Answer: its not a chemical bonds. It is a hydrogen bond or LDF in chemistry
All cells of the body originate from one cell called the zygote. This cell will give rise to all the cells of the body. Based on your knowledge of mitosis and cell differentiation, which of the following statements must be true?
A. All the cells of the body have different parts of the DNA from the original cell.
B. All the cells of the body have the same DNA, but use different parts of it.
C. All the cells of the body are exactly the same as the original zygote cell.
D. All the cells of the body have pieces of the original cell’s organelles
Answer:
B
Explanation:
Different cells use different parts of the DNA strand to perform their functions
Answer: B
Explanation: How does a complex organism such as a human develop from a single cell—a fertilized egg—into the vast array of cell types such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, the process of cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions. All the cells of the body have the same DNA, but use different parts of it.
Young Adulthood spans the ages of: HELP ASAP
Question 1 options:
18-35
20-40
35-40
Answer:
18-35
Explanation:
The greater the biodiversity, the healthier an ecosystem is.
True or false
Answer:
True
Explanation:
If all the organisms are the same, than a sickness that can kill one of them off will kill them all.
The carbon cycle is a cycle among the carbon reservoirs.What is a carbon reservoir and what are some examples?
Answer:
Explanation:
The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels)
A carbon reservoir is a location or a natural process that stores or releases carbon. The carbon cycle describes the movement of carbon between these reservoirs over time.
What is carbon cycle?The carbon cycle is the exchange of carbon between the Earth's atmosphere, land, ocean, and living organisms.
Carbon can be stored in a variety of reservoirs, such as:
The atmosphere is the world's largest carbon reservoir, containing carbon in the form of carbon dioxide (CO2).
The ocean is a major carbon reservoir because marine organisms use dissolved CO2 in the water during photosynthesis.
Soil: Because it contains organic matter from dead plant and animal material, soil is a significant carbon reservoir.
Fossil fuels: Carbon reservoirs such as coal, oil, and natural gas formed over millions of years from the remains of dead organisms.
Thus, these are the carbon reservoirs.
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Scientists have applied the methods of science inquiry and engineering design to develop many new organisms that do not exist in nature,
such as fluorescent zebra fish
Consider the following questions about fluorescent zebra fish. Applying the methods of science and engineering is NOT sufficient for
answering which of the questions?
A
Can the same process used to develop fluorescent zebra fish be applied to other organisms?
B. Does the purpose of the fluorescent zebra fish affect whether their development was morally acceptable?
C. How could fluorescent zebra fish be used to detect pollutants in the water?
D. Apart from their ability to emit light, how do fluorescent zebra fish differ from other zebra fish?
Answer:
B. Does the purpose of the fluorescent zebra fish affect wether their development was morally acceptable?
Explanation:
It’s correct because I got it right
Applying the methods of science and engineering is not sufficient for answering the question which is as follows:
Does the purpose of the fluorescent zebra fish affect whether their development was morally acceptable?Thus, the correct option for this question is B.
What is Fluorescent zebrafish?Fluorescent zebrafish may be defined as a type of fish that emit certain types of coloration. They come in a variety of fluorescent colors such as red, pink, orange, green, blue, and purple. These colors a called Starfire Red, Electric Green, Sunburst Orange, Cosmic Blue, Galactic Purple, and Moonrise Pink.
These fishes endowed them with genes from fluorescent jellyfish (for blue and green colors) and coral (for red). They inserted the gene into a zebrafish embryo, allowing it to integrate into the zebrafish's genome, which caused the fish to be brightly fluorescent under both natural white light and ultraviolet light.
All the given questions were significantly answered except for the purpose of the fluorescent zebra fish effect and whether their development was morally acceptable. Thus, the correct option for this question is B.
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Which of the following explains when a recessive gene is passed on?
when a genetic mutation occurs
when the trait is in its second generation
when the father exhibits the recessiv
when both parents possess the recessive allele
Answer:
D) "when both parents possess the recessive allele"
Explanation:
Which identifies the main purpose of biological taxonomy?
1classify organisms by using common names for easy identification of species by scientists.
2create phylogenetic trees that organize species based only on physical characteristics.
3use a systematic method to name, organize, and show relationships among species
4create common names that can be applied to multiple organisms found in different regions
Answer:
3. Use a systematic method to name, organize, and show relationships among species
The main purpose of biological taxonomy, use a systematic method to name, organize, and show relationships among species.
What is taxonomy and its types?Linnaeus invented binomial nomenclature, the system of giving each type of organism a genus and species name. He also developed a classification system called the taxonomic hierarchy, which today has eight ranks from general to specific: domain, kingdom, phylum, class, order, family, genus, and species.
Thus, option "3" is correct.
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Predict how each environmental condition—normal, windy, warm, and humid—might
affect the rate of plant transpiration. Rank the conditions from the lowest rate to the
highest rate, with number 1 being the lowest and number 4 being the highest.
Answer:
1) Normal
2) Warm
3) Windy
4) Humid
Which is NOT true regarding transport of molecules?
A)
Small, nonpolar molecules diffuse directly across the cell membrane.
B)Large molecules, such as glucose, use membrane proteins to cross the cell
membrane.
C)Osmosis is an active transport process that moves water against the
concentration gradient.
D)
Charged molecules, such as Cat, Na, and K* cannot diffuse directly across
the cell membrane and must use membrane proteins.
Answer:
The correct answer is option C) "Osmosis is an active transport process that moves water against the concentration gradient".
Explanation:
Osmosis is defined as a passive transport process, because it does not require energy to occur. Osmosis takes place when water moves from an area of high concentration to an area of low concentration. Therefore, it is false to affirm that osmosis is an active transport where water moves against its concentration gradient, actually the opposite is true about osmosis.
Ribosomes are the site where
are produced.
Answer:
Ribosomes are a cell structure, it makes protein
Answer:
Ribosomes are the site where polypeptide chains are produced through protein synthesis.
discuss the impact of the extinction of grasshopper in the ecosystem?
which of the following images shows a transition from the biosphere to the geosphere?
Answer:
Image D
Explanation:
Marine plants and algae are a part of the biosphere while sediment is part of the Earth and the geosphere.
A transition from the biosphere to the geosphere is represented in the - D. image D.
The biosphere:
is one of the zones of the earth or the ecosystem that include all the living organisms present in the earth.It also includes all organisms that live in or on marine, air, and land.In this sphere living beings interact with one anotherThe Lithosphere or geosphere:
It is the outer rigid part of the earth that includes the upper portion of the mantle, crust, and outer part of the earth.It makes up to 60% of the earthIt is also called the geosphere.Interaction between both:
The geosphere provides water, and nutrients from soil and hydrosphere to the plants to the biosphere.after the death of the living organisms, they bury them in the soil that leads to the formation of sediments.Thus, A transition from the biosphere to the geosphere is represented in the - D. image D.
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What can scientists accomplish by applying recombinant-DNA technology?
Answer:
- production of vaccine for disease prevention
- production of genetically modified crops
Explanation:
Recombinant DNA is a special type of DNA that has been infused with a foreign gene of particular interest.
With recombinant DNA technology, scientists can study different proteins and see how they can be used for therapy in the area of medicine. The technology has been used to produce several vaccine in the prevention of diseases.
In addition, recombinant DNA technology has been useful in agriculture to produce genetically modified crops with desired traits such as resistance to pests/diseases and high yields.
Answer:
It is used to identify, map and derive the gene sequence and determine its function.
It is used to analyze gene expression in individuals' cells, and through the tissues of whole organisms. Recombinant proteins are widely used as reagents in laboratory experiments and to generate investigations to examine protein synthesis within organism cells.
It allows the possibility of using genetically modified microorganisms to produce drugs or other products of utility for man, among which can be mention: human insulin, growth hormone, interferons, obtaining new vaccines against hepatitis B5 and the vaccine against the human papilloma virus.
It has been possible to obtain transgenic plants resistant to insects, fungi, bacteria and herbicides, with better quality characteristics during post-harvest and with high nutritional content.
It has allowed the cloning.
Which of the following processes would have the quickest impact on the shape of beaches?
