Shania has a family history of a genetically inherited disease. Based on this information, which statement is true? O Shania has an increased risk of the disease. Shania will get the disease at some point in her lifetime. O If Shania makes unhealthy choices, she will get the disease. The disease will be expressed in all her offspring that have that gene.
Answer:
Shania will get the disease at some point in her life
Explanation:
this will happen because the sickness is genetically implanted in her family
Answer:
The diesease will be apart of the genes in her offspring.
Explanation:
Often times mothers with the sickness gene will spread down the gene therefore starting the generational infection in the first place.
Biological concepts began with the Greeks,romans,Egyptians, or Americans?
Answer:
Egyptians
Explanation:
The earliest of roots of science, which included medicine, can be traced to ancient Egypt and Mesopotamia in around 3000 to 1200 BCE.[14][15] Their contributions later entered and shaped Greek natural philosophy of classical antiquity
How much of the world's population is infected with the tuberculosis bacterium?
A. 1/10
B. 1/3
C. 1/2
D. 1/5
E. 1/20
Answer:
23% im pretty sure that is the answer if i remember right
15. The movement of molecules in a fluid or gas from a region of higher
concentration to a region of lower concentration is called:
Explanation:
in gases it is called diffusion:)
Describe an example of the scientific method. Include any limitations this method has.
Which of the following is not true regarding the establishment of a neuron's resting membrane potential?
a. Resting membrane permeability to Na+ is very low.
b. Ion pumps in the plasma membrane eject sodium ions as fast as they cross the membrane.
c. Electrical forces do not push sodium ions into the cell.
d. Chemical and electrical forces both favor sodium ions entering the cell.
e. The chemical gradient for potassium ions tends to drive them out of the cell.
Answer:
c
Explanation:
please help
Which part of the Sun can be seen only during a solar eclipse? O A. Chromosphere B. Convection zone O C. Corona D. Photosphere
Answer:
chromosphere
Explanation:
Its the outmost layer of the sun, the only part that is visible on an eclipse.
Answer:
chromosphere
Explanation:
It is only visible during total solar eclipses or with sophisticated telescopes.
1. Which of the following lists includes cellular structures found
in both plant and animal cells?
A. Chloroplasts, cell wall, cell membrane, cytoplasm
B. Vacuoles, cell membrane, nucleus, mitochondria
C. Cell membrane, cytoplasm, nucleus, cell wall
D. Chloroplasts, vacuoles, cell wall, cytoplasm
Answer:
C. Cell membrane, cytoplasm, nucleus, cell wall
Explanation:The plant cell and the animal cell can be differentiated by the presence of organelles in them.although both are classified as eukaryotes, the presence of the cell wall, vacuoles, and chloroplasts are the most remarkable and distinguishing components of the plant cells which are absent in the animal cells.
Which kind of rock is most likely to contain a trilobite fossil?
1) sedimentary
2) igneous
3) metamorphic
4) plutonic
Explain how it formed. Thank you.
Answer:
Sandstone
Sandstone contains fossils of creatures such as trilobites, brachiopods, crustaceans, bryozoans and plants. Remains of land animals like mastodons and dinosaurs are much more likely to be found in sandstone.
Explanation:
thank me later
Why is it important to know the proper ways on how to sustain Earth's resources?
⚠Nonsense = Report
Answer:
Sustainability is important for many reasons including: Environmental Quality – In order to have healthy communities, we need clean air, natural resources, and a nontoxic environment. ... We need clean air, natural resources, and a nontoxic environment.
Hydrothermal vent ecosystems do not have sunlight available, and hence there are no kinetic energy. Instead, play the role of on which other organisms rely for energy. They compounds such as hydrogen sulfide to obtain energy for themselves. This energy is used to sugar molecules. create an additional energy transfer when they these sugars or eat each other. As in other ecosystems, organisms in hydrothermal vent communities also transform into other forms, such as (energy of motion).
Answer:
- Hydrothermal vent ecosystems do not have sunlight available and hence there are no photoautotrophs.
- Instead, chemoautotrophs play the role of producers on which other organisms rely for energy. They oxidize compounds such as hydrogen sulfide to obtain energy for themselves. This energy is used to synthesize sugar molecules.
- Consumers create an additional energy transfer when they utilize these sugars or eat each other.
