Answer:
Protein moves outside while water moves inside.
Explanation:
Protein diffuses inside the bag whereas water moves outside the bag because the amount of protein is lower inside the bag and water is lower in concentration outside the bag so to equalize the concentration of the protein and water the diffusion of both protein and water occurs. If the bag is not permeable then the exchange of water and protein did not held so for achieving equilibrium diffusion occurs.
How is a polar molecule different from a nonpolar molecule?
A.polar molecules have charges separated like poles of a magnet.
B. Polar molecules have charges evenly distributed across their poles.
C. Polar molecules are attracted to the lipids of the phospholipids of the plasma membrane.
D. Polar molecules are always larger than nonpolar molecules.
Answer: I think its b
Explanation:
if not a
A polar molecule is different from a nonpolar molecule in the fact that a polar molecule has charges separated like the poles of a magnet. Thus, the correct option for this question is A.
What is a Polar molecule?A polar molecule may be defined as a type of molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. For example, water is an example of a polar molecule.
Being a polar molecule, water is separated by a positively charged hydrogen atom and a negatively charged oxygen atom. Polar molecules are asymmetric in nature and significantly contain lone pairs of electrons on a central atom or atoms with different electronegativities bonded together.
Non-polar molecules are symmetric with no unshared electrons. These molecules have resulted from an unequal distribution of electron density.
Therefore, polar molecules have charges separated like the poles of a magnet. Thus, the correct option for this question is A.
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HELP ME HURRY PLEASE
Answer:
people think science tests should be more hands on opposed to sitting down in on spot for hours. I think it should be hands on so kids can remember and have a fun time doing so.
Explanation:
(go into more depth and add more words.)
How do scientists learn about the age of the solar system and its planetary bodies? Select the two correct answers.
a. comparing the composition of the gaseous planets to the rocky planets
b. using radiometric dating of meteorites
c. measuring distances between planets
d. analyzing impact craters on planetary body surfaces
Answer: B, C
Explanation: Scientists use radiometric dating of meteorites and analyze the impact craters on planetary body surfaces to learn about the age of the solar system and its planetary bodies.
Using radiometric dating of meteorites and analyzing impact craters on planetary body surfaces are the two methods that tells us about the age of solar system.
The age of solar system and its planetary bodies can be find out by using radioactive dating techniques. Scientists have find out that the Solar System is 4.6 billion years old due to this technique. The other way to find out the age of solar system and its planetary bodies by counting the number of impact craters occurs on planetary body surfaces so these two methods provides information about the age of solar system and its planetary bodies
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What are the TWO processes during decomposition?
Answer:
Decomposition occurs through two primary chemical processes: autolysis and putrefaction. They often occur in tandem, but one may predominate in certain conditions. Autolysis (or “self-digestion”) is the destruction of cells through the action of their own enzymes.
Explanation:
Answer:
Autolysis and Putrefaction
Explanation:
Which of the following describes the result of a force acting on an object?
a. The force changes the mass of the object. b. The force does not cause a change in the object.
c. The force transfers energy to or from the object. The force increases or decreases the weight of the object.
Answer:
C. The force transfers energy to or from the object.
Explanation:
Force doesn't change the mass of an object so A is not correct.
Force acting on an object will cause a change in the object, whether noticeable or not. Therefore B is not correct.
Force does not increase or decrease the weight of an object so D is also incorrect.
Most fungi reproduce both sexually and asexually. In which scenario will sexual reproduction be an advantage?
The fungus lives in a climate with little variation. The fungus has abundant resources.
A box turtle eats a large number of the fungus. The fungus must reproduce quickly.
The fungus lives in a warm and moist climate. A drought drastically reduces the amount of water available.
A single spore of the fungus lands in an area cleared by a brush fire. The climate is favorable for growth.
Answer:
a
Explanation:
Answer:
A
Explanation:
Which of the following characteristics evolved as a result of the evolution of a larger brain size?
adaptive human body type
use of symbols
walked upright
use of tools to get food
Answer:
blood
Explanation:
use food can help my brain or water can help work my brain use blood
Answer:
use of symbols
Explanation:
A larger brain allows for more intelligence. To use symbols, you need more intelligence
1 pts
Question 4
Birds in Indiana express a variety of traits. Variability in the offspring of these birds is a
result of
Answer:
I'm pretty sure the answer is natural selection.
Explanation:
Natural selection acts on phenotypic variations in populations.
А
B
What happened to the red blood cells after the sugar was added to the solution?
The red blood cells released water through osmosis. The release of water helped the blood cells take in more sugar for energy
The red blood cells absorbed water through osmosis. The absorption of water helped the blood cells take in more sugar for energy.
The red blood cells released water through osmosis. The release of water helped the blood cells keep a similar concentration of solutes as the outside solution.
The red blood cells absorbed water through osmosis. The absorption of water helped the blood cells keep a similar concentration of solutes as the outside solution
С
D
lol
Answer: C. The red blood cells released water through osmosis. The release of water helped the blood cells keep a similar concentration of solutes as the outside solution.
Explanation:
Osmosis is a process whereby water molecules move from an area where they are in higher concentration than a solute to an area where they are in lower concentration. They do this by moving through a selectively-permeable membrane.
With sugar added to the solution, the water in the red blood cells will have a higher concentration of water in the cells than the solution so water molecules will move from the cell - through the cell membrane - to the solution. They will keep doing so till the concentration of solutes are more or less similar in both the cells and the solution.
What are some similarities and differences between the two broad categories of cells
Answer:
Prokaryotes Vs. Eukaryotes
- Prokaryotes have a nucleoid, eukaryotes have a nucleus
- Prokaryotes do not have membrane bound organelles, eukaryotes do have membrane bound organelles
- Prokaryotes have a cell membrane, and so do eukaryotes
- Prokaryotes have ribosomes, and so do eukaryotes
Please help I'm in a test...
The process that transport rocks, soils, and sediments to a different location is called _____.
A Weathering
B Erosion
C Deposition
Answer: B
Explanation: I had a test with this question and got it right
A geneticist crossed tall pea plants and obtained 971 tall pea plants and 315 short pea plants in the F, generation.
TT
What were the genotypes of the parents that produced the offspring in the Punnett square shown, it T is the allele for tall, and t is the allele
for short?
ATT
BTT
D. TITI
Answer:
BTT Esa es la respuesta gracias
Answer:
B. TT
Explanation:
I took the test
What r the types of allergy??????
Answer:
of Allergies
Drug Allergy.
Food Allergy.
Insect Allergy.
Latex Allergy.
Mold Allergy.
Pet Allergy.
Pollen Allergy.
Explanation:
Answer:
food, flowers, touch, dirt etc/
Explanation:
how is air pollution affecting global warming
Explanation:
ITS caused by emissions of too much carbon dioxide and other heat draping gasses in to the atmosphere we burn fossle files which build up over time and this will not be good for cuter generations
Why do buildings have chimneys?
Answer:
Chimneys are ventilation channels that guide smoke and other gases that are products of combustion out from a fireplace through the roof of a building. ... The warm air can then leave the house through the chimney through the same process of rising that hot smoke does when wood is being burned.
Explanation:
The brain is formed by a variety of nervous tissues and connective tissues. The tissues are highly organized and work together to complete a variety
of tasks
How is the brain classified?
А. tissue
B. organ <
C. organ system
D. organism
Ribosome receive direction's from hereditary material to make certain.........
Answer: Proteins
Explanation:
The process where ribosomes use the mRNA to make proteins is called translation.
Ribosome receive direction's from hereditary material to make certain Protein
Ribosome is a Centre for the synthesis of proteins and they get their orders for protein synthesis from the nucleus.Messenger Ribonucleic Acid(mRNA) carries the genetic information to Ribosome where the information is translated to a functional protein, the information is translated using genetic code which are set of triplets codes that represent an amino acid. These amino acids are the building block of protein.
Therefore, Ribosome receive direction's from hereditary material to make certain Protein
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The broad waves of related waves is called: : Radiation Spectrum Force Energy please help
Answer:
The asnwer is spectrum
Explanation:
Which organelle is responsible for translating mRNA into a protein?
1. mitochondria
2. nucleus
3. ribosome
4. golgi apparatus
Answer:
3
Explanation:
ribosome
message is sent from nucleus to the ribosome
Which one of the following is not made of calcite?
a. chert
b. travertine
c. chalk
d. coquina
HELP ASAP
What are the products of photosynthesis?
glucose and oxygen
carbon dioxide and water
chlorophyll and glucose
carbon dioxide and oxygen
Answer: carbon dioxide and water
Those are the main products
what do you predict will happen to the relative frequency of allele b in the population of Tibetan women over many generations
Answer:
,
Explanation:
The relative frequency of allele b (which represent the trait that affects oxygen content in the blood of Tibetan women) will increase in the population of Tibetan women over many generations.
Human adaptation on Tibetan plateau Tibet is a mountainous region in Asia.Tibetans have adapted to such environment and they have bigger blood vessels to carry more oxygen content compare to the people leaving in lower elevations.Adaptive advantage in Tibetan womenTibetan women have two alleles.allele a and allele b which represents alternative versions of trait that affect oxygen content in the blood.Allele b confers the adaptive advantage because children born to mothers with the ab or bb genotype are more likely to survive infancy. The allele b will be passed to surviving offspring.Because offspring of ab and bb mothers are more likely to survive than aa and more than 50% will inherit a b allele, the frequency of the b allele among population will increase.To learn about gene and allele :
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I need help plzzzzzz
Answer: false
Explanation:
Archaea and bacteria both are prokaryotes and reproduce through binary fission, which results in offspring that are genetically identical to parents.
Answer:
I believe the answer is false.
Explanation:
Prokaryotes (Archaea and Bacteria) reproduce asexually through binary fission, in which the parent organism divides in two to produce two genetically identical daughter organisms.
Have a nice day! :)
Help!! it’s for a test!!
Identify the boundary separating watersheds?
A. Drainage basin
B.Valley
C. Plateau
D. Divide
the primary wave is the slowest wave among the seismic waves true or false
What are unique about parisites
Answer:
A parasite cannot live, grow, or spread without a host.
Explanation:
I need help now!!
Which of the following best describes why a cell would not be able to reproduce if its
nucleus were damaged?
A. The nucleus is responsible for creating the sugars needed to perform cell division.
B. The nucleus is responsible for creating the energy used to perform cell division.
C. The nucleus is responsible for housing the genetic information needed for cell
division.
D. The nucleus is responsible for letting the materials in that are needed for cell division.
Answer:
B
Explanation:
I don't know...but I think the answer is B
Which statement best describes cellular respiration?
Cellular respiration is a process that produces ATP from NADP
Cellular respiration is a process by which all organisms convert sugar into kinetic
energy
Cellular respiration is identical to photosynthesis
The products and reactants of cellular respiration are the same
Low genetic variation or a lack of genetic diversity increases the risks of extinction. Scientists have observed this in cheetah populations. Captive feline cheetahs at a breeding colony for large cats were exposed to a viral pathogen that killed roughly 50% of the cheetah population. None of the lions in the large cat population developed symptoms or were affected. Scientists know that lions have a more extensive genetic variation, which means they had the gene variations in their immune system necessary to fend off the disease. Describe the evidence that supports how the cheetah population is likely experiencing a lack of genetic diversity. Suggest one way humans can intervene to increase genetic diversity. Predict a potential adaptation that could result from this increase in diversity. (Please be longer than a few sentences)
Answer:
Because the pathogen killed off 50% of the population that means half of the population was susceptible to the disease, meaning that genetic variation is incredibly low because 50% of the species is the same. Humans can fix this by interbreeding cheetahs with different traits, or even breed them with a different species that is compatible for reproduction.
Explanation:
Half of the population was susceptible to the disease since the pathogen killed off 50% of the population, which means that genetic variation is extremely minimal because 50% of the species are the same.
What is genetic diversity?Genetic diversity refers to the total number of genetic traits that make up a species' genetic composition.
It varies greatly depending on the number of species present as well as across species, and it can be linked to a species' longevity.
A group that is genetically homogeneous and exposed to a new pathogen without the gene variant to stop the disease could go extinct.
By performing a skin graft surgery where a portion of skin from a donor cheetah is given to a recipient cheetah, which is easily accepted if it is an inbred population, evidence to support the loss of genetic diversity of the cheetah population can be gained.
By implementing captive breeding programs, encouraging females to breed with various males in order to produce offspring with various traits, protecting the natural habitat, fostering coexistence of the cheetah species with other species and humans.
Also reducing competition for the same food source, we as humans can take action to increase the genetic diversity in the cheetah population.
Thus, these are the evidence that supports how the cheetah population is likely experiencing a lack of genetic diversity.
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suggest why it is important to stir the contents of the fermenter continuously
Answer:
Microbes and nutrients are put into the fermenter and air is bubbled through so that the microbes can respire aerobically
Explanation:
Paddle stirrers ensure that the microbes, nutrients and oxygen are well mixed and distributes the heat evenly.