Answer:
1-reduces the quality of the soil used for growing crops.
2-creates health impacts
3-encourage seed sterility
4-is more expensive
Which statement is true about chromosomes?
Answer:
4.they are made up of DNA wrapped around proteins
Image C: nervous tissue
Image D: muscle tissue
Part A
Based on the words connective tissue and the arrangement of cells in image B, what is this tissue's
function in the body?
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Answer:
Hello. You did not show the images, but the function of the connective tissue in the body is to provide support by filling the empty spaces between one tissue and another. In addition, it is responsible for nourishing the tissues to which it is connected.
Explanation:
Generally speaking, connective tissue is a connecting tissue. its function depends a lot on the cells that make it up, but in general, we can say that this type of tissue is responsible for promoting the support of other tissues in the body. This is because the connective tissue is able to fill empty spaces between the fabrics, in addition to being able to provide necessary nutrition to these fabrics whenever necessary.
What is hello in Estonian?
Answer:
Tere
Explanation:
e
Answer:
I think it's either Tere or Halloo
A grove of pine trees grows in a cluster around the bank of a lake. what is this an example of
Answer: Options are not given, below are the options.
A. Stabilizing effect
B. Intraspecific competition
C. Abiotic factors
D. Interspecific competition.
The correct option is B.
It is intraspecific competition
Explanation:
It is intraspecific competition because the same species of plants are competing for limited available resources.
Intraspecific competition occur between member of the same organism where organism of the same species compete for limited available resources.
A grove of pine trees grows in a cluster around the bank of a lake is an example of intraspecific competition because the pine trees are of the same species and they compete for available limited resources.
DNA is very small, one complete turn of a DNA helix is about _______.
Explanation:
DNA is very small, one complete turn of a DNA helix is about ___3.4 nm___.
DNA is very small, one complete turn of a DNA helix is about 3.4 nm or 34 Angstrom long.
What is DNA?DNA stands for Deoxyribonucleic acid. DNA may be defined as a molecule that is composed of two polynucleotide chains that coil around each other to construct a double helix.
This molecule is also thought to carry genetic information based on the individuals and deliver instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.
One complete turn of a DNA helix consists of 10 base pairs. So, the pitch of the helix is found to be 3.4 nm and the two strands are right-angled coiled.
The distance between the two base pairs in a helix is 0.34 nm.
Therefore, DNA is very small, one complete turn of a DNA helix is about 3.4 nm or 34 Angstrom long.
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What product of photosynthesis is stored in chemical bonds? A. Water. B. Oxygen. C. Chemical energy. D. Solar energy.
Answer:
I think Chemical Energy
Explanation:
Photosynthesis is the process by which organisms containing the pigment chlorophyll transform light energy into chemical energy that can be stored in the organic molecular bonds (e.g., sugars).
Answer:
C. Chemical energy
Explanation:
water and solar energy are raw material for photosynthesis so they do not apply.
Oxygen is a product but is not stored in the plant.
Chemical energy is stored in glucose (or sugar) which is a product of photosynthesis stored in the plant. So C is the answer.
We use the proportion of individuals with the recessive phenotype to calculate the frequency of the recessive allele (q). Why can't we calculate the frequency of the dominant allele in the same way, that is by using the proportion of the individuals with the dominant phenotype?
Answer and Explanation:
Due to some technical problems, the complete answer and the explanation are attached in the file named H-W
Which of the following is an example of adaptive radiation? One population of squirrels becomes two separate species over a long time. One population of lizards forms 15 separate species over a short time. One species of birds becomes better suited to its environment over time. One species of fish forms when two species of fish begin to breed with each other.
Answer:
B. One population of lizards leads to 15 separate species over a short time.
Explanation:
Adaptive radiation is a process in which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges and opens environmental niches.
Adaptive radiation occurs when a single ancestral species diversifies into a variety of different species, each with different adaptations to fit different ecological niches.
When does the adaptive radiation occur ?This often occurs when a group of organisms colonizes a new, relatively unexploited environment, and the different ecological niches available in that environment drive the evolution of different adaptations in different subgroups.
