Answer:
sorry big answer Answer with Explanation:
Coriolis Force - refers to the fictitious force that acts perpendicularly to the direction of a rotating motion.
Air parcel - refers to a body of air that is "imaginary."
Pressure gradient - the change in pressure across a given distance.
Pressure gradient force - the net force that is being directed from high pressure to low pressure.
When an air parcel is at rest, the pressure gradient force acts upon it. It will then move from high pressure to low pressure.
However, when the air parcel starts to be in motion, its direction will be changed with the help of the Coriolis force. Thus, it moves to the right side of the Northern hemisphere.
Once the speed of the wind increases, the change in direction of the air parcel increases. This happens until the pressure gradient force and the Coriolis Force are equal in magnitude. When this happens, the wind will start blowing parallel to the points of equal pressure. The wind will now then be referred to as in "geostrophic balance."
When friction happens, the geostrophic balance breaks. The flow of the wind will be slowed down. This means that the Coriolis force will also be lessened. The air parcel will then move towards the lower region.
Explanation:
Which event is caused by gravity
1.Water enters an aquifer through infiltration
2. Water exits a person through perspiration
3. Water changes from ice to liquid water through melting
4.Water moves from the atmosphere to a glass surface through condensation
Answer:
1 water enters an aquifer through infiltration
Look at the picture below.
What macromolecules make up most of the structure that is shown?
Answer:
there is not a picture ....................
Answer:
B: Lipids
Explanation:
cause
I’m an area of shallow reef 1-hectare in size and 1 m deep (=10,000 m3 or 10,000,000 liters) has 100 individual sponges, each of which is pumping 1000 liters per hour, how many liters of seawater is being pumped through sponges in this area each day (24 hours)
And what percent of the water over this section of reef is passing through the sponges each day?
(MAJOR HELP PLEASE)
Answer:
I am getting the answer to this. I Remember doing this and I will give the answer when I find it.
Explanation:
I am sorry. I looked at it and it turned out It wasn't the same. I am very sorry. Is there a possible way I could delete this answer?
PLEASE HELP 100 POINTS AND BRAINLY!!
Answer:
1.prophase
2. metaphase
3.anaphase
4.telophase
Explanation:
Had the same question a quiz i took
Which of the following statements about weather patterns near mountain ranges is correct?
a. The leeward side of a mountain range tends to be wetter than the windward side.
b. The windward side of a mountain range tends to be wetter than the leeward side.
c. There is more cloud cover on the leeward side.
d. More vegetation grows on the leeward side than the windward side.
B.the windward side of a mountain range tends to to wetter than the forward side
What must happen before a cell can begin mitosis? View Available Hint(s) for Part A The sister chromatids must be separated. The nuclear envelope must
Answer:
What must happen before a cell can begin mitosis? The chromosomes must be duplicated, which occurs during interphase.
Explanation:
a single base deletion within the open reading frame of a gene’s dna sequence can result in ____________.
Answer:
Replacement of multiple correct amino acids with alternative acids
Explanation:
Replacement of multiple correct amino acids with alternative acids
Which genetic disorder is this karyotype for?
cystic fibrosis
Down syndrome
sickle cell anemia
hemophilia
Can you please help me with this?
How does a bacteriophage work.
Answer:
A bacteriophage attaches itself to a susceptible bacterium and infects the host cell. Following infection, the bacteriophage hijacks the bacterium's cellular machinery to prevent it from producing bacterial components and instead forces the cell to produce viral components.
You are infected with a pathogen; it is your first exposure to this pathogen. The first antibody types that will eventually appear in your blood to help fight this infection will be:
If it is the first time that this pathogen comes into contact with the immune system, IgM antibodies are produced, which are the first type of antibodies produced against a certain microorganism.
Immunoglobulins are molecules that intervene in defense processes against microorganisms and infections.
Each type of immunoglobulin is specific against a certain antigen, this is what allows an immunological memory to exist, which is obtained when coming into contact for the first time with a certain microorganism.IgM is the first immunoglobulin synthesized by the neonate by itself, and it is also the first to appear during the primary response, which lasts an average of three weeks and then disappears.In general, the production of IgM antibodies precedes that of IgG, the concentration of antibodies can be high, plateau for a few days and then decrease rapidly.Therefore, we can conclude that when the immune system first comes into contact with an antigen, a primary response occurs; mediated by IgM antibodies.
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The purpose of transcription is
a. to make a strand of messenger RNA.
b. to make two copies of the DNA molecule.
c. to line up amino acids to form protein molecules.
d. to allow the cell to grow.
Answer:
A
Explanation:
I'm pretty sure I took this quiz in K12.
Toll-like receptors are eukaryotic membrane proteins that bind with bacterial surface molecules and: ____________
a. cause the cell to phagocytize the bacteria.
b. activate the complement cascade.
c. cause the release of antibiotics to kill the bacteria.
d. form channels through which bacterial proteins can enter the eukaryotic cell.
e. cause the release of cytokines that trigger host defenses against the bacteria.
Answer:
release cytokines that trigger host defenses against the bacteria
Explanation:
excess volatiles is found in the ___ and atmosphere
Answer:
excess volatiles
Answer:
Excess volatiles is found in the oceans and atmosphere.
Not sure if its correct but hope it helps!!
What are three advantages to sexual reproduction?
restricts chromosomal combinations
produces resistance to unfavorable conditions
Produces disease-free seed plants
produces more uniform individual organisms
produces genetic variations
Answer:
1. produces genetic variations.
2. produces resistance to unfavorable conditions.
3. produces disease-free seed plants.
Explanation:
Sexual reproduction causes more genetic variation. More genetic variation results in diverse immune systems and traits that are advantageous to survival. Variation is good because it allows a species to adapt to new environments.
The advantages of sexual reproduction is produces resistance to unfavorable conditions, produces genetic variations and produces disease-free seed plants.
What do you mean by sexual reproduction?Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete with a single set of chromosomes combines with another gamete to produce a zygote that develops into an organism composed of cells with two sets of chromosomes.
A disadvantage is that sexual reproduction takes longer than asexual reproduction. A mate must be found, the egg must be fertilised by sperm, and then the offspring develop.
Three mechanisms contribute to genetic variation arising from sexual reproduction: independent assortment of chromosomes, crossing over, and random fertilization.
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How can we preserve animal resources
Explanation:
Top 10 ways to save wildlife
Adopt. From wild animals to wild places, there's an option for everyone. ...
Volunteer. If you don't have money to give, donate your time. ...
Visit. Zoos, aquariums, national parks and wildlife refuges are all home to wild animals. ...
Donate. ...
Speak Up. ...
Buy Responsibly. ...
Pitch In. ...
What is the citric acid cycle.
Answer:
Citric acid cycle also known as the Krebs cycle, is the second stage of the three-stage process by which living cells break down organic fuel molecules in the presence of oxygen to harvest the energy they need to grow and divide.
How can regular participation in physical activity improve an individual's overall health?
A.
Regular participation in physical activity reduces the risk of developing various diseases.
B.
Regular participation in physical activity allows an individual to function on less sleep.
C.
Regular participation in physical activity reduces the need for a balanced diet.
D.
Regular participation in physical activity prevents an individual from developing certain diseases.
Please select the best answer from the choices provided.
A
B
C
D
Answer:A
Explanation:
Mutations cause changes in _____.
Answer:
mutation cause changes in genetic material
For which one of the following functions is parenchyma tissue particularly suited?
A. Reinforcement and support C. Elasticity
B. Exchange of gases D. Formation or root hairs
Reinforcement and support
parenchyma, in plants, tissue typically composed of living cells that are thin-walled, unspecialized in structure, and therefore adaptable, with differentiation, to various functions. The cells are found in many places throughout plant bodies and, given that they are alive, are actively involved in photosynthesis, secretion, food storage, and other activities of plant life. Parenchyma is one of the three main types of ground, or fundamental, tissue in plants, together with sclerenchyma (dead support tissues with thick walls) and collenchyma (living support tissues with irregular walls).
Which of the following best explains what will happen if the blood gets too cold? A) It will have a high viscosity and increased resistance. B) It will have a low viscosity and increased resistance. C) It will cause low blood pH and decrease resistance. D) It will change the shape of blood cells and decrease resistance.
It will have a high viscosity and increased resistance.
Effect of temperature on bloodLow temperatures cause narrowing of blood vessels and arteries which leads to restricting blood flow and reducing oxygen to the heart.
Our heart must pump harder to circulate blood through the blood vessels which results in increasing of our blood pressure and heart rate.
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Answer:
The correct answer is A
Explanation:
i got it correct on my flvs exam
What is the name of the organelle in the leaves of plants that absorbs the sun's energy?.
Answer:
The name is chloroplasts
Explanation:
A microbiologist identifies a bacterium that is capable of degrading cellulose, lignin, chitin, latex, aromatic chemicals, and keratin. It produces metabolic byproducts that give soil a musty smell as well as some that can be used as antibiotics. Which of the following genera is being described?
a. Campylobacter.
b. Streptomyces.
c. Neisseria.
d. Pseudomonas.
Which of the following molecules do NOT break down Proteins?
A. Pepsin
B. Protease
C. Protein kinase
D. Trypsin
Answer:A pepsin
Explanation:
Answer: Protein kinase is your anwser please mark brainliest thank yoou
Explanation:
24. What is evidence for the endosymbiotic theory? (a) rna can catalyze metabolic reactions. (b) meteorites contain organic molecules. (c) amino acids can be synthesized from inorganic compounds.
What is the function of parenchyma cells?
Answer:
help in storage and support
Ciliated ependymal cells: A) help form the blood-brain barrier. B) circulate cerebrospinal fluid. C) form myelin in the brain and spinal cord. D) serve as wandering phagocytes during brain injury.
Ciliated ependymal cells: circulate cerebrospinal fluid.
Ependymal cells are a type of epithelial cell that is associated with the cavities of the body through which the cerebrospinal fluid circulates.
They are part of glial cells, which share space with neurons in the nervous system.They create the membranes that keep cerebrospinal fluid circulating through the ependymal canal of the spinal cord and the cerebral ventricles.For this, the ciliated structure that these cells present is essential for a correct movement of the cerebrospinal fluid, preventing it from spilling through other tissues and passing to areas of the body where it should not be.The cilia move rhythmically creating tiny currents for fluid to flow through the central nervous system.A small fraction of highly specialized and modified ependymal cells, called choroidal cells, are responsible for generating this essential fluid.Therefore, we can conclude that ciliated ependymal cells circulate cerebrospinal fluid.
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Which of the following is NOT part of the non-specific immune response?
A. Inflammation
B. Phagocytosis
C. Antibodies
D. Interferons
D. Interferons are not a part of the non-specific immune response.
What is the function of interferons?Interferons were first described as an antiviral thing that interferes with viral replication in mammalian cells (10). they're secreted from inflamed cells and spark off an innate immune reaction that promotes now not best cytokine production but additionally herbal killer mobile features and antigen presentation.
Interferons (IFNs) — the body's first line of antiviral defense — are cytokines that are secreted by host cells in reaction to virus infection. by using inducing the expression of hundreds of IFN-inspired genes, numerous of that have antiviral capabilities, IFNs block virus replication at many ranges.
Interferons are a circle of relatives of clearly-happening proteins which are made and secreted with the aid of cells of the immune gadget (an example, white blood cells, natural killer cells, fibroblasts, and epithelial cells).
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PLEASEEE HELP!! Ill mark brainlist
How/why does the DNA separate?
Discuss porosity or pores, electricity, DNAS charge & size of DNA pieces. Highlight all the 4 terms
Electrophoresis is a technique commonly used in the lab to separate charged molecules, like DNA, according to size.
Gel electrophoresis is a technique commonly used in laboratories to separate charged molecules like DNA?, RNA? and proteins? according to their size.
Charged molecules move through a gel when an electric current is passed across it.
An electric current is applied across the gel so that one end of the gel has a positive charge and the other end has a negative charge.
The movement of charged molecules is called migration. Molecules migrate towards the opposite charge. A molecule with a negative charge will therefore be pulled towards the positive end (opposites attract!).
The gel consists of a permeable matrix, a bit like a sieve, through which molecules can travel when an electric current is passed across it.
Smaller molecules migrate through the gel more quickly and therefore travel further than larger fragments that migrate more slowly and therefore will travel a shorter distance. As a result the molecules are separated by size.
Gel electrophoresis and DNA
Electrophoresis enables you to distinguish DNA fragments of different lengths.
DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode.
Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
The use of dyes, fluorescent? tags or radioactive? labels enables the DNA on the gel to be seen after they have been separated. They will appear as bands on the gel.
A DNA marker with fragments of known lengths is usually run through the gel at the same time as the samples.
By comparing the bands of the DNA samples with those from the DNA marker, you can work out the approximate length of the DNA fragments in the samples.
How is gel electrophoresis carried out?
Preparing the gel
Agarose gels? are typically used to visualise fragments of DNA. The concentration of agarose used to make the gel depends on the size of the DNA fragments you are working with.
The higher the agarose concentration, the denser the matrix and vice versa. Smaller fragments of DNA are separated on higher concentrations of agarose whilst larger molecules require a lower concentration of agarose.
To make a gel, agarose powder is mixed with an electrophoresis buffer and heated to a high temperature until all of the agarose powder has melted.
The molten gel is then poured into a gel casting tray and a “comb” is placed at one end to make wells for the sample to be pipetted into.
Once the gel has cooled and solidified (it will now be opaque rather than clear) the comb is removed.
Many people now use pre-made gels.
The gel is then placed into an electrophoresis tank and electrophoresis buffer is poured into the tank until the surface of the gel is covered. The buffer conducts the electric current. The type of buffer used depends on the approximate size of the DNA fragments in the sample.
Preparing the DNA for electrophoresis
A dye is added to the sample of DNA prior to electrophoresis to increase the viscosity of the sample which will prevent it from floating out of the wells and so that the migration of the sample through the gel can be seen.
A DNA marker (also known as a size standard or a DNA ladder) is loaded into the first well of the gel. The fragments in the marker are of a known length so can be used to help approximate the size of the fragments in the samples.
The prepared DNA samples are then pipetted into the remaining wells of the gel.
When this is done the lid is placed on the electrophoresis tank making sure that the orientation of the gel and positive and negative electrodes is correct (we want the DNA to migrate across the gel to the positive end).
Separating the fragments
The electrical current is then turned on so that the negatively charged DNA moves through the gel towards the positive side of the gel.
Shorter lengths of DNA move faster than longer lengths so move further in the time the current is run.
The distance the DNA has migrated in the gel can be judged visually by monitoring the migration of the loading buffer dye.
The electrical current is left on long enough to ensure that the DNA fragments move far enough across the gel to separate them, but not so long that they run off the end of the gel.
Illustration of DNA electrophoresis equipment used to separate DNA fragments by size. A gel sits within a tank of buffer. The DNA samples are placed in wells at one end of the gel and an electrical current passed across the gel. The negatively-charged DNA moves towards the postive electrode. Image credit: Genome Research Limited
tank.
what evidence can be cited from the fossils to reconstruct climate change over time?
Answer: When studying the museum’s collection of plant fossils for information about the climate, Wing and Barclay start with plant leaves.
Roughly 56 million years ago, during a time called the Paleocene Eocene Thermal Maximum (PETM), Earth’s average temperature rose four to eight degrees Celsius in less than 10,000 years. The cause was geologic processes releasing trillions of tons of carbon dioxide into the atmosphere. The dramatic shift in global climate forced massive upheaval in ecosystems around the world.
“It’s the best analogue for the climate change we’re experiencing today,” Barclay said.
Fossil plants and their leaves from the PETM show that ecosystems shifted massively because of the rapid increase in global temperature. But global warming during the PETM did not come from humans. So, scientists today are working on ways to extrapolate information from that period and apply it to the even faster and more drastic events of today.
