One day after a biology class four of your friends argue about the difference between phylogeny and systematics. Which friend is right
Friend A states that systematics and phylogenies are really the same, one is more recent than the other, but basically they are the same.
What is Phylogeny ?Phylogeny is the study of the evolutionary development of groups of organisms. The relationships are hypothesized based on the idea that all life is derived from a common ancestor.
What is Systematics ?Systematics is the study of classification of organisms into kingdom, both past and present, and the relationship between living organisms. Solve any question of The Living World with:- Patterns of problems.
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Identify the highlighted artery. Identify the highlighted artery. right coronary marginal circumflex left coronary
Highlighted artery is right coronary.
What is artery?The blood channels that carry oxygen-rich blood from the heart to the body's tissues are called arteries. Each artery consists of three layers and is a muscular tube bordered by smooth tissue. The endothelium, a smooth tissue, lines the intima, the inner layer.Blood is transported from your heart through arteries.All body parts have arteries, with the exception of the hair, nails, epidermis, cartilages, and cornea. In the limbs, they run along the flexor surface, where they are less vulnerable to injury, and the larger trunks typically occupy the most protected positions.A conduit that carries blood from the heart to the body's extremities is called an artery. Every artery, with the exception of the pulmonary artery, carries oxygenated blood. The ascending aorta, aortic arch, thoracic aorta, and abdominal aorta are the four divisions of the aorta, which is the biggest artery in the body.
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A scientific law is a statement of fact that describes an action or set of actions. Laws are accepted as fact because they are always observed to be true. Examples of scientific laws are Newton's laws of motion. These laws describe the motion of moving objects. a) Give an example of a scientific law you have studied or heard of. b) How do you know that this is a law in scientific terms? Read through the definition of law in the question above.
Answer:
A and B
Explanation:
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A _____ is a series of steps used to determine solutions based on needs and wants.
A Scientific method is a series of steps used to determine solutions based on needs and wants.
What is needs assessment?A needs assessment is a process that bridges the gap between an organization's current state and the desired conditions. It is a systematic procedure for identifying and addressing performance gaps as well as repairing any defects that may occur in an organization.
What are the six steps of the scientific method?Describe the issue :Observation with intentresearch : learn more about the subjecteducated guess : hypothesis forecast the outcome of the problemexperiment :Create a procedure for testing the hypothesis.analyze :Keep track of the experiment's outcomes.conclusion : compare the hypothesis to the results of the experimentWhat are the Characteristic Features of Scientific Methods?Students learn to identify and formulate scientific problems correctly and in an organized manner using scientific methods.Students are trained in information processing techniques using scientific methods.Scientific methods help students develop the ability to think critically and rationally, allowing them to make decisions on logical and rational grounds.Learn more about steps of Scientific methods:
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Looking like leafless branches of a tree, the _____ are the primary receivers of signals from other neurons, although the _____ also receives signals directly.
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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Miller is giving a lecture on the theories of aging. She explains that genetics, diet, lifestyle, activity, and exposure to pollutants all play a role in the aging process, and suggests that overall processing speed declines in the peripheral nervous system affecting your brain's ability to communicate with your muscles and organs. Dr Miller is trying to explain the ________.
According to the theories of aging, Dr Miller is trying to explain the peripheral slowing hypothesis.
What is the peripheral slowing hypothesis?It states that people age because their nervous system's processing accumulates damage from the wear and tear of everyday life, and erodes the normal biochemical activities that occur in cells, tissues, and organs.
The nerves of the brain wear out naturally, directly affecting the mitochondria that provide energy for all cellular activities.
Therefore, we can conclude that Dr Miller is trying to explain the peripheral slowing hypothesis suggests that overall processing speed declines in the peripheral nervous system.
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A____is a musculoskeleteal injury in which there is a partiral or temporay seperation of the bone ends as well as partial tretdhcing or teaing of the supporting ligamentes
Dislocations is a musculoskeletal injury in which there is a partial or temporary separation of the bone ends as well as partial tearing of the supporting ligaments .
4 types of musculoskeletal injuries includes repetitive strain injuries (RSIs), repetitive motion injuries, cumulative trauma disorders (CTDs), work-related upper limb disorders (WRULDs).
Most common type of musculoskeletal injury is Muscle Strains, back pain, and arthritis . Muscle strains can happen due to improper technique of lifting heavy objects, lifting too much weight at one time, and repetitive movements. The key symptoms of a muscle strain are sudden pain that worsens while contracting the muscle, swelling and bruising, loss of strength and range of motion. People often report the sensation of pain as the feeling of being "stabbed." When muscle is initially injured, significant inflammation and swelling occurs.
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What are the biggest advantages of natural gas as a fuel source?
Due to its cleaner combustion, natural gas is the most environmentally safe fossil fuel. Natural gas doesn't have as many toxic combustion byproducts as other fossil fuels.
Natural gas is adaptable. Starting and stopping a gas-fired power plant is substantially faster than one that burns coal. Due to its flexibility, it complements renewable energy sources like solar and wind, which are only usable when the sun is out and the wind is blowing.When burned to produce power, natural gas is the cleanest-burning hydrocarbon, releasing about half as much carbon dioxide (CO2) and only one-tenth as much air pollutants as coal. By switching to natural gas from coal, there is a significant opportunity to cut CO2 emissions and air pollution in the near future.Because Natural gas is now so widely accessible through LNG, it can assist nations in coping with short-term supply interruptions.learn more about Natural gas here: https://brainly.com/question/4677279
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Hall KT, Loscalzo J, Kaptchuk TJ. Genetics and the placebo effect: the placebome. Trends Mol Med 2015;21:285-94.
Placebo responses greatly influence ordinary clinical outcomes, making placebo controls essential in randomized clinical trials (RCTs).
What are the placebome, or genetics, and the placebo effect?
Recent research in neurophysiology reveals the neurotransmitter networks that control placebo effects. It is possible to use genetic screening to identify placebo responders, which would boost the efficiency of RCTs and enhance therapeutic treatment. This is supported by evidence that genetic differences in these pathways can alter placebo effects. Additionally, the design of RCTs should take into account any potential interactions between the molecular pathways of the medicine and the placebo. The placebome, a study of the genetic influences on placebo response, is still in its infancy. Here, we evaluate data from placebo trials and RCTs to pinpoint putative genes in the placebome, look into data for interactions between placebo and drugs, and discuss implications for clinical care and RCTs.
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Which statement is true about visible light from the sun?
Group of answer choices
a.)it is only a small part of the electromagnetic spectrum of wavelengths
b.)it is the largest part of the electromagnetic spectrum of waves
c.)all other wavelengths on the electromagnetic spectrum are part of visible light
The answer choice which is true about visible light is it is only a small part of the electromagnetic spectrum of wavelengths
What is visible light?Visible light is that portion of electromagnetic spectrum which is visible to the human eye
So therefore, the answer choice which is true about visible light is it is only a small part of the electromagnetic spectrum of wavelengths.
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Why do sex-linked traits follow different patterns of inheritance than other
traits?
O A. Males only have one X chromosome.
O B. Females only carry dominant alleles.
O C. Males only carry recessive alleles.
O D. Females only have one X chromosome
Answer:
O A. Males only have one X chromosome.
Explanation:
Males are XY and Females are XX. Based on this fact, option A is true. Option B is false b/c women can carry recessive alleles, option c is incorrect b/c males can carry dominant alleles, option D is incorrect b/c females have two X chromosomes.
From process of elimination, A is the best choice. Hope you get it right
I WILL MARK U BRAINLIEST
. Imagine that you are a doctor in a maternity ward. During your last shift, 20 babies were born. 10 had blue eyes, and 10 had brown eyes. Remember genotypes are the two alleles given for each trait, written with a letter. For this activity B
The potential genotypes for newborns with brown eyes are BB and Bb, whereas the potential genotype for newborns with blue eyes is bb.
According to the information provided above, b = allele for blue eyes is recessive while B = allele for brown eyes is dominant. A recessive allele is one that cannot express itself in the presence of a dominant allele, while a dominant allele conceals the effect of a recessive allele. A dominant allele expresses itself in the presence of a recessive allele. While a dominant allele can express itself in both a homozygous and heterozygous state, a recessive allele can only do so. Therefore, newborns with brown eyes will have two genotype options: BB and Bb, whereas those with blue eyes will only have one.Learn more about genotype
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This linked dataset Links to an external site. Lists body masses in kilograms for 20 mammal species, and their corresponding base metabolic rate in Watts. Copy the data into your preferred spreadsheet program, perform a natural log transform of both the base metabolic rates and the body masses of the mammals to improve the linear relationship, and then perform a linear regression on the data using the trendline feature. Use the linear regression equation to estimate (based on these data) what the base metabolic rate of a human of 40.57 kilograms is likely to be.
Some hints and suggestions: • Remember that your variables have been transformed, so you will need to account for this as you find the base rate in Watts. • When answering, input only digits, with no spaces, and round to two decimal places. 1 Mammal Size (kg) Base Metabolism (Watts) 2 4.67 11.57 3 1.02 2.56 4 0.206 0.73 5 0.19 0.86 6 0.105 0.55 7 0.3 1.1 8 61.235 61.16 9 0.2615 1.2 10 1.039 2.93 11 0.061 0.42 12 0.2615 1.2 13 127.006 105.34 14 70 82.78 15 2.33 4.2 16 1.3 1.73 17 9.5 16.05 18 1.011 2.07 19 0.225 1.3 20 0.8 4.39 21 102.058 89.55
The linear regression equation shows that the base metabolic rate of a human of 40.57 kilograms is likely to be 9.557.
How to explain the information?It should be noted that regression simply means a set of statistical process that is used for the estimation of the relationship between the dependent variable and the independent variable. In the linear regression, it should be noted that the slope is the a that van be seen on the linear equation y = a + bx.
Based on the information given, it should be noted that for the human with a metabolic rate of 40.57 kilograms, the natural log will simply be:
x = In(40.57)
x = 1.6082
Therefore, the natural log for the metabolism rate will be:
Y = a + bx
Y = 1.0648 + (0.74148x)
Y = 1.0648 + (0.74148 × 1.6082)
Y = 1.0648 + 1.1925
Y = 2.2573
Then, we'll then take the inverse log of the above value which will be 9.557.
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Protein catabolism is increased in conditions such as?
Answer:
Starvation
Explanation:
Hormones like Insulin, which are anabolic are low during starvation. While Glucagon and epinephrine are high which promote catabolism.
How many chromosomes are contained in the nucleus of each cell in the human body? 100 23 46
There are a total of 46 (23 pairs) chromosomes in the nucleus of each cell of the human body.
What are chromosomes and how many chromosomes are found in a human cell?Long segments of DNA are carried by chromosomes, which are organelles that can be found in the nucleus of cells. The substance that houses genes is called DNA. It serves as the foundation for the human body.
Additionally, proteins found in chromosomes aid in the appropriate structure of DNA.
Chromosomes are found in pairs. The average human cell contains 23 pairs of chromosomes (46 total chromosomes). The mother contributed half, and the father contributed the other half.
When you are born, two chromosomes—the X and the Y chromosome—determine whether you are a boy or a girl. They are known as sex chromosomes:
There are two X chromosomes in females.Each male has one X and one Y chromosome.The child receives one X chromosome from the mother. X or Y could be contributed by the father. The baby's gender at birth is determined by the father's chromosome.
Autosomal chromosomes are the remaining chromosomes in the human body.
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Answer:
46
Explanation:
Atp energizes other molecules in cells by transferring a(n) ________ to those molecules.
ATP energizes other molecules in cells by transferring phosphate groups to those molecules.
An energy-demanding process can be coupled to ATP hydrolysis in a cell in one of two ways: either ATP is used to activate a reactant, or ATP is used to alter a reactant's form. Transferring a phosphate group to the reactant results in the phosphorylation of the product, which can be used to accomplish either goal.
Cells can use chemical energy known as ATP, or adenosine triphosphate. It is the molecule that gives your cells the power to accomplish things like contract your muscles as you walk down the street.
Therefore, ATP energizes other molecules in cells by transferring phosphate groups to those molecules.
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____________________ is a condition caused by insufficient production of the antidiuretic hormone or by the inability of the kidneys to respond to the antidiuretic hormone.
Diabetes insipidus is a condition caused by insufficient production of the antidiuretic hormone or by the inability of the kidneys to respond to the antidiuretic hormone.
What is diabetes insipidus?Diabetes insipidus is a rare condition that occurs when the kidneys are unable to conserve water during the process of filtering blood.Diabetes insipidus is caused by a lack of antidiuretic hormone (ADH), also called vasopressin, which prevents dehydration, or the kidney's inability to respond to ADH. ADH enables the kidneys to retain water in the body. When diabetes insipidus is caused by a lack of ADH, it is called central diabetes insipidusWhen the condition is caused by a failure of the kidneys to respond to ADH, the condition is called nephrogenic diabetes insipidus, which may be inherited.To learn more about Diabetes insipidus,
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How are the hip bones in a frog different from the human pelvis?
Answer:
A frog's pelvis(hip bones) can slide up and down its spine, which may help it jump. The vertebrae at the bottom end of the spine are fused into one bone called the urostyle much like our coccyx(tailbone) - the remains of their tadpole tail.
Which is the most anterior cranial nerve?
The most anterior cranial nerve is the terminal nerve (CN 0), a thin nerve passing along the medial side of the olfactory tract.
The terminal nerve, also known as cranial nerve 0 or simply as CN 0, is a nerve that was not included in the seminal classification of the cranial nerves as CN I through CN XII but is now generally classified as a cranial nerve. The nerve terminal is a specialized region of a neuron, separated from the neuronal soma by an axon that can be exceedingly long, whose function is to release neurotransmitter when stimulated by an electrical signal carried by the axon.
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Comparisons of tooth wear in living apes and extinct Miocene apes suggest that some extinct species of apes ate Group of answer choices leaves, grass, and bark. nuts, fruits, and small animals. leaves, nuts, and fruits. insects, fruit, and leaves.
Comparisons of tooth wear in living apes and extinct Miocene apes suggest that some extinct species of apes ate a Group of leaves, nuts, and fruits.
THE MIOCENE APESAs many as 30 species of apes lived in large areas of Africa, Asia, and Europe during the Miocene, when they underwent their largest radiation.
What led to the reduction in the number of ape species?The diversity of ape species decreased during the Late Miocene as a result of climate changes that increased seasonality (and progressively replaced many forests with grasslands) and competition with an ever-increasing variety of monkey species.
Extinct species of apes ate:-Its teeth suggest that this species, which lived in forests, consumed fruits, seeds, leaves, and other types of plants. It most likely consumed some bamboo as well. About 100,000 years ago, the ice age began, and it drastically altered the landscape and the amount of tree cover. The G blacki needs a tremendous amount of food due to its size.
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Resting-State Functional Connectivity DisruptionAs a Pathological Biomarker in Autosomal DominantAlzheimer Disease\
Resting-state functional connectivity noninvasively measures the association of signaling among brain regions and can be used to identify resting-state networks (RSNs).
What is Pathological Biomarker in Autosomal Dominant Alzheimer's Disease?
The study of rare families with autosomal dominant mutations that cause early-onset AD has had a significant impact on our understanding of the pathophysiology of Alzheimer's disease (AD). Amyloid- peptide (A-) overproduction is brought on by mutations in the APP, PSEN-1, and PSEN-2 genes, which result in early A-peptide deposition in the brain. This, in turn, is thought to set off a series of events that eventually lead to neuronal death, cognitive decline, and dementia. Studies on cerebrospinal fluid (CSF) from people with late-onset AD (LOAD), the most prevalent form of AD, have shown that low CSF A42 and high CSF tau are related to AD brain pathology.
CSF biomarkers in autosomal dominant AD (ADAD) have helped to create a thorough road map of AD pathogenesis, particularly during the preclinical stage, before any cognitive symptoms started to show. To hasten the creation of viable treatments for AD, ongoing pharmacological studies are also employing CSF biomarkers and capitalizing on the special features of ADAD.
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Evaluation of the effectiveness of the insulin-mimetics, selenium and vanadium, in insulin-resistance in primary hepatocytes
In insulin-resistance in primary hepatocytesby treating the cells with glucosamine.
GlucosamineCartilage, the strong tissue that cushions joints, contains glucosamine, a natural substance. Glucosamine is either from shellfish or manufactured in a lab and sold as supplements. Among the different types of glucosamine are glucosamine sulfate, glucosamine hydrochloride, and N-acetyl glucosamine. There is no thought of substituting these nutrients. For the treatment of a painful disease brought on by the swelling, deterioration, and eventual loss of cartilage, people take glucosamine sulfate orally (osteoarthritis). Ensure that you select the appropriate type of glucosamine when contemplating it by carefully reading product labels. N-acetyl glucosamine is used to treat osteoarthritis, although there isn't enough clinical data to support this use. More studies are required to verify this.
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A cell that cannot produce enough energy to function properly most likely has a problem with its?
A cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.
What is the function of the mitochondria?The mitochondria is a membrane-bound organelle in the cells of eukaryotic organism.
The mitochondrion is the organelle responsible for the conversion of food to usable energy in the form of ATP, hence, it is called power house of the cell.
The energy we make use of for our daily activities is synthesized as ATP in a process called cellular respiration.
