Answer:
A
Explanation:
Osmosis refers to the movement of water molecules across a selectively permeable membrane. During this process, water molecules move from an area of high concentration to an area of lower concentration.
A factor that influences the flow of water through the plasma membrane of a human cell is the concentration of solutes on either side of the plasma membrane (Option B).Osmosis is a type of passive transport mechanism that does not require energy to occur.During osmosis, water diffuses through a selectively permeable membrane from an area of high water concentration to an area of lower water concentration.In an isotonic cell, the concentration of solutes and water molecules is equal on both sides of the plasma membrane.In conclusion, a factor that influences the flow of water through the plasma membrane of a human cell is the concentration of solutes on either side of the plasma membrane (Option B).
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is sulfur metal or nonmetal
Answer:
sulfur is a metal
Explanation:
Because it has the same properties as NaOH
Answer
nonmetallic
Explanation:
Sulfur (S) is a nonmetallic chemical element belonging to the oxygen group (Group 16 [VIa] of the periodic table), one of the most reactive of the elements. Pure sulfur is a tasteless, odourless, brittle solid that is pale yellow in colour, a poor conductor of electricity, and insoluble in water.
please help ill give brainlyest
Answer:
The Answer is the second one. I took the test
Explanation:
Brainliest??
And Subsribe to RyStone on utube
The bone in the upper arm of humans that is compared to
upper arm bones of other species to determine homologous
structures is called the_____.
Answer: Humerus
Explanation: I hope this helped:))
Genes are sections of DNA that code for a particular trait. Genes are:
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
Mistletoe extracts water and nutrients from the spruce tree which harms the tree.
Answer:
Yes, that's right. What's your question?
Explanation:
he process of using oxygen in the mitochondria to chemically break down organic molecules such as glucose to release the energy needed for life processes in cells is called
Answer:
Osmosis and for respiration
Explanation:
Answer:
respiration
Explanation:
PLEASE HELP QUICK!!!! GIVING BRAINIEST!!!!!!
Answer: saturated, monounsaturated and polyunsaturated
Explanation:
helllpppp!! will mark Brainliest!
Answer:
A
Explanation:
Energy is released in the form of heat and light
Answer:
the answer is (a)
Explanation:
look up on Google
What green pigment found in plants is involved in photosynthesis
Answer:
The green pigment that is found in photosynthesis is chlorophyll which makes the plants green.
Explanation:
In Arizona, monsoon season generally runs during the summer months heading into September. The heaviest rainfall
in Arizona usually occurs during the months of July or August. Therefore, there is a correlation between rainfall
amount and the monsoon season in Arizona
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
Arizona monsoon generally begins in June and continues till September. The height of monsoon season comes in July, August, and September—is 2.65 inches. So it is concluded that there is a correlation between Rainfall amount and the monsoon season in Arizona.
Answer:
true
Explanation:
because i use big brain
WHAT IS ATP?
pls real answers .
Answer:
It’s a type of energy
Explanation:
Answer:
ADENOSINE TRIPHOSPHATE, a molecule that carries energy within cells. the main energy of the cell
Explanation:
Which of the following accurately describes a subcellular organelle that functions in providing energy for the cell?
a. Chloroplasts are divided into an intermembrane space that contains thylakoids and the stroma, which contains chloroplast DNA, enzymes, and ribosomes.
b. Cristae divide mitochondria into the intermembrane space and the mitochondrial matrix, which contains mitochondrial DNA, enzymes, and ribosomes.
c. Nuclei consist of a nucleolus, proteins, and DNA, which interact to synthesize rRNA via transcription and translation.
d. Ribosomes consist of proteins and two rRNA subunits, which are synthesized and joined in the nucleolus.
please help
Answer:
Answer is B
Explanation:
Cristae divide mitochondria into the intermembrane space and the mitochondrial matrix, which contains mitochondrial DNA, enzymes, and ribosomes.
Elabora el cuadro de cualidades y
demostraciones de su propuesta de valor.
Ept
2 de secundaria
si no saben la respuesta, no comenten que hare que lo banen aparte de reportarlo:)
Answer:
I CAN UNDERSTAND SOME WORDS OF YUR QUESTION.
Explanation:
BUT MOST I HAVE NO CLUE.
I AM SO SORRY, BUT I CAN NOT UNDERSTAND SPANISH, YOU PROB CAN NOT UNDERSTAND ENGLISH EITHER, BUT IF U CAN, CAN U PUT QUESTION IN ENGLISH?