- As in other ecosystem organisms in hydrothermal vent communities also transforms chemical energy into other forms such as kinetic energy (energy of motion).
Explanation:
A hydrothermal vent is a geyser on the seafloor that is generated by underwater volcanoes or tectonic activity through which geothermally heated water erupts. Hydrothermal vent ecosystems contain hydrothermal microorganisms which are able to survive just outside the hottest waters. For example, Methanopyrus kandleri are hyperthermophile prokaryotic microorganisms that live in these ecosystems where they produce methane from reducing CO2. Chemosynthesizers are able to convert carbon molecules (e.g., CO2) and nutrients into organic matter by the oxidation of inorganic compounds such as hydrogen sulfide and/or ferrous ions. Moreover, hydrothermal vent ecosystems have the potential to support high biomass and productivity levels due to the establishment of symbiotic relationships between chemosynthesizers with respiring heterotrophs, which obtain energy from other organisms. Chemosynthesizers are eaten by other organisms (e.g., amphipods and copepods), whereas larger organisms (e.g., snails and crabs) form predator and prey relationships above these primary consumers.
This is the type of ecosystem found on seafloor with geothermally heated water discharges. It lacks sunlight and there are no presence of photoautotrophs.
Organisms present mostly convert chemical energy into other available forms.
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What are the parts of the chloroplast? What does each part do?
When performing the streak for isolation technique, your result is unexpected: There is only growth obtained in quadrant 1. The growth observed in quadrant 1 is as expected, heavy with no isolated colonies. However, no growth is visible in any other quadrants.
Which of the following errors could explain this unexpected result?
A) The loop did not cross into quadrant 1 when streaking quadrant 2
B) You forgot to flame the loop in between quadrants
C) All of the errors listed here could be responsible for this unexpected result
D) Not enough bacteria was obtained from the starting culture when streaking quadrant 1
Answer:
A) The loop did not cross into quadrant 1 when streaking quadrant 2
Explanation:
The streak for isolation technique is a method used to get isolated bacterial colonies. This technique consists of, in a petri dish with culture medium, where, with the help of an inoculation loop, the bacteria are scratched on one side of the dish. This side is called the first quadrant. This inoculation loop must then cross with the first quadrant and be dragged to the second quadrant, where new lines must be made. This allows a part of the bacteria from the first quadrant to be carried over to the second. The inoculation loop must cross the second quadrant again to inoculate the third quadrant, and so on.
In this case, we can see that for bacterial colonies to grow in all quadrants, it is essential that the loop crosses in the first quadrant to cross out the second quadrant. If not, only the first quadrant will have bacterial colonies.
Answer:
A) The loop did not cross into quadrant 1 when streaking quadrant 2
Explanation:
There are many different techniques to isolate bacteria populations. Using solid media such as agar, you can perform the streak for isolation technique.
What you want to do by using this technique is to get an isolated colony of the bacteria of interest. And to get it, you need to dilute a sample or inoculum of bacteria as much as possible by streaking it. Every time you do it, you take fewer amounts of cells from the original sample, separating them each time more, to the point of having only one single cell apart by a few millimeters from another cell. The isolated cell divides and forms a new pure colony.
So basically, you need to imaginary divide the agar plate into four quadrants.
You sterilize the loop carefully and take a sample of bacteria, trying to get the smallest amount of inoculum. You will apply the loop with the sample in quadrant one and spread it. You close the plate and turn it, placing the second quadrant in front of you. You sterilize the loop again on the flame and let it cool. You perform the same motion in quadrant two but carefully touching the edge of quadrant one, so you can take some of the cells that you have already spread on it. Once you spread quadrant two, you close the plate and turn it again, so quadrant three is in front of you. You sterilize the loop again on the flame and let it cool. You perform the same motion in quadrant three but carefully touching the edge of quadrant two. Close and rotate the plate. You sterilize the loop and repeat the same motion in the last quadrant. Close the plate and take it to incubation. Finally, you put the loop on the flame for the last time.The importance of extending the streaks into the anterior quadrant is to take a few cells from there and to spread them in the following quadrant. In this way, you are diluting the original inoculum, and separating the cells each time more. The fourth quadrant should have a few isolated cells that will reproduce and form a pure colony. If you do not touch the anterior quadrant while streaking, you will not have any cell in the quadrant, and you will not observe any colony after the incubation. The importance of sterilizing the loop every time you change the quadrant is to avoid contamination with other species. If you do not flame the loop, the result will be too many colonies of different species, probably touching themselves, in each quadrant.difference between enzyme and inorganic catalysts
Answer:
Enzymes catalyze a reaction which in presence of a catalyst proceeds the reaction faster. Inorganic catalysts promote a chemical reaction between many different reactants. Enzymes are proteinaceous in nature whereas inorganic catalysts are not proteinaceous in nature.
