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Related Questions
identify the parts of the heart in the corresponding spaces. once you have identified the parts of the heart, label the image provided
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Answer:
no image provided to answer
Explanation:
What is the chemical composition of water?
O 1 hydrogen and 2 oxygen molecules
O 2 hydrogen and 3 oxygen molecules
O 2 hydrogen and 1 oxygen molecules
O 3 hydrogen and 2 oxygen molecules
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Answer:
H20 the 3rd one.
Explanation:
2 Hydrogen molecules and 1 Oxygen molecule.
In the picture down below is my question
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Answer:
The answer is Telophase
Which of the following is an indication of a chemical reaction?
Ofreezing
O melting
O release of heat
O all of the above
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Answer:
• Release of heat.
Explanation:
• In exothermic chemical reactions, heat is released due to multiple collisions of the reactant molecules.
→ Freezing and melting are physical changes.
• Other physical changes are;
sublimationcondensationevaporation[tex].[/tex]
PLSSSSS ANSWER LOTS OF POINTS AND BRAINLYEST
What statement is true of a prokaryotic cell?
It is unicellular, HAS a nucleus, and has most organelles.
It is multicellular, does NOT have nucleus, and has most organelles.
It is multicellular, HAS a nucleus, and is missing most organelles.
It is unicellular, does NOT have a nucleus, and is missing most organelles.
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Answer:
the first answer I believe but I could be wrong
Answer: It is unicellular, does not have a nucleus, and is missing most organelles.
Explanation:
Help please!! Thanks
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For every tonne of coal burned, approximately 2.5 tonnes of CO2e are produced. 6 Of all the different types of fossil fuels, coal produces the most carbon dioxide. Because of this and it's high rate of use, coal is the largest fossil fuel source of carbon dioxide emissions.
A de-shelled egg is placed in tap water. The egg grows in size.
What is the best explanation for this change in size?
Ions in the water moved into the cell through diffusion because there were more ions outside the cell than inside the cell.
Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell.
Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.
Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.
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The best explanation for the change in the egg's size is that Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell. Option B.
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When talking about solutions, we can classify them as follows,
Hypertonic ⇒ A hypertonic solution has a higher concentration of solute than the cell. This means that in the cell interior, the solute concentration is lower than in the solution itself. Isotonic ⇒ The solute concentration is the same inside the cell and outside. Hypotonic ⇒ A hypotonic solution has a lower concentration of solute than the cell. This means that in the cell interior, the solute concentration is higher than in the solution itself.
Water is considered to be a hypotonic solution.
When a cell is in a hypotonic solution, through osmosis, water moves toward the cell.
Note: In this example, the egg is the cell.
Osmosis is the phenomenon that occurs when two dilutions of different concentrations -in this example, the interior of the cell and the solution- are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side to the less diluted one.
Water tends to go from the hypotonic solution to the cell interior and keeps doing so until concentrations are equal in the cell interior and exterior.
As water enters the cell, the cell begins to enlarge and becomes bigger-sized. And because cells can not limit the amount of water moving in, it keeps swelling until the membrane can not stretch anymore, and lysis occurs. It bursts.
What we need to consider is
When a cell with a semipermeable membrane is placed in a hypotonic solution, water enters the cell. When a cell with a semipermeable membrane is placed in an isotonic solution, there is no water movement. When a cell with a semipermeable membrane is placed in a hypertonic solution, water gets out of the cell.So, the best explanation for the change in the egg's size is Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell. Option B.
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Related link: https://brainly.com/question/13655668?referrer=searchResults
If we flipped a coin 100 times. How many times would we have to get heads to be significantly
different? Make a guess. But it should be close to 63 I
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Answer:
24
Explanation:
thats my guess
Label strands of DNA
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There are no directions…
Kill most of the hawks using the button and then click play observe the graph for about 12 months and then click phase what happen
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how does the structure of a carbohydrate allow it to perform its function?
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Answer:
Carbohydrates are organic molecules ONLY composed of carbon, hydrogen, and oxygen molecules. So, their structure would be just covalent bonds between the three elements, and most likely non-polar. They give out a lot of energy, and carbohydrates are also known as sugars. Most foods have them.
Branliest plzzzz?
A pyramid of biomass shows the mass of all the organisms in each trophic level of an ecosystem. Look at the biomass pyramid to the right. Based on the data shown, how many kilograms of plant matter would be needed to support the other trophic levels in this ecosystem?
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Answer:
90,000
Explanation:
It would be 90,000 because it is a pattern, 90, 900, 9,000, and 90,000.
YA'LL ARE SMART!! PLEASE HELP!!!
