When too little carbohydrate is consumed in a person’s diet amino acids are used to make glucose.
When a person is on diet and the intake of carbohydrates is too low, the body starts to make glucose using amino acids. The body breaks the protein into amino acids and then the liver converts the amino acids into glucose through a chemical reaction known as gluconeogenesis.
The body also starts to burn fat to produce energy. This burning of fats leads to the formation of ketones in the body.
When a body is low on sugar, a person starts to experience Hunger
Shakiness, Dizziness, Confusion, Difficulty speaking, Feeling anxious.
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The side of a limb that lies parallel to the median plane but is farthest from that plane is the limbs ___ surface.
The side of a limb that lies parallel to the median plane but is farthest from that plane is the limbs lateral surface.
What is a lateral radiographic view?A second perspective that is typically acquired during a diagnostic assessment is the lateral view. Depending on where the imaging tube and detector are positioned, a lateromedial view (LM) or a mediolateral view (ML) can be achieved.
It describes areas of the body that are further from the centre in terms of medicine. The hand, for instance, is far from the shoulder. Distal to the wrist is the thumb. The opposite of proximal is distal. Distal denotes separation, whereas proximal denotes closeness. The midline defines the right and left sides of body components. Consider the right arm and leg. Body components that are contralateral to the midline.
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Slowing signals between neurons is a function of __________. a. excitatory receptors b. excitatory neurotransmitters c. inhibitory receptors d. inhibitory neurotransmitters please select the best answer from the choices provided a b c d
Answer:
b excitatory neurotransmitter
Answer: D
Explanation:
i took the test
A neuron with an excitatory center-inhibitory surround receptive field will respond most when we stimulate _____.
A neuron with an excitatory center-inhibitory surround receptive field will respond most when we stimulate only the center
What does a neuron's receptive field look like?The area of the sensory world where a neuron's receptive field is located is where an appropriate stimulation can either raise (excitatory) or reduce (inhibitory) a neuron's activity. The region of the retina known as a retinal ganglion cell's receptive field is where light stimulus alters the cell's response or firing rate.
a reduction in receptor sensitivity even while a stimulus is present.
Additionally called hypercomplex cells. cell of the visual cortex with a strong inhibitory field at one end of its field that reacts best to stimuli of a very specific type anywhere in a broad receptive field. The locations of these cells are in V1 and V2. Their receptive field is the biggest.
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Before b cells secrete antibodies they differentiate into:___.
a. stem cells
b. antigen presenting cells
c. plasma cells
d. macrophages t cells
B cells develop into plasma cells before secreting antibodies.
What exactly are plasma cells and what do they do?Distinguished B-lymphocyte white blood cells called plasma cells are able to secrete immunoglobulin, or antibody. These cells, which are the primary cells in charge of humoral immunity, play a crucial part in the adaptive immune response.One class of immunoglobulin and one type of antibody can only be produced by plasma cells.Where may one find plasma cells?The bone marrow, where blood cells are created, contains plasma cells. In typical bone marrow, few plasma cells are present. The bone marrow of a person with multiple myeloma frequently has a large number of aberrant plasma cells (myeloma cells). Plasmacytomas are bone tumours that can develop from myeloma cells.
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What are the differences in the way lipids are found or function in plants and animals?
Lipids are stored as triacylglycerols and waxes on both animals and plants
What is lipids ?Lipid can be described as an organic compound that is not soluble in water. lipid is an essential component that is needed for proper functionality in both plants and animals.
In plants, lipids help provide lots of energy that is needed for different metabolic processes that goes on in the plant. Lipids also help fight off pathogens in plants
In animals, lipids also serve as an energy source and they help in the regulation of the different hormones present in the body. Lipid also help signal important molecules when they are required in the body and they also help in the proper digestion of food molecules.
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Identify the reasons why meiosis leads to significant genetic variation while mitosis does not. select the two correct reasons.
Please be rightly informed that meiosis leads to significant genetic variation while mitosis does not simply because
Meiosis produce chromosomes and crossing over provide a large amount of genetic variation.Meiosis produces a unique combination of genes.Option b and c are the two correct answer
This is possible simply because there is an independent assortment of the genetic materials which contains a unique and different combination of genes
What is cell division?Living organisms be it plants or animals need to produce new cells for replacement, growth and development and other life processes, the process by which all these occur is known as cell division.
