True or False?
Down syndrome is caused by a mutation that occurs during DNA replication which causes one nucleotide base to be substituted for another
I need this question answered thanks
Answer:
vacuole
Explanation:
nothing to do with the same to you
The Answer is Vacuole. How. It just Is.
The forebrain is where the highest and most complex intellectual functions, such as thinking, take place. True or False?
Question 4 options:
True
False
Answer:
True
Explanation:
the cerebrum controls these activities and is a part of telencephlon,forebrain
What happens to the air pressure as you go higher in the atmosphere?
The air pressure gets lower because there is less air above you.
The air pressure gets lower because there is more air above you.
The air pressure remains the same.
Answer:
(a) The air pressure gets lower because there is less air above you
Explanation:
You want to know what happens to the air pressure as you go higher in the atmosphere.
Air pressureThe air pressure at a given point is effectively the weight of the column of air above that point. As you go higher in the atmosphere, more air is below you, and less air is above you. This causes the air pressure to decrease with altitude.
As you go higher, ...
The air pressure gets lower because there is less air above you
__
Additional comment
When you reach outer space, there is no air above you, and the air pressure is zero.
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If a cell has 26 chromosomes before meiosis begins, how many tetrads will it contain after Anaphase I?
Answer:
After Anaphase I, the cell will contain 13 tetrads, since each of the 26 chromosomes has been divided into two parts, representing a total of 26/2 = 13 tetrads.
[BWS.03]A scientific law can be best described as
O an explanation of a specific relationship
O a series of observations with contradictory data
O a phenomenon which works under changing conditions
O a description of specific relationships under given conditions
Answer:
a series of observations with contradictory data
Explanation:
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explain how meiosis occur in a cell
Answer:
Explanation:
One reward of starting your own business is _____.
making a steady income
having benefits paid by your employer
setting your own work schedule
reducing your risks and stress
which diseases are caused by fungi?
A. Botulism and Malaria
B. Athlete's foot and botulism
C. ringworm and athlete's foot
D. Malaria and ringworm
Answer:
Ringworm and athletes foot
Explanation:
The answer is C, ringworm and athletes foot are fungal diseases
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What do you think coevolution is?
Answer:
Coevolution happens when the genetic development between two or more species affects the evolution of each other. An example would be hummingbirds and bird-pollinated (ornithophilous) flowers. The ornithophilous flowers give nourishment to the birds with their nectar that has high sugar content. The birds in return aids in the pollination of these flowers.
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Going from the bottom to the top panels, what behavior likely increased among the animals?
A. commensalism
B. parasitic relationships
C. mutualism between two species
D. competition for food and water
100 Points Help
Fill in the gaps with a correct word.
1. The plasma membrane is composed primarily of _______________________. Other components include ________________, _______________ and _____________.
2. Each phospholipid consists of:
A. A polar head that is or “water loving”.
B. Two non-polar hydrocarbon tails that are ________________ or “water fearing”.
3. The phospholipids arrange themselves into a __________________ (or two layers).
1. The plasma membrane is composed primarily of phospholipids Other components include embedded protein, carbohydrates and Cholesterol.
It helps to maintain the shape of the cell and protect it from outer substances and works as a transportation conductor2. Each phospholipid consists of:
A. A polar head that is Hydrophilic or “water loving”.
B. Two non-polar hydrocarbon tails that are hydrophobic or “water fearing”.
They help in transporting the fluid outside and inside the cell3. The phospholipids arrange themselves into a phospholipids and sterols (or two layers).
Phospholipids works as an emulsifiers and sterols help in growth development of the cellWORTH FOR 50 POINTS
Directions
For each of the following statements, indicate if it describes weather or climate, and briefly explain why. If you think a statement could describe both weather or climate, explain why that could be. An example is provided for you.
Example:
It rained all night, last night.
Answer: Weather. It was a recent change in precipitation over a short period.
1.It has not snowed yet today.
2.In October, temperatures begin to drop.
3.This summer should be hotter than normal.
4.The humidity dropped overnight.
5.A thunderstorm cancelled our softball game.
6.It has never gone below 32°F in the month of December.
7.The high temperature yesterday was 10 degrees above normal.
8.The clouds are rolling in.
9.One of the strongest blizzards hit New York in February 2007, leaving about 6 feet of snow.
10.Texas is hot and humid and Arizona is hot and dry during the summer.
11.The skies were clear until an hour ago.
12.The air pressure dropped.
13.We had a lot more rain last year than this year.