Explanation:
Please help!!
Why doesn't cloud formation take
place until the dew-point temperature is
reached?
Answer:
Clouds form when air reaches its dew point, the temperature when the air is saturated. This can happen in two ways. First, the air temperature can stay the same while the humidity increases. This is common in locations that are warm and humid.
Explanation:
Answer: The moisture in the cloud affects the weather.
Explanation:
thats why
Lucas places 20 kg samples of each substance by the same heat source all samples are at the same initial temperature which sumvstance will have the greatest temperature after some period of time
Answer:
Metallic structure with black colour body.
Explanation:
The substance has metallic structure and black colour body will have greatest temperature among other substances because metallic structure and black colour of body heat up very quickly. Metals have free electrons which make it the best conductor of electricity and heat while on the other hand, black colour is a good absorbent which absorb heat very quickly so that's why we can say that metallic solids are the substance that have the greatest temperature.
Answer:
copper
Explanation:
it copper because it have less specific heat (j/kgoc)
Many scientists claim that the facts support the belief that climate change is really happening. By examining scientific research and evidence, you will better understand issues and cut through the myths. As you read in the unit, it is important to carefully consider evidence because there is a lot of information in the public sphere that looks like science but it is not based on the scientific method. For this activity, you are going to do your own research on global warming and sort out the facts for yourself. Do research online to find evidence about global warming. To find reliable information, be sure that you use reliable websites, such as those from government organizations (.gov) or universities (.edu). You can also look at publications that are reputable, such as Popular Science, Discover, or National Geographic. Find a minimum of three sources that provide evidence about global warming.
Climate change is strong evidence of global warming. The data maintained by the concerned departments shows that as the graph of global warming rose, adverse changes in the climate occurred.
Therefore, an increase in global warming and change in climate is directly related. The increase in the speed of the melting iceberg can be seen as the temperature or global warming has increased.
What are the effects of climate change?Climate is a very important factor in the lives of all living organisms, because it is one of the major factors that determine if a living organism is going to survive or not.
Climate change is said to occur when there are changes in the earth's climate system, which result in the formation of new weather patterns that last for a long time.
Climate change affects living organisms in different ways; while climate change is beneficial to some organisms, it is detrimental to some. For instance, in Europe, climate change (increase in temperature) has been found to have positive effects on some bird populations.
Thus, this could be the answer.
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Why do we have to get the flu shot every year ?
Answer:
Because flu viruses evolve so quickly, last year's vaccine may not protect you from this year's viruses. New flu vaccines are released every year to keep up with rapidly adapting flu viruses.
All of the different organisms interacting in a pond make up:
A) a community
B) a population
C) the water cycle
D) the habitat
Answer:
Hi, there your answer is a community
Explanation:
From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes
Answer:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion.
Explanation:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion. There are three types of tonicity i.e. hypertonic, hypotonic and isotonic solution. If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink due to more solute in the external environment. In an isotonic environment, there is no water movement occurs, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell. due to lower amount of water present inside the cell.
Given that the growing opinion root tip has 16 chromosomes in each cell ( normally). During the cell cycle, while the cell is growing and dividing, specify how many chromosomes will the cell have at the G1 phase? and how many chromosomes will it have after the S phase? Explain your answer with a reason/evidence statement
Answer:
16
It is given that the number of chromosomes present in each onion root tip cell is 16. Hence, the number of chromosomes in the cell will be 16 at G1 phase, after S phase and after M phase
10 POINTSSSSSSSSS!!!!!!!!!!!!!!!!!!
Answer:
13. A group of Roaches moving in a group
14. Stepping on the Roaches to kill them
Answer: First image shows 3 groups with 14 Roaches in each group moving towards an human.