However, the functions and importance of cell division cannot be overemphasized as it helps greatly in
Formation of gamatesReproductionGrowth formation.So therefore, meiosis leads to significant genetic variation while mitosis does not simply because
Meiosis produce chromosomes and crossing over provide a large amount of genetic variation.Meiosis produces a unique combination of genes.Complete question:
Identify the reasons why meiosis leads to significant genetic variation while mitosis does not. select the two correct reasons.
a. Meiosis produces the same combination of genes.
b. Meiosis produce chromosomes and crossing over provide a large amount of genetic variation.
c.Meiosis produces a unique combination of genes.
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Do you know how to do this?
all you have to do is read the question then try to do it because some people don't read the question. They question when they are confused all the time now read the question and it will make more easy.
Which brain structure receives information from all the senses except smell? hippocampus amygdala pons thalamus
Brain structure that receives information from all the senses except smell is known as the thalamus.
Thalamus is a central, egg-shaped region in the human brain. It serves as a relay station including all incoming listening, taste, vision, and sensation (but not smell) sensory inputs from the body to the brain.
A specialized brain structure located deep within the temporal lobe is the hippocampus. It plays a significant part in memory and learning. It is a flexible and delicate structure that is responsive to many stimuli. According to studies, it is also impacted by a number of neurological and mental problems.
It is generally accepted that the amygdala serves as the hub of a brain system for processing scary and frightful inputs. Pons manages tasks and unconscious functions like breathing and the sleep-wake cycle.
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Some biological anthropologists analyze human remains to provide legal evidence. this special type of anthropology is known as:__________
forensic anthropology
Some biological anthropologists analyze human remains to provide legal evidence. this special type of anthropology is known as forensic anthropology
What is Forensic anthropology?
Forensic anthropology, or the study of human remains, has an unique subfield called forensic anthropology, which uses archaeology and bone analysis to solve crimes.In criminal cases, forensic anthropologists frequently examine human remains:strategies for identifying people.Analyzing and cataloging human skeletal remains.evidence gathering.crime scene investigation.archaeological techniquesexcavation of forensic and archeological human graves.What is a forensic anthropology case study?Forensic anthropologists also research the living, identifying specific criminals from surveillance footage, figuring out people's ages to determine their responsibility for crimes, and figuring out the ages of subadults in seized child p_rn.To learn more forensic anthropology visit:
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Many bacteria have overcome the difficulty of iron uptake by secreting low molecular weight iron-binding proteins called?
Answer:
Many bacteria have overcome the difficulty of iron uptake by secreting low-molecular, weight iron-binding proteins called Siderophores.
Explanation:
Siderophores keep a high affinity for iron chelating compounds. They are mostly secreted by microbes like bacteria, fungi, and grasses. Iron is very important for living organisms because of its involvement in many metabolic pathways. The surface iron has been oxidized by the aerobic atmosphere into an insoluble hydroxide polymer and thus the level of free oxygen gets reduced. Thus, microorganisms use such systems for the uptake of sufficient iron. The complexes of siderophores and iron are taken to the cells by the receptors. These are then encoded and in operons by five genes which are then turned off when a sufficient amount of iron is taken to the cell.
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Assume that the concordance value for a particular trait is 85or both monozygotic and dizygotic twins. what can be concluded about this trait?
If the concordance value for a particular trait is 85% for both monozygotic and dizygotic twins. We can conclude about this trait that it is likely caused almost exclusively by environmental factors.
What is Concordance?Concordance, in genetics, is the probability that a pair of individuals will have a certain characteristic (phenotypic trait) given that one of the pair has the characteristic. Twins are said to be concordant when both have or both lack a given trait. Studies have shown that genetic traits of monozygotic twins are fully concordant, whereas in dizygotic twins, half of genetic traits are concordant, while the other half are discordant.
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Olfactics, or your sense of ______, operates subtly but powerfully to influence your reactions to other people.
Olfactics, or your sense of smell, operates subtly but powerfully to influence your reactions to other people regarding environmental stimuli to different factors.
What is the olfactory epithelium?The term olfactory epithelium makes reference to the smell sense, which depends on specialized cell receptors that cover the cells in the airways and help to sense different small in nature as well as to trigger responses depending on these environmental stimuli.
In conclusion, olfactics, or your sense of smell, operates subtly but powerfully to influence your reactions to other people regarding environmental stimuli to different factors.
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How does the chemical disequilibrium of ions across the membrane create an electrical disequilibrium
The inside of cells is slightly negative relative to the extracellular fluid. This ionic imbalance causes the chemical disequilibrium of ions across the membrane create an electrical disequilibrium.
What is Chemical disequilibrium?Chemical disequilibrium is when a solute is more concentrated in one of the two compartments of body than the other. Examples of solutes that exist in chemical disequilibrium state are Sodium, Potassium and Calcium.
What is Electrical disequilibrium?The ionic imbalance or uneven distribution of ions between the ICF and ECF is called Electrical disequilibrium. ECF is more positive, ICF is more negative.
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Which cell structure is an important component in modern genetic engineering techniques?
a) ribosomes capsules
b) plasmids inclusions
c) mesosomes
Cellular respiration harvests the potential energy stored in ______ and uses the energy to make atp.
Cellular respiration harvests the potential energy stored in foods such as glucose and fatty acids and uses the energy to make ATP, which is later used by the life forms for the different processes.
What is the significance of the stored energy in food?There is energy present in various foods, such as carbohydrates, which have less energy than lipids, so when carbohydrates are consumed, the person receives different energy than that of fats, and these energies are used in the body. The body uses cellular respiration, and in the presence of oxygen, the cell breaks down the food via glycolysis, the Krebs cycle, and ETC processes to extract the majority of the ATPs from food.
Hence, cellular respiration harvests the potential energy stored in foods such as glucose and fatty acids and uses the energy to make ATP, which is later used by the life forms for the different processes.
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Which membrane transport mechanism requires the greatest amount of energy? active transport facilitated diffusion simple diffusion passive transport
Active transport is the membrane transport mechanism that requires the greatest amount of energy.
Active transport is the movement of molecules against the concentration gradient across a cell membrane from a location of lower concentration to a region of greater concentration. Cellular energy is needed for active transport in order to achieve this movement. Because it enables the cell to move chemicals against the concentration gradient, active transport is significant. Even though a substance's concentration is higher inside a cell than it is outside, cells can still take it in.
Exocytosis and endocytosis, two membrane transport processes that require energy expenditure, are both included in active transport. Simple diffusion, passive transport, and facilitated diffusion are all metabolically inert processes.
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Darwin called the units of inheritance that pass traits from parents to offspring.
Darwin called the units of inheritance that pass traits from parents to offspring gemmules.
Charles Darwin proposed the pangenesis theory to describe the units of inheritance between parents and offspring. The minute particles of inheritance that are derived from parent cells were referred to as gemmules. His theory suggested that these gemmules can be modified in any part of the body and are transferred into the reproductive organs of the parents. The gemmules then are transferred to the offspring.
As of now, Charles Darwin's theory is replaced by the chromosomal theory of inheritance, and the concept of gemmules is replaced by that of genes. A theory of inheritance of acquired characteristics (IAC) was further considered by Darwin from which he explained the concept of gemmules.
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A commensal bacterium?
Answer
Commensal bacteria stimulate the immune system of the host to enhance defense mechanisms that block pathogen entrance and colonization. Moreover, by creating antimicrobial properties and signals & fighting with other bacteria for food and attachment sites, such bacteria might effectively limit the spread of respiratory infections. In healthy animals, the majority of commensal bacteria live inside the intestine's lumen, although some are also found in immediate contact with the intestinal epithelium. New studies have shown that commensal bacteria may live in stable stomach lymphoid tissues. But every once in a while, especially when they travel to other areas and leave their natural habitat, these commensal bacteria might cause illness. In both old and very and also in young persons, it can spread throughout the rest of the body, causing pneumonia, infection, and meningitis.
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Sodium losing an electron is an ________ process and fluorine losing an electron is an _______ process.
endothermic process, endothermic process
Both the removal of an electron from sodium and the removal of an electron from fluorine are endothermic processes. Ionization enthalpies are always positive because removing an electron from an atom always requires energy. It is always an endothermic process.
Endothermic processes:
Heat transfer from the environment to the systems is an endothermic process. As a result, the system has absorbed heat from the environment. An endothermic process has a positive delta H change in enthalpy. Ice cube melting is one instance.
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2. (a) Identify the range diagram above in which most of the species population is found. Explain why this is the case:
________________________________________________
(b). Describe the greatest constraints on an organism's growth and reproduction within this range: ________________________________________
What would be the benefit of a controlled lab experiment versus an observational field study? what are the benefits of using a model?
