What type of muscle is found in the heart that has gap junctions to allow electrochemical signals to cause rapid contraction?
A. Rough muscle
B. Smooth muscle
C. Cardiac muscle
D. Skeletal muscle

Answers

Answer 1
D) Cardiac Muscle!


hope this helps :)

Related Questions

reactions of photosynthesis ​

Answers

here is a diagram that should help you out!

What role do urban cities play in affecting albedo

Answers

Answer:

Urbanization has many effects on surface albedo. It reduces it through the introduction of dark surfaces, through changing the surface geometry to better capture solar radiation, and through reducing snow cover in winter. It can also increase it by increasing the cloud cover and by emitting air pollutants and aerosols.

Explain how sulfur mining affects plant life.

Answers

Although the landscape shows a certain ability to persist, underground mining activity has caused some effects such as ground fissures (cracking), disturbance of the vegetation community and damage to strata.

Surface mining destroys all plant life in the area the mine occupies. Plants living in the area where the surface mine is to be located are removed. After the surface mine is no longer productive, plants may eventually return to the area, but typically some human efforts at reclamation are required to restore the environment to some level of productivity.

Please mark brainliest

Is Standing on a diving board a Kinetic energy or potential energy

Answers

Answer:

Explanation:

Potential Energy. This diver is standing at the end of the diving board, ready to dive. After he/she dives and is falling toward the water, they'll have kinetic energy, or the energy of moving matter. But even as they stand motionless high above the water, he/she has energy

True or False
Continental drift is the theory that states that the continents were separate and then slowly drifted together to form single landmass

Answers

that would be true i think

hello help please i’ll mark brainliest!!!

Answers

Answer:

I would say the second one.

Explanation:

I'm sorry if it's wrong

Answer:

the answer is CONSISTING OF BILLIONS OF GALAXIES

Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding ecosystem?
positive
negative
neither positive nor negative
both positive and negative

Answers

Answer:

☁︎both positive and negative. for making ponds for other animals to live in but clearing large amounts of vegetation☁︎

Based on their activities, it can be concluded that Elephants have both positive and negative effects on their environment.

What is a Habitat?

A habitat is refers to a place where a living organism is found.

The activities of an organism affects the habitat of that organism.

What is the impact of Elephants on their habitat?

Elephants shape their environment in many ways, both positive and negative.

They can negatively impact their environment by changing a forest to a grassy field.

They can positively impact their habitats by creating new habitats from existing habitat such as by digging a hole that might become a pond.

Therefore, it can be concluded that  Elephants have both positive and negative effects on their environment.

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The Green River Formation is famous because it:
is the largest fossil deposit in the world
contains the oldest known bat fossil
O has the most recently discovered fossil deposit
O is the best known location for carbonized fossils

Answers

Answer:

is the largest fossil deposit in the world

contains the oldest known bat fossil

Explanation:

Hope it helps ✌️

Would collecting the resources that go into bread have long-term or short-term effects on the environment? Explain your answer.

Answers

Answer:

a short term effect. In their life cycle analysis, the researchers found that a loaf of bread emits about a half-kilo of carbon dioxide. Forty-three percent of bread's greenhouse gas emissions can be attributed to the fertilizers used to grow wheat

It is a short term effect. In their life cycle analysis, it has been observed that a loaf of bread emits about a half-kilo of carbon dioxide.

What's the Environmental Impact of a Loaf of Bread?

The life cycle of a loaf o bread is started from growing, harvesting, and transporting to producing flour, shipping to a bakery, baking loaves and packaging them.

In the life cycle it has been found that per loaf of bread about a half-kilo of carbon dioxide is emitted where nearly 43%  of bread’s greenhouse gas emissions can be  used in the fertilizers for wheat cultivation.

Two-thirds of the emissions come from actual fertilizer production.

we are unaware of the environmental impacts of this products mainly concerned with human health or animal welfare.

It was found that  each loaf production is associated with  global warming as a result more amount of fertilizer applied in order to increase their wheat harvest.

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The mass and______of an object affects the momentum of its motion.
a. destiny
b. shape
c. velocity
d. volume​

Answers

velocity

momentum = mass times velocity

what is
Meiosis and Mitosis

Answers

Answer:

mitosis is part of a cell that splits in 2 to make two new nuclei. Meiosis is the special cell division of sexual reproduction, like sperm and egg cells

Explanation:

yep what the other person said

Which type of neuron stimulates muscles to contract?

A. interneuron
B. sensory neuron
C. motor neuron

Answers

Answer:

Motor neurons stimulate muscles to contract answer:C

how does the surface area to volume ratio affect the rate of diffusion​

Answers

Explanation:

As the ratio gets smaller, it takes longer for items to diffuse.

Explanation:

When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared.

When there is more volume and less surface area, diffusion takes longer and is less effective. This is because there is a greater area that needs to receive the substance being diffused, but less area for that substance to actually enter the cell.

this is actually why cells divide. When they become too large and it takes too long for them to transport materials across the cell, they lose efficiency and divide in half to raise the surface area to volume ratio.

Pls help quick plzzzzzzzz

Answers

1. Flowers must rely on vectors to move pollen. These vectors can include wind, water, birds, insects, butterflies, bats, and other animals that visit flowers. We call animals or insects that transfer pollen from plant to plant “pollinators”.

2. Germination:When a seed falls on the ground, it needs warmth and water in order to germinate; some seeds also need light. Dicots have seed coats that soften with moisture. After being planted in the soil for a few days, the seed absorbs water and swells until the seed coat splits.

Without the discovery of magnetic reversals recorded on the ocean floor, scientists
a
could not confirm the usefulness of sonar

b
could destroy the hypothesis of continental drift

c
could not provide a mechanism for moving continents

d
could explain how the seafloor was being destroyed

Answers

Answer:

Could not obtain evidence for the hot spot hypothesis. Which of course helps scientist know where under water volcanoes might Be. This is helpful in learning more about sea life and the sea floor and what goes on in an ecosystem located under water.

HAHAHA GOTTIE

Explanation:

The phenotype of an organism is its physical characteristics, which result from the organsism's genes.

Answers

What is the question ??

The term "phenotype" refers to the observable physical properties of an organism; these include the organism's appearance, development, and behavior. An organism's phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes.

When an enzyme was added that destroyed carbohydrates from the heat-
killed S strain and added to the live R strain, did transformation occur? (Did
transformation happen without the carbohydrates?)
Yes or No

Answers

The correct anwser is Yes!!!

HELP which one?
Please don’t lie I need help

Answers

Answer:

option B is correct answer of this question

crust ,mantle,core

hope it helps

Answer:

Each layer has its own properties, composition, and characteristics that affects many of the key processes of our planet. They are, in order from the exterior to the interior – the crust, the mantle, the outer core, and the inner core.

Explanation:

Explain your justification for the changes in trait distribution between years 1 and 10. What do you think will happen to the population by year 15?

Answers

Answer:

I need an imago or a graph

Explanation:

I NEED HELPPPP PLZZZZZZZZZ

Answers

Answer:

The second option: Both alleles are expressed

Explanation:

Codominance is when both alleles are expressed.

Both alleles are expressed, just not at the same time.

According to cell theory, which activity is impossible?

Answers

Cells being formed from pure water

Answer:

Liver cells being generated by air

Explanation:

A P E X

TO PLZ HELP!!!!
List five organelles eukaryotes have that prokaryotes do not have.

Answers

mitochondria, ribosomes, Golgi body, endoplasmic reticulum, cell wall, chloroplast,

Answer:

nucleus, mitochondria, golgi apparatus, endoplasmic reticulum and lysosomes

a _____ force is when two forces cancel each other out and do not affect the motion of an object

Answers

Answer:

Friction and gravity are at work in each picture. Explain how each are at work and how they work together. Balanced forces - Two or more opposite forces are balanced forces if their effects cancel each other and do not cause a change in an object's motion.

Explanation:

Balanced forces are equal and opposite forces that act on the same object. That's why they cancel out. Action-reaction forces are equal and opposite forces that act on different objects, so they don't cancel out. In fact, they often result in motion.

a lunar eclipse can occur during a full moon .

Answers

Answer:

coooooooooll

Explanation:

  °   •  .°•    ✯

  °   •  .°•    ✯   ★ *     °      °·                            

  °   •  .°•    ✯   ★ *     °      °·                             .   • ° ★ •  ☄

  °   •  .°•    ✯   ★ *     °      °·                             .   • ° ★ •  ☄▁▂▃▄▅▆▇▇▆▅▄▃▁▂

yess it can that’s why there is more than 1 full moon a year

Your friend makes a claim that the image to the right shows facilitated
diffusion. You are an educated Honors Biology student, and you believe
that he/she is incorrect in their claim. Make a claim as to which type of
cellular transport is represented in the image (1 point)State TWO pieces of
evidence from the image that supports your claim (2 points).*

Answers

Answer:

Facilitated diffusion is a type of passive transport of molecules down the concentration gradient between two sides of a membrane which doesn't require ATP and instead uses a specific transmembrane protein.

Active transport requires instead ATP and it is the process drawn in the figure. Moreover the figure illustrates that molecules are moving against their concentration gradient.

What is the most likely reason that horses and mountain goats have hooves?


They have homologous structures because they have a common ancestor.


They have analogous structures because they have a common ancestor.


These are vestigial structures in both animals because they are not used.


These are similar structures due genetic mutations.





What is the answer to this?

Answers

Answer:

They have homologous structures because they have a common ancestor.

homologous structures because they have a common ancestor is the most likely reason that horses and mountain goats have hooves.

what is homologous structure ?

Homologous structures shoe the same structure, but may have a distinct  function, it indicate a common ancestor.

A homologous structure is an organ or bone seen  common between different animals that demonstrates an anatomical commonality indicating that the animals share a common ancestor.

on the other hand analogous structures where two unrelated species have structures with similar forms or functions due to convergent evolution.

for example of a homologous structure is the wing of a bird and an insect.

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Which of the following biological processes releases oxygen into the
atmosphere?

A. Transpiration
B. Paristalsis
C. Respiration
D. Photosynthesis

Answers

Answer:

D. Photosynthesis.......

The correct answer is D

In the oldest fossils found in Bitter Springs (Cyanobacteria), why can we only find the remains of single celled organisms

Answers

Answer:

Due to presence at early days of the planet.

Explanation:

We only find the remains of single celled organisms in the oldest fossils because the single celled organisms are the organisms that were present in the early days of this planet. These single celled microbes were present about 3.7 billion years ago while on the other hand, the oldest rocks are only a little older i. e. 3.8 billion years so these single celled organisms are considered as oldest fossils on this planet.

Greg Developed and Ear infection. His doctor gave him an antibiotic. The antibiotic killed all the bacteria in his body. What other effect could the antibiotic have

Answers

Antibiotics can have side effects.
When children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendly” germs in the body and cause other problems like diarrhea.

Over-use of antibiotics is a problem.
Antibiotics can help drug-resistant bacteria grow. These bacteria are harder to kill. They can cause illnesses that are harder to cure and more costly to treat. This increases the risk of complications and side effects. The resistant bacteria can also infect other people.

Hope this helps

Some of the antibiotics doctors prescribe to treat an ear infection such as  amoxicillin, cortisporin (neomycin/hydrocortisone) solution or suspension.

What is infection?

The infection is invasion and growth of germs in the body. The germs can be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it.

Antibiotics can have side effects as when children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendlygerms in the body and cause other problems like diarrhea.

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What are the 3 most important parts of a seed

Answers

Embryo, endosperm, and seed coat

Answer:

the 3 primary part of a seed are the embryo, endosperm, and seed coat.

expaination:The embryo is the young multicellular organism before it emerges from the seed.

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