Answer:
Option A. Sodium is needed to generate an action potential.
Explanation:
Action potentials are generated by the special types of the voltage-gated channels which are embedded in the plasma membrane of the cell.
These channels are shut when the membrane potential is near zero and the voltage-gated channels open only when the membrane potential is more than the threshold voltage.
When the channels are open then they allow the flow of sodium ions which ultimately changes the electrochemical gradient which rises the membrane potential. This rise in membrane potential generates the action potential.
Which is the proper order for blood traveling through the systemic circuit? venae cavae Right arrow. arteries Right arrow. venules Right arrow. capillaries Right arrow. arterioles Right arrow. veins Right arrow. aorta venae cavae Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. aorta aorta Right arrow. arterioles Right arrow. arteries Right arrow. capillaries Right arrow. veins Right arrow. venules Right arrow. venae cavae aorta Right arrow. arteries Right arrow. arterioles Right arrow. capillaries Right arrow. venules Right arrow. veins Right arrow. venae cavae
Answer: its the second option
Uses of microorganisms as Biotechnology include which of the following?
Answer:
Explanation:
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Describe wavelength, amplitude, and frequency in relationship to vision and hearing
Explanation:
Visual and auditory stimuli both occur in the form of waves. Although the two stimuli are very different in terms of composition, wave forms share similar characteristics that are especially important to our visual and auditory perceptions. Waveforms of different types surround us at all times, however we only have receptors which are sensitive to specific types of wavelengths. In this section, we describe the physical properties of the waves as well as the perceptual experiences associated with them.AMPLITUDE AND WAVELENGTH
Two physical characteristics of a wave are amplitude and wavelength (figure below). The amplitude of a wave is the height of a wave as measured from the highest point on the wave (peak or crest) to the lowest point on the wave (trough). Wavelength refers to the length of a wave from one peak to the next.
The amplitude or height of a wave is measured from the peak to the trough. The wavelength is measured from peak to peak.
Wavelength is directly related to the frequency of a given wave form. Frequency refers to the number of waves that pass a given point in a given time period and is often expressed in terms of hertz (Hz), or cycles per second. Longer wavelengths will have lower frequencies, and shorter wavelengths will have higher frequencies
why should gender selection be illegal
How would Earth most likely change if the amount of greenhouse gasses continued to increase?
A Glacier size would increase.
B Air pollution would decrease.
C Global temperatures would increase.
D) Ocean levels would decrease.
Answer:
C. Global temperatures would increase
Explanation:
greenhouse gases affect temperature, so, it would be C.
Have a great day
Hyponatremia is a condition in which the sodium in the blood is too low. Uncontrolled spasms, which are sudden, involuntary contractions of muscles, are among the symptoms of hyponatremia. Why do they occur? A. Sodium is needed to generate an action potential. B. Sodium makes up most of the myelin sheath. C. Sodium is the signaling molecule that transmits impulses across a synapse. D. Sodium controls voluntary movement, and potassium controls involuntary movement. Reset Next
Answer:
A. Sodium is needed to generate an action potential.
Explanation:
Action potentials are generated by the special types of the voltage-gated channels which are embedded in the plasma membrane of the cell.
These channels are shut when the membrane potential is near zero and the voltage-gated channels open only when the membrane potential is more than the threshold voltage.
When the channels are open then they allow the flow of sodium ions which ultimately changes the electrochemical gradient which rises the membrane potential. This rise in membrane potential generates the action potential.
Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a dirt-like substance that’s rich in nutrients. The next season, farmers use this substance as a natural fertilizer for their crops. A biology student has grown tomato plants for several years. Until now, he used an artificial fertilizer formulated for tomato plants. This fertilizer caused his plants to grow faster and taller than they grew in unfertilized soil. The student wants to know whether using natural compost will cause his tomato plants to grow faster and taller than his artificial fertilizer. How does the design of your experiment control for outside factors that may affect the results?
Answer:
yes the fertile soil will grow faster and taller
Explanation:
the fertile soil will grow faster because it has what the plant needs
*PLEASE ANSWER* How can someone live smarter to reduce his/her carbon footprint? a.) live in a smart community b.) buy inefficient appliances c.) use incandescent bulbs
Answer:
a.) live in a smart community
Explanation:
A standard incandescent light burns through 50 watts of electricity per hour. Replacing an incandescent bulb with an LED bulb can save 6 tons of household emissions per year. Saving 6 tons of carbon emissions is the same as reducing your gas consumption by 700 gallons. (proving b wrong)
you can help reduce your carbon footprint and other greenhouse gases by using energy-efficient home appliances since they have lower emissions of harmful gases into the environment. (proving c wrong)
Can someone describe how the lac operon functions, and explain how it permits E. coli to produce the enzymes needed to break down lactose when it is present in the bacterium?
Answer:
shawtylikeamelodyinmyheadthatixantkeepout
In a closed container, what happens to the pressure and motion of molecules when you add more molecules to the system? Please be sure to explain why this happens.
Answer: would the pressure increase?
Explanation:
Because more molecules are being put into the container.
When members of a population come into an area, it is called
A demography
Bimmigration
C populations growth
Demigration
Up until now, no characteristics or qualities have been assigned to the predators and prey. Suggest a trait of the prey and a trait of the predators that might account for the results of your model. How do the results of your model help explain the process of natural selection in a predator-prey relationship?
Answer:
Predator foraging traits include;
body size (mass or length), gape size, hunting or foraging mode (for example, ambush or active hunting), and feeding mode (for example, chewing or suctorial) .Prey vulnerability traits include;
body size (length and mass), body shape, defense (for example, physical or chemical protection), ability to avoid detection (crypsis or camouflage), mobility, ability to recognize and detect predators, and evasive or escape behavior (which can be elicited by physiological trait responses.But whether or not predators engage with prey, or prey respond to predators in the first place, depends fundamentally on their relative body sizes (or predator gape and prey body shape). Pursuing prey that are too large or cumbersome can be harmful or energetically costly to predators, and pursuing prey that are too small may not be worth the energetic return.
As these populations continue to reproduce over time, the actions of natural selection can also change the species to make them better predators, or more defensive prey. Either way, this adaptation changes the entire predator prey dynamic. If one species cannot then adapt an appropriate defense, they may go extinct.
Explanation:
Hope it helps.
What is one of the reasons why Gregor Mendel chose to study pea plants? They exhibit only a single trait. They produce flowers. They grow very slowly. They reproduce sexually.
Answer:
They reproduce sexually.
Explanation:
They exhibit multiple traits and grow quickly.
One of the reasons why Gregor Mendel chose to study pea plants is because they reproduce se-x-ually
Gregor Mendel's study of pea plantIn Gregor Mendel's work on pea plants, he discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Parental genes are randomly separated to the reproductive cells so that s-ex cells contain only one gene of the pair
Learn more about genetics:
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fill in the blank. to form a multi cellular organism, a zygote must divide many times in a process called _____. Adult stem cells are considered _________, as they can differentiate into several different cell types in the tissue where they are located.
Answer:
1. cell proliferation
2. multipotent
Explanation:
A wet-mount slide of red onion cells is studied using a compound light microscope.
are mutations good or bad
Answer: Mutations can be good or bad.
Explanation:
Examine the false statement.
Atomic radius increases when moving right across the periods of the periodic table.
Choose the rewording that makes the statement true.
Atomic radius decreases when moving right across the periods of the periodic table.
There is no consistent trend for the atomic radius of elements.
Atomic radius increases when moving up the groups of the periodic table.
Atomic radius stays the same when moving right across the periods of the periodic table.
Answer:
Atomic radius decreases when moving right across the periods of the periodic table.
Hope this helps you
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Different ways of transforming energy have different environmental effects. Which of the following is a waste problem of nuclear power that does not occur with coal-burning power plants? A. acid rain gases being produced B. radioactive wastes that can last thousands of years C. carcinogenic fumes that must be discarded D. water contamination caused by harmful by-products
Answer:
B. Radioactive wastes that can last thousands of years
Explanation:
Nuclear power can create radioactive wastes that last thousands of years.
How are genes and proteins related?
A. One gene codes for one protein.
B. Both are made from amino acids.
C. Genes and proteins are both made of DNA.
D. Proteins are made of parts of genes.
Answer: a
Explanation:
test
Proteins are the macro-molecule whose smallest unit is amino acid. Genes contains some information necessary for protein formation.
What are amino acids?Amino acids are the organic compounds that is mixture of one amino and one carboxylate group.
There are 20 sets of amino acids that are used as building blocks of protein.
The sequence of the amino acid causes the protein to fold into a shape which is biologically active. Genes encode the amino acid sequence of protein.
Thus, the correct option is A.
For more information about protein, visit:
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which of the following segments of the growth curve would starvation proteins be at their highest detectable levels?
What kind of cells can develop from unipotent stem cells?
Answer:
Unipotent stem cells are capable of differentiating into only one mature, terminally differentiated cell type. Spermatagonial stem cells are unipotent and only capable of developing into sperm cells.
A
Part D
Explain why your model improves upon the student's original model. How would your model help someone who was
learning about photosynthesis for the first time?
B
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Font Sizes
A- A.
Answer:
See below
Explanation:
This new model perhaps better explains the elements required in order for photosynthesis to take place. Sunlight, water, carbon dioxide are essential for the plant so it can produce it own food. Someone who is not previously familiar with the process of photosynthesis needs to start from these basics and then further build on this knowledge.
Answer:
This model shows all the major molecules involved in the Calvin cycle and how they change at each stage of the process. This added detail would clarify that the Calvin cycle is a series of complex steps. The student’s original model didn’t show this breakdown at all, and it shows only the final products. This model also shows the number of each molecule created, which the original model doesn’t do.
Explanation:
PLATO Edmentum
Microorganisms of a family of fungi, called the Lepiotaceae, live with leaf-cutter ants. The ants collect fresh leaves to grow the
fungus, and then they feed the fungus to their larvae. Another type of microorganism, a fungus of the Ophiocordyceps family, also
has a relationship with a type of ant. The spores of the fungus attaches to carpenter ants in order to complete its life cycle. The
spores spread into the ant's body and causes behavioral changes in the ant, eventually causing the ant's death.
What does this information demonstrate?
Answer:
Between the Lepiotaceael and the eaf-cutter ants, there is what we call mutualism. They both depend on each other buh no harm is done.
But between Ophiocordyceps family and the carpenter ants, it is called parasitic relationship. The Ophiocordyceps harms the carpenter ants.
Explanation:
Hope it helps.
juan earn $11 per hour and works at most 30 hours per week. identify the independent and dependent quantity in the situation, and find reasonable domain and range values
Answer:
The hours are the independent variable.The wages/wk earned are ( $11/hr )x( hrs worked ) . This is the dependent variable ( depends on hours worked ) .The domain is 0 to 30 The range is 0 to 330Explanation:
The hours are the independent variable and should be plotted on the x-axis .
The wages/wk earned are ( $11/hr )x( hrs worked ) . This is the dependent variable ( depends on hours worked ) and should be plotted on the y-axis
---------------
Let +W+ = wages/wk earned
Let +h+ = hours/wk worked
The equation is:
+W+=+11h+
The domain is 0 to 30
( no hrs worked to 30 hrs worked )
The range is 0 to 330
( no wages eared to +11%2A30+=+330+ earned )
Project: Analyzing Genetic Variation WRITE YOUR FOUR PARAGRAPH RESEARCH PAPER in the space provided below. Restate your claim. Describe the first evidence that supports your claim—in a paragraph and using your own words. Describe the second evidence that supports your claim—in a paragraph and using your own words. Provide a summary paragraph that restates your claim, and explains how your research defends your claim (a conclusion).
Answer:
1st
Explanation: