gg Calcium ions are released into the myofibrils by the __________, when activated by an impulse from a motor neuron.

Answers

Answer 1

Answer:

sarcoplasmic reticulum


Related Questions

What is the function of the phloem? Select one: Phloem carries water and minerals to the rest of the plant from the roots. Phloem transports sugar down from the leaves to the rest of the plant. Phloem carries nitrogenous wastes to the roots where the waste leaves the plant. Phloem carries water from the leaves to the rest of the plant.

Answers

Answer:

Phloem transports sugar down from the leaves to the rest of the plant

Explanation:

Phloem carries the chemically created sugar, made from sunlight, down the plant to feed it.

Question 8 of 10
Which is true of Pluto?
A. Pluto orbits the sun every 2.5 Earth years.
B. Pluto's orbit is shorter than Saturn's.
C. Pluto has a moon that is about half its size.
D. Pluto is only larger than Mercury.

Answers

Answer:

c

Explanation:

A tapeworm attaches to the wall of its host’s intestine and starts to absorb the host’s nutrients. Eventually this can cause great harm to the host as the host loses many important nutrients.

Which type of infectious agent is a tapeworm?

a virus
a bacterium
a fungus
a parasite

Answers

Answer:

a parasite

Explanation:

this is because it survives within other organisms, known as the host.

Answer:

D) A Parasite

Explanation:

It said in the lesson: Parasite - an organism that lives on/in another organism and harms it

And this is what the tapeworm is doing.

Have A Great Day!!! :):):)

can some one help me with this please​

Answers

Answer:

1 answer is B

2 answer is c

3 answer is a

Explanation: hope this helps if it not right pls tell me

I need help with dis too plz?

Answers

Answer:

DNA-RNA-MRNA

Explanation:

DNA,RNA,mRNA
hope this is helpful

DNA is know as the molecule of life because it

Answers

Often referred to as the molecule of life, DNA (deoxyribonucleic acid) is found in almost all living things. It acts as a type of chemical code that contains instructions, known as genes, for how the body and all its different parts grow, develop, function, and maintain themselves.

[1 QUESTIONS Explains why zoonoses is considered essential in biomedical science and state its contribution to human and animal health?

Answers

Answer: zoonoses are the infections or diseases which can be transmitted between animals and humans

Explanation:

Evolution is a change in
a. a living thing as it grows older
b. a species over time
c. characteristics of living things
d. the history of the Earth
2 Answer:
Homologous body parts are similar in
a. function
b. structure
c. both a and b

Answers

B. a species over time
B. structure

How is a proton gradient formed across the inner mitochondrial membrane?

Answers

Answer:

Energy is released in these “downhill” electron transfers, and several of the protein complexes use the released energy to pump protons from the mitochondrial matrix to the intermembrane space, forming a proton gradient.

Explanation:

i’m probably gonna get those scammers that are idiots but please help

Answers

Answer:

I hope 4 is the ans.... coz the breaking of high energy bonds btw phosphates releases energy

Two phosphoanhydride bonds, which have high energy, connect these three phosphate groups, hence c and d store energy within the molecule.

How does energy store in an ATP molecule?

An adenine base is joined to a ribose sugar, which is joined to three phosphate groups, to form the nucleotide ATP. Two phosphoanhydride bonds, which have high energy, connect these three phosphate groups.

At the cellular level, energy is used and stored as adenosine triphosphate (ATP). Adenine, ribose sugar, and three serially bound phosphate groups make up the structure of ATP, which is a nucleoside triphosphate.

Therefore, the structure of ATP is a nucleoside triphosphate having Two phosphoanhydride bonds, hence c and d store energy within the molecule.

Learn more about ATP, here:

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Sametha was looking at a map of the world and noticing the different landforms in various areas. Having studied types of landforms at school recently, she decided to make a list of the examples she noticed on the map. Which of these are examples of landforms? Choose the three that apply.
A. geosphere
B. mountains
C. coastlines
D. dunes
E. elevation

Answers

Answer:

B,C and D

Explanation:

These are landforms because if you were to travel to the location they were seen on the map they are visible

however Elevation is not a visible mass ( it is a characteristic of a location ) and geosphere is a general term to describe the sections of the earth and atmosphere

Hope this helps!

The three examples of landforms among the options provided are mountains, coastlines, and dunes.

What are landforms?

Landforms are natural features on the surface of the earth, such as mountains, valleys, plains, and coastlines, that have been shaped by various geological processes over time.

Mountains are large natural elevations of the earth's surface, while coastlines are the landforms where the land meets the sea, often characterized by cliffs, beaches, and bays. Dunes are hills of sand that form in deserts or near beaches due to the movement of wind.

The geosphere refers to the solid, rocky part of the earth's surface, which includes the lithosphere (outermost layer of the earth's crust) and the underlying mantle, and is not considered a landform. Elevation is a term that refers to the height of a landform relative to sea level, rather than being a landform itself.

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What is the function of stomata ​

Answers

THE TINY HOLES PRESENT IN THE LEAVE , THAT EXCHANGE THE GAS IS THE FUNCTION OF STOMATA.....

What type of plants are vascular plants whose reproductive structures are cones?
nonvascular
seedless
gymnosperms
angiosperms

Answers

Gymnosperms - are the seed plants that are have evolved cones to carry their reproductive structure

Answer:

gymnosperms

Explanation:

Gymnosperms have no flowers or fruits and have unenclosed seeds on the surface of scales or leaves.

What are some of the posible signals of male quality in widowbirds and what information might they convey? What are the females choosing and why

Answers

Male produces signals of bright red, yellow epaulets and long tails.

Males produce bright red and yellow epaulets as well as chevrons on their wings. These bright epaulets attracts the female of this species and helps in the sexual activity of widowbird species.

The males of several widowbird species also grow long tail feathers about half a meter in length. The long tail is favored by sexual selection through female choice of mates. Female prefer long tails red-collared widowbird so we can conclude that male produces signals of bright red, yellow epaulets and long tails.

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What's the scientific name of a leopard?

Answers

Answer:

Panthera pardus

Explanation:

leopard, (Panthera pardus), , also called panther, large cat closely related to the lion, tiger, and jaguar. (credit to brititanica articles)

How toxins are accumulated as you go up in trophies levels in an ecosystem

Answers

Answer:

hi sorry, i want stitches

The cholera toxin targets intestinal epithelial cells and not stomach cells because

Answers

Answer:

GM1 can only be found on epithelial cells of the intestine

Explanation:

I hope this helps :)

PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME
Why are proteins important?

A All the above

B Some fight disease and illness

C They are involved in nearly every cellular process

D Some function as enzymes

Answers

Answer:

A

Explanation:

All of the above.............................

Write the sentence as an equation.
p subtracted from 369 is equal to 311
G

Answers

Answer:

p-369=311g

Explanation:

What chemical compounds are in a sunflower?​

Answers

Answer:  The major components of the sunflower seed hull, lipids, proteins and carbohydrates.

Explanation: The major components of the sunflower seed hull, lipids, proteins and carbohydrates were studied Lipids represent 5.17% of the total hull weights, 2.96% of which is wax composed of long chain fatty acids (C14–C28, mainly C20) and fatty alcohols (C12–C30, mainly C22, C24, C26).

Hope This Helps :)

How is climate change being impacted?

Answers

More frequent and intense drought, storms, heat waves, rising sea levels, melting glaciers and warming oceans can directly harm animals, destroy the places they live, and wreak havoc on people's livelihoods and communities. As climate change worsens, dangerous weather events are becoming more frequent or severe.

Of what is the head of T- phage made?
A) only protein
B) only DNA
C) Protein and DNA
D) None of above​

Answers

Answer:

....( c) protein and DNA

The period of revolution of the earth is called a ?
Orbit
Day
Year
Month

Answers

Answer:

Explanation:

A year is defined as the time it takes a planet to complete one revolution of the Sun, for Earth this is just over 365 days. This is also known as the orbital period. Unsurprisingly the the length of each planet’s year correlates with its distance from the Sun as seen in the graph above.

Answer:

a year

Explanation:

The amount of time it takes for a single trip around the sun is called a period of revolution. The period for the Earth to revolve around the sun is 365.24 days or one year.

hope this helps :)

Which elements would HAVE a dipole interaction when bonding* in

Oco
Na-CI
H-H
K-Ca

Answers

Answer:

NaCl

sodium chloride have dipole interaction when bonded

What are the benefits of fungi to the ecosystem?

Answers

Answer:

Fungis categorize as the "decomposers" of the ecosystem. Fungi break down dead food and recycle the CO2 foods inside it, whilst also releasing the nutrients of the dead matter back into the environment for the other organisms.

What can you infer about the position of the galaxies 100 million years
before this telescope photo was taken? How does this relate to the big bang
theory?

Answers

Although the picture for this question is not given, if we have the possibility to view galaxies from 100 million years ago and compare them to the photos we have today, we would see that their positions would be different.

Why would the position of the galaxies have changed?

This has to do with the fact that the universe is always expanding.

The idea of an expanding universe means that galaxies are moving farther away all the time.

However, due to the effects of gravity, some galaxies pull each other in and form groups or clusters.

Therefore, due to the formation of galaxy groups or clusters, the position of galaxies may have changed in relation to others from outside its groups in the last 100 million years, while remaining the same relative to other galaxies in its local group.

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Answer:

The positions have changed over time!

Explanation:

Because of this over time change I think it goes with evolution and big bang theory

The diagram below shows a certain method of grazing animals

Answers

Answer:

In agriculture, rotational grazing, as opposed to continuous grazing, describes many systems of pasturing, whereby livestock are moved to portions of the pasture, called paddocks, while the other portions rest.

Explanation:

hehe ....

what are advance of sexual representation?

select all that apply

(a) offspring are genetically different from their parents

(B) species that reproduce sexually can reproduce on their own in isolated areas

(c) sexually reproducing species can generally reproduce quickly

(D) species that reproduce sexually have more genetic diversity​

Answers

Answer:

It helps to growth population and maintains in continuity of life. And another advantage is that it helps in production of new type of organisms. It means offsprings are genetically difference than parents etc.

What is a
method of fishing that involves surrounding the schools of fish with a net which is then drawn
together to enclose them

Answers

Answer:

Purse seines

Explanation:

Purse seines are used in the open ocean to target dense schools of single-species pelagic (midwater) fish like tuna and mackerel. A vertical net 'curtain' is used to surround the school of fish, the bottom of which is then drawn together to enclose the fish, rather like tightening the cords of a drawstring purse.

what’s porosity

a) The ease with which water is able to flow from one pore to another in rock
b) A measure of the amount of ground water available in the water table
c) A measure of the amount of open space within unconsolidated sediment or rock
d) The ability of water to trickle down through soil until it reaches ground water

Answers

Answer:

C)

Explanation:

A measure of the amount of open space within unconsolidated sediment or rock.

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