Answer: fungi parasites and viruses can be grown in a lab when appropriate conditions are met
Explanation: The precise characteristics of the growing culture can be used to identify the specific microbe
What material is too important to ever
leave the nucleus?
A. DNA
C. Ribosomes
B. Protein
D. Mitochondria
Answer:
A. DNA
(out of all the options, the DNA molecules must never leave the nucleus)
Correct option:
What is D.N.A.?Discoverer: Friedrich Miescher
Date of Invention: 1869
'DNA' is usually defined as: deoxyribonucleic acid: an extremely long macromolecule that is the main component of chromosomes and is the material that transfers genetic characteristics in all life forms, constructed of two nucleotide strands coiled around each other in a ladderlike arrangement with the sidepieces composed of alternating phosphate and deoxyribose units and the rungs composed of the purine and pyrimidine bases adenine, guanin, cytosine, and thymine: the genetic information of the DNA is encoded in the sequence of the bases and is transcribed as the strands unwind and replicate.
Other options:
What are ribosomes?A cell organelle constructed in the nucleolus and functioning as the site of protein synthesis in the cytoplasm; consists of rRNA and protein molecules, which make up two subunits.
What is protein?Any of the numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one more polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized form of collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
What is the mitochondria?An organelle in the cytoplasm of cells that function in energy production.
The "powerhouse" of a cell.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a ________ charge.
If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?This occurs when the neuron is completely depolarizes back and the cell gets back to the resting potential.
The inside of the cell temporarily has a positive charge which is why it was chosen as the most appropriate choice.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?An action potential may be defined as a temporary alteration in the neuron's membrane potential induced by ions unexpectedly flowing in and out of the neuron.
The inside of the membrane becomes positive due to the influx of Na+ ions and efflux of K+ ions during the mechanism of electrical impulse.
Therefore, it is well described above.
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What provides the carbon atoms that are incorporated into sugar molecules in the calvin cycle?.
The answer of this query is discussed below:
What do you mean by the Calvin cycle?The Calvin cycle converts airborne carbon molecules directly into plant material. Because plants are the foundation of the energy pyramid in most ecosystems, the Calvin cycle is crucial to their survival.
The carbon atoms needed for photosynthesis to create sugars are found in carbon dioxide. RuBP is initially combined with carbon dioxide, and RuBP is then renewed to complete the Calvin cycle.
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Which eye structure is primarily responsible for making the adjustments required to focus on objects both near and far?.
Answer:
The lens
It helps to focus on objects and light
A page is to a book as a ___________ is to the genome.
A page is to a book as a gene is to a genome.
What is the relation between a gene and a genome?
A gene is a fundamental unit of heredity and a DNA sequence that determines the production of a specific gene, which can be a RNA or protein.
However, the genome is the collection of or the total of all the DNA sequences in an organism.
Therefore, as a page which is a unit is to a book, so as the gene is to the genome.
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How is nitrogen gas fixed biologically?
A. combustion of fossil fuels
B. decomposition of organic matter
C. respiration of living organisms
D. bacteria in plant roots and soil
Answer:
D. BACTERIA IN PLANT ROOTS AND SOIL
which of the following lacks sufficient penetrating power for bulk sterilization? a. ultraviolet (uv) radiation at 260 nm.b. x rays.c. gamma radiation.d. alpha and beta particles.
Alpha and beta particles lacks sufficient penetrating power for bulk sterilization
What is Bulk sterilization?Bulk sterilization is a means of reducing contaminants using a vessels at a very high temperature.
Among the particles we have, alpha particles is known to have a low penetrating power compared to gamma radiation. Hence we can conclude that alpha and beta particles lacks sufficient penetrating power for bulk sterilization.
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Carbon dioxide released during ATP synthesis is being transported from our tissues back to the lungs, some of it is dissolved in plasma, the rest is converted and transported as other substances. Most of the carbon dioxide is converted into ______.
Answer:
HCO3
Explanation:
What about Earth allows it to maintain bodies of water?
OA. Weak gravity and high temperatures
OB. Moderate temperatures and strong gravity
C. Strong magnetic fields and lunar tides OD. Comet crashes and mountains
Answer:
Letter C is correct
Explanation:
Earth's moderate temperatures allow water to exist in all three states: solid, liquid, and gas. Its strong gravity keeps the water from escaping into space. Hence option B is correct.
The other options are not correct. Weak gravity would not be able to hold water on Earth, and high temperatures would cause the water to evaporate.
Strong magnetic fields and lunar tides do play a role in shaping Earth's oceans, but they are not the primary factors that allow Earth to maintain bodies of water.
Here are some other factors that help to maintain bodies of water on Earth:
The Earth's atmosphere, which traps heat and prevents the water from freezing.