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Answer:
I believe your answer would be Accelerating/speeding up
Explanation:
If the bus was moving at a constant speed, the line would be flat
if the bus was slowing down, the line would decrease
if it was not moving, there would be no line
Explain the importance of gene regulation in prokaryotic cells.
-Explain the importance of gene regulation in eukaryotic cells.
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Answer:
Prokaryotic cells can only regulate gene expression by controlling the amount of transcription. As eukaryotic cells evolved, the complexity of the control of gene expression increased. For example, with the evolution of eukaryotic cells came compartmentalization of important cellular components and cellular processes.
Explanation:
Hope this helps.
Explain
4. When are chemical
properties observable?
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Worth 50 points
What gives a protein its unique shape?
Question 5 options:
neither
the unique sequence of amino acids in its polypeptide chain
the unique folding of the polypeptide chain
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Answer:
the unique sequence of amino acids in its polypeptide chain
Explanation:
Protein is a large molecule which is made from a chain of smaller molecules called amino acids. There are twenty amino acids exist, and when they bond together they make unique proteins depending on their sequence in the chain.
What are
some reasons amphibian populations may be
decreasing? Suggest ways to reverse the
decline to your class.
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Answer:
These causes include habitat modification and fragmentation, introduced predators or competitors, introduced species, pollution, pesticide use, or over-harvesting. However, many amphibian declines or extinctions have occurred in pristine habitats where the above effects are not likely to occur.
Explanation:
Help me plz. I need help with this. I don't get it. plz help me,
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Answer:
hydrogen=white sphere
nitrogen= striped sphere
carbon= gray sphere
oxygen= dotted sphere
so who is all virtual
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Answer:
Me
Explanation:
i rather be in person
true or false
ATP is the primary source for energy for cells.
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Answer:True
Explanation:The mitochondria is the powerhouse of the cell and it converts chemicals that you get from food into ATP. ATP is then shipped out and used for energy. Hope this helps:D
Which of the followWhich of the following correctly match a convection current in an Earth system to the primary source of energy for that convection current?
A
the atmosphere: global wind patterns -> source: solar radiation
B
the hydrosphere: global ocean currents -> source: solar radiation
C
all of the above
D
the geosphere: plate tectonics -> source: radioactive decay of elements in Earth’s coreing is a beneficial effect of volcanic eruption?
is for enviromental systems
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Explanation:
Looking at the Ecological concept of Modern Ecology
we have
Atmosphere, Lithosphere, Biosphere, Niche, Environment, Habitat, Population, Ecosystem and Biotic community
Hydrosphere and Geosphere are not part
so Atmosphere is the correct answer
How many days does each lunar phase last? Explain your claim with reasoning.
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Answer:
29.5 Days.
Explanation:
The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
I actually don’t know the reasoning but it’s definitely 7 days total.
Giving brainliest!!!!!!!!! This is the last question on the test so i bumped up the points ;)
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Answer:
D
Explanation:
All living organisms have to have cells
PLEASE I NEED HELP!!! 100 POINTS!!!
Food sample "E" tested positive for which tests?
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Q5.
can be called as a keystone species because its important food-web connections
(a) Seagull
(b) Chiton
(c) Plankton
(d) Crab
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Answer:
a
Explanation:
What’s everyone’s favorite tv show or movie?
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I dont watch tv shows or movies
lol
statement does not describe cell cycle checkpoints?
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Answer:
Defective checkpoints results in death of the cell.
Normal checkpoints make sure the cell has enough resources for cell division. Normal checkpoints ensure the cells commits apoptosis if the cell has a problem it cannot fix itself.
Which statement best explains why the atmosphere is considered an open system?
A.
There is no definite boundary separating it from outer space.
B.
Energy and matter can enter and leave.
C.
Its molecules can move freely, without resistance.
D.
It can accept an unlimited amount of energy.
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Answer:
thw anser is A
Explanation:
What is stalagmite and how is it formed?
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Answer:
Explanation:
stalagmite, elongated forms of various minerals deposited from solution by slowly dripping water. A stalactite hangs like an icicle from the ceiling or sides of a cavern. A stalagmite appears like an inverted stalactite, rising from the floor of a cavern.
How quickly can mitosis occur in a paramecium?
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Answer:
Under favourable conditions, Paramecium multiplies rapidly up to three times a day. Binary fission divides a cell transversely and followed by mitotic division in the micronucleus. Macronucleus divides amitotically. The gullet also divides into two halves
Explanation:
HOPE IT HELP
Paramecium can be multiplied rapidly up to three times a day.
In paramecium binary fission divides a cell transversely in two parts .Then after it followed by mitotic division in the micronucleus if paramecium.However Macronucleus divides amitotically in life.