Second image shows the human stepping on the middle group of roaches.
Explanation: Roaches are nasty. Get an exterminator, ya nasty.
If a human has an X and a Y chromosome pair, they are
………………………………………………………………….
whats with the dots ._.
23. Which of the following muscles make up the rotator cuft?
A Supraspinatus, infraspinatus, teres minor, subscapularis
B. Supraspinatus, teres major, teres pectoralis minor, subscapularis
C. Supraspinatus, infraspinatus, teres minor, levator scapulae
Answer:
A
Explanation:
together they assist in stabilizing the shoulder joint as well in performing various arm movements
In the presence of lactose, how long does it take for the lac operon to be expressed?
(A) when glucose is more than lactose concentration
(B) when lactose equals glucose concentration
(C) as long as lactose is more than galactose concentration
(D) as long as lactose is more than glucose concentration
Answer:
the lactose Expresses as long as it is present. when all lactose is converted into glucose and galactose, the reaction stops
There is a claim that lycopene, the reddish substance in tomatoes and peppers, is of value in protecting people from Alzheimer Disease, a neurological condition. How would you, as a Biomedical Research Scientist, go about to refute or substantiate this suggestion?
Answer:
Conduct a study to determine if lycopene obtained from tomato and pepper consumption is significantly associated with a decreased level of abnormally folded proteins in neurons of the cerebral cortex
Explanation:
Alzheimer's disease is an irreversible, progressive, brain disorder characterized by the loss of neurons (the main brain cells) and synaptic connections in the cerebral cortex and specific subcortical regions. It has been shown that Alzheimer's disease is associated with an abnormal folding of proteins such as amyloid and tau proteins in neurons, thereby leading to the loss of communication between brain cells. In consequence, in this case, it should be interesting to design a study in order to observe if lycopene obtained from tomato and pepper consumption can decrease the levels of abnormally folded proteins in neurons of the cerebral cortex, which is a pathologic hallmark of Alzheimer's disease. For this purpose, it is expected to form two groups of study: 1-one group composed of individuals that regularly consume tomatoes and peppers and 2-one group composed of individuals that do not consume these fruits, as well as a third 'control' group composed of individuals that obtain lycopene by consuming other plants (e.g., watermelon, pink grapefruit and redd carrots which are also high in lycopene). Subsequently, it should be necessary to experimentally determine if lycopene is significatively associated with a decreased level of abnormal amyloid and tau proteins in neurons of the cerebral cortex. Finally, the comparison between individuals that regularly consume tomatoes and peppers with the control group may result useful to determine if different lycopene sources may affect protein folding.
PLS I WILL GIVE BRAINLIEST HELP PLS BY 915pt please thanks
Answer:
B
Explanation:
It can power the car the whole time
16. The room is very dark
a. Fins
b. Dim
e. Deep
d. Bright:
Answer:
What is the question ?
Explanation:
what are the three strategies that the community could place to work with governmental structures to stop illegal dumping
Answer:
Illegal Dumping has gotten out of hand. According to the Los Angeles County Public Works, “People usually dump illegally to avoid collection and disposal fees, or because they believe proper disposal is just ‘too much trouble’.” This is very unfortunate for our communities who receive the negative consequences of higher taxes for cleanup, environmental hazards, and a breeding ground for rats.
The cost of a one-time cleanup and detoxing of an area can cost thousands of dollars. But to leave the mess is just not an option. The best option is to stop the illegal dumping before it happens, preventing the cost of cleanup, preventing the chemicals and toxins from entering the ground water, and preventing the rats and mosquitoes from breeding. The best areas to live are communities that care about their community! So, what can a community do to prevent illegal dumping?
Here are some key points to help deter illegal dumping:
Educate the public through the schools and through community awareness groups about the costs, chemical hazards and dangers incurred by illegal dumping
Create safe, public-friendly waste disposal options and advertise them
Create laws that impose stiff fines for the perpetrators and advertise these stiff fines
Use Illegal Dumping Cameras to catch the perpetrators in the act
Use Social Media to ask the public to identify the perpetrators
Follow through with quick clean up
These steps will invite the citizens to be involved and help deter the criminal activity of illegal dumping within your community.
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