The Earth's rotation creates the Coriolis force, which helps to distribute the water evenly around the planet.
The Earth's tilt, which causes the seasons, affects the amount of sunlight that reaches different parts of the planet and affects the temperature of the water.
Therefore, option B) Moderate temperatures and strong gravity are correct.
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A scientist discovers an unknown multicellular organism with an endoskeleton.
Which kingdom does the organism most likely belong to?
Protista
Plantae
Animalia
Archaea
The unknown multicellular organism with an endoskeleton most likely belongs to the kingdom Animalia. Thus, the correct option is C.
What is Kingdom?Kingdom may be defined as a taxonomic classification of the second-highest rank, just below the domain and above the phylum.
Endoskeleton is found in the kingdom Animalia and refers to the skeletons which are present inside the body of the organisms that provide structural support and protection and assist them in migration.
Therefore, the correct option is C.
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Monotheism is
a religion that believes in many gods.
an agnostic position toward the existence of god.
religion that believes in the existence of one god.
a belief that god does not exist.
Scientists predict that the human population will continue to increase. Which
two events are likely to occur as a result?
A. The amount of water released into streams and rivers will
increase.
B. The amount of natural space will decrease as suburban areas
increase.
C. More people will move to the cities, increasing the amount of
natural space.
D. Air pollution will increase due to increased use of fossil fuels.
Answer:
Air pollution will increase due to increased use of fossil fuels and the amount of natural space will decrease as suburban areas increase.
Which is an example of summarizing and reevaluating?
An example of summarizing and reevaluating can be seen in Increasing monitoring of the pati
What is a Summary?
This refers to the concise representation of the main points in a text in an objective manner.
Hence, we can see that after the summary has been done, to make a re-evaluation is important to see if there are missed details, and from the complete text, there is the list of items and the best answer is option D which is Increasing monitoring of the pati.
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diphtheria causing agent mode of Transmission, incubation period,symptoms and preventive measures and cure
answer it faster and faster
Answer:
vf
Explanation:
fg
Diptheria is a serious infection mainly caused by a specific type of bacteria. This diseases is associated to different symptoms.
What is the causing agent?This disease is caused by Corynebacterium diphtheriae, which is a specific type of bacteria. Moreover, this bacteria produces toxins and this is the cause of the symptoms.
How is it transmitted?This can be transmitted through saliva droplets from one infected person to a healthy person. Usually, symptoms appear within 5 days after getting the bacteria.
What are the symptoms?Although this disease has many symptoms, the most important ones are sore throat and gray lining on the throat and nearby areas.
How to prevent it or treat it?Antibiotics and antitoxins are often used, but the best is to prevent it through vaccination.
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How can we say that added sugar is not necessary for our health (it's not), when we learned that
aerobic cellular respiration uses glucose as a fuel source?
Answer:
more than likely fruits and berries or natural sugars
Explanation:
Eukaryotes such as animal and plants cells differ from prokaryotes in that prokaryotes.
Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.
What are prokaryotes?Prokaryotes are microorganisms characterized due they do not have organelles or cell nuclei.
Conversely, eukaryotes contain their genetic material compartmentalized into a cell nucleus.
In conclusion, Eukaryotes such as animal and plant cells differ from prokaryotes in that prokaryotes do not have either organelles or cell nuclei.
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a eukaryotic chromosome consists of _____
A eukaryotic chromosome consists of histones.
Properties of eukaryotic chromosomeEukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.
Eukaryotic chromosomes consists of histones which are condensed and DNA surrounding nuclear proteins.
Therefore, a eukaryotic chromosome consists of histones.
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Which of the following caused the mortality rates to significantly decrease starting in the 17th century
Answer:
The significant decrease in mortality rates starting in the 17th century is due improved Hygiene, sanitation, healthcare.
Explanation:
Suggest why glucose is converted to glycogen rather than kept as glucose inside the cells
Explanation:
after a main glucose and the liver and level of blood glucose rise this successful course is guilt with by the glucose lenses which is the liver Converse glucose into glycogen for storage the glucose that is not stole is used to produce energy by a process called glycolysis
State two examples of each plant cell and animal cell
Answer:
(a)root hair cell and palisade cell
(b)Blood cell and Tissue cell
Propane is burned to provide the heat in many cooking grills. The chemical
reaction for this process is shown in the equation below.
C3H8 +502 → 3 CO2 + 4H2O + energy
What are the products in this chemical reaction?
A. C3H8 +502
B. 4H₂0 +502
C. 3C0₂ + 4H₂O + energy
D. C3H3 +3CO2 + energy
Answer: it's 3CO2+4H2O+Energy
Propane is a linear alkane of formula C3H8. It is mainly used as fuel (this is the main component of liquefied petroleum gas) in cooking and chemical industry reactions.