Answer:
I don't know the options but my best guess would be erosion. Every time water comes on the beach is takes sand which erodes the beach. Hope that helps!
Which phrase describes members of the domain Eukarya, but does not describe any members of Bacteria or Archaea?
are multicellular
are unicellular
have cell walls
have a cell membrane
Answer:
They are multicellular
Explanation:
did the test
So sorry for being late ;/
Answer:
multicellular
Explanation:
took a test it as correct make me brainlyist answer please
Which of the following planets has very little atmosphere?
Answer:Mars, has a thin atmosphere composed of about 95 percent carbon dioxide
Explanation:The leading theory is that Mars' light gravity, coupled with its lack of global magnetic field, left the atmosphere vulnerable to pressure from the solar wind, the constant stream of particles coming from the sun.
Answer:
Explanation:
Mercury’s atmosphere containing oxygen (42%), sodium (29%), hydrogen (22%), helium
(6%), potassium (0.5%) and water vapor.
2. Venus
The atmosphere of Venus is one of the most chemically complex and dynamically active
planetary atmosphere in the solar system. The Venusian atmosphere consist of carbon
dioxide (95.5%), nitrogen (3.5%), sulfur dioxide (0.015%), argon (0.007%), carbon monoxide
(0.002%), helium (0.001%), neon (0.001%).
3. The Earth
The atmosphere of Earth is mainly composed of nitrogen (78.08%) and oxygen (20.95%).
The remaining part of the atmosphere divided into the permanent and the variable
constituents. The permanent constituents consist of the five noble gases, argon, neon,
helium, krypton and xenon also other materials such as carbon dioxide, hydrogen, methane,
nitrous oxide and radon. The variable constituents of the atmosphere are water, carbon
monoxide and ozone.
Which of the following results from cutting down trees?
A. Reduced fish populations
B. Increased cooling
C. Reduced sediment flow
D. Increased erosion
Answer:
D
Explanation:
vegetation on soil protects the soil from erosion because its root hair help bind the soil particles together.
The following results from cutting down trees is Increased erosion.
What are the consequences of deforestation?Consequences of deforestation
Habitat degradation: the removal of vegetation destroys the habitat of several species, which can even lead them to extinction.Erosion: the removal of vegetation also leaves the soil more exposed to the action of the sun, wind and rain, which can trigger its degradation process.The main consequence of deforestation is linked to the environmental imbalance caused by the loss of native vegetation. The removal of vegetation causes a great loss of biodiversity as well as the loss of habitat for animals and plants, and also directly impacts the increase in the number of endangered species.
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#20 choose the best answer
What process does the purple arrow indicate? CarbonCycleAQ1 A. Respiration. B. Photosynthesis. C. Combustion. D. Decomposition.
Answer:
The correct answer is option B. "Photosynthesis".
Explanation:
Photosynthesis is the process at which land plants produce energy from carbon dioxide in the presence of sunlight. This process is essential for plants, but also for all other living beings because photosynthesis allow plants to produce their own food (while other living beings feed from plants), as well as the production of oxygen as byproduct. The purple arrow indicate the absorption of atmospheric carbon dioxide by land plants, which belongs to the photosynthesis process. I attached the missing picture.
Answer:
B. Photosynthesis
Explanation:
The process in purple arrow indicate the process of photosynthesis.
Photosynthesis is carried out by green plants and it involves the use of carbon dioxide and water in the presence of light to synthesize glucose. The light energy needed for the reaction is absorbed by the green component of plants, the chlorophyll.
The process is summarized by the equation:
[tex]6CO_2 + 6H_20 + (energy) --> C_6H_{12}O_6 + 6O_2[/tex]
Hence, the purple arrow represents the diffusion of carbon dioxide into the vegetation as a precursor for photosynthesis.
The correct option is B.
What are food webs and food chains dependent on?
Answer:
a complex series of feeding relationships with many organisms interacting and depending on each other
Explanation:
Climate models try to incorporate all the factors that impact Earth's global temperature as variables within the model.
