cell changes.
There are three stages in cell signalling :
1. The process of reception occurs when a signalling molecule from the extracellular environment is recognized by a cell. The chemical signal, which is also known as a ligand, is recognized as a signal when it attaches to a receptor protein either on the exterior of the cell or on the interior of the cell.
2. Transduction: This process occurs when the signalling molecule interacts with the receptor, which causes a change in the protein that makes up the receptor. The process of transduction is kicked off by this modification. In most cases, signal transduction occurs through a pathway that consists of numerous stages. The signal transduction route contains relay molecules, each of which influences the subsequent molecule in the pathway.
3. Reaction: In the third and last step, the signal causes a certain cellular response.
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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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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
6. Many people have fish in an aquarium.
Discuss with a classmate how an
aquarium is not a real ecosystem. Be sure
to identify what parts of an ecosystem are
missing. Would it be possible to design
and build an aquarium as an ecosystem?
Explain your answer.
Answer:
it's is not an ecosystem as it is artificially build all the necessary supplements to support aquatic life is supplied by humans
What is the outcome of amino acids if someone overeats protein and calories in general?
The outcome of amino acids if someone overeats protein and calories in general is "the amino acids are stored as fat".
What is amino acid?Amino acids are molecules that combine to form proteins. Amino acids and proteins are the building blocks of life.
You need amino acids for vital processes such as building proteins, hormones, and neurotransmitters.
Amino acids are concentrated in protein-rich foods such as;
meat, fishegg soybeans, etcWhat are calories?Calorie is a unit of energy. This derived from eating energy giving foods.
Excess calories in the body is often store d as fat.
Thus, the outcome of amino acids if someone overeats protein and calories in general is "the amino acids are stored as fat".
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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 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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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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There is general agreement that species classified as Homo should share all of these characteristics EXCEPT
Large brain size, small and flat face, small jaws and teeth, exploitation of diversity are some common features of homo species. Different homo species have different shapes of skulls.
Homo, genus of the family Hominidae (order Primates), is distinguished by a relatively large cranial capacity, limb structure adapted to a habitual erect posture and a bipedal gait, well-developed and fully opposable thumbs, hands capable of power and precision grips, and the ability to make standardized precision tools by combining one tool with another.
Different Homo species are differentiate from skull shapes. Their body shapes also tends to vary. This is due to different environment conditions in different time zones.
However, Homo species show many common characteristics such as Large brain size, small and flat face, small jaws and teeth.
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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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