Answer:
D: the importance of carrying out procedures
Answer:
B. the role of creativity in scientific discovery
Explanation:
i got it right
A table tennis ball is made of plastic and has air inside it. While playing table tennis, Nakul
accidentally stepped on the ball and it was dented as shown below.What can Nakul do to restore the ball to its original shape?
A. heat the ball in hot water
B. cool the ball in the freezer
C.press the ball hard from the other side
D. bounce the ball on the floor multiple times
Lysis is best described as: A. When a cell takes in too much water from Osmosis, swells, and bursts. B. When a cell loses too much water from Osmosis, and shrinks. C. The balance of concentration inside and outside of the cell. D. The production of energy in the cell.
Answer:
A.
Explanation:
Lysis is best described as :
A. When a cell takes in too much water from Osmosis, swells and bursts.
Hope it helps!
Osmotic lysis is the bursting of a cell caused by an excess of fluid, often known as "cell explosion" or "cytolysis." The cell's membrane is too small to contain the extra fluid, leading the membrane to rupture, or lyse. Thus option A is correct.
What is osmotic lysis ?The bursting or rupturing of a cell membrane caused by the osmotic flow of water into the cell in a hypotonic environment.
Animal cells and certain microorganisms undergo osmotic lysis. Water tends to migrate inside the cell when it is in a hypotonic environment. When the cell membrane can no longer withstand the enormous influx of water, it ruptures.
Because the cell wall contains the turgor pressure, osmotic lysis does not occur in plant cells.
Therefore, lysis is best described as when a cell takes in too much water from Osmosis, swells, and bursts. Thus, option A is correct.
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Question 6 of 10
Which characteristic of water is most helpful to fish in a lake?
OA. Water molecules are polar.
OB. Two elements make
up the compound water.
OC. Water freezes at 0°C.
OD. Frozen water floats on liquid water.
SUBMIT
▷
A characteristic of water which is most helpful to fish in a lake is that: B. two elements make up the compound water.
What is water?Water refers to a liquid molecule that comprises two main chemical elements in the ratio of two to one (2:1). Also, these two chemical elements are:
HydrogenOxygenIn conclusion, a characteristic of water which is most helpful to fish in a lake is that two elements make up the compound water. Thus, a fish would be able to breathe in a lake due to the presence of oxygen in water.
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What will happen to photosynthsis if light is totally absent during the process?
Answer:
What will happen to photosynthsis if light is totally absent during the process?
Explanation:
As we all know, photosynthesis is a process for plants from the help of sunlight. So according to our knowledge we know that photosynthesis cannot be done during the absence of light. But when the light is partially present the process will not be start but the process will be slow because the energy of light will be less so the work done will also be less.
Which of the following is NOT a function of the respiratory system?
Pathogen defense
Synthesis of hormones
Gas Exchange
pH homeostasis
Vocalization
In this assessment, you will gather evidence from a current event to support the following claim: The environment and human health are interrelated.
Instructions:
Find Evidence:
Find a current event article, news story, or scientific study that presents at least three pieces of evidence that things in the environment can impact human health.
Your current event can be a written article, video, or podcast. Here are some locations where podcasts can be found.
NOAA Ocean Podcast
NPR Podcast Directory
PBS News Hour Podcast
Unfold Podcast
Evidence within your current event can be in the form of scientific observations or collected data. Here are some examples of the types of evidence you can look for in your article, video, or podcast:
Noise pollution
Housing and health
Indoor air pollutants
Public health and safety
Access to public services
Food or water contamination
Environmental radiation exposure
Provide Reasoning:
Explain how each piece of evidence from your source supports the claim.
Use vocabulary terms and descriptions of processes in your reasoning.
Download and complete the 05.04 Environment and Human Health Current Event Worksheet.
View the generic student sample below to see how to structure your claim-evidence-reasoning. *Note: The topic of this sample does not match this assessment topic and is intended as an example only.
Student Sample
The whole research cannot be provided but for instance a example for the statement " The environment and human health are interrelated". the environmental factors lead to lung and respiratory diseases in humans.
One of the most significant organs that are exposed to environmental toxins is the lung. The negative impacts of environmental agents will depend on how susceptible a person is to their influence.In particular to ozone (O3), nitrogen dioxide (NO2), particulate matter (PM), and sulfur dioxide as sources of air pollution (SO2) are some of the main toxins that cause lung problems. The ciliary cells are first altered by O3 intake. O3 is a very potent oxidant because it makes epithelial cells more permeable and reduces mucociliary clearance. Epithelial cells and alveolar macrophages are hampered in their ability to operate by NO2, a less strong and less reactive oxidant pollutant.In conclusion, air pollution interferes with both general and specialized lung defenses, making it easier for pulmonary disorders like asthma, allergies, and asthmatic acute episodes to develop.
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Junctions that permit the transfer of water, ions and molecules between cells are
a. desmosomes
b. tight junctions
c. gap junctions
d. none of the above
Answer:
gap junctions
Explanation:
I don't know how to explain it but that's the answer
please mark brainliest
Which organism does a virus infect?
animals
bacteria
plants
fungi
A virus can infect animals, bacteria, plants, and fungi.
A virus can infect a range of organisms, including animals, bacteria, plants, and fungi. Viruses are unique infectious agents that require a host cell to replicate and complete their life cycle. They possess specific mechanisms to infect and hijack the cellular machinery of their host organisms.
In animals, viruses can cause a variety of diseases, ranging from the common cold to more severe conditions such as influenza, HIV/AIDS, and COVID-19. Bacteriophages, a type of virus, infect bacteria and can play a crucial role in regulating bacterial populations in various environments.
Plant viruses can impact agricultural crops, causing diseases that affect crop yield and quality. They can be transmitted through vectors such as insects or through infected seeds.
Fungal viruses, known as mycoviruses, infect fungi and can have diverse effects on their host fungi, including alterations in growth, pathogenicity, and reproduction.
Overall, viruses have evolved to exploit a wide range of organisms, adapting to specific host cells and causing various outcomes depending on the virus-host interaction.
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Consider the following hypothesis.
Hypothesis: The germination of radish seeds is affected by the chemistry of
the soil.
Which statement of purpose best defines the objective of an experiment to
test this hypothesis?
OA. To see if radishes will grow when radish seeds are planted in soil
and given water regularly for a month.
OB. To measure the rate at which radish seeds are eaten by crows.
OC. To compare the average size of radishes grown in Minnesota with
those grown in lowa.
OD. To determine the percentage of radish seeds that germinate in
soils of different chemistry.
Answer:
to determine the percentage of radish seeds that germinate in soils of different chemistry
Answer:
D
Explanation:
As many as
300
350
400
450
eggs are released during a woman's reproductive years.
Identify the structure below: A , B, and C
Answer:
circle, pentagon and square if that's what the makeup is unless it is asking for more detail like a molecule makeup diagram?
Explanation:
Hershey and Chase labelled phages with 32P and 35S. They found that the S35 labelled protein remained outside the cell and could be removed without affecting the phage infection. 32P labelled DNA entered the bacterial cells and could be found in progeny phages. Could this experiment have been performed using radioactively labelled hydrogen and carbon?
This experiment could not be performed using radioactively labelled hydrogen and carbon
The research of Hershey and Chase has shown that the genetic material they used to create the radioactive T2-bacteriophage is DNA (Viruses that infect E. coli bacteria). Virus T2 or the Enterobacteria phage The Group-I bacteriophage includes T2.
The T2-bacteriophage belongs to the Myoviridae family and has a linear, ds-DNA genome. The head, collar, and tail are the main components of the T2-bacteriophage's body. Because of its tail, the T2-bacteriophage resembles the T4-like virus or T4-bacteriophage.
In the Hershey and Chase Experiment, radioactive phosphorus (P32) and radioactive sulphur (S35) were used to identify the phage DNA and protein in order to determine which will infect E. coli. Hershey and Chase carried out a number of studies, including infection, mixing, and centrifugation, after labeling the phage DNA and protein.
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picture has the question thank you !
Answer:
B
C
D
A
Explanation:
yw :)
Answer:
urea = principal nitrogenous waste in humans (b)
nephron = the basic functional unit of the kidney
solute = a dissolved substance
ureter = a vessel that carries urine from the kidney to the bladder
hope this helps!! :)
How are the processes of asexual reproduction and sexual reproduction different? Select three options
O In both processes, all offspring have identical DNA.
0 They involve a different number of parents.
O Only one process involves sperm and eggs.
U Only one process involves meiosis.
D Only one process involves cell division.
Answer:
0 They involve a different number of parents.
O Only one process involves sperm and eggs.
0 Only one process involves meiosis.
Explanation:
I’m 99% sure these are correct. I hope this helps! Have a great day :)
Two related populations separated by a mountain range for many generations eventually become different species providing an example of what type of speciation
Two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.
What is Allopatric speciation?Allopatric speciation is a type of speciation that occurs when a species separates into two separate groups which are isolated by a physical barrier from one another.
So we can conclude that two related populations separated by a mountain range for many generations eventually become different species is an example of Allopatric type of speciation.
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When the pancreatic duct is blocked what happens to digestion and sugar regulation
Explanation:
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Answer:
Pancreatic juices may not reach the duodenum if the duct or papilla is blocked, or if the pancreas is so damaged by disease that it cannot produce adequate bicarbonate and enzymes. Lack of pancreatic juices results in inadequate digestion.
What is the purose of using multiple control groups in an experiment?
Answer:
well the answer is yellow
Explanation:
1
Which are characteristics of carbon? Check all that apply.
covalent bonding
water soluble
generally in nonelectrolytes
low melting point
rapid reaction rate
forms a variety of compounds
Answer:
Carbon forms "covalent bonding"
"have low melting point".
"forms a variety of compounds".
Answer:
covalent bonding
generally in nonelectrolytes
low melting point
forms a variety of compounds
Explanation:
in Freudian theory, which one of the following is example of an eros instinct, which includes survival, social cooperation, and reproduction.
in Freudian theory, reproduction is an example of an eros instinct.
What is Eros for Freud?In Freudian psychology, eros, not to be confused with libido, is not exclusively sexual desire, but our vital force, the will to live. It is the desire to create life and favors productivity and construction. In early psychoanalytic writings, eros instincts were opposed by ego forces.
With this information, we can conclude that in Freudian theory, reproduction is an example of an eros instinct.
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photo has the question in it please say which answer it is :)
Answer:
Pretty sure its 2 peaks and a trough.
Explanation:
This is because most traits aee common but only a few traits, like blue eyes are rare
Question 14 of 25
Scientists are most likely to change a scientific theory if:
A. members of society do not agree with the theory.
B. the theory cannot be tested through direct observation.
C. new evidence does not support the theory.
D. a hypothesis used to test the theory is not supported.
Answer:
B. The theory cannot be tested through direct observation.
Explanation:
What is a natural, nonspecific immune response, but it is part of the body's second line of defense?
The adaptive immune response is the second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
What is second line of defense?Nonspecific resistance, which destroys invaders without targeting specific individuals, is the second line of defense: phagocytic cells ingest and destroy all microbes that enter body tissues.
The adaptive immune response is the body's second line of defense against non-self pathogens. Adaptive immunity, also known as acquired immunity or specific immunity, is found only in vertebrates.
Thus, adaptive immune system is a natural, nonspecific immune response, but it is part of the body's second line of defense.
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Answer:
it should be passive immunity
Explanation:
If potassium permanganate was placed in a solution of boiling water (100°C), would the rate of diffusion be greater than diffusion in cold water? Would diffusion of potassium permanganate in boiling water be greater than diffusion in warm water?
The rate of diffusion increases as temperature increases.Hence, the rate of diffusion will be the greatest in boiling water then warm water and cold water at last
The movement of molecules along a concentration gradient is known as diffusion. It is a significant process that all living things go through. Diffusion facilitates the flow of materials into and out of cells. Increased energy from higher temperatures causes the molecules to move more quickly, speeding up the diffusion process. Lower temperatures cause the molecules' energy to drop, which lowers the diffusion rate. The rate of diffusion increases with increasing concentration differences. The particles will move and mix more quickly at a greater temperature because they will have more kinetic energy.
Hence, the diffusion rate will be boiling water>warm water>cold water
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Using a microscope, you observe an amoeba moving toward a food source. This is an example of;
Group of answer choices
A. Reproduction
B. Adherence
C. Chemotaxis
D. Locomotion
E. Metabolism
Answer:
locomotion
Explanation:
The movement of amoeba towards a source of food is an example of chemotaxis.
