Answer: is copied.
Explanation: During replication, DNA is copied.
Answer: is xeroxed.
Explanation:
During replication,DNA is xeroxed.
Which strategy best describes a way to address polluted air? Select three options.
Answer:
replace the type of chemicals used in industrial processes
minimize the burning of fossil fuels used at industrial plants
study the effects of mold exposure on people who suffer from asthma
Explanation:
Which is one way that minerals crytallize from materials dissolved in water
From the air
From solutions that evaporate
From hot water solutions when water boils
From the soil
Answer:
From solutions that evaporate
Explanation:
Minerals can form in different ways. According to the question, minerals crystallize from a material dissolved in water when the solution evaporates. When a material dissolves in water, it forms a solution i.e. water + dissolved material.
The element constituents of the solution can aggregate to form a solid mineral, which will be left to crystallize when the solution undergoes evaporation i.e. liquid changes to gas. A very good example is when salt dissolves in water to form a salt water solution. When the water of this solution evaporates, salt crystals are left, which can crystallize to form minerals.
Answer:
From solutions that evaporate
Explanation:
What do proteins, nucleic acids, and carbohydrates all have in common?
A. They all use peptide bonds to form macromolecules.
B. They all contain the instructions for building organisms.
C. They are all formed from the same elements.
D. They are all made of chains of amino acids.
The common feature between proteins, nucleic acids and carbohydrates is ; ( C ) They are all formed from the same elements.
Nucleic acids are present in the DNA or RNA of cells of living organisms. they practically store genetic information and they are made up of long chains of nucleotides.
Carbohydrates, nucleic acid and proteins are are made up same elements which are ; carbon , oxygen and hydrogen that are combined in several ways in each of the compound.
Hence we can conclude that the common feature between proteins, nucleic acids and carbohydrates is they are all formed from the same elements.
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Proteins, nucleic acids, and carbohydrates all have in common that they are all formed from the same elements. The correct option is C.
Carbon, hydrogen, oxygen, nitrogen, and, in the case of nucleic acids, phosphorus, are the same components that go into the formation of proteins, nucleic acids, and carbohydrates.
These substances make up the fundamental constituents of organic compounds.
The building blocks of proteins are amino acids, the building blocks of nucleic acids are nucleotides, and the building blocks of carbohydrates are simple sugars (monosaccharides).
These macromolecules all have the same elements, but having diverse forms and roles, highlighting the essential roles of carbon, hydrogen, oxygen, nitrogen, and phosphorus in biological molecules.
Thus, the correct option is C.
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Two scientists do not agree on which type of grocery bag is better for the environment. The Outcome of their disagreement is most likely to be:
Answer my question , ty .
Answer:
answer is D
Explanation:
Which of these stopped operating in 2011? A. space shuttle program B. Kepler Space Telescope C. Hubble Space Telescope D. International Space Station
Answer:
space shuttle program
Identify the interaction described below Two male deer will fight each other for the opportunity to mate with a female.
An owl catches a mouse and eats it for dinner.
Answer: competition
Explanation: when its a fight its a competition
Answer:
1.=competition
2.=predation
Explanation:
Mammals that live in the Arctic Ocean have a large amount of blubber, which is a fatty tissue just beneath the skin.
Which statement best relates why these animals have so much blubber?
O Lipids in blubber insulate the animals from cold water.
O Proteins in blubber help the animals move to stay warm.
O Carbohydrates in blubber provide all the energy that the animals need to stay warm.
O Nucleic acids help build the lipids in blubber, which keep animals warm by regulating cell activities.
Answer:
Lipids in blubber insulate the animals from cold water.
Explanation:
Lipids are fatty tissue, or fats in the cells. Blubber is fat. The fat helps insulate animals from cold water, especially in the Arctic known for being freezing. Fats can help maintain and keep body heat, hence why skinnier people are colder. Without lipids, they would most likely freeze.
Answer:
Lipids
Explanation:
Its a
25 points if you answer this. Genetic drift and natural selection can both be mechanisms of evolution. However, they are very different mechanisms.
Explain how genetic drift is different from natural selection.