The example of one population of lizards forming 15 separate species over a short time is a classic example of adaptive radiation. In this case, the ancestral population of lizards likely colonized a new area with many different ecological niches.
Over time, different subgroups of lizards evolved adaptations that allowed them to exploit these niches in different ways, leading to the diversification of the group into many different species.
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Consider the number of males who were diagnosed with melanoma in 2005. What quantity does this number represent? In 2005, 27.99 percent of males were diagnosed with melanoma. In 2005, 27.99 males out of 100 were diagnosed with melanoma. In 2005, 27.99 cases of melanoma were diagnosed in males. In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma.
Answer:
In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma.
Explanation:
Melanoma is a disease of cancer of the skin, which generates the expense of melanocytes.
In the vast majority of cases which is the first seat is skin. There are also eye melanomas, mucous membranes, and also rare the internal organs.
Now, according to the given table, it is described that the units which is used per 100,000. We will find that the number of males is 27.99 per 100,000 while the number of females is 18.30 per 100,000 .
Answer:
In 2005, 27.99 males out of every 100,000 were diagnosed with melanoma.
Explanation:
You are studying a population of lemurs that live in a rainforest that covers thousands of acres, along the Urubamba river in South America. They feed on fruit and nuts scavenged throughout the abundant rainforest. Recently, industrialization has caused factories upstream to begin polluting the river. In your studies you have noticed their population is beginning to decrease. Which of the following limiting factors are affecting the carrying capacity? I. Space II. Food availability III. Water IV. Environmental conditions
A. III and IV
B. I, II, III, IV
C. I and II
D. II and III
Answer: A. III and IV.
The limiting factors that are affecting the carrying capacity are Water and Environmental conditions. The correct options are A. III and IV
What are environmental factors?
Environmental factors are those factors that are found in the surroundings and the environment. These factors are radiation, chemicals, water, air, etc.
Lemurs are mammals that live in groups, and they are small like mongooses. They eat fruits and nuts, and they are weird creatures. They are living in along the Urubamba river in South America as given.
Due to industrialization in the forest area, the river, and the environment become polluted and due to the wrong environment and scarcity of fresh water. The population of lemur gets decreased.
Thus, the correct option is A. III and IV.
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What is true about an adaptation?
A. It is a learned trait.
B. An organism is born with it.
C. It prevents reproduction.
D. It harms the organisms.
The answer is: An organism is born with an adaptation. Therefore, the answer is an organism is born with it (B).
Which substance is used as an oxidizing agent in the chemical industries? Write its chemical name and formula.
Answer:
Hydrogen Peroxide is usually used as an oxidizing agent in the industries.
Chemical Name: Hydrogen Peroxide
Formula : [tex]H_{2}O_{2}[/tex]
Answer:
[tex]\boxed{\mathrm{H_2O_2}}[/tex]
Explanation:
Hydrogen peroxide is used as an oxidizing agent in the chemical industries.
The chemical name is Hydrogen peroxide.
Hydrogen peroxide is a chemical compound with the formula [tex]\mathrm{H_2O_2}[/tex].
The map shows regions of Africa Europe Asia and Australia. It also shows a range of deforestation zones in these continents. On the map, red stands for high deforestation dark green stands for medium deforestation blue stands for low deforestation and pink stands for unavailable data identify the areas where species are most at risk of habitat loss.
Answer:
Red area stand for high deforestation
Explanation:
The species are most risk of habitat loss at red zone that stands for high deforestation.
Because of high deforestation, the natural habitat is getting lost at faster rate in red area which will affect the natural vegetation and animals living in the forest.
Hence, the correct answer is red zone stands for high deforestation.
Answer:
Anything in a red zone
Explanation:
For me it was, Africa and Australia
Which of the following statements regarding the fossil record is FALSE? Group of answer choices The fossil record does not contain any fossil remains of plants, only animals Not every minute of Earth’s history is recorded in the rock record Paleontologists have not yet found all the fossils that are in the rocks Not all organisms have a high preservation potential
Answer:
The statement, that is, the fossil record does not contain any fossil remains of plants, only animals is false.
