Answer:
18.1m/s
Explanation:
224/12.4 = 18.0645
How can some large molecules and charged ions get through the cell membrane?
Answer:
In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.
Some large molecules and charged ions get through the cell membrane as
a result of osmosis, diffusion, facilitated diffusion etc.
Molecules get through the cell membrane through diffusion which is the
movement of substances from a region of higher concentration to a region
of lower concentration.
Facilitated diffusion is the same with diffusion but it makes use of a
substance for transport.
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3. what organelle do the spindle fibers come from?
chlorophyll is the main pigment found in plants. other pigments are also present. if these other pigments were lost from a plant, but chlorophyll remained, what effect would this likely have on the plant and why?
Answer:
Chlorophyll is the main pigment found in plants. Other pigments are also present. If these other pigments were lost from a plant, but chlorophyll remained, what effect would this have on the plant? The plant would no longer be able to absorb wavelengths of light distinct from the ones absorbed by chlorophyll.
why is it important to have suberin on epidermis
Explanation:
Suberin functions as a physical barrier, preventing water loss from the tissues it surrounds as well as providing protection against pathogens. It also forms a significant component of the wound healing process in plants; indeed the main model system to study suberin and the suberization process is the potato tuber.
1. The primary factors affecting population growth
include birthrate, death rate, immigration and
a. density.
b.geographic range.
C. emigration.
d. demography
Answer:
d. demography
Explanation:
How is a microhabitat and a microbiome different?
A skeptical attitude in science
a. prevents scientists from accepting new ideas.
b. encourages scientists to readily accept
new ideas.
c. means a new idea will only be accepted if it is
backed by evidence.
d. is unimportant.
The answer is C) means a new idea will only be accepted if it is backed by evidence.
How does DNA polymerase move along each strand of DNA
Answer:
ARN perolimasa sintetiza un transcrito de ARN complementario a la cadena molde de ADN en dirección 5' a 3'. La enzima avanza a lo largo de la cadena molde en dirección 3' a 5' y al avanzar abre la doble hélice del ADN.
Explanation:
te ayudo
1. What does semi-conservative mean in relation to DNA replication?
Answer:
Explanation:
DNA replication would be semi-conservative because they produce two copies. one being the original one and then the new one
Students are investigating how water affects plant growth. They have two plants that are the same size and type. They place both plants in a sunny place, and water one plant everyday.
What should students do with the other plant to ,begin emphasis,best,end emphasis, investigate how water affects plant growth?
Answer:
sunny place plant have a great growth
Explanation:
beacouse plant need sunlight air it will get over their
explain how facilitated diffusion assists in osmosis in cells
Answer:
Facilitated diffusion is diffusion using carrier or channel proteins in the cell membrane that assist in the movement of molecules across a concentration gradient. The third type of movement is known as osmosis, or the movement of water to equalize solute concentration.
how would you increase the amount of carbon dioxide in water during photosynthesis?
Explanation:
the rate can be increased by increasing the carbon dioxide concentration
What is excretion and egestion
Answer:
Explanation: Excretion and Egestion Difference
Excretion is the process where an organism excretes the byproduct of a metabolic process using the different cellular and organ functions. Egestion, on the other hand, is the term associated with the excretion or elimination of undigested food from the digestive system of an animal.
Answer:
Basically egestion is when undigested food becomes waste and comes of out the body through the anus, and excretion is when your body removes toxic and waste material and excess products from organisms.
estuaries serve which important role for marine ecosystems?
Answer:
Estuaries filter out sediments and pollutants from rivers and streams before they flow into the ocean, providing cleaner waters for humans and marine life.
help please thanks..
Answer:
7) the environment is hypotonic because it is less concentrated than the inside of the cell
8.)the mass would decrease because the stuff inside the cell (which is more concentrated in comparison) would diffuse across the cell membrane into the environment in order to maintain equilibrium
9.) Diffusion in order to maintain equilibrium (moving things across a barrier from a more concentrated area to a less concentrated area in order to have an equal concentration on each side) does not require energy. However, moving matter out of the cell in Diagram C would require energy because it involves moving mass from a less concentrated area to a more concentrated area.
Explanation:
Q.1: The building in this photo was damaged during an earthquake.
Can we feel plate movement when there isn’t an earthquake?
Q.2: How far do you think a plate can move in one day?
Q.3:How far do you think a plate can move in one year?
When considering plate tectonics and the rate at which tectonic plates move, we can say that daily, the plates will move fractions of a millimeter, which can result in up to a few centimeters yearly, which is why we don't feel this movement when there isn't an earthquake.
Plate tectonics refers to the movements of large-scale plates that make up the earth's lithosphere. Despite their massive size, and very beneficial to us, these plates move very slowly and gradually. The plates can move at rates up to half a millimeter per day, which will result in about 14cm yearly.
This seemingly slow speed is actually among the highest number recorded for plate movements, most in fact will move much slower than that. It is due to this very slow movement speed that we do not feel the movement of plate tectonics when there is no earthquake.