14.Another tornado hit Kansas City.
15.Winds blew at 35 mph today.
Answer:
1: Weather
2: Climate
3: Weather
4: Weather
5: Weather
6: Weather
7: Weather
8: Weather
9: Climate
10: Climate
11: Weather
12: Weather
13: Climate
14: Weather
15: Weather
Explanation:
Weather is the state of the atmosphere as a place and time regards heat, dryness, sunshine, wind, rain, etc. On the other hand, climate is the weather conditions prevailing in an area in general or over a long period.
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The first one is reporting a day's weather forecast and it is weather not climate. The second one is climate since it is reporting a month's atmospheric state.
What is the difference between weather and climate?Weather is the collective name for the momentary properties of the lower atmosphere, including precipitation, temperature, humidity, wind speed, direction, and atmospheric pressure.
The possibilities are endless: it may be bright, cloudy, rainy, foggy, chilly, hot, windy, stormy, snowy, etc. Climate refers to climatic changes over longer time periods as opposed to weather, which refers to short-term changes in the atmosphere.
The first one is reporting a day's change so it is weather. The second one is reporting a change over a long period or days in month hence it is climate. In similar way, we can distinguish them as follows:
1. Weather
2. Climate
3.Weather
4. Weather
5. Weather
6. Weather
7. Weather
8. Weather
9. Climate
10. Climate
11. Weather
12. Weather
13.Climate
14. Weather
15. Weather
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Which of these was a fundamental cause of ww1
Answer:
C) the growth of nationalism in Europe
Explanation:
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Please help I don’t know the answer
Answer:
c.
Explanation:
write about types of gland
Explanation:
TYPES OF GLANDS;Gland :-It is an organ or tissue that secretes specific chemical substance for performing a particular function.There are three types of glandsEndocrine glandsExocrine glandsHeterocrine glands (Mixed glands)Classification;On the basis of presence or absence of ducts, glands are classified into endocrine glands and exocrine glands. Exocrine gland;It is a gland that pours its secretion on the surface or into a particular region.By means of ducts for performing a metabolic activity.Example, sebaceous glands, sweat glands, salivary glands, intestinal glands.Endocrine gland; It is an isolated gland (separates even from epithelium forming it).Which secretes hormones that are poured into venous blood or lymph for reaching the target organ.Because the gland is not connected with the target organ by any duct.Example, hypothalamus, pituitary, thyroid, parathyroids, etc.Heterocrine gland (Mixed gland);It is a gland that has both exocrine and endocrine regions.The former pouring their secretion through ducts,While the latter pouring their secretion directly into blood/lymph, Examples, pancreas, testes, ovaries, etc.
-TheUnknownScientist 72
What is a guillemot?
Where does she lay her eggs?
Answer:
The Guillemot is a type of auk in the family Alcidae; and unlike other birds incubate their young in carefully built nests on rock ledges and exposed cliffs
Explanation:
Which of the following would increase the speed of the rock cycle?
O Increased rainfall
O Decreased sunlight
O Decreased Earth temperature.
Make a claim for reasons
a
not to build homes and roads on a wetland.
Answer:
floods
Explanation:
if your in the wetlands then it probably floods pretty bad so you don't want to build there
Which type of mutation plays the most important role in increasing the number of genes in the gene pool?
A:Changes in nucleotide sequence that lead to natural selection removing the allele from the population
B: Point mutation with a change in one base resulting in a harmful phenotype
C: Rearrangement of gene loci due to deleting or disrupting chromosomes
D: Gene duplication allowing for mutations to accumulate and expand the genome over generations
Answer:
The type of mutation that plays the most important role in increasing the number of genes in the gene pool is; D. gene duplication allowing for mutations to accumulate and expand the genome over generations.
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Explanation:
Which individual is shown in the karyotype?
The answer to the question is,
trisomy 21 or Down syndrome
Answer:
Karyotypes can reveal changes in chromosome number associated with aneuploid conditions, such as Down syndrome. Careful analysis of karyotypes can also reveal more subtle structural changes, such as chromosomal deletions, duplications, translocations, or inversions.
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1. Explanation on how selected medical, social and inherited factors disrupt body systems to cause ill health.