Explanation:
Any trace of past life is termed as the fossil. It can be an organism's remains like shells, plants, bones, or teeth. Any activity of an organism like burrows, footprints, and feces can be known as a fossil record. Five different ways by which the formation of a fossil takes place are natural casts, permineralization, trace fossils, amber preserved, and preserved remains.
The formation of a fossil distinctly takes place, however, the majority of them formed when an animal or plant dies in a watery environment and gets buried underneath the silt and mud. In the process, the soft tissues quickly get decompose and leave behind the shells or hard bones. With time accumulation of sediments takes place over the top and solidifies into a rock.
Describe what might be a possible structure for this new type of membrane. Describe what might be a possible structure for this new type of membrane. This membrane would have the polar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophobic interior. This membrane would have the polar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophilic interior. This membrane would have the nonpolar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophobic interior. This membrane would have the nonpolar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophilic interior.
The question is incomplete. The complete question is as follows:
Imagine a new type of cell was discovered on Mars in an organism growing in benzene, a nonpolar liquid. The cell had a lipid bilayer made of phospholipids, but its structure was very different from that of our cell membrane.
Describe what might be a possible structure for this new type of membrane.
A. This membrane would have the polar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophobic interior.
B. This membrane would have the polar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophilic interior.
C. This membrane would have the nonpolar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophobic interior.
D. This membrane would have the nonpolar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophilic interior.
Answer:
D. This membrane would have the nonpolar groups on the two surfaces facing the nonpolar solvent, and it would have a hydrophilic interior.
Explanation:
As per the description of the membrane, the membrane is made up of phospholipid and phospholipid are consist of two hydrophobic tails (non-polar) and one hydrophillic (polar) head.
As the cell membrane is growing in a non-polar liquid, benzene, the non-polar groups or hydrophobic tails will face the nonpolar solvent, as it will repel by the hydrophillic interior and polar head will face the interior of the memebrane.
Hence, the correct answer is D.
Define molecule, divide it into different categories, name and describe each, and give 2 examples for each.
Answer:
Molecules are defined as a combination of two or more same or different atoms bounded together.
Types of molecules are as follows:
Diatomic molecules: A molecules which is consist of only two atoms of different or same elements are called diatomic molecules. Example: O2 and CO.
Heteronuclear diatomic molecules: A molecule that composed of two atoms of the same element is called heteronuclear diatomic molecules. Example: Hydrogen (H2) and Nitrogen (N2).
Homonuclear diatomic molecule: A molecule that composed of two atoms of different elements are called homonuclear diatomic molecule. Example: Hydrochloric acid (HCl) and Hydrogen fluoride (HF).
A molecule can be defined as a group of atoms that constitute the shortest and identifiable unit in which a substance is divided.
A molecule is a pure substance that retains its chemical and physical properties.Molecules can be divided into organic or non-organic molecules.Examples of organic molecules include proteins and lipids, whereas non-organic molecules include water (H2O) and carbon dioxide (CO2).In conclusion, a molecule can be defined as a group of atoms that constitute the shortest and identifiable unit in which a substance is divided.
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Which flowchart correctly lists the structures in order from smallest to largest?
gene Right-arrow DNA Right-arrow chromosome Right-arrow nucleus
gene Right-arrow chromosome Right-arrow DNA Right-arrow nucleus
DNA Right-arrow gene Right-arrow chromosome Right-arrow nucleus
DNA Right-arrow chromosome Right-arrow gene Right-arrow nucleus
Answer:
gene Right-arrow DNA Right-arrow chromosome Right-arrow nucleus
Explanation:
trust me I'm smart
Listing the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus
Gene is the basic unit of heredity in animals, they are made up of DNA strands, while chromosomes ( thread like structures ) are positioned inside the Nucleus of ( plant and animal cells ).