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the antibodies related to the abo blood group are located
Answer:
on the red blood cell membrane
The ABO blood group antigens are found on the red blood cell membrane.
What are red blood cells?Red blood cells, also known as red cells, red blood corpuscles, erythroid cells, or erythrocytes, are the most prevalent type of blood cell and the primary means of delivering oxygen to body tissues in vertebrates.
The ABO blood group antigens are found on the red blood cell membrane.,
Thus, the answer is RBC membrane.
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Algae obtain food through ______from sunlight.
photosynthesis
decomposing slime mold
ingesting or eating
none of the above
Answer:
ingestion or eating
Explanation:
algae feeds on waste materials and gets its own food through photosynthesis by ingestion
The seeds collected from the first generation monol
P1
F1
F3
F2
Answer:
The seeds collected from the first generation monohybrids are called F1. The first generation is called P generation or parental generation. The seeds collected from the first generation (P generation) is called F1 generation or the first filial generation. The seeds collected from the second generation (F1 generation) is called F2 generation or the second filial generation.
Explanation:
what mammal received the first successful blood transfusion in history?
Answer:
A dog
Explanation:
The first successful blood transfusion recorded was performed by British physician Richard Lower in 1665 when he bled a dog almost to death and then revived the animal by transfusing blood from another dog via a tied artery
what elements are present in DNA
Explanation:
DNA WHICH STANDS FOR DEOXYRIBONUCLEIC ACID ,RESEMBLES ALONG,SPIRALING LADDER . IT CONSISTS OF JUST A FEW KINDS OF ATOMS :CARBON,HYDROGEN ,OXYGEN ,NITROGEN ,AND PHOSPHORUS.
COMBINATIONS OF THESE ATOMS FORM THE SUGAR --- PHOSPHATE BACKBONE OF THE DNA--THE SIDES OF THE LADDER ,IN OTHER WORDS.
What is this ? Convergent boundary, Divergent boundary or Transform boundary? Explain
Answer:
Divergent boundaries -- where new crust is generated as the plates pull away from each other. Convergent boundaries -- where crust is destroyed as one plate dives under another. Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other.
Help me please with this question
Select the correct answer.
Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Based on this information, what is true about human skin color?
A.
Skin color is not a genetic trait.
B.
A single pair of alleles controls this trait.
C.
It’s an example of incomplete dominance.
D.
It’s an example of polygenic inheritance.
Answer:
what is the formal analyse in movie
if transcription occurred from left to right, which strand is the template strand?
Explanation:
If the polymerase is moving from left to right, the strand that is oriented from 3' to 5' left to right is the bottom strand. This is the template strand. The top strand is called the coding strand (or sometimes the non-template) strand.
During cellular respiration, what is the direct source
of the energy used in the cells of consumers in the
ecosystem represented below?
A) the sun
B) enzymes
C) the atoms making up inorganic molecules
D) the chemical bonds in organic molecules
Answer:
D the chemical bonds in organic moleculesExplanation:
Respiration is a process which provides energy by the organic molecules.
So the chemical bonds in organic molecules provides energy.
The chemical reaction involving cellular respiration is given below.
Glucose Oxygen Carbon dioxide water
C6H12O6 + 6O2--------------> 6CO2 + 6H2O + energy
Kindly mark it branliest if the answer is little bit satisfying.
During cellular respiration, what is the direct source of the energy used in the cells of consumers in the ecosystem is represented by the chemical bonds in organic molecules, i.e., option D.
What are chemical bonds?
A chemical bond is an attraction between atoms, ions, or molecules that allows chemical compounds to form.
During cellular respiration, what is the direct source of the energy used in the cells of consumers in the ecosystem is represented by the chemical bonds in organic molecules.
Thus, the correct option is D.
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Should water h20 be included in the model as a reactant or a product
Answer:
The water should be omitted as a reactant or product to have a well-balanced equation only if the water reacts as a solvent.
Explanation:
The water acts as a pure liquid and the increase of concentration of pure liquid is impossible. So, it is of no use when it acts as a solvent. As a product form water can be obtained as a liquid or gaseous substance. Their ability can increase the supply of hydrogen or oxygen to the reaction. When it is used as a main reactant it should be included.
As a role of solvent, it has no use in the chemical reaction. It has insignificant values as a role of solvent so it should be formatted while having the well-balanced equation. There are a lot of examples in which water is not included in the chemical reaction.
Explanation:
Based on this picture, which prediction can be made about leaf-cutter a
A. They are strong enough to lift an entire leaf.
Answer:
there strong enough to lift leaves to carry back to there hive
:
Answer:
they are strong enough to lift an entire leaf
Recall why was the Fist Continential congress called ?
Plsssss help (number 9)))
How does the tilt of the Earth and the Earth’s revolution around the sun cause seasons?
Please help.
I might even mark brainiest if the answer is straight forward.
basically if your country is facing the sun it is summer, if its facing away from it, winter. if half, spring or fall. that's why it gradually gets colder or hotter because we slowly spin away or towards the sun.