Biology High School

Heidi is doing a sit-up for P.E. class. Which of the following muscles is she using?

Heidi Is Doing A Sit-up For P.E. Class. Which Of The Following Muscles Is She Using?

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Answer 1

Answer:

d. All of the above

Explanation: is correct

Related Questions

which organelle could be used to distinguish between a plant cell and an animal cell?

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Answer:

Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.

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Answers

Answer:

The answer is C, from hydrosphere to atmosphere

Answer:

C

Explanation:

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Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms.

How does the biological activity of lichens cause weathering in rocks?
Answer options with 4 options
A.
Lichens cause friction as they grow, which weathers the rocks.
B.
Lichens produce chemicals, which dissolve and weather the rocks.
C.
Lichens take in water, which freezes in cracks and weathers the rocks.
D.
Lichens absorb heat during photosynthesis, which weathers the rocks.

Answers

Answer:

The correct answer is B

Lichens produce chemicals which dissolve and weather rocks

Which layer in the blood vessel is composed of smooth muscle, allowing it to dilate or constrict?

Tunica intima
*Tunica media
Tunica externa
Endothelium

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Answer:

b. Tunica media

Explanation:is correct

Answer:

B. Tunica media

Explanation:

True or False: Tetanus can make breathing difficult.

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Answer:

True   is correct on edg

Explanation:

What is ATP called after it loses its 3rd phosphate group?

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When the terminal (third) phosphate is cut loose, ATP becomes ADP (Adenosine diphosphate; di= two), and the stored energy is released for some biological process to utilize.

easy one - giving brainly if correct.​

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Answer:

ur answer A is correct i think-

Explanation:

Which of the following is NOT a structure of the nervous system?

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Answer:

b. The heart

Explanation:is correct

Which ball-and-socket joint is the most freely moveable joint in the body?

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Answer:

c. Glenohumeral joint

Explanation: is correct (the Shoulder joint)

What makes social animals unique?

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Answer:

In these species, members of the group depend completely on one another. Different animals within the group have different jobs. Therefore, group members must work together for the good of all. Most species of ants and bees are highly social animals.

Explanation:

Why do doctors give fluids when losing blood but not water ?
Help me

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Answer:

In trauma patients, fluid resuscitation helps restore lost blood volume, regain tissue perfusion, and reduce mortality. Water is a different case.

Explanation:

Why is organic fertilizer is better than inorganic fertilizer? Pls pls pls answer I really need it

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Answer:

organic fertilizer can cause less harm to the plant & environment as it isn't toxic (completely natural) as opposing to fertilizers, which is filled with toxic chemicals.

how are respiration and photosynthesis related to one another

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The end product of Photosynthesis is glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
The last answer is correct, if you were wondering

The active ingredient in which of the following drugs mimics a natural neurotransmitter?

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Answer:

b. marijuana is correct

Explanation:

the transport a very large molecules such as proteins​

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Answer:

Very large molecules such as proteins are too big to move through the cell membrane which is said to be impermeable to them. The type of transport proteins present in a cell membrane determines which substances the membrane is permeable to. CO2 molecules pass directly through phospholipids. Glucose molecules travel through the proteins.

Define: Heterogeneous Distribution, Modularity and Nestedness.

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Explanation:

Nestedness is another computational approach that provides a description of groups of webs..

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Answer:

Heterogeneous Distribution, Modularity

Heterogeneity in statistics means that your populations, samples or results are different. It is the opposite of homogeneity, which means that the population/data/results are the same. ... For example, if everyone in your group varied between 4'3″ and 7'6″ tall, they would be heterogeneous for height.

Explanation:

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3. In the context of the article, how are we changed by war? Cite evidence from this text, your own experience, and other literature, art, or history in your answer


please help

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Answer:

She wrote letters and diaries by talking about the war.

thinking about the components in pcr, do you think there are major differences in the process of dna replication between species?

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The major difference in the process of DNA replication between species is the linear order of nucleotides, which can be amplified by PCR. This technique enables the amplification of specific DNA fragments.

The Polymerase chain reaction (PCR) is a technique widely used in molecular biology in order to amplify and thus identify small DNA fragments (approx. 1000 pb).

The PCR uses all materials required to carry out DNA replication: a thermostable DNA polymerase, primers (DNA oligonucleotides), deoxyribonucleotides (ddA, ddG, ddC, or ddT), and template DNA.

The template DNA indicates the linear order of nucleotides that will be added to the amplified DNA fragment, which is highly specific and may vary even between individuals of the same species.

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Why kharif crops cannot grow in rabi seasons?
​

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Answer:

We know that kharif crops such as paddy need more water to grow healthy, which requires in rainy season. But in winter season , which does not requires so much, hence kharif crops cannot grow in this season healthy and properly. Therefore kharif crops cannot be grown in rabi season.

how does water purifier work

Answers

Answer:

idontknow

Explanation:

What does the narrator notice outside the house before he goes in?

a fissure or crack in the wall
a dead bird in a tree
curtains twitching
an alligator in the moat

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A fissure or crack in the wall.. would be the correct answer.

Oceans are being threatened daily by human activities which of the following best describes one way oceans are being impacted?

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plastic - urban run off, wind, littering, rain, floods etc… plastic getting into the ocean can be highly dangerous for many species as it can kill animals such as fish and seahorses. many animals a year die from plastic in there system.

In the diagram of the human digestive system, what organ is labelled 5?

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Answer:

The large intestine

Explanation:

The large intestine is a long, tube-like organ connected to both the small intestine and the anus. In an anatomy drawing, it looks almost as if it is wrapped around the small intestine.

As we can see in the drawing, the organ labelled with 5 is wrapped around another organ which is smaller and looks longer. This smaller organ is the small intestine. Since we know that the large intestine wraps around the small intestine, we can infer that the organ is the large intestine.

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How can using a dam as a source of freshwater also harm wildlife?
A. Dams help control floodwaters.
B. Dams provide drinking water.
C. Dams displace existing habitats.
Ο Ο
D. Dams provide water recreation.

Answers

Answer:

c

Explanation:

because its the only one that would be hurting wild life.

Using a dam as a source of freshwater can harm wildlife by displacing existing habitats. Therefore, option (C) is correct.

What are the negative impacts of dams?

Dams often require the creation of reservoirs, which can submerge large areas of land and alter the natural flow of rivers and streams. This can lead to the loss of important habitats for fish, mammals, and other wildlife that rely on rivers and streams for food, shelter, and reproduction.

In addition, changes in water temperature, dissolved oxygen levels, and water flow can negatively impact aquatic ecosystems downstream from the dam.

These impacts can be mitigated through careful planning and management, such as the creation of fish ladders and other structures to help fish navigate past the dam, and the release of water at appropriate times to mimic natural flow patterns.

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Diffusion and Osmosis, including the words hypertonic, hypotonic, isotonic, and
concentration.

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Answer:

Where is the question!??

please answer thiis lol?

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Answer:

b to a

Explanation:

since cells in membranes move from high to low concentration (diffusion). b has more molecules, so it will go into a.

Why do cells become specialized in the human body?

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Answer:

They can become any type of cell in the body.

Explanation:

They can transport molecules, metabolize nutrients, and reproduce within this one cell. ... Cell differentiation is the process by which cells become specialized in order to perform different functions. Specialized Cells in the Human Body. Multicellular organisms begin as just one single cell—a fertilized egg.

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4 Spheres Observation (Bio, Geo, Atmo, Hydro) : What did you see that represents each? How did they interact with each other? and pls be specific in ur answer, and pls no links!

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Answer:

The spheres interact to effect Earth’s systems and processes, and they are constantly changing each other.

For example, ocean currents (hydrosphere) affect air temperature (atmosphere): The Gulf Stream is a powerful water current in the Atlantic Ocean. It’s warm water moderates the temperatures on the east coast of the USA.

Another example of how the spheres affect each other is through erosion. Erosion happens in the desert when wind (atmosphere) shapes the sand in the geosphere. Water (hydrosphere) can also shape land, such as in the formation of the Grand Canyon.

Humans have a huge impact on all spheres. Negative impacts, such as burning fossil fuels, pollute the atmosphere. Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. And overfishing and habitat destruction can reduce the diversity of living things in the biosphere.

However, people everywhere are working to change things. Recycling efforts are increasing all over the world, and companies are finding new ways to reduce fossil fuels. In the US alone, people are recycling six times more than a generation ago.

what does a target cell require to respond to an extracellular signal molecule?

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A specific protein called a receptor

Human cells have _____ sets of DNA in each cell.


A) 2

B) 4

C) 1

D) 8

Answers

Answer:

See answer below.

Answer is verified.

Explanation:

Human cells have two sets of DNA in each cell.

And a total of 46 chromosomes in each cell.

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Human cells have two sets of DNA in each cell. Thus, the correct option is A.

What is DNA?

DNA stands for Deoxyribonucleic acid. It is considered the genetic material of most organisms. It consists of base pairs like adenine, thymine, guanine, and cytosine.

Human cells have two sets of DNA in each cell, one came from the paternal side while the other came from the maternal side.

Therefore, it is well described above.

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