However, according to this question, a cell that cannot produce enough energy to function properly most likely has a problem with its mitochondria.
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Which information can be used to determine an atom's identity?
Counting the number of electrons
Counting both neutrons and electrons
Counting the number of neutrons
Counting the number of protons
The information which can be used to determine an atom's identity is by counting the number of protons
What is an atom?An atom can be defined as the smallest part of an element which can take part in a chemical reaction.
So therefore, the information which can be used to determine an atom's identity is by counting the number of protons
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when it comes to your natural positive/negative ratio when ineracting with students, long term patterns mattermore than single interactions
when it comes to your natural positive/negative ratio when interacting with students, long-term patterns matter more than single interactions
The proportion of positive to negative encounters that is "magic." The prevalent notion that there is a "magic" ratio of positive-to-negative contacts for enhancing interpersonal relationships is shown by Flora's position. In the subject of education, it is frequently advised that teachers keep a particular balance between their positive and negative interactions with students.
Although this rule has strong face validity, no particular ratio has any empirical backing. The writers argue against the usage of any particular ratio but are in favor of maintaining a high positive to negative ratio. They cover topics such as the evolution of recommendations for the positive-to-negative interaction ratio and an overview of pertinent studies on pupils with emotional or behavioral disorders (EBD).
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When the atmosphere in the jar is free of oxygen, what color will the indicator strip be?
White color will be shown on the indicator strip. In the absence of oxygen, it turns from blue to colorless.
In the absence of oxygen, it produces anaerobic conditions in the jar as time passes. After approximately one hour, it starts producing anaerobic conditions in the jar.
And moisture starts developing in the jar and also indicator strip starts to change its color. The color of the indicator strip is from blue to colorless means white color.
When the color turns colorless then it is proof that the jar was able to strongly reach an anaerobic state.
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DNA is composed of two strands, only one of which typically is used as a template for RNA synthesis. By what mechanism is the correct strand chosen
To choose the strand the promoter acts to aim the RNA polymerase.
What does RNA polymerase do?RNA polymerase synthesizes RNA by following a strand of DNA. The primary transcription enzyme is RNA polymerase. When RNA polymerase connects to a promoter sequence near the start of a gene, transcription starts (directly or through helper proteins). To create a fresh, complementary RNA molecule, RNA polymerase employs one of the DNA strands (the template strand) as a template.
Three distinct RNA polymerases (RNAPs), which transcribe various kinds of genes, are present in all eukaryotes. RNA polymerase I transcribe rRNA genes, RNA polymerase II transcribes mRNA, miRNA, snRNA, and snoRNA genes, and RNA polymerase III transcribes tRNA and 5S rRNA genes.
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A boy has been reported to lack fear and not show any stress in dangerous situations. these symptoms suggest issues with which area of the brain?
If a person is not able to show stress in dangerous situations and lacks fear, there might be issues with an area of their brain known as the amygdala.
The amygdala is an almond-shaped structure which can be found in the medial temporal lobe of the brain, right in front of the hippocampus. It is a region of the brain which primarily deals with regulating our emotional processes like fear response but is also responsible for other strong emotions like aggression and pleasure. In case the amygdala gets damaged, it impairs the emotional memories of the person and also results in poor decision making.
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The fluid that enters vertebrate nephrons is called the filtrate. What is the source of the filtrate
the source of the filtrate is Loop of Henle.
The Henle loop is surrounded by tissue fluid with a high ion concentration. Osmosis causes water to move out of the descending limb. As a result of the more concentrated filtrate, ions move out of the loop in the thin ascending limb.
The nephron consists of a single long tubule and a ball of capillaries called the glomerulus. Using hydrostatic pressure, plasma is forced through the walls of the glomerulus, becoming filtrate as it crosses, and then collecting within Bowman's capsule. The fluid that enters vertebrate nephrons is called the filtrate.
Which part of the nephron is called the loop of Henle?A million nephrons are the filtering units of the human kidney, which is a complex and highly vascular organ. Each filters water and solutes from the blood that flows through it into the surrounding space and is the cavity between the cup's walls. The other part resembles a U-shaped loop that transports the filtered fluid deep into the medulla.
Functions of NephronThe primary function of the Nephron is to flush out waste products from the blood, which include solid waste and other excesses. This blood is transformed into urine through secretion and excretion.
The nephron, a basic structural unit of the kidney, is a microscopic structure composed of a renal corpuscle and a renal tubule.
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