A sample of Potassium-40 has a mass of 2020 grams.
Potassium-40 has a half life of 1.3 b.y. How much Potassium-40 and Argon 40 would there be after 5.2 b.y.
The idea here is that the ratio that exists between the number of atoms of argon-40 and the number of atoms of potassium-40 will give you the number of half-lives that passed.
As you know, the half-life of a radioactive nuclide tells you the time needed for half of the atoms of said nuclide to undergo radioactive decay.
In your case, you know that potassium-40 has a half-life of
1.25
billion years because that's how long it takes for half of the number of atoms present in the sample to decay to argon-40.
Now, let's say that your sample started with
A
K-40
atoms of potassium-40 and
0
atoms of argon-40.
You can thus say that the sample will contain--keep in mind that the atoms of potassium that decay form argon-40!
After
1
half-life
1
2
⋅
A
K-40
=
A
K-40
2
1
→
atoms of potassium-40
A
K-40
−
A
K-40
2
1
→
atoms of argon-40
After
2
half-lives
1
2
⋅
A
K-40
2
1
=
A
K-40
2
2
→
atoms of potassium-40
A
K-40
−
A
K-40
2
2
→
atoms of argon-40
After
3
half-lives
1
2
⋅
A
K-40
2
2
=
A
K-40
2
3
→
atoms of potassium-40
A
K-40
−
A
K-40
2
3
→
atoms of argon-40
At this point, we can use this pattern to say that after
n
half-lives pass, the sample will contain
A
K-40
2
n
→
atoms of potassium-40
1
−
A
K-40
2
n
→
atoms of argon-40
Now, you know that sample contains
31
atoms of argon-40 for every
1
atom of potassium-40, which means that you have
A
K-40
−
A
K-40
2
n
A
K-40
2
n
=
31
This is equivalent to
A
K-40
−
A
K-40
2
n
A
K-40
2
n
=
31
2
n
−
1
2
n
⋅
2
n
1
=
31
which gives you
2
n
=
32
Since
32
=
2
5
you can say that
2
n
=
2
5
⇒
n
=
5
This means that
5
half lives must pass in order for the sample to contain
31
atoms of argon-40 for every
1
atom of potassium-40.
Consequently, you can say that the age of the rock is
5
half-lives
⋅
1.25 billion years
1
half-life
=
6.25 billion years
−−−−−−−−−−−−−−−
I'll leave the answer rounded to three sig figs, but keep in mind that you have two significant figures for the number of atoms of argon-40 present per atom of potassium-40.
Photosynthesis creates a biomolecule from inorganic reactants. This type of biomolecule is made up of three main elements. What are the elements that mostly make up that biomolecule? Use capital letters and do not insert spaces. * Remember, no spaces!
Who am I?: (7th grade science)
you won't find me in bacteria which is an example of prokaryote. I am in control of things
Answer:
Okay so this would be an example of eukaryotes.
Explanation:
eukaryotes are multicellular organisms with so many cell types, so it control all gene expression.
How might retaining too much heat be a disadvantage to an organism?
Answer:
Too much heat can disrupt subcellular structures such as membrane proteins, and enzymes while damaging the integrity of the plasma membrane.
Explanation:
Proteins are macromolecules made up of amino acids. These fold and bond to form several biologically important molecules. For instance, enzymes, a special type of protein functions by providing alternative reaction pathways. They work best at a specific pH and optimal temperature range, beyond which they become non-functional or denatured entirely.
The denaturing of proteins occur at high temperatures, and alter protein folding, bonding and other types of behavior. Furthermore, membrane proteins are important for regulating cell function. If these are disrupted, the system cannot maintain homeostasis i.e a constant internal environment.
Which of the statements below supports the claim that UV radiation has an effect on mutation rates. Select all that apply.
Answer:
c and e
Explanation:
usatestprep
Which statement best explains why the Earth's gravity is able to hold the moon in orbit?
Answer:
The gravitational force
Explanation:
The strong gravitational force pulls it towards the earth. Also the moon causes the tides to push and pull.
which of the following could be an observation in an investigation?
a. oil is not a good solvent for salt
b. the oil did not dissolve the salt sample
c. with enough mixing, the oil will probably dissolve salt
d. oil deep beneath the surface of the earth could leach salt from the rocks
15. Will the asteroid belt be able to coalesce into a 9th planet with the current configuration
of the solar system?
I
Answer:
No.