2. Evaluate the social issues which arise from ill health caused by the selected medical social and inherited factors. (For each of the chosen examples above evaluate the social issues that can arise from ill health caused by them)
1. Explanation on how selected medical, social, and inherited factors disrupt body systems to cause ill health.
Answer: Medical factors can affect social factors in many different ways. Depression and anxiety can affect your connections due to the feelings of not wanting to do anything and staying at home all the time. Stress and pressures can lead to social anxiety, depression, problems with sleep, and more. Genetic anomalies and abnormal changes can lead to increased heart health risks, birth defects, and could possibly lead to death if diagnosed as fatal.
2. Evaluate the social issues which arise from ill health caused by the selected medical social and inherited factors. (For each of the chosen examples above evaluate the social issues that can arise from ill health caused by them)
Answer: For this, we can go back to the example of depression. In the United States of America alone, 21 million adults are diagnosed with depression, which is 8.4% of the population. Depression can lead to unstable social ties since symptoms of depression can be angry outbursts, which can be incorrectly received by friends and family. Feelings of loneliness and sadness can also cause social anxiety when in public spaces, which possibly could lead to a higher risk of severed social ties.
For the part that says, "(For each of the chosen examples above evaluate the social issues that can arise from ill health caused by them)", I don't know what to say to that though. I just picked a common example.
ALSO, I AM 13 SO IF THIS DOESN'T SUPPORT COLLEGE NEEDS, SORRY ABOUT THATSolar power is considered to be which type of energy resource?
A: Non-renewable
B: Renewable
C: Depletable
Answer:
It would definitely be; B. Renewable energy sources.
Explanation:
Why is a solar power a renewable energy sources? The reason are because solar energy is renewable by any traditional definition because it can be instantly regenerated and is literally always available without requiring eons of production time.
what is the process of finding the complimentary strand of DNA is called?
Answer:
reverse transcription
Explanation:
Reverse transcription is a general term for a group of enzymes known as reverse transcriptases, which play a unique function in the flow of genetic data. Researchers have employed these enzymes as fundamental tools in a wide range of molecular biology applications since their discovery.
Need help ASSP Make an inference: If the aliens had similar enzymes to mammals on Earth, how do you think changing the pH (either very acidic or basic) would affect the aliens? Explain your reasoning.
Based on what we know, we can confirm that a very acidic or basic change to the pH would most likely cause death to aliens that have similar enzymes to the mammals on Earth.
Why would this change cause the Aliens to die off?This has to do with the role of enzymes in the body. Enzymes are catalysts for just about all of the reactions that take place in the bodies of mammals. These enzymes that are essential for life, are very vulnerable to strong changes in pH, which cause them to denature and lose functionality.
Therefore, we can confirm that a very acidic or basic change to the pH would most likely cause death to aliens that have similar enzymes to the mammals on Earth.
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Characteristics of canals ?
Answer:
Used to have water in
Explanation:
Answer:
Used for water storage.
Explanation:
From what you know of the frog's life cycle, suggest reasons for the large size of its fat bodies.
The fat bodies in frogs are yellowish to orange in color. They have a finger-like or spaghetti-like shape. The fat bodies are needed for hibernating, metamorphosis and for mating. These are areas in the body containing stored energy.
(11)
19) As water is heated by the sun, it becomes less
dense and rises. What causes the decrease in the
density of warming water?
A. The water particles move faster, causing the
water to expand.
B. The water particles move slower, causing the
water to expand.
C. The water particles move faster, causing the
water to contract.
D. The water particles move slower, causing the
water to contract,
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H. How many different bands of color pigment do you see on your strip? Which colors traveled
the farthest up the strip?
I. The yellow and orange colors are other pigments found in plant cells. What do you think is the
function of these other pigments? (see Figure 6.3)
Answer:
The orange-colored band, made of the pigment called carotenoids. is the most soluble in alcohol, so it traveled the farthest.
Explanation:
The pigment that traveled the furthest was carotene xanthophyll because it was the most soluble in the solvent.
what is the definiton of electromagnetic energy?
Answer:
Electromagnetic energy is radiant energy that movements in waves at the speed of light. It can likewise be depicted as radiant energy, electromagnetic radiation, electromagnetic waves, light, or the development of radiation. Electromagnetic radiation can move with heat.
Explanation:
Electromagnetic energy is a. radioactive energy which turns itself when heated up.When a electric field is connected to electric conductors magnetic energy is evolved .Which is called electromagnetic energyHow much oil is left?
Answer:
72% of the oil was removed
Explanation:
Count how much oil was left after using the spoon: 14 ml subtract this from the original amount to find out how much was removed 50 - 14 = 36Plug into the equation (36 over 50) times 100 = 72answer: 72%