We have lost helpful features Because The feet of other primates are adapted for both grasping and locomotion, with a wide range of motion that allows for climbing and leaping among branches.
In contrast, human feet are adapted for locomotion only, and as a result, human feet lack the grasping traits that other primates possess. The toes of humans are shorter and straighter than those of other primates, and the human foot lacks the strong curved arch and opposable big toe that are found in other primates.
This specialization of the human foot has been a result of bipedal adaptation, and has in turn led to the loss of certain helpful features. For example, with the loss of the curved arch, humans have much less balance than other primates, and the inability to grasp objects with the feet has led to the development and reliance on tools.
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The Geologic Time Scale is broken up into several periods of time, how is each period different?
The units of the geologic time scale are eons, eras, periods, epochs, and ages.
How is Earth's geologic time scale broken into different periods?The geologic time scale is the representation of time based on the rock record of the Earth. It is a system of chronological dating that uses chrono stratigraphy and geochronology. It is used by Earth scientists (including geologists, paleontologists, geophysicists, geochemists, and paleo climatologists) to describe the timing and relationships of events in the geologic history.
The calendar for events in the Earth history is the geologic time scale. Eons, eras, periods, epochs, and ages are only a few of the named units of abstract time that it divides all of time into.
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substances in food that neutralize the effects of free radicals are known as . multiple choice question. corpuscles antioxidants capillaries anticoagulants
Substances in food that neutralize the effects of free radicals are known as antioxidants (option B).
What are antioxidants?Antioxidants are substances that acts to slow or prevent the oxidation of another chemical.
Free radicals are an example of those chemicals and they are one or more unpaired electrons that are generally highly reactive.
In food substances, antioxidants help to neutralise the effect of those free radicals in the body. Examples of antioxidants are the group of vitamins that act against the effects of free radicals.
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Which of the following is the best example of diffraction?
Answer:
you voice echoing back when you shout in a canyon
Explanation:
What
are pheromones? What evidence is there that pheromones may play a
role in the regulation of human menstrual cycles?
Answer: pheromones can be detected by the olfactory system although humans under develop and underrate their smelling sense. Pheromones may be present in all bodily secretions but most attention has been geared toward axillary sweat which contains the odorous 16-androstenes.
WILL MARK U AS BRAINLIST
Henry wants to make a model to learn about a science topic. Which topic can Henry learn about BEST by using a model?
A. all of insects that live in the rainforests of Brazil
B. what call a cardinal makes early in the morning
C. how the sun’s rays cause lunar eclipses
Answer:
C
Explanation:
Identify inputs and outputs (photosynthesis)
Proper nutrition helps professionals stay abreast of new developments in the field, facilitates communication among professionals, and plays a role in professional activities such as teaching, assessment, and research.
a. True
b. False
Answer: True.
Explanation:
Proper nutrition refers to quality food that contain balanced diet or necessary nutrients required for the proper functioning of the body.
Proper nutrition helps professionals stay abreast of new developments in the field, facilitates communication among professionals, and plays a role in professional activities such as teaching, assessment, and research because proper nutrition help to maintain healthy gain, reduce risk of diseases, maintain the proper functioning of body system and overall cognitive and proper brain functioning. When proper nutrition is taken, it supplies the body with the necessary nutrients that is required to function properly both physically and psychologically which will facilitates communications, increased assimilation, increase activities done and Foster proper teaching and assessment.
Water can reach the highest leaves of trees because of ?
Capillary action, cohesion, and transpiration allow water to reach the highest leaves of trees against gravity.
Water can reach the highest leaves of trees due to a combination of factors: capillary action, cohesion, and transpiration. Capillary action is the ability of water to move upwards against gravity through narrow spaces, such as the tiny vessels in the xylem tissue of plants. This helps water to rise from the roots to the upper parts of the tree. Cohesion refers to the tendency of water molecules to stick together. As water is pulled up through the xylem vessels, cohesion allows for a continuous column of water to form, facilitating its movement to the highest leaves. Transpiration, the process by which water evaporates from the leaves, creates a pulling force that helps draw water upward through the xylem. Together, these mechanisms enable water to reach even the tallest leaves of trees, ensuring proper hydration and nutrient transport throughout the plant.For more such questions on Water:
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5. A scientist is comparing two body cells of a multicellular organism. Which of the following is most likely identical?
A Shape of cell membranes
B Number of chromosomes
C Number of mitochondria
D Shape of cell walls
Answer:
B. Number of Chromosomes
Number of Chromosomes are most likely to be identical. So, the correct option is (B).
What is Chromosome?The term chromosome derives from the Greek words for color (chroma) and body (soma).
A chromosome is defined as the long DNA molecule which contains part or all of an organism's genetic material. Most chromosomes consist of very long thin DNA fibers which is coated with packaging proteins. The most important of these proteins in eukaryotic cells are the histones.
The main function of chromosomes is to carry DNA and transfer genetic information from parent to offspring. They play an important role during cell division and prevent DNA from becoming tangled and damaged. These are identical in the multicellular organisms.
Thus, number of Chromosomes are most likely to be identical. So, the correct option is (B).
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What is the primary role that plants play in the carbon cycle?
the prime role is that plants take carbon and it helps to make our life clean and stop increasing carbon that cause global warming and plants give us oxygen and take carbon by photosynthesis to make their food and when plants die maybe it turns to fossil fuel that be made from carbon like coal and petroleum
Which of the following best describes the difference between the functions of carbohydrates and nucleic acids?
A)Carbohydrates store energy efficiently, while nucleic acids store and pass on a cell's genetic
information
B)Carbohydrates trigger a variety of metabolic processes in cells, while nucleic acids decode and
express genetic information as proteins.
C)Carbohydrates reinforce the structure of cells, while nucleic acids break down cell membranes.
D)Carbohydrates store energy in fats, while nucleic acids donate energy to various biochemical
reactions.
Answer:
In my knowledge
Its option A
FIll in the blank:Next generation sequencing technologies use variations of _____ to produce the DNA that will be sequenced.
Next-generation sequencing technologies use variations of PCR (Polymerase Chain Reaction) to produce the DNA that will be sequenced.
Next-generation sequencing (NGS) technologies revolutionized the field of genomics by enabling the rapid and cost-effective sequencing of DNA. These technologies employ variations of PCR, a widely used molecular biology technique, to generate the DNA that will be sequenced.
PCR involves a series of temperature-controlled cycles that amplify specific regions of DNA. In the context of NGS, variations of PCR are used to amplify the DNA fragments of interest before sequencing. This process is often referred to as library preparation or DNA library construction.
Different NGS platforms may utilize different methods or variations of PCR. For example, some platforms use PCR to amplify specific regions of the genome, while others use PCR to generate complementary DNA (cDNA) from RNA templates before sequencing.
By employing variations of PCR, NGS technologies can generate large amounts of DNA from small starting amounts, allowing for high-throughput sequencing and analysis. These methods have significantly advanced our understanding of genomics, enabling the study of genetic variation, gene expression, and genome sequencing in a variety of research and clinical applications.
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In which case would facilitated diffusion be needed?
A. With large non polar molecules moving down the concentration gradient.
B. With very small non polar particles moving down the concentration gradient.
C. With large polar molecules moving against the concentration gradient.
D. With very small polar particles moving against the concentration gradient.
Answer:
Therefore, the correct answer to this question would be option C
Explanation:
Facilitated diffusion is a type of passive transport where a substance moves across a cell membrane from an area of high concentration to an area of low concentration, but requires the assistance of a transport protein. The transport protein acts as a channel or carrier to facilitate the diffusion of molecules that otherwise would not be able to cross the membrane easily.
How does a black precipitate of FeS indicate production of H2S?
How is SIM medium used to detect motility?
In addition to H2Ss production and motility, for what other test can SIM medium be used?
When the SIM medium is used to detect motility, it helps in the detection of several different types of bacterial species. It's a semi-solid agar that contains many different ingredients. Some of these ingredients include peptone, sodium thiosulfate, ferrous sulfate, and agar. SIM stands for sulfur indole motility.
How does a black precipitate of FeS indicate the production of H2S? H2S or hydrogen sulfide gas is produced by many different types of microorganisms, especially sulfate-reducing bacteria and Clostridium. Hydrogen sulfide is toxic in high concentrations, and it smells like rotten eggs. The black precipitate of FeS indicates the production of hydrogen sulfide. The black precipitate is created when Fe2+ is oxidized by H2S to form FeS. This is a common way to test for the production of H2S. This reaction is specific to H2S, and therefore a black precipitate confirms the production of H2S. How is SIM medium used to detect motility? SIM medium is a medium that is used to detect the motility of bacteria. This medium is used to identify whether or not the bacterial cells are motile.
The SIM medium contains three tests: sulfur reduction, indole production, and motility. Bacteria that are motile will diffuse through the agar and create a "swarming" pattern. This pattern is observed and is an indication of the presence of motile bacteria. In addition to H2S production and motility, what other test can SIM medium be used for? The SIM medium is also used for the detection of indole production. When the bacteria produce the enzyme tryptophanase, it can convert tryptophan into indole. The indole is then detected using Kovac's reagent. If the bacteria produce indole, a red ring is observed at the top of the SIM medium. The production of indole is another way of identifying different species of bacteria.
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Humans develop malaria after the injection of Plasmodium ____________________ into the bloodstream by an infected female Anopheles mosquito when she takes a blood meal.
Answer: sporozites
Explanation:
Malaria involves cyclical infection of humans by infected female Anopheles mosquitoes. In humans.
this mosquitos are parasites and they grow first in the liver cells and multiply, after which they grow in the red cells of the blood. When
Gametocytes a form of blood stage parasite is taken in during blood feeding by a female Anopheles mosquito they multiply by mating in the mosquito gut after which they form a sporozites after 10-18days. This sporozites moves to their salivary gland such that when they feed on human blood the sporozite plasmodium is injected into human body from where they move to the liver and begin their life cycle.
Help me please...
The image below shows three bones in the leg: the femur, the fibula, and the tibia.
What is the structural category of the tibia?
long
short
flat
irregular
Tibia is categorized as a long bone. (you can see how long it is in the diagram)
Answer:
long bone
Explanation:
edg 2021
The picture below shows a prominence in the sun's atmosphere. Which of these events is most likely to occur as a result of the prominence? (3 points)
the corona would become visible
the auroras would become visible
the sun's photosphere would be blocked
the sun's magnetic effect would decrease
Answer:
B) The auroras would become visible.
Explanation:
Got it right on the test. Hope this helps!
Answer:
B) The auroras would become visible.
Explanation:
did the test
Which of the following processes would be an example of an anabolic pathway?
A set of coupled reactions that are exergonic
A set of reactions that break covalent bonds between molecules to release free energy
A set of reactions that release energy that can be used to drive cellular work
A set of reactions that combine monomers into larger, more energy-rich polymers
Answer:
A set of reactions that release energy that can be used to drive cellular work
Explanation:
I think im not so sure!!
Answer:
The answer is
D - a set of reactions that combine monomers into larger, more energy-rich polymers
Explanation:
I can't explain it, I just know I'm right!
How will you explain to a preschooler on how the universe started?
Answer:
With difficulty.
Explanation:
Once upon the time, everything was in a tiny spot. Then, that tiny spot decided it was tired of being tiny. It started growing, and growing, and growing. There was lots of hot gas, which became our sun eventually. The suns made some planets to keep them company, and everything's just like now.
Where does P. acne colonize within the human microbiome?
P. acne, or Propionibacterium acnes, is a type of bacteria that commonly colonizes the human skin. Specifically, P. acne tends to reside within the sebaceous glands and hair follicles on the face, neck, chest, and back.
This bacterium is known to play a role in the development of acne, as it feeds on sebum (oil) produced by the skin and can cause inflammation and infection in the hair follicle. While P. acne is a normal resident of the skin microbiome, overgrowth and imbalance can lead to skin issues. In particular, P. acnes is known to colonize within hair follicles and sebaceous glands in the skin. It can also be found in lower numbers in other areas of the skin, such as the armpits and groin.
While P. acnes is a normal part of the human skin microbiome and is generally harmless, it can sometimes contribute to the development of acne. When there is an excess of sebum production or other factors that promote bacterial growth, P. acnes can multiply and cause inflammation, leading to the formation of pimples, blackheads, and other types of acne lesions.
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When the simple squamous lines the cardiovascular and lymphatic system, it is called:_________
When the simple squamous lines the cardiovascular and lymphatic system, it is called endothelium.
While epithelial cells line outer surfaces, endothelial cells line inner surfaces. Simple squamous endothelial are flat cells that line the inner surfaces of the heart, blood vessels and lymphatic system. They are continuous and form a barrier between the circulating blood or lymph and the walls of the vessels.
There are two types of endothelial cells - Vascular endothelial cells and Lymphatic endothelial cells. The vascular endothelial cells are constantly in contact with blood and line the inner surfaces of blood vessels, from the heart all the way to the tiniest capillary. Lymphatic endothelial cells can be found in the lymphatic system.
In the glomerulus of the kidney, endothelial cells are responsible for fluid filtration. They also help in blood clotting and formation of new blood vessels.
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Using your own words, describe in detail what you learned about Earth's atmosphere. Edg
Explanation:
earth surface is the part of the water or land that touches the air above it.
The cells in the nervous system that handle information processing are called.
Answer:
The answer is Neurons
Explanation:
They are categorized as receptors, interneurons, or effectors, depending on their function.
In the light independent reaction _____, ______, and ______ combine to make ______ and ______
Answer/Explanation:
In the light independent reaction carbon dioxide, ATP, and NADPH combine to make glucose and oxygen.
حل کیش بشع الانقسام المنضد الأمشاج أحادية المجموعة
الكروموسومية
Answer:
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Explanation:
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What qualifications does a bloodstain pattern analyst possess?.
The qualifications of a bloodstain pattern analyst are mentioned below.
What is blood stain pattern analysis?Blood stain pattern analysis refers to the utilization of suitable knowledge and skills for the analysis of blood stains that are found at the scene of crime and, thereby, doing the reconstruction of events for the purpose of investigation.
Bloodstain pattern analysts typically possess the following qualification:
Bachelor's or master's degree in forensic science, biology, chemistry, or a related field.Specialized training in bloodstain pattern analysis, which may be acquired through on-the-job training or specialized courses.Experience in conducting crime scene investigations and analyzing bloodstain patterns.Knowledge of scientific principles related to bloodstain pattern analysis, such as physics, fluid dynamics, and mathematics.Familiarity with the legal system and the rules of evidence, as well as the ability to testify in court as an expert witness.Including all the above-mentioned characteristics, a good blood stains pattern analyst should possess high analytical, logical and interpersonal skills.
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suppose you are conducting an experiment on your own intestinal microbiome (microbial community) after following different diets. which of these variables would contribute the least information about the community structure?
If you are conducting an experiment on your intestinal microbiome after following different diets, the variable that would contribute the least information about the community structure is age.
The gut microbiome, often known as the intestinal microbiome, is the complex community of microorganisms that inhabit the digestive tract. These microorganisms, which are primarily bacteria, live in a symbiotic relationship with their human host and are essential to good health.
The microorganisms present in the gut are influenced by a variety of factors, including genetics, diet, antibiotic use, and environment. The gut microbiome is thought to play a significant role in human health, with research suggesting that alterations in the gut microbiome may contribute to a variety of health problems, including inflammatory bowel disease, obesity, and even cancer.
Diets influence the composition of the gut microbiome. Individuals who consume a diet that is high in fiber, for example, have a more diverse gut microbiome than those who consume a diet that is low in fiber. The gut microbiome is also influenced by the types of foods consumed, with research indicating that diets high in processed foods, sugar, and fat may negatively impact the composition of the gut microbiome.
Community structure refers to the makeup of the gut microbiome, including the types of microorganisms present and their relative abundance. The community structure of the gut microbiome can be analyzed using various techniques, including DNA sequencing and microbial culturing. A variable that would contribute the least information about the community structure is age. Although age may influence the gut microbiome to some extent, other factors, such as diet and environment, are more significant determinants of the gut microbiome composition. Therefore, age would contribute the least information about the community structure of the gut microbiome in the experiment.
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i need help with this question that is on my homework, is it ok if someone helps me please. thanks to anyone who helps! :)
What does food provide to organisms? homeostasis shelter energy air PLZ HELP ME PLZ PLZ PLZ
Answer:
Option C. is the correct choice.
Explanation:
Food provides "energy" to organisms.
Best Regards!
Answer:
C. Energy
Explanation:
The pathway between the ventral tegmental area (VTA) and the _____ is critical for the addiction process because lesions to this pathway eliminate addiction
The pathway between the ventral tegmental area (VTA) and the Nucleus Accumbens is critical for the addiction process because lesions to this pathway eliminate addiction. It is a part of the brain.
What is the nucleus accumbens?The nucleus accumbens refers to a part of the forebrain located in the hypothalamus.
The nucleus accumbens is an interface between motivation (i.e., stimuli) and the corresponding action (response).
The nucleus accumbens is fundamental in different responses such as, for example, rewards, stressful situations, drug behavior, etc.
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