The reaction of its complete combustion by the presence of oxygen is:
C3H8 (gas) + 5O2 ==> 3 CO2 + 4H2O + energy (2220⋅kJ)
As we can see, propane can release carbon dioxide and water as every combustion reaction, and a lot of energy in the form of heat.
A scientist notices that a lump of niobium is warm to the touch and wonders if nuclear reactions are taking place in the metal. How can she find out?.
Checking for the presence of alpha, beta, and gamma particles will determine if nuclear reactions are taking place.
What is a Nuclear reaction?This reaction occurs when two or more nuclei fuse together to form a new one and is characterized by heat also.
Its unique property is the presence of radiations which is why the presence of alpha, beta, and gamma particles should be checked.
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A scientist can find out whether a nuclear reaction is taking place or not by inspecting the presence of alpha, beta, and gamma particles.
What is Nuclear Reaction?A nuclear reaction may be defined as a strategy in which the nucleus of an atom is transformed by being shattered apart or united with the nucleus of another atom.
The complete question is as follows:
Measure the metal’s temperature.Check for the presence of alpha, beta, and gamma particles.Look for the presence of niobium compounds.Place the niobium in a pressurized container, and see if the lump becomes warmer.Therefore, the correct option for this question is B. This is because the influential existence of these particles is a characteristic indicator of radioactive decay which means unstable atoms spontaneously experience a nuclear reaction.
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In which of the following ways did Rome limit the consuls' power?
A. Consuls held unlimited power.
B. The consuls served for only one year terms.
C. Consuls were forced to leave Rome for four years following their terms as consul.
D. Consuls were chosen by lot.
Answer:i believe the answer was D
Explanation:i think it is
These protein-based substances enhance digestion by making chemical reactions more likely to happen. group of answer choices bile emulsifiers enzymes hormones
Answer:
The answer is enzymes..
Herbivores have teeth designed for
eating...
A. Plants only
B. Animals only
C. Plants and animals
Answer:
A. Plants only
Explanation:
Herbivores are animals that only eat plants. So therefore A. Plants only is the answer. Brainliest?
Answer:
A. Plants only
Explanation:
Hope It Helps!!!
Electroporation is a technique used for __________
Electroporation is a technique used for inserting DNA into cells
What is Electroporation?Electroporation is a physical transfection method that uses an electrical pulse to create temporary pores in cell membranes through which substances like nucleic acids can pass into cells.
Electroporation is highly efficient for the introduction of foreign genes into tissue culture cells, especially mammalian cells.
Hence, electroporation is a technique used for inserting DNA into cells
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What is the main function of fungus’s hyphae?
Absorption of nutrients
Movement in water
Predator protection
Photosynthesis
The main function of fungus’s hyphae is the Absorption of nutrients by the fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes.
What are the fungal hyphae?The fluttery filaments that make up multicellular fungi are called hyphae. As they consume resources from a food source, they release enzymes. Chitin makes up the rigid cell wall of hyphae. In pursuit of more food sources, they spread out from a tip and continue to expand.
The substrate is broken down by digestive enzymes secreted by the hyphae, which makes it simpler for the fungus to absorb the nutrients it contains. The fungus has a very wide surface area compared to its volume, which indicates that it is in close contact with its surroundings.
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Answer: it’s A
Explanation: truss it is
what is the main use of technology
Answer:
Technology plays an important role because it helps us deal with the complexities of life. Everyone having daily use over want or need.
Things technology helps with daily. ...
Communication. Nowadays we have phones and other devices that we can use to contact loved ones or people we need help from, unlike the old days.
Education. Some students use virtual school for a more flexible schedule or just o keep learning at home without a classroom or place to be needed.
Health. For example, MRI scan, CT scan, x-ray, or ultrasound are tech used at hospitals.
Internet searches. We can go to multiple research platforms and get answers to our questions from world experience or even find out abt our history.
House assets. Things like refrigerators, microwaves, stoves, lamps, fans/AC, TVs, tech assistants (If you have) and more.
Hope this helps but there's too many things to list!
A woman with type a blood (genotype: ao) is married to a type b person (genotype: bo). What blood types will their children have?
The blood types of the children formed from a woman with type A blood (genotype: AO) is married to a type B person (genotype: BO) is:
ABAOBOOOHow to cross parents with specific genotype?According to this question, a woman with genotype AO is crossed with a man of genotype BO.
This means the following cross will be performed:
AO × BO
The offsprings of this cross will have the following genotype:
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A scientist is examining a simple multicellular organism with a nucleus and specialized organelles that was found in a moist environment. What kingdom does this organism belong to?.
Answer:
Kingdom Protista
Explanation:
They have a nucleus, are multicellular, and prefer moist enviornments.