The fundamental benefit of conducting experiments as opposed to observational research is that a well-conducted study may provide solid proof that the intervention actually produced the desired outcome. Two or more groups may be compared in an experiment.
What distinguishes an observational research from a controlled experiment?In an observational research, participants are measured or surveyed without any attempt to influence them. In a controlled experiment, participants or objects are divided into groups, and one group is given a treatment while the other is not.
Strength: Due to the natural environment of a field experiment, behaviour is more likely to represent actual life, giving it better ecological validity than a lab experiment.
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What is the main idea of this text?
Shirley Chisholm was born in Brooklyn, New York and was the child of two immigrants, and she excelled on her debate team early on in her life.
Shirley Chisholm spent her political career fighting for the rights of women, people of color, and poor people in many different political seats, even though she didn’t win the Presidential nomination for the Democratic party.
When Shirley Chisholm ran for President, many other Democratic candidates encouraged her to step down because they said she wasn’t a “serious” candidate.
Shirley Chisholm ran for the New York State Legislature and represented her district in Brooklyn, and she proposed bills to increase funding for daycare and schools.
The main idea of this text is that Shirley Chisholm, a trailblazing African American politician (1924–2005), started her career as a teacher. Chisholm was the first African American elected to Congress in 1968. She served on the Education and Labor Committee and was instrumental in establishing the Black Caucus.
She once more made history in 1972 when she ran for president as the first Black woman of a major party. Chisholm left from politics after spending seven terms in the House to pursue a career as a teacher and public speaker.
As the first Black congresswoman, Chisholm began her first of seven terms in office in 1969. She stunned many by asking transfer after initially being placed to the House Forestry Committee. .
When Chisholm sought the Democratic candidacy in 1972, she became the first African American woman to run for president of the United States. Throughout her time in Congress, Shirley Chisholm advocated for equal access to education and jobs for minorities while simultaneously speaking out against the draft. She left Congress in 1983 and became well-known on the lecture circuit while teaching at Mount Holyoke College.
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One of the serous membranes is thicker than the other serous membranes and contains a lot of fat. which membranes so you think is thicker and why?
Golgi membrane is thick because membrane thickness play a key role in protein function .
What is serous membrane and its function?Serous membrane is a smooth tissue membrane of mesothelium lining the content and inner walls of body cavities, which secrete serous fluid to allow lubricating sliding movement between two surfaces.
Serous fluid lubricates the membrane and reduces the friction and abrasion when organs on the thoracic or abdominopelvic cavity move against each other or the cavity wall.
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Imagine that, of three species, it is known that species 1 and 3 were separated 10 million years ago, based on geologic measurements. Genetic analysis at a neutral locus indicates that these species differ by 100 substitutions. If there are 10 substitutions separating species 1 and 2, approximately how long ago did these species diverge?.
(C) 1 million years ago is the approximate time that the species diverge. This is because Genetic analysis at a neutral locus indicates that these species differ by 100 substitutions. If there are 10 substitutions separating species 1 and 2.
Divergence in evolutionary biology refers to an evolutionary process in which a population of an inbreeding species splits into two or more descendant species that have progressively diverged in their morphologies and structural characteristics.
The difference between species 1 and 3 is 100 substitutions, and humans split off 10 million years ago. As a result, there will be 10 substitutions in a million years. As a result, 1 million years ago, species 1 and 2, which are divided by 10 substitution, diverged.
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Question correction:
Imagine that, of three species, it is known that species 1 and 3 were separated 10 million years ago, based on geologic measurements. Genetic analysis at a neutral locus indicates that these species differ by 100 substitutions. If there are 10 substitutions separating species 1 and 2, approximately how long ago did these species diverge?
A. 0.1 million years ago
B. 10 million years ago
C. 1 million years ago
D. 100 million years ago
The _____ nervous system conserves energy, while the sympathetic nervous system consumes energy.
The nervous system conserves energy, while the sympathetic nervous system consumes energy.
What is the nervous system?The nervous system is an organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses and initiates actions.
The nervous system can either be the following;
SympatheticParasympatheticThe sympathetic nervous system is a part of the autonomic nervous system that raises blood pressure and heart rate, constricts blood vessels, and dilates the pupils when under stress.
On the other hand, the parasympathetic nervous system is one of the divisions of the autonomic nervous system, based between the brain and the spinal cord, that slows the heart and relaxes muscles.
This suggests that the parasympathetic nervous system conserves energy because it slows the heart while the sympathetic nervous system consumes energy.
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Which sequence of structures correctly indicates the direction in which an electrical signal is carried in a typical multipolar neuron?
The sequence of structures that correctly indicates the direction in which an electrical signal is carried in a typical multipolar neuron is- dendrites, cell body and axon.
A typical multipolar neuron consists of dendrites, cell body and axon. the electric signal in the neurons are first received by the dendrites that are the branching structures arising out of the cell body.
Cell body is the main part of the neuron which have the nucleus and other cell organelles. The electric signal are passed from the dendrites to the cell body.
From cell body the signal reaches the axon through the axon hillock. Axon transmits the signal to the other cell either in the form of chemical or electrical signal.
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_____ tissue covers external and internal surfaces.
a. nervous
b. connective
c. epithelial
d. muscle
Epithelial tissue covers external and internal surfaces.
In the field of science, epithelial tissue can be described as the tissues which line the internal surfaces of organs and cover the external surfaces in the body of an organism. Hence, the correct option is c. epithelial tissue.
The epithelial tissues of the body perform various functions such as protecting the other body tissues. There are certain epithelial tissues present in the glands which aid in the secretion of various enzymes and hormones. They also aid in the absorption of materials in the liver and lung cells. They help in the process of excretion by producing sweat. They also help the kidneys in filtering blood.
Option a is not correct because nervous tissues are in the interior of the body.
Option b is not correct because connective tissue covers the internal organs but it is not present in external surfaces.
Option d is not correct because muscle tissues are present in the interior of the body, not the exterior.
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1. Your classmate has asked you to be their partner in the lab. You are taking notes while your partner tells you what they see. Your assignment is to check off as many parts of the cell as possible to indicate that you have found them. Your partner says, "I see something that looks like sheets or discs layered on top of one another with little bumps all over it." Which of the following do you check off?
A. rough Endoplasmic reticulum
B smooth Endoplasmic reticulum
C ribosomes
2. cellular metabolism involves many types of chemical reactions that occur in a ____ sequence.
A specific
B random
3. _______ mechanisms allow for the cell to control which larger molecules move into and out of the cytoplasm.
A. osmosis
B. diffusion
C. active transport
The answers include the following:
Sheets or discs layered on top of one another with little bumps all over it means it is a rough endoplasmic reticulum and is denoted as option A. Cellular metabolism involves many types of chemical reactions that occur in a specific sequence and is denoted as option A.Active transport mechanisms allow for the cell to control which larger molecules move into and out of the cytoplasm and is denoted as option C.What is Cellular metabolism?This refers to the series of reactions which takes place in cells of organisms to ensure biological functions are fulfilled.
Most reaction which takes place are enzyme catalyzed which are specific in action and there is also random reactions but it rarely takes place.
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Ollowing a disturbance, the climate of an area will always lead to repopulation by the same animal, plant, fungus, and bacterial species, a group collectively referred to as a(n) __________ community.
The climate of an area will always lead to repopulation by the same animal, plant, fungus, and bacterial species, a group collectively referred as Climax Community.
What is climax community?
A community of plants, animals, and fungi that have attained steady state through the process of ecological succession in the growth of the vegetation in an area over time is referred to in scientific ecology as a climax community or climatic climax community.
Because the climax community is made up of species that are best adapted to the region's typical conditions, it was believed that this equilibrium would emerge.
The climax community's species composition doesn't change since all of the existing species are able to reproduce, whereas invasive species are unable to establish a presence. The climax stage is not entirely permanent since ecological processes, evolutionary processes, and climate changes all alter the environment over extremely long stretches of time.
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Which side of the cerebellum is concerned with movements of the right hand?
The right side of the cerebellum is concerned with movements of the right hand.
Cerebellum is located at the backside of the brain. Almost 50% os the nerve cells are present in the cerebellum area of the brain. The functions that the cerebellum regulates are: motor skills. movement, coordination, posture, equilibrium and balance.
The hand is the appendage of the body that emerges from the shoulder and consists of the forearm, the upper arm, the palm and the fingers. Although, the palm and the fingers are specifically referred as hands. The upper arm and the forearm together from the arm region.
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