What is the effect of an increased concentration of calcium ion in the sarcoplasm?
Answer:
When calcium concentration increases during depolarization, it shifts the conformation of troponin and tropomyosin, and actin is able to associate with myosin. As calcium is taken up again by the sarcoplasmic reticulum the muscle cell relaxes.
The effect that can be associated with increase in concentration of calcium ion in the sarcoplasm is :
Changing of shape and position of tropomyosin.
Can also cause muscles stiffness.
When the Ca2+ concentration become high in the sarcoplasm, there would be change in the position of tropomyosin as result of the binding effect of Ca2+ binds on troponin.Then the tropomyosin will be moved away from myosin binding sites on actin, then a cross bridge will be formedHowever, the effect if this on muscles is muscles stiffness.
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What are two types of Buddhism?
There are two main divisions in Buddhism: Theravada Buddhism and Mahayana Buddhism.
Answer:
C) Mahayana and Theravada
on edge 2022
brainliest someone help me plz
PLEASE HELP I WILL MARK BRAINLEST IF U ANSWE THE QUESTION
Which of the following organisms is most closely related: Acer capillipes, Equidae equus, Sus scrofa, Acer saccharum, or Felus catus? Explain your answer.
sorry I'm running out of points to give but I really don't understand this
Answer:
Explanation:Acer Rubrum & Chenopodium rubrum. Acer Rubrum & Acer Saccharum. Acer Rubrum & Acer Saccharum. (1) cats, weasels, and wolves (2) bears, raccoons, and hyena dogs (3) ...
21 POINTS
Using the formula KE = ½ mv² (where m= mass and v= velocity), what is the kinetic energy of a 8 kilogram ball traveling at 3 m/s?
Question 15 options:
11 J
24 J
36 J
48 J
Answer:
36 j
Explanation:
i legit just took the test XD
Answer:
36j
Explanation:
Hope this helps!!
Recently, it was discovered that rare earth elements can be used to repel what type of animal? How do they do this?
which body system is repsoible for the production of estorgen in human females
Answer:
In women, estrogen is produced mainly in the ovaries. Ovaries are grape-sized glands located by the uterus and are part of the endocrine system. Estrogen is also produced by fat cells and the adrenal glands.
Throughout history, amoebic dysentery has resulted in the deaths of many soldiers. Deaths from this illness have often exceeded the number of deaths from wounds.
What likely led to the high rate of infection by the amoeba that causes this disease?
A. lack of available vaccines
B. lack of doctors to treat the sick soldiers
C. lack of vitamins and minerals in the diet
D. unclean food and water on the battlefield
What are three methods scientists use to study past climate conditions?
PLEASE HELP ME GDSJFD
Answer:
paleaclimatology
Explanation:
this is method...
The sides of the DNA ladder are made of two molecules that alternate. The alternating molecules are __?__ and __?__.
Answer:
Sugar and phosphate
Explanation:
sugar and p h o s p h a t e
What is common about all nonmetals EXCEPT for hydrogen?
Answer:
this is the answer hope it helps
Answer:
Hydrogen is a gas.
Explanation:
Hydrogen is a gas, thus it is not a solid object. All other non-metals are able to be touched since they are solid.
Identify, define and explain 2 components that would be useful to a long distance cyclist
Answer:
cardiovascular endurance and muscle strength
Explanation:
it's pretty self explanatory
Which of the following statements is true about mutations?
A. It is a source of genetic variation
B. Rates tend to be very high in most populations.
C. It is generally lethal
D.It affects only somatic cells
Answer:
A. It is a source of genetic variation
What is an example of a mutation that is beneficial? *
A. A mutation that deletes part of the DNA, causing an organism to lose its arm.
B. A mutation that allows humans to digest milk and the nutrients in the milk
C. A mutation that ends up doing nothing to the organism
which one ^
Answer:c
Explanation:
B.
A mutation causing an organism to lose its arm would be harmful and a mutation which does nothing is neither harmful nor beneficial.
The answer is B.
what is the definition of natrual asexul reprduction?
Answer:
In natural asexual reproduction, roots can give rise to new plants, or plants can propagate using budding or cutting. In grafting, part of a plant is attached to the root system of another plant; the two unite to form a new plant containing the roots of one and the stem and leaf structure of the other.
Explanation:
What is a learned behavior?
A behavior passed down from parents
A behavior shaped by the environment
A behavior that develops naturally
A behavior that helps an organism camouflage
A learn behaviour is a type of a behaviour shaped by the environment.
What is learned behaviour?Learned behaviour can be defined as the type of behaviour where by an organism develops a new way of living through life experiences from its environment.
Therefore, a learn behaviour is a type of a behaviour shaped by the environment.
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A new litter of pupples was born. The pupples in the litter do not all look the same, which can be seen
In the picture.
Rom
Which part of the cell contains the information that controls the traits of these dogs?
Helpppppp
WILL GIVE BRAINLY
Answer:
Explanation:
A
What is the main difference in
the movement of molecules
during simple diffusion and
facilitated diffusion?
A. Simple diffusion moves large
molecules.
B. Facilitated diffusion requires energy.
C. Facilitated diffusion uses protein
channels.
Answer: C
Explanation: facilitated diffusion uses proteins channels. It can’t be be because it does not use energy and it can’t be a because somebody fusion does not move large molecules.
The diagram to the right shows an HIV particle.
What is the function of the glycoproteins on the outside of the virus?
A. to carry genetic material
B. to propel the virus forward
C. to help the virus invade cells
D. to protect the HIV particle from antibodies
The function of the glycoproteins on the outside of the virus is to help the virus invade cells (Option C).
What is a virus?A virus is an entity (not an organism) that is able to infect the cells of a given sensitive host.
A virus is covered by a layer called the coat, which is composed of glycoproteins to infect suitable hosts.In conclusion, the function of the glycoproteins on the outside of the virus is to help the virus invade cells (Option C).
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In the disease atherosclerosis, a sticky material called plaque collects on the walls of the arteries.
How would this disease affect blood pressure and blood flow?
Answer:
In atherosclerosis, plaque can grow to create a blood vessel stenosis. This stops the flow of blood upstream of the obstruction and increases the vascular resistance it causes an increase in blood pressure
Isometric training is ideal for immobilized rehab situations, they facilitate recovery and reduce muscle atrophy and strength loss
Answer:
An isometric training is a static contraction of a muscle.
Explanation:
An isometric training is a type of exercise which involves the static contraction of a muscle where no visible movement in the angle of the joint occur. Isometric exercises helps in maintaining and recovery of strength of our body. They can also build strength, but not very effectively like other exercises. During isometric training, the muscles doesn't change its length and the affected joint doesn't move from its place.
What do all vectors and scalars have?
A. velocity
B. orientation
C. direction
D. magnitude
Answer:
D. magnitude
Explanation:
Scalars are quantities that are fully described by their magnitude (size) only. For example, a temperature is fully described by saying "80 degrees Celsius." We do not need to include a direction.
A vector contains both magnitude and direction. Acceleration is fully described by including both speed and direction: "45 m/s, North."
Both scalars and vectors have magnitude.
(50 Points)
Drag the tiles to the correct boxes to complete the pairs
Match the nitrogenous base of DNA with its complement
See below
Answer:
surfaces curving inward, so it makes parallel light rays curve outward or diverge. That's why concave lenses are sometimes called diverging lenses. ... The distance from the center of the lens to the focal point is, again, the focal length of the lens.
Explanation:
PLEASE HELP HURRY How did the owl get energy from the Sun (made their own energy, ate producers, ate consumers)? THIS IS FOR LIFE SCIENCE
Answer:The owl got energy from producers, like plants
I am sorry if I'm wrong.
Explanation:
Answer:
ate consumers
Explanation:
owls eat rodents and other small animals which eat producers
Imagine that a DNA sequence of 5'-A-C-G-T-A-C-G-T-3'
is altered to 5-A-C-G-A-C-G-T-3'. This could happen
a result of a(n)??
Answer:
It's a deletion, a loss of one or more nucleotides
where does transcription take place?
where does translation take place
which one happens first?
In eukaryotes, transcription takes place in the nucleus first, and then translation takes place in the cytoplasm at free and membrane-bound ribosomes.
In prokaryotes, transcription and translation both occur in the cytoplasm and simultaneously.
7 points
7C. The diagram below represents four different species of bacteria.
Which statement is correct concerning the chances of survival for these
species if there is a change in the environment? *
Species A
Species B
Species C
Species D
ATID
Neither species B nor species D will survive because they compete for the same
resources
Species A has the best chance of survival because it has the most genetic diversity
Species C has the best chance of survival because it has no gene mutations
None of the species will survive because bacteria reproduce asexually
Answer:
A bcoz it change the environment
Species A has the best chance of survival because it has the most genetic diversity.
What is genetic diversity?Genetic diversity is defined as the set of different inherited traits that occurs within a species. Those organisms having higher genetic diversity have more chances of survival.
So we can conclude that Species A has the best chance of survival because it has the most genetic diversity.
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Describe and explain the changes between the first and second vaccine.
Answer:
from what we see from the graph when the children had the 1st vaccine antibodies in the blood raised. then the concentration of the antibodies depleted, after the children had the second dose of the measles vaccine again, the antibodies in the children's blood raised drastically then the first dose.
5. Something that might happen because of global warming is
melting polar ice caps
more reflected sunlight off the ice pack
lower sea levels
Answer:
wx
Explanation:
wx
Classify the major structures of the nervous
system
Explanation:
The nervous system has two main parts:-
● The central nervous system is made up of the brain and spinal cord.
● The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.