Chromosomes are comprised of proteins and single molecule DNA that are passed from parents to its offspring.
Hence we can conclude that the flowchart that lists the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus.
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Sanshool, a compound found in Sichuan peppers, is used in making spicy Asian food. It is known to inhibit a subset of potassium leak channels involved in maintaining the resting membrane potential. What effect do you think sanshool would have on the membrane potential
Answer:
Explanation:
In this specific scenario, the sanshool would cause the resting potential to elevate into less negative values thus making it easier to excite the neuron . In a standard scenario, the resting potential of neurons is about -70 mV and at the resting potential the concentration of ions is kept constant through Na+/K+ pumps.
What two characteristics of life are evident in viruses?
Please help me with this question
Answer:
Viruses do, however, show some characteristics of living things. They are made of proteins and glycoproteins like cells are. They contain genetic information needed to produce more viruses in the form of DNA or RNA. They evolve to adapt to their hosts.Living characteristics of viruses include the ability to reproduce – but only in living host cells – and the ability to mutate.
List some characteristics of each type of seismic wave. Include what type of material (solids, liquids, or both) each can travel through. Primary wave: Secondary wave: Love wave: Rayleigh wave:
Answer:
The primary wave or the P wave is the fastest kind of seismic wave. These waves can travel through the fluids like the liquid or the water layers of the Earth, and solids rocks. It pulls and pushes the rock it moves through similar to the sound waves that pull and pushes the air. These waves are also called compressional waves, due to the pulling and pushing they do.
The secondary wave is also known as the S wave is slower in comparison to a P wave, and possess the tendency to move through the solid rock, however, not through any kind of liquid medium. The characteristic of the S wave helped seismologists to conclude that the outer core of the Earth is a liquid. The S waves help in moving the particles of rock side to side perpendicular to the direction of the wave or up and down.
The Love wave and Rayleigh waves are the two kinds of surface waves. These waves possess lower frequency in comparison to the P and S waves. Of the surface waves, the Love waves are the fastest surface wave and move the ground from side to side.
On the other hand, a Rayleigh wave rolls around the ground similar to the rolling of the waves across an ocean or a lake. Both these waves only travel through a solid medium.
Which are produced as a result of meiosis? A) zygotes B) chromosomes C) tetrads D) gametes
Answer:
D.
Explanation:
because.
Gametes are produced as a result of meiosis.
What are the different stages of meiosis ?
The meiosis is divided into Meiosis I and Meiosis II, each stage subdivided into sub phases.
In prophase I of Meiosis I, nuclear envelope disintegrates, Chromosomes condensed and Spindle fibres are formed.
In Prometaphase II, Spindle fibres bind to the chromosomes at the centromere.
In Metaphase I, homologous chromosomes align at the equatorial plate.
Anaphase I where chromosomes are move towards the opposite poles.
In Telophase I, Spindle fibres disappear, reformation of Nuclear envelope; In Cytokinesis I, 2 non-identical diploid daughter cells are produced.
In Prophase II of meiosis II same event occur like prophase I.
In Metaphase II chromosomes align along the equatorial plate; In Anaphase II, Sister chromatids move to opposite poles.
Telophase II where Nuclear envelope reappear and the spindle fibres disappear; Cytokinesis II where cell divide into 4 non-identical haploid daughter cells.
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Which of the following statements describes a planet but not a dwarf planet? Select one: a. It is not a moon of a larger planet. b. It orbits around a star. c. It has cleared its orbit of smaller objects. d. It has enough mass to form a spherical shape. Clear my choice
Answer:
C
Explanation:
It has cleared its orbit of smaller objects is the statements describes a planet but not a dwarf planet.
What is a plant?A planet is a celestial body that is in orbit around the Sun, has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and has cleared the neighbourhood around its orbit.As their name suggests, the main difference between a dwarf planet and a planet is size. Because they are smaller, dwarf planets lack the gravitational forces needed to pull in and accumulate all of the material found in their orbits. Each known dwarf planet in our solar system is actually smaller than Earth's Moon.It has cleared its orbit of smaller objects is the statements describes a planet but not a dwarf planet.
