Answer:
A mass of cells that have lost all restraint in division and are piled on top of one another is called a Tumor.
a sharp knife cuts more easily than the blunt ones. Give reason.
Answer:
A sharp knife can cut objects more easily compared to a blunt knife because a sharp knife applies more pressure on the object.
Brooke was supposed to visit her mother for dinner. She has been in bed all day, however, and does not have the energy to shower and get dressed. Brooke would likely be diagnosed with
post-traumatic stress disorder
a specific phobia
obsessive-compulsive disorder
major depressive disorder
Answer:
Brooke would likely be diagnosed with major depressive disorder because she's telling herself she has no energy showing lack of interest in what's planned and in other words 'lazy'
She might be suffering from major depressive disorder. As she is lacking the energy to do her work and it could be because of the drained energy in her mind.
What is the reason for such situations ?In this situation a person is either living alone or going through some difficult situations and unable to cope through the situations.
In the cases of excess depression the person is struggling through the mental thoughts and are not able to do their work properly. People like these are usually absent minded and they usually are lacking interest in the crowd.
In such situation the person should go to the family gatherings and the outings, learn to go out of their comfort zone. In such situations people like these situations should talk about their feelings out and try to find the conclusion with a wise situation.
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In the water cycle shown below, which process is happening at step 3? precipitation
melting
evaporation
sublimation
Answer:
melting
Explanation:
because the water has got its freezing ponit
Answer: A: precipitation
Explanation: it is raining took the test this is the right answer
Which of these describes the levels of organization of an animal? A. Tissues are composed of organs, which are composed of cells. B. Organs are composed of cells, which are composed of tissues. C. Organs are composed of tissues, which are composed of cells. D. Tissues are composed of cells, which are composed of organs.
Answer:
C. Organs are composed of tissues , which are composed of cells .
The animals are generally organized in a fashion that, the organism is composed of organs, which are composed of tissue, and tissues are composed of cells. So, option C is correct.
The cells are called the building block of life and come last under this hierarchy.
The hierarchy which follows the organization structure of cells, tissues, and organs follows the given criteria :
The cells are made up of cellular organelles, which are organized in a fashion that is required for the specific function of a cell.
The collection of a group of cells having the same physiological structure and function makes up the tissue.
The tissues with the same function and structural organization collectively make up the organs.
The different kinds of organs, contributing to myriads of functions of the body, make up a human body, live and well functioning.
Therefore, option C is correct.
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What discoveries early-on helped man establish himself on Earth?
hammer
knife
fire
pottery (cooking)
rope (fishing)
why are there multiple controlled variables but only one independent variable
Which of the following best describes the action of ATP Synthase
Answer:
The function of ATP synthase is to synthesize ATP from ADP and inorganic phosphate (Pi) in the F1 sector. This is possible due to energy derived from a gradient of protons which cross the inner mitochondrial membrane from the intermembrane space into the matrix through the Fo portion of the enzyme
Explanation:
hope it will help you
What adaptation helps the
Orchid succeed in the
rainforest?
A. It grows long tap roots to reach
water sources.
B. It is one of the tallest trees in
the rainforest so it can reach the
sunlight.
C. It traps insects to gain extra
nutrients.
D. Instead of using energy
growing a trunk, it climbs other
plants to reach sunlight.
The adaptation which helps the
Orchid succeed in the rainforest is that It grows long tap roots to reach water sources.
What is adaptation?Adaptation can simply be defined as the ability of an organism to live adapt and live successfully in an environment
Other characteristics of living things are
MovementRespirationNutritionIrritabilityGrowthExcretionReproductionDeathCompetitionSo therefore, the adaptation which helps the Orchid succeed in the rainforest is that It grows long tap roots to reach
water sources.
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In a community a species of birds has some individuals with a different size and others which statement correctly explains how physical differences in beaks would develop?
Explanation:
Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics.
The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.
Allopatric speciation (1) occurs when a species separates into two separate groups which are isolated from one another.
Each species develops differently based on the demands of their unique habitat or the genetic characteristics of the group that are passed on to offspring.
When small groups of individuals break off from the larger group and form a new species, this is called peripatric speciation (2).
The main difference between allopatric speciation and peripatric speciation is that in peripatric speciation, one group is much smaller than the other.
Like allopatric and peripatric speciation, different habitats influence the development of different species in parapatric speciation.
Sometimes a species that is formed by parapatric speciation is especially suited to survive in a different kind of environment than the original species.
Sympatric speciation occurs when there are no physical barriers preventing any members of a species from mating with another, and all members are in close proximity to one another.
The two types of maggots are not different species yet, but many scientists believe they are undergoing the process of sympatric speciation.
Which molecules are added to an electrophoresis buffer for the purpose of denaturing dna?
Formamide molecules are added to an electrophoresis buffer for the purpose of denaturing DNA.
What is the purpose of the buffer during electrophoresis?A laboratory procedure called electrophoresis is used to divide DNA, RNA, or protein molecules according to their size and electrical charge. The molecules are moved by an electric current through a gel or other matrix. In the case of Denaturing Gradient Gel Electrophoresis (DGGE), the gradient can be an electrical field or a denaturant such as a solution of urea and formamide.
Size, charge, and other characteristics are used in electrophoresis to separate macromolecules like protein and nucleic acids. Scientists utilize buffer to transport the charge through the gel for electrophoresis that separates by charge. Additionally, the buffer keeps the gel's pH steady, reducing alterations that would take place in the protein or nucleic acid if the pH were to become unstable.
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What makes human beings more dominant than other species?
use of technology
ability to reproduce
ability to move
life span
Answer:
use of technology and life span and also ability to reason
Inherited diseases are caused by:
A. Mutations in genetic material
OB. Mutations in somatic cells
C. Pathogens
OD. Parasites
Answer:
A. Mutations in genetic material
Explanation:
Genetic disorders are typically inherited (passed down) in either a dominant or recessive manner.
Genetic disorders can be caused by a mutation in one gene (or more), by a combination of gene mutations and environmental factors or by damage to chromosomes.
High heels of girls hurts more than elephant`s leg when steeped in someone. Give reason.
Answer:
because they wear high heels.
Explanation:
Agoraphobia may be characterized by which of the following
losing the desire to work or learn
having delusions and hallucinations
feeling hot and dizzy
being scared of heights
Answer:
Feeling hot and dizzy
Explanation:
Vertigo, sweating, feeling dizzy, and a sense of impending unconsciousness or passing out are other symptoms.
Agoraphobia may be characterized by feeling hot and dizzy. The correct option is C.
What is Agoraphobia?An uncommon form of anxiety condition is agoraphobia. Your fears prevent you from going out into the world if you have them. You steer clear of particular locations and circumstances because you fear getting stuck and being unable to receive assistance.
The signs of agoraphobia are fear of transportation in general, wide-open areas (parking lots, bridges), closed-in places (stores, movie theaters) (stores, movie theaters), and throngs of people or lines. It is also a fear in which you van not go outside your home.
The disorders may be pain in fear, chest pain, diarrhea, sweating, dizziness, and swelling.
Thus, the correct option is C. to feel hot and dizzy.
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(I’m a girl) I’m wanting to go on runs in the morning. However, I am both self conscious and afraid of getting kidnapped or other bad things happening to me.
How do I get over these feelings?
Answer:
(I am also a girl) Just keep some pepper spray on you. If you have a phone you can have it on you just either keep it out of sight or in a safe place within reach so if you need to you can call for an emergency. I bet you are beautiful, but if you are self-conscious I don't really know what to tell you other than try ignoring stares or what other people say it doesn't matter what other people think about you it only matters what you think of yourself. Also if someone ends up grabbing you kick and scream as loud as you can. Try hurting them to get out of their grasp. When you get out of their grasp, DO NOT run home, run to the nearest police station or to a stranger's house and tell them you need help.
Explanation:
I hope this helps you get over those feelings :) wish you the best.
Answer: On amazon they sell safety supplies ( pepper spray, mini knife, window breaker, etc) make sure somebody is with you so they can protect you to better to be in a group of two or more then alone
Explanation:
6. Living organisms have _____
material which codes for its growth and development
Answer:
genetic
Explanation:
DNA is a form of genetic material. DNA contains the necessary instructions for growth and development.
Living organisms have genetic material which codes for its growth and development.
Thus, Every living creature shares a few traits. The instructions for inheritance are encoded in the genetic code, and children typically resemble their parents.
Asexual reproduction produces children that share the characteristics of their parents. Offspring from sexual reproduction are sometimes different from their parents.
Energy and resources are used by living things to expand, change, and procreate. A group of chemical processes known as metabolic reactions are involved in these life activities.
Organisms have the ability to recognize changes in their surroundings and react to these stimuli. Most living things need their internal surroundings to stay within a pretty narrow range in order to sustain equilibrium.
Thus, Living organisms have genetic material which codes for its growth and development.
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Why are SNPs important to the study of genetics?
A. They are only found in primates.
B. They are sources of variation that can help scientists better study genomes.
C. These are the only places on the genome that do not code for anything.
D. These are the places on the genome that have not been sequenced.
Answer:A
Explanation:
Which of the following correctly describes Metaphase?
A. Chromosomes split and move to opposite sides of the cell. the cell elongates
B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell
C. The Cytoplasm splits, forming two daughter cells
D. Centrioles move to opposite sides of the cell, nuclear envelop dissolves, chromosomes form
Reset Selection
A
Novt
During the metaphase, chromosomes are taken to the equatorial plane, were they randomly line up. Option B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.
What is the metaphase?
Metaphase is one of the cell division stages that follows the prophase and precedes the anaphase.
During this phase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes randomly line up.
Once aligned, each chromatid joins with a microtubule of opposites poles and gets ready to go through the anaphase. Sister chromatids are held together until they reach the Anaphase.
Since chromosomes in this stage are well defined and can be observed in detail under the microscope, they are used to create karyotypes and identify chromosomal abnormalities.
These chromosomes have the typical X shape.
Among the options, the one that correctly describes the metaphase is Option is B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.
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what if there are no primary consumers in the ecosystem??
There wouldn't be any secondary consumers in that ecosystem without the primary consumers since there would be no way for carnivores or secondary consumers to get their energy.
Why are primary consumers important?
A primary consumer is important to an ecosystem. They aid in the energy exchange that is necessary for an ecosystem to function properly and avoid collapse. Only primary consumers have the capacity to "harvest" the energy held in producers.
Plants, who are the primary producers, use sunlight to make their own food or photosynthesis. And hence they are known as autotrophs. Following that, primary consumers eat plants. The primary consumers are then eaten for food by secondary and tertiary consumers.
The organisms at the top of the food chain, including humans, then perish. Then, for food, decomposers like bacteria and fungi feed on the remnants. The chemical components of those nutrients are then recycled back into the ecosystem by these decomposers.
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Most of the air we breathe is made of what molecule?
A. Carbon dioxide
B. Water vapor
C. Nitrogen
D. Oxygen
Answer:
C. Nitrogen
Explanation:
The composition of air is as follows:
nitrogen 78%
Oxygen 21%
carbon dioxide 0.03 %
water vapour 0.2 to 0.4 %
The process of diffusion does not require any energy. Why?
A. The particles are always moving AWAY from equilibrium.
B. The particles move TOWARDS equilibrium.
C. We don't know why diffusion doesn't require energy.
The process of diffusion does not require any energy because the particles move towards equilibrium (option B).
What is diffusion?Diffusion is the movement of fluids (gases) from a region of high concentration toward regions of lower concentration.
Diffusion is termed a passive transport because it does not require energy to occur.
Diffusion as a transport mechanism does not require energy in form of ATP because it moves molecules towards/down a concentration gradient.
Therefore, the process of diffusion does not require any energy because the particles move towards equilibrium.
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Name each structure
Answer:
The organ is the female reproductive organ , the uterus
and the green arrow points to the cervix
How does a focus differ from an epicenter?
the value of a reflex angle lies between
Answer:
reflex angle is an angle that measures more than 180 degrees and less than 360 degrees
Answer:
more then 180 degree and less then 360 degree
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After recent renovations to an office building, employees in the building begin complaining of nausea and burning in their eyes and throat. What type of exposure is most likely causing these reactions?
Lead
Asbestos
Pesticides
Formaldehyde
The correct answer is Formaldehyde.
Formaldehyde
Building materials such as particleboard, plywood, and other pressed-wood products contain formaldehyde, a colorless, pungent-smelling, combustible chemical that is generated industrially. It is additionally frequently utilized in morgues and medical labs as a preservative, fungicide, germicide, disinfectant, and preservative. Environmental sources of formaldehyde are also common. It is created during the natural chemical reactions that occur in most living things as well as during the decomposition of plant matter in soil. It can also be detected in tobacco smoke as a byproduct of combustion. Inhaling formaldehyde gas or vapor from the air or absorbing formaldehyde-containing substances via the skin are the two main ways that people are exposed.
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After recent renovations to an office building, employees in the building begin complaining of nausea and burning in their eyes and throat. What type of exposure is most likely causing these reactions?
Lead
Asbestos
Pesticides
Formaldehyde
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The tyres of tractor are wide and large .Give reason.
Maybe this is the answer
Why does there need to be a concentration gradient across respiration surfaces?
A. So that oxygen can diffuse in, and carbon dioxide can diffuse out.
B. So that oxygen can diffuse out, and carbon dioxide can diffuse in.
C. So that there is no surface tension in the alveoli of the lungs.
D. So that there is surface tension in the alveoli of the lungs.
A concentration gradient across respiration surfaces is needed so that oxygen can diffuse in, and carbon dioxide can diffuse out; option A.
What is a concentration gradient?A concentration gradient is a difference in the concentration of molecule of substances across two regions or across a barrier.
A concentration gradient is necessary for diffusion of molecules of substances from one region to another.
Across respiratory surfaces, a concentration gradient is required in order for the gases to diffusion across the membranes from regions of high concentration to regions of lower concentration.
In conclusion, a concentration gradient is required for effective gaseous exchange across respiratory surfaces.
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The Greek scientist Galen theorized that:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
OB. That heartrate can be determined by measuring the pulse.
C. That the heart and lungs were linked, and worked together to sustain life.
D. Blood was pumped from the heart, through the body, and back to the heart.
Answer:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
Explanation:
Galen believed a theory of pneuma. That is, he believed that blood contains "vital spirits" released into it by the brain.
Need help please with this
TSH controls hormone synthesis, ADH decreases urine, melatonin is involved in circadian rhythm, TH regulates metabolism, insulin is produced in the pancreas and Aldosterone regulates salt.
What is a hormone?A hormone is a chemical messenger used by the body to play a specific function and thus maintain homeostatic balance.
Hormones are secreted by specialized cells such as insulin that is secreted by pancreatic islet cells in this organ (i.e., the pancreas).
In conclusion, the function of TSH is to control hormone synthesis in the thyroid, ADH decreases the amount of urine, melatonin is involved in circadian rhythm, TH is a thyroid hormone that regulates metabolism, insulin is produced in the pancreas and Aldosterone regulates salt amount.
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What are the ecological relations the takes place in terrestrial ecosystem grassland?
A terrestrial ecosystem is a population of land-based species and the relationships between biotic and abiotic elements in a specific space. The tundra, taigas, temperate deciduous woods, tropical rainforests, grasslands, and deserts are a few examples of terrestrial ecosystems. A location's temperature range, average annual precipitation, soil type, and amount of light all affect the sort of terrestrial ecosystem that can be found there.
What is an ecosystem?Plants, animals, and other species are biotic factors. Along with rocks, temperature and humidity are abiotic variables.The health of the entire Earth system is determined by ecosystems, which are the basis of the biosphere.Every component of an ecosystem is directly or indirectly dependent upon every other component. An ecosystem's temperature changes frequently have an impact on the types of plants that may flourish there, for example. Animals that rely on plants for food and shelter must evolve with the times, relocate to another ecosystem.Even the Gobi's chilly desert ecosystems are different from Antarctica's icy desert ecosystems. A continent almost entirely composed of barren, Antarctica is covered by a massive ice sheet. This arid ecology supports only a small number of birds, including skuas, and only a few mosses thrive there.To learn more about ecological, refer to:
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