In the presence of a chemical stimulus, a cell or a unicellular organism moves in the direction of the chemical stimulusThis phenomenon is called chemotaxisCells are able to sense changes in their environment such as changes in pH, temperature and the presence of chemicalsChemotaxis is used as a foraging mechanism in many unicellular organisms such as amoeba and paramoeciumAnother example of chemotaxis is the movement of insects towards nectar-bearing flowersAmoebae exhibit chemotaxis when they move toward their food source.
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oxygen will diffuse into cell in the diagram
why?
Answer: Because there's a higher concentration of oxygen molecules outside the cell compared to the cell's cytoplasm, you'll see that oxygen diffuses into the cell along this concentration gradient.
Explanation: Your welcome!!!
Oxygen will eventually diffuse into the cell because there is a higher concentration of oxygen molecules present outside the cell with respect to the cytoplasm of the cell.
What is Diffusion?Diffusion may be defined as a type of process through which the movement of individual molecules of a substance takes place from an area of higher concentration to an area of lower concentration through a semipermeable barrier.
According to the definition of diffusion, the concentration of molecules of oxygen is found to be higher in the outside of the cell as compared to the cytoplasm. So, the molecules of oxygen start the process of diffusion in order to increase the concentration of oxygen in the inner atmosphere of the cell.
Therefore, oxygen will eventually diffuse into the cell because there is a higher concentration of oxygen molecules present outside the cell with respect to the cytoplasm of the cell.
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two different groups of scientists predicted regional climate changes for California and came up with contradictory (different and opposing) results. Explain how this could happen...
Two different groups of scientists came up with contradictory regional climate changes as there are many climate zones in California based on latitude, altitude, and distance from the coast.
What climate zones are in California?Depending on latitude, height, and distance from the coast, the climate in California varies greatly, ranging from sweltering desert to alpine tundra. The coastal areas of California, the foothills of the Sierra Nevada, and a large portion of the Central Valley have a Mediterranean climate, which features warmer, drier summers and cooler, wetter winters. In coastal places, the influence of the ocean often moderates temperature extremes, resulting in milder winters and noticeably cooler summers.
The reason for this is the geographic location of the state, which stretches roughly between 32° and 42° north latitude.
Unique topographical features as well as a variety of bedrock and soil types have been produced as a result of glaciation, sedimentary and volcanic deposits, movement along fault zones, the uplift of subsurface rock and sediment layers, and progressive erosion. The topography and geography of the state have produced several local climates.
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The ER has two distinct regions that differ in structure and function. Lipids are synthesized within the ________, and protein precursors are synthesized in the ______.
Answer:
The ER has two distinct regions that differ in structure and function. Lipids are synthesized within the smooth ER, and protein precursors are synthesized in the rough ER.
All of the following are factors affecting the rate of photosynthesis except.
1. temperature
2. ultraviolet radiation
3. light intensity 4. carbon dioxide presence.
Answer:
Ultraviolet radiation does not influence photosynthesis
Answer:
Ultraviolet Radiation
Explanation:
The correct answer is ultraviolet radiation. Temperature, carbon dioxide presence, and light intensity are all critical factors in determining the rate of photosynthesis.
PLS HELP!!!!!..... WILL MARK BRAINLIEST!!!!!
What can you conclude from the graph? Select all that apply.
Higher chick survival leads to smaller clutch sizes.
Higher clutch sizes increase the parents' fitness.
Large clutch size is strongly correlated with lower chick survival.
Large clutch size causes lower chick survival.
Smaller clutch sizes increase the parents' fitness.
According to the diagram, large clutch size is strongly correlated with lower chick survival.
What is fitness?The word fitness makes reference to the ability of an organism to survive and produces offspring in an environment.
Fitness is interrelated to the emergence of adaptation that increases the survival and reproduction rate.
In the graphic, the x-axis is the average clutch size, whereas the Y-axis indicates the survival rate or fitness over the next calendar year (season).
In conclusion, according to the diagram, large clutch size is strongly correlated with lower chick survival.
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Do you think the field of
human embryology could
contribute to future medical
advancements?