Which types of bacteria does the Monera Kingdom consist of ?
Answer:
Prokaryotic Bacteria
Answer:
Monera is a kingdom in biology that comprises prokaryotes, which are single-celled organism that have no true nucleus.Apr 28, 2017
Explanation:
Kingdom Monera
You have suffered from a lot of diseases that bacteria cause. But, do you think all bacteria are bad? No! The bacteria have a huge kingdom of their own that consists of a number of varieties of them. Each bacteria has a different role to play. They belong to the kingdom Monera. Here, we will know all about the kingdom Monera. We will look at both their characteristics and divisions in greater detail.
Characteristics of Monera
Monera (Monos – single) includes prokaryotes and shows the following characters:
They are typically unicellular organisms (but one group is mycelial). The genetic material in these organisms is the naked circular DNA. A nuclear envelope is absent. Both, ribosomes and simple chromatophores, are the only subcellular organelles in the cytoplasm.
Sap vacuoles do not occur. Instead, gas vacuole may be present.
The predominant mode of nutrition is absorptive but some groups are photosynthetic (holophytic) and chemosynthetic.
The organisms are non-motile or move by the beating of simple flagella or by gliding.
Bacteria Shape
Cocci: They are oval or spherical in shape.
Bacilli: They are rod-shaped. They may or may not have flagella.
Vibrios: These are small and ‘comma or kidney’ like. They have a flagellum at one end and are also motile. Vibrio bacteria has a curve in its cell.
Spirillum: They are spiral or coiled like a corkscrew. The spiral forms are usually rigid and bear two or more flagella at one or both the ends e.g., Spirillum, Spirochaetes etc.
Filament: Just like fungal mycelia, the body of the bacterium is filamentous. The filaments are very minute in size. Examples include Beggiota, Thiothrix etc.
Stalked: The body of bacterium possesses a stalk e.g., Caulobacter.
Budded: The body of the bacterium is swollen at places e.g., Rhodomicrobiu
Structure of Bacteria
Capsule: In a large number of bacteria, a slimy capsule is present outside the cell wall. It is composed of polysaccharides and the nitrogenous substances (amino acids) are also present in addition. This slime layer becomes thick, called, capsule. The bacteria, which form a capsule, are’ called capsulated or virulent bacteria. The capsule ‘is usually found in parasitic forms e.g., Bacillus, anthracite, Diplococcus pneumoniae, Mycobacterium tuberculosis.
Cell wall: All bacterial cells .are covered by a strong, rigid cell wall. Therefore, we classify them under plants. Inner to the capsule, the cell wall is present. It is made up of polysaccharides, proteins and lipids. We also find D-glutamic acid and diaminopimelic acid.
Monera
Plasma membrane: Each bacterial cell has a plasma membrane. It is situated just internal to the cell wall. It is a thin, elastic and also differentially or selectively permeable membrane.
Cytoplasm: The cytoplasm refers to a complex and aqueous fluid or semifluid ground substance (matrix). This material consists of vitamins, salts, enzymes, carbohydrates, soluble proteins, co-enzymes, lipids, mineral and nucleic acids. The organic matter is present in the colloidal state.The cytoplasm is granular due to the presence of a large number of ribosomes.
Nucleoid: It has other common names like genophore, naked nucleus or incipient nucleus. There is nuclear material in these, DNA. It is double helical as well as circular. Some kind of typical protein surrounds it. However, these are not histone proteins.
Plasmids: In addition to the normal DNA chromosomes, many bacteria (e.g., E.coli) have extrachromosomal genetic elements or DNA. These elements are plasmids. They are small circular double-stranded molecules.
Flagella: These are fine, thread-like, protoplasmic appendages. These extend through the cell wall and the slime layer of the flagellated bacterial cells. These help in bacteria to swim about in the liquid medium.
Pili or Fimbriae: Besides flagella, some tiny or small hair-like outgrowths are present on the bacterial cell surface. These are pili. They comprise of pilin protein. They consequently measure about 0.5-2 mm in length and 3-5mm in diameter.
Nutrition in Bacteria
On the basis of mode of nutrition, we can group bacteria into two broad categories. First is autotrophic whereas second is heterotrophic bacteria.
Autotrophic bacteria: These bacteria are able to synthesize their own food from inorganic substances, as green plants do. They derive their carbon from carbon dioxide. The hydrogen needed to reduce carbon to organic form comes from sources such as atmospheric H2, H2S or NH3.
Heterotrophic bacteria: Most of the bacteria cannot synthesize their own organic food. They consequently depend on external organic materials. They require at least one organic compound as a source of carbon for their growth and energy. Such bacteria are heterotrophic bacteria. Heterotrophic bacteria are of three types: Parasites, Saprotrophs and Symbionts.
Which of these statements indicates an experiment is systematic?
A. The experiment is repeated many times.
B. The experiment is about a testable question.
C. The experiment is very complicated and uses lots of chemicals.
D. The experiment includes a good plan for what measurements to take.
Answer:
Since the control is different, making an accurate prediction for this test is difficult.
Explanation:
Nerve cells are found in _____.
O plants
O trees
O humans
O grasses
Answer:
Humans
Explanation:
Because humans have nerve cells in them and not many things have this except for animals
Answer:
humans
Explanation:
Because humans have nerve cells and no other thing does except animals
Which describes gas exchange in the respiratory system?
Answer:
The alveolar membrane- is where gas exchange between the blood and the atmosphere takes place. The gas molecules must diffuse across the alveolar epithelium and the capillary endothelium. ... Thus, the alveolar surface (as well as the respiratory bronchioles) have no cilia or mucus layer.
Explanation:
hope it helps =)
Answer:
A - Gas exchange happens through diffusion.
cell engulfs microorganisms in cell "eating":
pinocytosis
active transport
phagocytosis
passive diffusion
facilitated diffusion
i am usually single-stranded. is it DNA O RNA ?
Answer:
RNA
Explanation:
DNA is double-stranded DNA mostly and RNA is single stranded mostly.
Club mosses are closely related to:
A. ferns
B. mosses
C. liverworts
Answer:
A. FERNS
Explanation:
Choose the FALSE statement about the space shuttle program. A. It lasted over 30 years. B. It launched the Hubble Space Telescope. C. It conducted scientific experiments in lunar orbit. D. It helped in the creation of the International Space Station.
The space shuttle can only get as high as the low-earth orbit (LEO). This is a few hundred or so miles within the earth's surface. Compare this to the distance from the earth's surface to the moon is about 238,855 miles on average.
According to NASA's website: "It does not carry enough propellant to leave Earth's orbit and travel to the Moon. The Space Shuttle also is not designed to land on the Moon since it lands like an airplane and the Moon has no atmosphere"
Where does meiosis take place?
Answer:
Meiosis takes place in germ line cell.
Invovled in reproduction.
Explanation:
Answers:
Diploid cells
Explanation:
Meiosis takes place to produce two gametes or sex cells
what are the molecules that make up the DNA rail?
what are the three aspects of environment
Answer:
An environmental aspect is an element of an organisation's activities, products, and services that can interact with the environment. These can include discharges to water, emissions to air, waste and use of natural resources and materials.
Explanation:
HOPE IT HELPS :D
Answer: activities, products, and services
Which plays the greater role in the development of human behavior – nature or nurture? Why? NEED ANSWER ASAP
Answer: Explanation: Human behaviour is a social perspective and hence nurturing has a pivotal role in shaping the character of a human being. Nature however is more prominent in shaping physical characteristics of an individual.
HOPE THIS HELPS ❤✌
Nature (Genetics) of someone decide the higher and lower limit or the extremes of a characteristics and nuture (environment and upbringing) plays at intervals that limit to decide the particular characteristics.
How will nurture have an effect on a child's development?Nurturing care not solely promotes physical, emotional, social and psychological feature development, it additionally protects young youngsters from the worst effects of adversity.
What are the different nurture factors?our early childhood experiences, how we were raised, our social relationships, and our surrounding culture.So, this can be why nurture plays nice role.
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what is current pandemic disease spreading in the world
Answer:
Corona disease ( There is no specific treatment for disease caused by a novel coronavirus)
Explanation:)
The virus can cause a range of symptoms, ranging from mild illness to pneumonia. Symptoms of the disease are fever, cough, sore throat and headaches. In severe cases difficulty in breathing and deaths can occur.
.
HAVE A NICE DAY !
Answer:
Corona Virus.
Explanation:
what animals that grow naturally in the Pacific Northwest and Kitsap Peninsula ? please help
Answer: Pacific Northwest Animals & Birds
Spotted and snowy owls. Bald and Golden eagles. Pileated woodpecker. Rufous hummingbird. Great Blue Heron and Canada goose. Seabirds, including cormorant. Bear. Olympic marmot.Kitsap Peninsula:
Marine mammals of the sound include orcas, sea lions, sea otters, gray whales, humpback whales, and harbor seals. Underwater plants provide food, breeding areas, nurseries, and resting places for wildlife in the sound.
which correctly describes their offspring
Answer:
Is there more to this question?
Explanation:
Give two causes of Malnutrition
HELP :)
Answer:
Two causes of Malnutrition are not eating enough food and or not drinking enough water.
Explanation:
Would you expect the plants and animals present in the southeast of the U.S. To be similar or different to that of the plants and animals present in Northeast Africa?
Answer:
Different
Explanation:
The climatic conditions or weather conditions of the southeast of the United States are different to that of the northeast Africa. And because of this, the two zones are not expected to have the same type of animals.
For example, the weather conditions of the southeast of the United States are humid and thunderstorms, while that of the northeast Africa are hot and dry.
Which of the following correctly describes the importance of the nitrogen cycle?
to recycle oxygen-based compounds
to replenish nitrogen in the atmosphere
to decompose dead plant matter
to replenish gases required by plants
Which statement is true of DNA polymerase?
Answer:
b) DNA polymerase can synthesize DNA in the 5' to 3' direction
DNA polymerase is only able to synthesize a new strand of DNA and not mRNA. It is only able to do this in the 5' to 3' direction. The leading template strand runs in the 3' to 5' direction and so the new complementary strand is synthesized in a 5' to 3' direction in one continuous run, following the replication fork as it 'unzips' the DNA.
hope it helps btw i did this test and i got it correct
check my screenshot below
please mark me brainliest
Explanation:
Please help. I will mark you as brainliest and give you points :)
Answer:
A hummingbird feeding: Mutualism
Explain Interaction: The hummingbird drinks the nectar from the flower and the hummingbird may help pollinate the flower.
I'm a bit confused by the plants on the floor one.
Plants on a Forest Floor: Competition
Explain Interaction: The plants on the forests floor compete with each other for the same resources. Both may not receive enough of those resources. Note: When I was around Middle School and High-school I was only taught mutualism, commensalism, and parasitism, so let me know if competition is not a choice your teacher gives you to choose from or wasn't taught to you
Flea bites human: Parasitism
Explain Interaction: The flea drinks the persons blood as food and the person is hurt. Flea bites can be itchy and become painful. Fleas may also also carry disease.
Clownfish in Anemone: Mutualism (although I hear some people say commensalism)
Explain Interaction: The anemone provides protection and a place to live for the clownfish. The anemone may eat bits of food left over from the clownfish.
Short hair (S) is dominant to long hair (s) in cats. What would be the genotype(s) of a cat with long hair
A SS or Ss
B ss
C Ss
D SS
Answer:
A,C,D
Explanation:
Pretty much just A
What was Anton van Leeuwenhoek’s contribution in the development of cell theory? A. He built the first compound microscope. B. He was the first to observe live cells in a sample of pond water. C. He concluded that cells exist in liquids. D. He stated that all living things are made of cells.
Answer:
B. He was the first to observe live cells in a sample of pond water.
Explanation:
He was a self taught man that created the first microscopes which allowed him and others to see tiny organisms.
The other answers are not correct as Hans made the first microscope, cells existing in liquids were not a critical part of micro biology, and it was Schlieden and Schwann who created the cell theory that stated that all living things were made of cells.
Answer:
b
Explanation:
