Anterior cerebral arteries:
The majority of the midline regions of the frontal lobes and upper medial parietal lobes of the brain are supplied with oxygenated blood by a pair of cerebral arteries, including the anterior cerebral artery (ACA).Middle cerebral arteries:
The largest of the three main arteries that supply the brain with new blood is the middle cerebral artery (MCA). The internal carotid artery is where it splits off. It provides blood to the frontal, temporal, and parietal lobes' lateral (side) regions.Where are anterior cerebral arteries present?
At the medial end of the lateral cerebral fissure, the internal carotid gives rise to the anterior cerebral artery (ACA). Above the optic nerve, it crosses the anterior perforated material medially and forward before beginning the longitudinal fissure.Where are middle cerebral arteries present?
The largest and second-to-last terminal branch of the internal carotid artery is the middle cerebral artery. It is the most frequently pathologically afflicted blood vessel in the brain and lodges in the lateral sulcus between the frontal and temporal lobes of the brain. It is also a part of the Willis circle.To learn more about Cerebral arteries visit:
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Hair texture is determined by the ____________of the individual hair strand. color strength length diameter
Answer:
Diameter of the individual hair
When sympathetic activation occurs, there is increased activity in the cardiovascular and respiratory centers of the ________.
When sympathetic activation occurs, there is increased activity in the cardiovascular and respiratory centers of the
Pons and medulla oblongata
What is sympathetic activation?
One of the three divisions of the autonomic nervous system, along with the parasympathetic and enteric nervous systems, is the sympathetic nervous system (SANS or SYNS). The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity.
The autonomic nerve system controls the body's automatic movements. The major function of the sympathetic nervous system is to activate the body's fight-or-flight response. However, in order to maintain homeostasis, it is continually active. The parasympathetic neural system, which drives the body to "eat and breed" before (then) "rest-and-digest," is said to be antagonistic to the sympathetic nervous system.
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In the case of a person who consumes a normal, balanced diet, proteins are essential to the body for all of the following except ________.
Production of energy
Other than fat and carbohydrate, one of the dietary macromolecules we acquire from our diet is protein. The small intestine totally breaks down proteins into amino acids after they have first been partially digested in the stomach.
What is a Balanced diet ?A balanced diet is one that includes a variety of foods in the right amounts and ratios to meet the body's needs for calories, proteins, minerals, vitamins, and other nutrients. A small portion of the diet is also set aside for extra nutrients to last through the brief period of leanness.
The small intestine absorbs amino acids, which are then transported to the bloodstream and taken up by body cells for usage in a variety of cellular and physiological activities.Learn more about Balanced diet here:
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In the context of nutritional status assessment, height, body weight, and body composition are frequently used?
Dietary assessors in the context of nutritional status assessment ,height , body weight and body composition are frequently used.It is important not only in study of associations between diet and health related outcomes but also for nutritional status of patients in clinical settings.
Anthropometry is the measurement of physical dimension such as height , body weight and composition of human body to provide information related to individuals nutritional status.
It involves the collection of information on food and drink consumed over specific time that is coded and processed to compute intakes of energy and nutrients or others dietary constituents using food composition tables.
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In Biology, a binomial name is:
A. A two syllable name used to identify the species of an organism.
B. A name given to an organism that has Bilateral symmetry.
C. A first name and last name, commonly used in the United States and other westernized cultures.
D. A two part naming system that consists of the Genus name and the Species name.
Answer:
The correct answer is answer D
In Biology, a binomial name is A two part naming system that consists of the Genus name and the Species name.
In biology, a binomial name, also known as a scientific name or Latin name, is a two-part naming system used to uniquely identify and classify species of organisms. This system follows the rules of binomial nomenclature, established by Carl Linnaeus in the 18th century, and is based on Latin or Latinized names.
The binomial name consists of two parts:
Genus Name: The first part of the name represents the genus to which the species belongs. The genus is a higher taxonomic rank that includes a group of closely related species. It is always capitalized and italicized (or underlined if handwritten).Species Name: The second part of the name indicates the specific species within the genus. It is written in lowercase and also italicized (or underlined if handwritten).For example, in the binomial name "Homo sapiens," "Homo" is the genus name, and "sapiens" is the species name. Together, these two names provide a unique and standardized way to identify and refer to a particular species.
The use of binomial names is essential for accurate and clear communication in biological sciences, as common names for organisms can vary across languages and regions. Binomial nomenclature ensures that scientists around the world can refer to the same species using a standardized and universally recognized naming system. It also reflects the evolutionary relationships among organisms, as species within the same genus are more closely related than those in different genera.
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Blood flowing into the heart from the venae cavae flows next through the ________ valve.
Blood flowing into the heart from the venae cava flows next through the tricuspid valve.
Our heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
Blood that passes superior vena cava and inferior vena cava empty blood into the right atrium. Blood flows through the tricuspid valve into the right ventricle. It then flows through the pulmonic valve into the pulmonary artery before being delivered to the lungs.
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Neural control of gfr is mediated by ________ that innervate ________ receptors on vascular smooth muscle causing ________
Neural control of GFR is mediated by Sympathetic neurons that innervate alpha receptors on vascular smooth muscle causing Vasoconstriction.
How is GFR regulated?The sympathetic division of the nervous system regulates the GFR or Glomerular Filtration Rate.GFR is the sum total of filtration rates of all the working nephrons in the kidney.Sympathetic division comes into action when the mean arterial pressure is very low (below 80mmHg).In response to low blood pressure, the medulla releases norepinephrine through sympathetic nerves.Norepinephrine leads to activation of alpha receptors on arteries which cause vasoconstriction.Alpha receptors are more abundant on afferent arterioles.This leads to vasoconstriction (narrowing) of arteries supplying to the glomerulus.This decreases blood flow to glomerulus, leading to decrease in GFR.Learn more about Glomerular Filtration Rate here:
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Much of the regulation of gluconeogenesis is a result of the inhibition of?
The suppression of glycolysis is responsible for a large portion of the control of gluconeogenesis.
Discussion about the statement:
The cytosol is the site of all glycolysis and gluconeogenesis processes. The rate at which glucose is produced in the body is inversely related to the intake of carbohydrates. The suppression of glycolysis is responsible for a large portion of the control of gluconeogenesis.
Fructose 2,6-bisphosphate is an intermediate that plays a crucial role in controlling both glycolysis and gluconeogenesis. This metabolite's presence can promote glycolysis and prevent gluconeogenesis.
Control of Gluconeogenesis and Glycolysis
At various crucial stages of glycolysis and gluconeogenesis, metabolic control takes place. The catalysts that accelerate each of these stages can be activated or inhibited by outside forces, for example, the quantity of a molecule that comes after. The conversion of glucose and ATP into glucose 6-phosphate is the first controlled step in glycolysis. Keep in mind that hexokinase catalyzes this process. High levels of blood glucose, AMP, and low levels of cellular ATP all trigger the activation of hexokinase. In other words, the glycolysis process is enhanced when blood glucose levels are high. Whenever cellular ATP levels are low and AMP levels are high, glycolysis is also increased. Both of these instances show that the cell is short on energy and may be directly influenced to create additional energy.Learn more about glycolysis here:
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The ______ of a prokaryotic cell is the region that contains the dna, some rna, and a few proteins.
The "nucleoid" of a prokaryotic cell is the region that contains the DNA, some RNA, and a few proteins.
What is prokaryotic cell?Prokaryotes are creatures without a nucleus or other organelles in their cells. Bacteria and archaea, two separate groupings of prokaryotes with allegedly independent evolutionary histories, are separated into.
The majority of prokaryotes are tiny, single-celled creatures with a straightforward structure.
Some key features of prokaryotic cell are-
Prokaryotic cells lack intrinsic membrane-bound organelles in their cytoplasm, while being enveloped by a plasma membrane. Prokaryotes differ from eukaryotes, another type of creatures, in that they lack a nucleus as well as other membrane-bound organelles.One circular DNA molecule, or chromosome, makes up the majority of the genetic material carried by prokaryotes. Prokaryotes have a nucleoid in the center of the cell that houses the DNA but is not protected by the nuclear membrane.To know more about prokaryotic cells, here
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What is the composition of the tracts in the cns that link the brain with the rest of the body?
Tracts in the CNS that link the brain with the rest of the body are composed of sensory and motor pathways.
Neural pathways called tracts can be found in the brain and spinal cord (central nervous system). Each tract runs bilaterally, either in a hemi section of the spinal cord or on each side of the cerebral hemisphere. A few of the tracts decussate, or crossover, to move downward or upward on the obverse side.Neurons synapsing onto one another create tracts, and based on where and how they are arranged inside the tract, these neurons can be categorized as first-order, second-order, or third-order neurons.Sensory neurons and motor neurons are both a part of the peripheral nervous system (PNS), which is made up of neurons and neuronal fragments outside of the central nervous system. Motor neurons transport messages from the CNS while sensory neurons bring signals into the CNS.learn more about CNS here: https://brainly.com/question/2114466
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Miotic apparatus is formed during _____ of cell division.
Mitotic apparatus is formed during prometaphase/metaphase of cell division.
A kind of cell division known as mitosis occurs when a single cell (the mother) divides into two genetically identical daughter cells. Mitosis, when referring to the cell cycle, is the stage of cell division during which the DNA in the cell's nucleus is divided into two identical sets of chromosomes.The term "spindle or mitotic apparatus" in cell biology refers to the cytoskeletal framework that arises in eukaryotic cells during cell division to divide sister chromatids into separate daughter cells.A microtubule-based device called the mitotic spindle apparatus is in charge of chromosomal segregation during cell division. In the spindle, microtubules are categorized based on how they interact with one another at their plus ends.learn more about Mitotic apparatus here: https://brainly.com/question/14155742
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