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During a discussion about antimicrobial agents, the instructor explains to the nursing students that there are two major methods used to classify antimicrobial drugs. What are those two major methods
Answer:
The correct answer is - Susceptible organism and mechanism of action
Explanation:
1. susceptibility is a term utilized when microorganisms, for example, microscopic organisms and fungi can't develop within the sight of at least one antimicrobial medications. susceptibility testing is performed on microscopic organisms or parasites causing a person's infection after they have been recovered in a culture of the specimen .
A bacterial strain is supposed to be helpless to a given anti-microbial when it is restrained in vitro by a concentration of this medication that is related with a high probability of therapeutic achievement.
2. According to their primary actions on microbial cells, antimicrobial antibiotics can be divided into four categories: 1. Inhibitors of the biosynthesis of the bacterial cell wall 2. Inhibitors of the bacterial protein synthesis 3. Inhibitors of the nucleic acid metabolism 4. Alteration of Cell Membranes.
What Is the meristematic tissue that helps in the production of roots in stem cutting
Answer:
apical meristem
Explanation:
it is a meristematic tissue found in the buds and growing tips of roots in plants.
Its purpose is to trigger the growth of new cells in young seedlings at the tips of roots and shoots and forming buds.
An adult with a history of tanning has his genome sequenced. The beginning of a protein-coding region of his DNA reads ATGGGGATATGGCAT. If the protein-coding region of a healthy adult reads ATGGGGATATGAGCAT, identify the site and type of mutation.
Answer:
Explanation:
The protein-coding region of a healthy adult reads ATGGGGATATGAGCAT.
The beginning of a protein-coding region of the tanning individual DNA reads ATGGGGATATGGCAT
The site of mutation is close to the end - GGCA - between the two G's, a base (A) has been deleted.
Thus this type of mutation is termed deletion: a process whereby one or more bases are removed from a nucleotide sequence of DNA.
How would a large geomagnetic storm affect communication on Earth?
Answer:
During geomagnetic storms, the ionosphere gets altered and it resulted in the distraction of the high-frequency radio communications and navigation.
Explanation:
A geomagnetic storm also popularly known by the term a solar storm refers to a transient disruption of the magnetosphere of the earth prompt by a solar wind shock wave that strikes with the magnetic field of the earth. On the surface of the Earth, a magnetic storm is characterized by a sudden decrease in the power of the Earth's magnetic field. The decline spans range about six to twelve hours and following it the magnetic field starts to restore to normal in a few days. It affects the global position system thus disrupting the communication on Earth.
What process is similar in function to genetic engineering but different in the mechanism it uses? A. Breeding for specific traits B. Cellular Respiration C. Genetic Calculus D. Replication in a bioreactor
Answer:
D. Replication in a bioreactor
Explanation:
Genetic engineering is defined as the process of gene manipulation in which a gene is altered by the introduction of new genes across species boundaries to produce an improved version of organisms.
The function of genetic engineering is to produce high quality and quantity of new organism.
Replication in a bioreactor has a similar function as genetic engineering but has a different mechanism.
Replication is a process in which DNA copy itself to form a new organism.
Replication in a bioreactor function to convert copies of DNA into high-quality product under optimal condition.
Hence, the correct option is "D. Replication in a bioreactor".
Explain briefly 3 farming methods and it's effects on the ecosystem
Answer: easy pasy
Explanation:
Water, agricultural and soil
Thank you for your question
Which is one common property of inorganic substances They are solid at room temperature They are poor conductors of electricity They contain carbon They burn readily
Answer:
They are solid at room temperature
Explanation:
Hope it helps.
Answer:
Answer A
Explanation:
Human-induced environmental changes can affect living things at which level(s)?
Answer:Water hyacinths from Asia now grow in the United States and are crowding out animals and other plants.
Explanation: that ur asnswer
Answer:
The answer is D) organisms, populations, and species
Explanation: