Answer:
Antibotics are to help treat a sickness while vaccines are to help prevent certain sicknesses... hope that helps a little.
Explanation:
Antibiotics are used to treat severe infection, but Vaccines prevent infections from ever becoming established. Vaccines are right to be used for protection against any future infection. and Antibiotics are effective for stopping the reproduction process of bacteria and do not have any effect on viruses. These are also not to be used for preparing for potential future infection.
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Light energy for the plant to use in making its food is trapped during ____ reactions.
a.
light-independent
c.
light-dependent
b.
glucose-dependent
d.
oxygen-dependent
Answer: c. light-dependent
Hope this helps!!! :)
Answer:
The answer is C. light-dependent
Explanation:
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what is the net ionic equation and what are the spectator ions of Bel2(aq) + PbSO4(aq) = BeSO4(aq) + Pbl2(s)
Explanation Worked out
Train a pull into the sation every 6 hours . The train B pulls into the sation every 3 hours . They both pulled thr sation at 3pm. When is the next time they with both pull into the sation at the same time?
Answer:
9 pm
Explanation:
A pulls into the station every 6 hours while B pulls into the station every 3 hours. Hence, for every time A pulls up, B must have pulled up twice.
They both pulled into the station at 3 pm. At 6 pm (3 pm + 3 hours), B would pull into the station while A would still be on the road. At 9 pm (3 pm + 6 hours), B will pull in once more while A will just be pulling up the first time since 3 pm.
Hence, the next time both trains will pull into the station at the same time would be 9 pm.
an energy rich compound such as sugar
Answer:
Sugars provide living things with energy and act as substances used for structure. When sugars are broken down in the mitochondria, they can power cell machinery to create the energy-rich compound called ATP (adenosine triphosphate).
Explanation:
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Sam does an experiment in his lab. He discovers that the mass of the reactants before his
experiment is the same as the mass of the products after his experiment. What did he prove?
Answer:
The law of conservation of mass
Explanation:
In the given scenario of the experiment, Sam is proving here the law of conservation of mass.
What is law of mass conservation?The law of conservation of mass basically implies that mass can neither be created nor be destroyed in any chemical reaction.
When coal is burned, for instance, the carbon atom altered into carbon dioxide. The carbon atom changes from a solid to a gas, but its mass remains constant.
The law of conservation of mass is a fundamental physics principle. In other words, no matter how the parts are rearranged, the mass of an object or collection of objects remains constant.
The law of conservation of mass was critical to the advancement of chemistry because it helped scientists understand that substances did not vanish as a result of a reaction, but rather transformed into another substance of equal mass.
Thus, here Sam is demonstrating law of mass conservation.
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In the Arctic, the white fur of the polar bear helps it hide in the snow as it hunts the seal.
Answer:
True
Explanation:
It helps it camoflauge itself to catch it's prey
Which substance can cause a burning sensation in muscles that are worked intensely?
Answer:
lactid acid
Explanation:
Lactid Acid is the answer because the burning sensation you feel is just a build up of acid also known as lactic acid.
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Need help with this pls
Answer:
answer 2
Explanation:
its not a sign because thats just something she is telling you, everything else is something you can see
Answer:
she is bleeding
Explanation:
an allergic reaction wouldn't hurt it would itch, but it depends on where the reaction has formed. but it says that she was scratching the area of concern making it bleed so yes that would hurt. Benadryl would be a good idea to get the reaction to calm down but you need to stop the girl from scratching the area otherwise it will get worse i dont know if im right, im very sorry if its wrong
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It wont let me see the pic
Explanation:
The proteins found in your hair and fingernails would be classified as what type of proteins?
Answer:
yes
Explanation:
creatine like horns of rhinos or finger nails
Answer:
Keratinocytes
Explanation:
Keratinocytes make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.
carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. this special ability allows carbon to do what?
Answer:
To form a wide range of compounds with other elements
Explanation:
The ability of carbon to gain four more electrons allows this chemical specie to form a wide range of compounds.
When carbon gains four electrons, it becomes isoelectronic with neon and then becomes a stable compound or molecule as it combines with other atoms.
This leads to the proliferation of carbon compounds that we find in nature. Carbon can easily for covalent compounds with other compounds also.
Which condition leads to a slower rate of weathering?
Answer:
High temperature conditions lead to a slower rate of weathering.
Answer:
High temperatures
Explanation:
Compare plant and animals cells. What structures or processes do plant cells possess or perform that animal cells do not? Select all that apply.
-Photosynthesis
-chlorophyll
-chloroplasts
-ribosomes
-cellular respiration
-cell plate
-cell wall
-mitochondria
Answer:photosynthesis chlorophyll
Explanation: Animals cannot perform photosynthesis because they are not a plant. And chlorophyll is what makes a plant green and animals aren’t green and don’t have chlorophyll
How does oxygen enter the cells of the tube worm
Answer:
Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane (Figure 2). The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen.
Explanation:
Hope this helps!
Answer:
This is what you need
Explanation:
Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen.
Is a cell membrane more like a brick wall or a chain-link fence? Why?
Answer:chain-link fence
Explanation:a cell membrane is partial permeable which means that it lets some substances through but not other.
Answer:
Chain-link fence
Explanation:
Cell membranes are barriers that decide which molecules enter and exit the cell, and how much of them come in. So things are able to pass through them.
If it were a brick wall, it would not let anything pass through.
So it is more like a chain-link fence, but with more control over what passes through it.
What is the difference between the euphotic zone and the bathyal zone of the ocean
Answer:
Euphotic zone is the layer closer to the surface that receives enough light for photosynthesis to occur. Beneath lies the disphotic zone, which is illuminated but so poorly that rates of respiration exceed those of photosynthesis.
Bathyal zone is the part of the pelagic zone that extends from a depth of 1000 to 4000 metres below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below.It is ala known as midnight zone.
Explanation:
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Awnser: When water freezes, thaws, and breaks up rocks.
Suppose you mate a black rooster with a white hen. The feathers of all the offspring are "gray," a color that is intermediate between black and white. Explain the inheritance pattern in these chickens.
Answer:
The correct answer is - incomplete dominance
Explanation:
An incomplete inheritance or incomplete dominance is an inheritance pattern when the dominant allele of the particular trait is not able to completely mask the effect of the recessive allele and express the mixed or intermediate effect of both the alleles.
Since the gray color is the expression of the mix or intermediate character of both dominant and recessive alleles between black and white, incomplete dominance is the simplest way to explain the inheritance of this character.
A S-shaped curve is called a(n)
Answer: Logistic growth curve (A.)
Explanation:
Which statement is not true about DNA replication?
Group of answer choices:
Eukaryotes replicate their DNA
DNA replication occurs before a cell divides
Prokaryotes replicate their DNA
Cytosine is an enzyme the helps in replication
Answer:
Cytosine is an enzyme the helps in replication.
Explanation:
Cytosine is the name of the nitrogenous base of DNA. Basically, cytosine makes up DNA.
"Cytosine is an enzyme that helps in replication" is not true about DNA replication. Therefore, option (4) is correct.
Cytosine, one of DNA's four nucleotide bases, does not replicate DNA. Before a cell divides, DNA is replicated perfectly. Eukaryotic and prokaryotic organisms have it. DNA replication requires numerous enzymes. DNA polymerases add nucleotides to build new DNA strands. Helicases unwind the DNA double helix to form a replication fork. Primases make DNA-synthesis-starting RNA primers. Ligases link newly synthesised DNA segments.
Eukaryotes replicate DNA in the nucleus during the S phase. The cytoplasm replicates prokaryotes. These procedures faithfully transmit genetic information to daughter cells. Therefore, option (4) is correct.
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Carbon dioxide, Co2, contains carbon, yet it is considered to be inorganic. Explain.
Answer:
Co2 is inorgainc
Explanation:
Something is only concidered if it has a carbon-hydrogen bond. Carbon dioxide or Co2 does not contain hydrogen so it is inorganic.
What do you think is meant by “clear cutting" and
"denuding areas of vegetation"? Answer this and tell us what you think and why
you feel that way.
Answer:
Clear cutting is to cut down all the trees from an area. Denuding is to remove something of its covering completely, making it bare.
Explanation:
The main difference between a prokaryotic cell and a eukaryotic cell is that a
prokaryote lacks
Answer:
Membrane bound organelles ( Mitochondria, lysosome, Nucleus,..)
Answer: A nucleus
Explanation:
21. Many disorder are due to the inability of an individual to break down a particular chemical. Sometimes these disorders can be treated by giving the affected individual the appropriate
1. enzymes
2. antigens
3. chromosomes
4. organelles
Answer:
enzymes
Explanation:
What type of new information is being used to classify organisms?
Answer:
DNA is the evidence that biologist use to identify new type of organisms
Explanation:
Taxonomy is the system biologist use to name living things
Need help with this
Answer:
its the last one
Explanation:
cause its the outer layer of the skin
Answer:
answer is c
the endocrine system care of many different things. this system sends hormones out thought the body
Apart from nitrogen and oxygen, name two other gases present in air
Answer:
Carbon Dioxide and Hydrogen
Explanation:
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how much oxygen is taking in for one process of cellular respiration
Cellular respiration uses six O2 molecules to convert one glucose molecule into six CO2 and six H2O molecules while harnessing energy as ATP and heat.
Hope this helps
what are the two extra elements found in nucleic acids?
Answer:
carbon, hydrogen, oxygen, nitrogen, and phosphorous
Explanation:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements.
Organisms that can adapt to changes in their environment are most likely to survive and reproduce, while those that cannot adapt die out. This idea is known as:
Answer:
The right approach will be "Natural selection".
Explanation:
Natural selection seems to be a mechanism that persists and reproduces populations of organisms that seem to be better suited to applications, however those that are somewhat properly equipped die away. This demonstrates that organisms that really can respond to a given climate can rise in quantities and therefore will ultimately outperform certain species that are unable to respond significantly.