Explanation:
No, the asteroid belt is not able to unite into a 9th planet because there is not enough total mass in the belt to form a planet. the other reason is that the belt is too close to Jupiter which make impossible to make the asteroid belt a planet. When this formation of new planet happens between the asteroid and Jupiter, Jupiter's gravitational forces act on the asteroid add up and strengthen each other, and they can easily kick the asteroid out of the solar system.
How many nerves are in your body to send
messages to brain and back?
a. Millions
b. Billions
Answer: Billions
Explanation: I took this same exact question and got it correct so i hope this helped!!
billions
I took a test like this, I even proof read my work to see if I was correct. Trust me, this is the correct answer!
Competition between the members of a woodchuck population in a large field could be expected to increase as a result of an increase in the?
A) number of woodchucks killed by cars.
B) spread of disease among the woodchucks.
C) woodchuck reproduction rate.
D) number of secondary consumers.
Answer:
I think it's C
Explanation:
When the rate of reproduction increases, competition for life resources such as food will increase
What does a scientific argument always start with (before the claim)?
A characteristic that an organism can pass on to its offspring through its genes. A.Ability to sing B.Trait C.Ability to draw
Answer:
B; Traits
Explanation:
complementary strand of MRNA
Answer:
The upper strand of DNA is the "mRNA-like" strand. The lower strand is the strand that is complementary to the mRNA. The -35 region (TTGACA) and -10 region (TATATT) of the promoter sequence and the transcriptional start site (the A) is indicated on the coding strand.
Answer:
DNA -> mRNA -> tRNA -> Amino Acids
Explanation:
How many electrons does carbon have? (1 point)
O five electrons (three in its inner shell and three in its outer shell)
O six electrons (two in its inner shell and four in its outer shell)
O seven electrons (three in its inner shell and four in its outer shell)
O eight electrons (four in its inner shell and four in its outer shell)
Answer: six electrons (two in its inner shell and four in it’s outer shell)
Explanation: I got it right
List 10 Facts About the Rusty-Spotted Cat.
Answer:
its spots are not rusty they look that way they are a shade of a carmal brown like spots actual rust is like a herseys bar no cat can look like actual rust my may look kindof like rust but never will look just like it
Explanation:
no i did not look it up i just have a that looks kind of like rust
Comparison of Photosynthesis and Cellular Respiration
Aspect
Photosynthesis
Cellular Respiration
Function
Energy Capture
Location of reactions Chloroplast
Reactants
Products
Answer:
Photosynthesis:
Function- Energy CaptureLocation of reactions- ChloroplastRespiration
Energy releaseLocation of reactions- MitochondriaExplanation:
Photosynthesis, occurs in the chloroplasts of plants. Here, solar energy is converted into chemical energy in the form of stable carbohydrates.
6 CO2 + 6 H2O + light → C6H12O6 + 6 O2
Carbon Dioxide + Water + Light Glucose + Oxygen
Chloroplasts, are small membrane-bound organelles of multi-folded membranes containing pigments, enzymes, and other molecules that facilitate the process.
Nutrients for a number of metabolic processes are basic compounds and macromolecules available. Through processing organic matter such as lipids, fats and proteins, animals get energy in heterotrophic nutrition.
For one for all metabolic processes, animals use carbohydrates as food. This occurs in the mitochondria...
C6H12O6+ 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP
Glucose + Oxygen Carbon Dioxide + Water + Light
What best describes the interaction described below:
Grass and Dandelions- Both plants try to get nutrients and water from the same area
of soil
O parasitism
O Competition
O Predation
O Commensalism
O Mutualism
Answer:
Mutualism
Explanation:
Both plants don't fight over the spot and are in within the same place.
Grass and Dandelions both compete for nutrients and water belongs to the same species, competition occurs between the same species called interspecific competition, hence option b is correct.
What is the interaction between Grass and Dandelions?When two distinct species fight for a restricted resource, such as space, this is known as interspecific competition. Grass, dandelions, and a variety of other plants compete for nutrients and water on a lawn.
Competition happens among individuals of the same species as well. The deep taproot draws minerals from the earth, such as calcium, and makes them available to other plants. While most think of dandelions as lawn killers, they really enrich the grass.
It will attach itself to sharks and other large fish in order to get a ride underwater. This is an example of commensalism but this connection can evolve into mutualism when the remora feeds.
Therefore belongs to the same species kind of interspecific relation, Grass and Dandelions having the interaction of competition, hence option b is correct.
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