A-True
B-False
Answer:A-true
Explanation:The answer is true because activities on earth influences the climate.
what is the energy in electron- volts (eV) of a photon of green light that has a wavelength of 520nm? (1.0 m = 1.0 x 10^-9m)
a. 3.8 x 10^-19eV
b. 3.4 x 10^-40 eV
c. 2.4eV
d. 2.2 x 10^-21 eV
Answer: c not sure tho
Explanation:
genomic imprinting does not actually involve a change in the genetic sequence of an inherited gene
true or false
Answer:
It should be true! :)
Explanation:
Genomic imprinting is a true epigenetic process that alters gene expression without changing the genetic sequence, often by adding methyl groups to DNA. It results in the selective expression of alleles based on parental origin and is reset in gametes.
The statement that genomic imprinting does not actually involve a change in the genetic sequence of an inherited gene is true. Genomic imprinting is an epigenetic process where the expression of genes is altered without modifying the DNA sequence. This process entails the addition of methyl groups to certain DNA bases, which affects how genes are expressed depending on whether the allele was inherited from the male or female parent. In most cases, this results in the silencing of one parent's allele, allowing only the other parent's allele to be expressed. Imprinted genes can vary in their effect, with some influencing growth and development.
Despite both sons and daughters receiving this epigenetic information, it is erased before the next generation of gametes (sperm or eggs) are formed, ensuring that each individual can reset the epigenetic marks according to their own gender and pass on their own unique pattern of imprinting. The phenomenon of imprinting demonstrates that not all inherited traits are strictly encoded in the gene's nucleotide sequence; some inheritable information is epigenetic.
How are solar cells different from most other power sources?
Answer: they just are and because they use the sun
Explanation: not sure at all tho
Solar cells are different from most other power sources because they utilize the sun's energy, have a smaller environmental impact, are scalable, becoming more cost-effective, and require minimal maintenance. These factors contribute to the growing popularity and importance of solar power as a sustainable and reliable source of electricity.
Solar cells, also known as photovoltaic cells, are different from most other power sources in several ways. Here are the key differences:
1. Energy Source: Solar cells convert sunlight directly into electricity, making use of the photovoltaic effect. This means that they rely on the abundant energy from the sun, which is a renewable and sustainable source. In contrast, most other power sources, such as fossil fuels or nuclear power, rely on limited resources that can be depleted over time.
2. Environmental Impact: Solar cells have a much smaller environmental footprint compared to most other power sources. Fossil fuel-based power plants emit greenhouse gases and contribute to air pollution, which leads to climate change and other environmental issues. Solar cells generate electricity without any emissions, making them a cleaner and more environmentally friendly option.
3. Scalability: Solar cells can be easily scaled up or down to meet different energy needs. They can be installed on rooftops, in large solar farms, or even integrated into portable devices. This flexibility allows solar power to be used in various applications, from powering homes and businesses to providing electricity in remote areas. In contrast, many traditional power sources require large infrastructure and are less adaptable to different settings.
4. Cost: While the initial cost of installing solar panels may be higher compared to traditional power sources, solar energy has become increasingly affordable in recent years. The cost of solar cells has significantly decreased due to advancements in technology and increased production. Additionally, solar energy has the potential for long-term cost savings since sunlight is free and abundant, reducing reliance on expensive fuel sources.
5. Maintenance: Solar cells require minimal maintenance compared to most other power sources. Once installed, solar panels typically require only occasional cleaning and inspections. In contrast, fossil fuel power plants require regular maintenance and are prone to breakdowns, which can lead to power outages and disruptions.
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Four students described the characteristics of four different states of matter. The table below shows the description given by each student.
Description of States of Matter
Student Description
Timothy Molecules move freely while still in contact with one another
Amelia Ions moving independently in large space
Jack Molecules arranged in a fixed lattice
Derrick Molecules or atoms moving at high speed and colliding
Who described plasma?
Timothy
Amelia
Jack
Derrick
Answer:
I think it's B.
Explanation:
In plasmas, Ions moving independently in large space
Amelia Ions moving independently in large space, defines plasma which is one of the state of matter.
What are the four states of matter ?Matter is everything which satisfies two conditions such as mass and volume. For example atoms.
In solids, the particles are close to each other, strong attractive forces. It has a definite volume and shape.
Solids have different properties like elasticity, plasticity, rigidity, malleability, ductility, conductivity, it can be amorphous and crystalline.
Liquid is is link between solids and gases, Intermolecular forces are stronger than gases but weaker to solids.
They have high density, flowability, conductivity, viscosity, refractive index, surface tension.
Gases have no shape and volume, the velocity is much higher relative to liquids and gases.
Gas have lowest density, pressure, temperature, viscosity and it can liquefy under compression called as condensation.
Plasma does not exist in normal condition. when gas is heated to extreme temperature, plasma formed. It is also called as ionization of the gas.
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Which of the following is one stage of the cell cycle?
Cytoplasm
Cellular respiration
Interphase
Photosynthesis
Answer:
If it is a plant cell it will be photosynthesis. but if it is a animal cell it will be cellular respiration.
Explanation:
If it were up to me i would choose cellular respriation because plant and animals cells both go through it though photosynthesis is the main stage of a plant cell.
Hope this helps
Interphase is stage of the cell cycle.
What is interphase ?
Interphase is the longest phase of the cell cycle which show three sub phases and one checkpoint at each stage.
G₁ phase the cell size increases and becomes double, the raw material for DNA synthesis occur like mRNA and proteins
S phase where the replication of DNA takes place and amount of DNA become double, evenly distributed between daughter cells.
G₂ phase where the cell continues to grow and synthesize proteins. cell prepare itself to move in mitotic phase so it can divide.
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What three things most directly affect carrying capacity?
O
A. Water, money, and technology
O
B. Wood, electricity, and water
O
O
c. Money, medicine, and food
D. Food, space, and water
SUBI
Answer:
D
Explanation:
these are all needs for basic life
Two squirrel populations are said to have very little gene flow. What will most likely
happen to these populations?
a
The populations will evolve separately from each other.
b
The populations will evolve at the same rate.
c
Both populations will develop the same ratio of alleles.
d
There will be an increase in diversity within both populations.
Answer:
The correct answer is option a. "The populations will evolve separately from each other".
Explanation:
Two squirrel populations that have very little gene flow will not share their genetic adaptations to survive the changing environmental conditions that they can face. Therefore, it is very likely that the two populations will evolve separately from each other. This contrasts with species that evolve collectively since they share their genetic adaptions due to a high gene flow among them.
What is the difference between the Domains Eukarya and Bacteria
Final answer:
The primary difference between the domains Eukarya and Bacteria is that Eukarya contains organisms with cells that have nuclei and other organelles, while Bacteria consists of single-celled prokaryotes without nuclei, with genetic material that is not membrane-bound.
Explanation:
The domain Eukarya is one of the three domains of life, alongside Bacteria and Archaea, in the classification system of organisms. The chief distinction between the domain Eukarya and domain Bacteria lies in cellular organization. Organisms within the domain Eukarya possess cells with nuclei, where their genetic material is encased in a membrane-bound nucleus, and they also contain other membrane-bound organelles. These organisms range from unicellular protists to multicellular fungi, plants, and animals. In contrast, the domain Bacteria comprises entirely of single-celled prokaryotic organisms that do not have a nucleus. Instead, their genetic material freely floats within the cell, unbounded by a membrane. Bacteria have diverse lifestyles and can be found in nearly every environment on Earth, including some that are inhospitable to most other life forms. Additionally, bacterial cell walls are characterized by the presence of the polysaccharide peptidoglycan. To summarize, the significant differences between the domains Eukarya and Bacteria include cellular structure (presence or absence of a nucleus), complexity (single-celled vs multicellular), and the composition of their cell walls. The addition of the domain taxon is indicative of the constant evolution of scientific understanding, reflecting the fundamental differences discovered between various forms of life.
Name whether these are examples of weathering, Erosion
A river flowing
Rain dissolving rock
Glacier crushing rock
A mudslide
A sinkhole
A sandstorm
Answer:1-erosion
2- weathering
3- weathering
4-erosiom
5erosion
6erosion
Hope this helped! :)
Explanation:
Answer:
Weathering Erosion WeatheringErosionErosionErosionExplanation: